Routing Table Report 04:00 +10GMT Sat 01 Oct, 2005
Analysis Summary
----------------
BGP routing table entries examined: 171014
Prefixes after maximum aggregation: 97564
Unique aggregates announced to Internet: 82650
Total ASes present in the Internet Routing Table: 20600
Origin-only ASes present in the Internet Routing Table: 17917
Origin ASes announcing only one prefix: 8499
Transit ASes present in the Internet Routing Table: 2683
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1427924992
Equivalent to 85 /8s, 28 /16s and 104 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 58.0
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81421
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35620
Total APNIC prefixes after maximum aggregation: 15642
Prefixes being announced from the APNIC address blocks: 33451
Unique aggregates announced from the APNIC address blocks: 16498
APNIC Region origin ASes present in the Internet Routing Table: 2368
APNIC Region origin ASes announcing only one prefix: 695
APNIC Region transit ASes present in the Internet Routing Table: 365
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 201486848
Equivalent to 12 /8s, 2 /16s and 114 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 90868
Total ARIN prefixes after maximum aggregation: 55367
Prefixes being announced from the ARIN address blocks: 70939
Unique aggregates announced from the ARIN address blocks: 26417
ARIN Region origin ASes present in the Internet Routing Table: 10236
ARIN Region origin ASes announcing only one prefix: 3781
ARIN Region transit ASes present in the Internet Routing Table: 952
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 270880512
Equivalent to 16 /8s, 37 /16s and 79 /24s
Percentage of available ARIN address space announced: 67.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33185
Total RIPE prefixes after maximum aggregation: 22519
Prefixes being announced from the RIPE address blocks: 30235
Unique aggregates announced from the RIPE address blocks: 20199
RIPE Region origin ASes present in the Internet Routing Table: 7153
RIPE Region origin ASes announcing only one prefix: 3781
RIPE Region transit ASes present in the Internet Routing Table: 1185
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 218879040
Equivalent to 13 /8s, 11 /16s and 212 /24s
Percentage of available RIPE address space announced: 65.2
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9576
Total LACNIC prefixes after maximum aggregation: 3223
Prefixes being announced from the LACNIC address blocks: 7931
Unique aggregates announced from the LACNIC address blocks: 4623
LACNIC Region origin ASes present in the Internet Routing Table: 637
LACNIC Region origin ASes announcing only one prefix: 199
LACNIC Region transit ASes present in the Internet Routing Table: 121
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22020864
Equivalent to 1 /8s, 80 /16s and 3 /24s
Percentage of available LACNIC address space announced: 32.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1741
Total AfriNIC prefixes after maximum aggregation: 813
Prefixes being announced from the AfriNIC address blocks: 1058
Unique aggregates announced from the AfriNIC address blocks: 805
AfriNIC Region origin ASes present in the Internet Routing Table: 141
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 20
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2734592
Equivalent to 0 /8s, 41 /16s and 186 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 989 6104 206 CHINANET-BACKBONE
9583 797 77 12 Sify Limited
1221 756 1330 519 Telstra Pty Ltd
4755 721 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 611 3927 291 Korea Telecom (KIX)
7545 509 108 71 TPG Internet Pty Ltd
17676 469 6803 99 Softbank BB Corp.
9443 392 87 78 Primus Telecommunications
2907 338 1763 315 SINET Japan
9498 338 164 59 BHARTI BT INTERNET LTD.
17488 335 20 9 Hathway IP Over Cable Interne
9929 330 224 46 China Netcom Corp.
17557 328 23 160 Pakistan Telecom
7474 312 257 215 SingTel Optus Pty Ltd
4802 307 67 159 Wantree Development
17974 296 66 13 PT TELEKOMUNIKASI INDONESIA
18302 295 109 157 SK Global co., Ltd
9837 273 79 174 Powertel Ltd
18101 255 68 18 Reliance Infocom Ltd Internet
703 253 263 206 UUNET - Commercial IP service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1507 6358 985 AT&T WorldNet Services
4323 1178 705 228 Time Warner Telecom
721 1074 21938 309 DLA Systems Automation Center
174 1068 5849 1002 Cogent Communications
701 991 8120 834 UUNET Technologies, Inc.
6197 948 399 483 BellSouth Network Solutions,
2386 921 513 683 AT&T Data Communications Serv
1239 858 2851 603 Sprint
18566 857 240 7 Covad Communications
20115 654 510 327 Charter Communications
209 635 3570 500 Qwest
3356 565 10659 438 Level 3 Communications, LLC
3602 556 131 107 Sprint Canada, Inc.
22773 544 1480 31 Cox Communications, Inc.
3561 538 2409 418 Savvis
6198 474 417 228 BellSouth Network Solutions,
5668 472 115 23 CenturyTel Internet Holdings,
7132 466 4950 398 SBC Internet Services
19262 464 1402 118 Verizon Global Networks
852 437 1092 384 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 609 1993 481 UUNET - Commercial IP service
3301 301 1081 287 TeliaNet Sweden
3320 284 3230 237 Deutsche Telekom AG
8220 267 475 262 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 240 264 219 Romania Data Systems S.A.
9121 231 336 26 TTnet Autonomous System
3246 226 474 219 Song Networks
1257 194 712 172 SWIPnet Swedish IP Network
6746 188 50 163 Dynamic Network Technologies,
5515 185 778 127 Sonera Solution Autonomous Sy
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 168 289 141 BT Ignite European Backbone
8866 162 37 9 Bulgarian Telecommunication C
6830 158 669 33 UPC Distribution Services
3300 155 185 91 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
3215 140 1205 82 France Telecom Transpac
24863 138 37 6 LINKdotNET AS number
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 402 651 172 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 272 85 63 Servicios Alestra S.A de C.V
11664 204 22 24 Keytech SA
6147 190 116 23 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 155 10 5 Telefonica del Sur S.A.
7303 147 70 15 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
19169 132 8 30 Telconet
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
13999 116 52 9 Mega Cable S.A. de C.V.
6503 113 148 74 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 106 13 15 INTERCABLE
5639 103 12 9 Telecommunications Services o
23216 95 23 18 RAMtelecom Telecomunicaciones
7738 84 346 18 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 108 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 84 84 4 Nile Online
2905 79 211 71 The Internetworking Company o
20928 61 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 29 3 19 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1178 950 Time Warner Telecom
18566 857 850 Covad Communications
9583 797 785 Sify Limited
4134 989 783 CHINANET-BACKBONE
721 1074 765 DLA Systems Automation Center
4755 721 655 Videsh Sanchar Nigam Ltd. Aut
22773 544 513 Cox Communications, Inc.
6197 948 465 BellSouth Network Solutions,
3602 556 449 Sprint Canada, Inc.
5668 472 449 CenturyTel Internet Holdings,
7545 509 438 TPG Internet Pty Ltd
17676 469 370 Softbank BB Corp.
19262 464 346 Verizon Global Networks
6467 394 345 E.Spire Communications, Inc.
11492 339 330 Cable One
20115 654 327 Charter Communications
17488 335 326 Hathway IP Over Cable Interne
4766 611 320 Korea Telecom (KIX)
15270 343 315 PaeTec.net -a division of Pae
9443 392 314 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
64900 PRIVATE 200.85.68.0/24 17399 Comsat Venezuela, CO
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp.
65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:80
/13:179 /14:326 /15:634 /16:8528 /17:2810 /18:4718
/19:10813 /20:11858 /21:9909 /22:13264 /23:14212 /24:92663
/25:334 /26:296 /27:190 /28:45 /29:14 /30:60
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 841 857 Covad Communications
6197 775 948 BellSouth Network Solutions,
7018 725 1507 AT&T WorldNet Services
2386 633 921 AT&T Data Communications Serv
9583 622 797 Sify Limited
4323 562 1178 Time Warner Telecom
4766 425 611 Korea Telecom (KIX)
702 385 609 UUNET - Commercial IP service
5668 380 472 CenturyTel Internet Holdings,
1239 366 858 Sprint
7011 366 425 Citizens Utilities
19916 363 369 OLM LLC
6198 347 474 BellSouth Network Solutions,
11492 331 339 Cable One
6517 313 340 Yipes Communications, Inc.
15270 313 343 PaeTec.net -a division of Pae
13609 290 332 Choice One Communications Inc
701 282 991 UUNET Technologies, Inc.
18302 280 295 SK Global co., Ltd
20115 277 654 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1600 13:1 15:10 16:3
17:3 18:3 20:27 24:564 30:3 32:66
38:157 40:54 44:3 47:2 52:4 55:1
56:3 57:23 58:157 59:67 60:140 61:766
62:764 63:1885 64:2881 65:2079 66:2955 67:634
68:655 69:1232 70:198 71:26 72:392 80:627
81:560 82:473 83:308 84:256 85:336 86:123
87:23 125:9 128:150 129:167 130:96 131:295
132:36 133:1 134:146 135:43 136:151 137:66
138:163 139:63 140:459 141:137 142:148 143:141
144:210 145:34 146:295 147:112 148:303 149:185
150:108 151:73 152:113 153:93 154:5 155:137
156:80 157:111 158:166 159:171 160:86 161:75
162:235 163:131 164:191 165:183 166:152 167:251
168:442 169:143 170:309 171:8 190:1 192:5713
193:3311 194:2410 195:1556 196:673 198:3868 199:3241
200:4171 201:343 202:6106 203:6434 204:3814 205:2041
206:2448 207:2836 208:2040 209:3396 210:1669 211:814
212:1200 213:1376 214:307 215:39 216:3695 217:1135
218:220 219:132 220:493 221:287 222:128
End of report
Routing Table Report 04:00 +10GMT Fri 30 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 171037
Prefixes after maximum aggregation: 97566
Unique aggregates announced to Internet: 82550
Total ASes present in the Internet Routing Table: 20611
Origin-only ASes present in the Internet Routing Table: 17919
Origin ASes announcing only one prefix: 8510
Transit ASes present in the Internet Routing Table: 2692
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1427106816
Equivalent to 85 /8s, 15 /16s and 236 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 58.0
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81428
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35594
Total APNIC prefixes after maximum aggregation: 15664
Prefixes being announced from the APNIC address blocks: 33439
Unique aggregates announced from the APNIC address blocks: 16485
APNIC Region origin ASes present in the Internet Routing Table: 2373
APNIC Region origin ASes announcing only one prefix: 700
APNIC Region transit ASes present in the Internet Routing Table: 363
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 200552448
Equivalent to 11 /8s, 244 /16s and 48 /24s
Percentage of available APNIC address space announced: 74.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 90926
Total ARIN prefixes after maximum aggregation: 55342
Prefixes being announced from the ARIN address blocks: 70997
Unique aggregates announced from the ARIN address blocks: 26320
ARIN Region origin ASes present in the Internet Routing Table: 10240
ARIN Region origin ASes announcing only one prefix: 3783
ARIN Region transit ASes present in the Internet Routing Table: 958
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 270737152
Equivalent to 16 /8s, 35 /16s and 31 /24s
Percentage of available ARIN address space announced: 67.2
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33150
Total RIPE prefixes after maximum aggregation: 22528
Prefixes being announced from the RIPE address blocks: 30194
Unique aggregates announced from the RIPE address blocks: 20178
RIPE Region origin ASes present in the Internet Routing Table: 7155
RIPE Region origin ASes announcing only one prefix: 3784
RIPE Region transit ASes present in the Internet Routing Table: 1191
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 218822976
Equivalent to 13 /8s, 10 /16s and 249 /24s
Percentage of available RIPE address space announced: 65.2
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9606
Total LACNIC prefixes after maximum aggregation: 3217
Prefixes being announced from the LACNIC address blocks: 7947
Unique aggregates announced from the LACNIC address blocks: 4636
LACNIC Region origin ASes present in the Internet Routing Table: 638
LACNIC Region origin ASes announcing only one prefix: 200
LACNIC Region transit ASes present in the Internet Routing Table: 122
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22060544
Equivalent to 1 /8s, 80 /16s and 158 /24s
Percentage of available LACNIC address space announced: 32.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1738
Total AfriNIC prefixes after maximum aggregation: 815
Prefixes being announced from the AfriNIC address blocks: 1057
Unique aggregates announced from the AfriNIC address blocks: 804
AfriNIC Region origin ASes present in the Internet Routing Table: 141
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 20
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 2734336
Equivalent to 0 /8s, 41 /16s and 185 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 987 6103 205 CHINANET-BACKBONE
9583 796 77 12 Sify Limited
1221 755 1330 519 Telstra Pty Ltd
4755 722 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 609 3927 289 Korea Telecom (KIX)
7545 509 108 72 TPG Internet Pty Ltd
17676 469 6803 99 Softbank BB Corp.
9443 392 87 78 Primus Telecommunications
9498 338 148 59 BHARTI BT INTERNET LTD.
2907 336 1757 313 SINET Japan
17488 335 20 9 Hathway IP Over Cable Interne
9929 330 224 46 China Netcom Corp.
17557 327 23 160 Pakistan Telecom
7474 312 257 215 SingTel Optus Pty Ltd
17974 301 82 14 PT TELEKOMUNIKASI INDONESIA
4802 299 66 158 Wantree Development
18302 293 109 160 SK Global co., Ltd
9837 273 79 174 Powertel Ltd
18101 254 68 18 Reliance Infocom Ltd Internet
703 253 263 206 UUNET - Commercial IP service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1507 6360 986 AT&T WorldNet Services
4323 1178 705 228 Time Warner Telecom
721 1073 21922 308 DLA Systems Automation Center
174 1070 5850 1003 Cogent Communications
701 992 8120 835 UUNET Technologies, Inc.
6197 948 399 483 BellSouth Network Solutions,
2386 921 513 683 AT&T Data Communications Serv
1239 861 2851 605 Sprint
18566 857 240 7 Covad Communications
20115 648 506 326 Charter Communications
209 633 3585 498 Qwest
3356 570 10659 441 Level 3 Communications, LLC
3602 555 131 107 Sprint Canada, Inc.
22773 542 1352 30 Cox Communications, Inc.
3561 538 2409 418 Savvis
5668 490 115 23 CenturyTel Internet Holdings,
6198 474 417 228 BellSouth Network Solutions,
7132 466 4950 398 SBC Internet Services
19262 464 1402 118 Verizon Global Networks
852 437 1092 384 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 609 1993 481 UUNET - Commercial IP service
3301 301 1081 287 TeliaNet Sweden
3320 285 3230 238 Deutsche Telekom AG
8220 267 475 262 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 239 262 218 Romania Data Systems S.A.
9121 230 336 26 TTnet Autonomous System
3246 227 476 220 Song Networks
1257 194 712 172 SWIPnet Swedish IP Network
6746 186 50 161 Dynamic Network Technologies,
5515 185 778 127 Sonera Solution Autonomous Sy
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 169 289 142 BT Ignite European Backbone
8866 163 37 9 Bulgarian Telecommunication C
6830 158 669 33 UPC Distribution Services
3300 156 185 91 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
3215 140 1205 82 France Telecom Transpac
24863 138 37 6 LINKdotNET AS number
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 401 650 171 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 272 85 63 Servicios Alestra S.A de C.V
11664 204 22 24 Keytech SA
6147 190 116 23 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 155 10 5 Telefonica del Sur S.A.
7303 147 70 15 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
19169 132 8 30 Telconet
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
13999 116 52 9 Mega Cable S.A. de C.V.
6503 113 148 74 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 99 8 10 Sinectis S.A.
23216 95 23 18 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 108 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 84 84 4 Nile Online
2905 79 211 71 The Internetworking Company o
20928 61 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 29 3 19 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
21280 20 4 4 Swift Global Kenya Ltd.Is an
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1178 950 Time Warner Telecom
18566 857 850 Covad Communications
9583 796 784 Sify Limited
4134 987 782 CHINANET-BACKBONE
721 1073 765 DLA Systems Automation Center
4755 722 656 Videsh Sanchar Nigam Ltd. Aut
22773 542 512 Cox Communications, Inc.
5668 490 467 CenturyTel Internet Holdings,
6197 948 465 BellSouth Network Solutions,
3602 555 448 Sprint Canada, Inc.
7545 509 437 TPG Internet Pty Ltd
17676 469 370 Softbank BB Corp.
19262 464 346 Verizon Global Networks
6467 393 344 E.Spire Communications, Inc.
11492 339 330 Cable One
17488 335 326 Hathway IP Over Cable Interne
20115 648 322 Charter Communications
4766 609 320 Korea Telecom (KIX)
15270 343 315 PaeTec.net -a division of Pae
9443 392 314 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp.
65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:80
/13:178 /14:326 /15:631 /16:8530 /17:2812 /18:4713
/19:10802 /20:11853 /21:9909 /22:13285 /23:14201 /24:92703
/25:330 /26:295 /27:188 /28:45 /29:14 /30:61
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 841 857 Covad Communications
6197 775 948 BellSouth Network Solutions,
7018 725 1507 AT&T WorldNet Services
2386 633 921 AT&T Data Communications Serv
9583 621 796 Sify Limited
4323 562 1178 Time Warner Telecom
4766 425 609 Korea Telecom (KIX)
5668 398 490 CenturyTel Internet Holdings,
702 385 609 UUNET - Commercial IP service
1239 367 861 Sprint
7011 364 423 Citizens Utilities
19916 363 369 OLM LLC
6198 347 474 BellSouth Network Solutions,
11492 331 339 Cable One
6517 313 340 Yipes Communications, Inc.
15270 313 343 PaeTec.net -a division of Pae
13609 290 332 Choice One Communications Inc
701 284 992 UUNET Technologies, Inc.
18302 278 293 SK Global co., Ltd
20115 275 648 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1597 13:1 15:10 16:2
17:3 18:3 20:27 24:563 30:3 32:66
38:156 40:54 44:3 47:2 52:4 55:1
56:3 57:23 58:157 59:69 60:140 61:766
62:763 63:1884 64:2884 65:2077 66:2968 67:634
68:652 69:1232 70:197 71:26 72:392 80:626
81:544 82:472 83:305 84:255 85:335 86:123
87:20 125:9 128:151 129:167 130:96 131:295
132:36 133:1 134:146 135:43 136:151 137:66
138:163 139:63 140:454 141:137 142:150 143:141
144:212 145:34 146:299 147:112 148:303 149:184
150:108 151:72 152:113 153:93 154:5 155:137
156:80 157:111 158:164 159:170 160:85 161:75
162:235 163:133 164:191 165:188 166:152 167:251
168:442 169:143 170:309 171:8 190:1 192:5713
193:3312 194:2410 195:1554 196:672 198:3879 199:3236
200:4195 201:342 202:6106 203:6429 204:3809 205:2046
206:2448 207:2834 208:2041 209:3406 210:1663 211:812
212:1205 213:1374 214:303 215:42 216:3725 217:1137
218:220 219:132 220:493 221:286 222:129
End of report
Routing Table Report 04:00 +10GMT Thu 29 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 170834
Prefixes after maximum aggregation: 97528
Unique aggregates announced to Internet: 82457
Total ASes present in the Internet Routing Table: 20605
Origin-only ASes present in the Internet Routing Table: 17918
Origin ASes announcing only one prefix: 8500
Transit ASes present in the Internet Routing Table: 2687
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1426384640
Equivalent to 85 /8s, 4 /16s and 231 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81271
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35614
Total APNIC prefixes after maximum aggregation: 15663
Prefixes being announced from the APNIC address blocks: 33451
Unique aggregates announced from the APNIC address blocks: 16490
APNIC Region origin ASes present in the Internet Routing Table: 2372
APNIC Region origin ASes announcing only one prefix: 698
APNIC Region transit ASes present in the Internet Routing Table: 366
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 200513024
Equivalent to 11 /8s, 243 /16s and 150 /24s
Percentage of available APNIC address space announced: 74.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 90809
Total ARIN prefixes after maximum aggregation: 55321
Prefixes being announced from the ARIN address blocks: 70877
Unique aggregates announced from the ARIN address blocks: 26241
ARIN Region origin ASes present in the Internet Routing Table: 10240
ARIN Region origin ASes announcing only one prefix: 3781
ARIN Region transit ASes present in the Internet Routing Table: 950
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 270220288
Equivalent to 16 /8s, 27 /16s and 60 /24s
Percentage of available ARIN address space announced: 67.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33101
Total RIPE prefixes after maximum aggregation: 22513
Prefixes being announced from the RIPE address blocks: 30147
Unique aggregates announced from the RIPE address blocks: 20160
RIPE Region origin ASes present in the Internet Routing Table: 7151
RIPE Region origin ASes announcing only one prefix: 3780
RIPE Region transit ASes present in the Internet Routing Table: 1192
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 218737728
Equivalent to 13 /8s, 9 /16s and 172 /24s
Percentage of available RIPE address space announced: 65.2
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9552
Total LACNIC prefixes after maximum aggregation: 3218
Prefixes being announced from the LACNIC address blocks: 7890
Unique aggregates announced from the LACNIC address blocks: 4609
LACNIC Region origin ASes present in the Internet Routing Table: 638
LACNIC Region origin ASes announcing only one prefix: 199
LACNIC Region transit ASes present in the Internet Routing Table: 122
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22075136
Equivalent to 1 /8s, 80 /16s and 215 /24s
Percentage of available LACNIC address space announced: 32.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1736
Total AfriNIC prefixes after maximum aggregation: 813
Prefixes being announced from the AfriNIC address blocks: 1056
Unique aggregates announced from the AfriNIC address blocks: 805
AfriNIC Region origin ASes present in the Internet Routing Table: 139
AfriNIC Region origin ASes announcing only one prefix: 42
AfriNIC Region transit ASes present in the Internet Routing Table: 19
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2734592
Equivalent to 0 /8s, 41 /16s and 186 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 987 6103 205 CHINANET-BACKBONE
9583 798 77 12 Sify Limited
1221 752 1330 517 Telstra Pty Ltd
4755 722 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 611 3927 289 Korea Telecom (KIX)
7545 493 108 70 TPG Internet Pty Ltd
17676 469 6803 99 Softbank BB Corp.
9443 389 85 78 Primus Telecommunications
2907 336 1757 313 SINET Japan
9498 336 148 59 BHARTI BT INTERNET LTD.
17488 336 20 9 Hathway IP Over Cable Interne
9929 330 224 46 China Netcom Corp.
17557 328 23 158 Pakistan Telecom
7474 312 257 215 SingTel Optus Pty Ltd
17974 299 66 13 PT TELEKOMUNIKASI INDONESIA
18302 294 109 156 SK Global co., Ltd
4802 291 66 155 Wantree Development
9837 273 79 174 Powertel Ltd
703 254 263 207 UUNET - Commercial IP service
9800 253 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1498 6344 982 AT&T WorldNet Services
4323 1176 705 228 Time Warner Telecom
721 1090 21922 308 DLA Systems Automation Center
174 1070 5850 1003 Cogent Communications
701 993 8121 836 UUNET Technologies, Inc.
6197 947 399 486 BellSouth Network Solutions,
2386 923 513 685 AT&T Data Communications Serv
1239 861 2851 605 Sprint
18566 855 240 7 Covad Communications
20115 653 510 327 Charter Communications
209 632 3585 497 Qwest
3356 573 10658 443 Level 3 Communications, LLC
3602 553 131 107 Sprint Canada, Inc.
22773 541 1352 30 Cox Communications, Inc.
3561 538 2409 418 Savvis
5668 490 115 23 CenturyTel Internet Holdings,
6198 474 417 228 BellSouth Network Solutions,
7132 463 4949 395 SBC Internet Services
19262 463 1400 119 Verizon Global Networks
852 437 1092 384 Telus Advanced Communications
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 609 1995 481 UUNET - Commercial IP service
3301 301 1081 287 TeliaNet Sweden
3320 287 3230 238 Deutsche Telekom AG
8220 267 475 262 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 239 262 218 Romania Data Systems S.A.
3246 229 476 222 Song Networks
9121 229 336 26 TTnet Autonomous System
1257 194 712 172 SWIPnet Swedish IP Network
6746 186 50 161 Dynamic Network Technologies,
5515 185 778 127 Sonera Solution Autonomous Sy
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 168 289 141 BT Ignite European Backbone
8866 164 37 9 Bulgarian Telecommunication C
6830 158 669 33 UPC Distribution Services
3300 156 185 91 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
3215 138 1189 80 France Telecom Transpac
24863 138 37 6 LINKdotNET AS number
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 400 649 170 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 249 83 61 Servicios Alestra S.A de C.V
11664 204 22 24 Keytech SA
6147 190 116 23 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 168 128 7 VTR PUNTO NET S.A.
14117 157 10 5 Telefonica del Sur S.A.
7303 146 69 15 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
19169 121 8 25 Telconet
13999 115 52 9 Mega Cable S.A. de C.V.
6503 113 148 74 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 95 23 18 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 108 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 84 84 4 Nile Online
2905 79 211 71 The Internetworking Company o
20928 61 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 29 3 19 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1176 948 Time Warner Telecom
18566 855 848 Covad Communications
9583 798 786 Sify Limited
721 1090 782 DLA Systems Automation Center
4134 987 782 CHINANET-BACKBONE
4755 722 656 Videsh Sanchar Nigam Ltd. Aut
22773 541 511 Cox Communications, Inc.
5668 490 467 CenturyTel Internet Holdings,
6197 947 461 BellSouth Network Solutions,
3602 553 446 Sprint Canada, Inc.
7545 493 423 TPG Internet Pty Ltd
17676 469 370 Softbank BB Corp.
19262 463 344 Verizon Global Networks
6467 392 343 E.Spire Communications, Inc.
11492 339 330 Cable One
17488 336 327 Hathway IP Over Cable Interne
20115 653 326 Charter Communications
4766 611 322 Korea Telecom (KIX)
15270 343 315 PaeTec.net -a division of Pae
9443 389 311 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:80
/13:177 /14:326 /15:631 /16:8524 /17:2814 /18:4714
/19:10804 /20:11861 /21:9890 /22:13276 /23:14187 /24:92532
/25:333 /26:298 /27:188 /28:44 /29:13 /30:61
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 839 855 Covad Communications
6197 774 947 BellSouth Network Solutions,
7018 716 1498 AT&T WorldNet Services
2386 634 923 AT&T Data Communications Serv
9583 623 798 Sify Limited
4323 561 1176 Time Warner Telecom
4766 427 611 Korea Telecom (KIX)
5668 398 490 CenturyTel Internet Holdings,
702 384 609 UUNET - Commercial IP service
1239 367 861 Sprint
7011 364 422 Citizens Utilities
19916 363 369 OLM LLC
6198 347 474 BellSouth Network Solutions,
11492 331 339 Cable One
15270 313 343 PaeTec.net -a division of Pae
6517 312 338 Yipes Communications, Inc.
13609 290 332 Choice One Communications Inc
701 285 993 UUNET Technologies, Inc.
18302 279 294 SK Global co., Ltd
20115 276 653 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1593 13:1 15:10 16:2
17:3 18:3 20:27 24:562 30:3 32:65
38:156 40:54 44:3 47:2 52:4 55:1
56:3 57:23 58:157 59:69 60:140 61:759
62:763 63:1888 64:2872 65:2076 66:2938 67:632
68:626 69:1236 70:195 71:18 72:392 80:628
81:546 82:475 83:308 84:253 85:332 86:122
87:19 125:9 128:153 129:167 130:96 131:296
132:36 133:1 134:145 135:43 136:151 137:66
138:164 139:63 140:430 141:137 142:150 143:141
144:218 145:34 146:298 147:112 148:304 149:184
150:109 151:72 152:113 153:93 154:5 155:140
156:80 157:112 158:164 159:171 160:85 161:75
162:235 163:133 164:191 165:188 166:152 167:251
168:441 169:142 170:316 171:8 190:1 192:5715
193:3312 194:2410 195:1554 196:672 198:3877 199:3240
200:4163 201:332 202:6099 203:6440 204:3812 205:2055
206:2443 207:2808 208:2034 209:3396 210:1664 211:816
212:1186 213:1365 214:303 215:42 216:3733 217:1136
218:221 219:134 220:493 221:285 222:129
End of report
Routing Table Report 04:00 +10GMT Wed 28 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 171186
Prefixes after maximum aggregation: 97481
Unique aggregates announced to Internet: 82440
Total ASes present in the Internet Routing Table: 20594
Origin-only ASes present in the Internet Routing Table: 17911
Origin ASes announcing only one prefix: 8486
Transit ASes present in the Internet Routing Table: 2683
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1426192000
Equivalent to 85 /8s, 1 /16s and 246 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81658
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35586
Total APNIC prefixes after maximum aggregation: 15651
Prefixes being announced from the APNIC address blocks: 33423
Unique aggregates announced from the APNIC address blocks: 16487
APNIC Region origin ASes present in the Internet Routing Table: 2373
APNIC Region origin ASes announcing only one prefix: 696
APNIC Region transit ASes present in the Internet Routing Table: 367
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 200359680
Equivalent to 11 /8s, 241 /16s and 63 /24s
Percentage of available APNIC address space announced: 74.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 91270
Total ARIN prefixes after maximum aggregation: 55306
Prefixes being announced from the ARIN address blocks: 71352
Unique aggregates announced from the ARIN address blocks: 26305
ARIN Region origin ASes present in the Internet Routing Table: 10234
ARIN Region origin ASes announcing only one prefix: 3777
ARIN Region transit ASes present in the Internet Routing Table: 950
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 270162944
Equivalent to 16 /8s, 26 /16s and 92 /24s
Percentage of available ARIN address space announced: 67.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33003
Total RIPE prefixes after maximum aggregation: 22494
Prefixes being announced from the RIPE address blocks: 30054
Unique aggregates announced from the RIPE address blocks: 20103
RIPE Region origin ASes present in the Internet Routing Table: 7143
RIPE Region origin ASes announcing only one prefix: 3772
RIPE Region transit ASes present in the Internet Routing Table: 1188
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 218689216
Equivalent to 13 /8s, 8 /16s and 238 /24s
Percentage of available RIPE address space announced: 65.2
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9559
Total LACNIC prefixes after maximum aggregation: 3213
Prefixes being announced from the LACNIC address blocks: 7897
Unique aggregates announced from the LACNIC address blocks: 4605
LACNIC Region origin ASes present in the Internet Routing Table: 637
LACNIC Region origin ASes announcing only one prefix: 198
LACNIC Region transit ASes present in the Internet Routing Table: 122
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22093824
Equivalent to 1 /8s, 81 /16s and 32 /24s
Percentage of available LACNIC address space announced: 32.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1745
Total AfriNIC prefixes after maximum aggregation: 817
Prefixes being announced from the AfriNIC address blocks: 1065
Unique aggregates announced from the AfriNIC address blocks: 805
AfriNIC Region origin ASes present in the Internet Routing Table: 141
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 20
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2734592
Equivalent to 0 /8s, 41 /16s and 186 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 984 6080 203 CHINANET-BACKBONE
9583 796 77 12 Sify Limited
1221 751 1330 517 Telstra Pty Ltd
4755 722 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 611 3927 289 Korea Telecom (KIX)
7545 510 108 72 TPG Internet Pty Ltd
17676 469 6803 99 Softbank BB Corp.
9443 386 84 77 Primus Telecommunications
2907 336 1757 313 SINET Japan
17488 336 20 9 Hathway IP Over Cable Interne
9498 333 146 57 BHARTI BT INTERNET LTD.
9929 330 224 46 China Netcom Corp.
17557 328 23 158 Pakistan Telecom
7474 312 257 215 SingTel Optus Pty Ltd
17974 300 66 13 PT TELEKOMUNIKASI INDONESIA
18302 293 109 155 SK Global co., Ltd
4802 289 66 155 Wantree Development
9837 273 79 174 Powertel Ltd
703 254 263 207 UUNET - Commercial IP service
9800 253 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1500 6344 982 AT&T WorldNet Services
4323 1175 705 228 Time Warner Telecom
721 1089 21922 308 DLA Systems Automation Center
174 1073 5850 1005 Cogent Communications
701 990 8120 833 UUNET Technologies, Inc.
6197 946 399 481 BellSouth Network Solutions,
2386 921 513 683 AT&T Data Communications Serv
1239 862 2851 606 Sprint
18566 854 240 7 Covad Communications
20115 652 509 327 Charter Communications
209 632 3585 497 Qwest
3356 576 10659 443 Level 3 Communications, LLC
3602 559 132 112 Sprint Canada, Inc.
27364 558 44 18 Armstrong Cable Services
22773 543 1352 29 Cox Communications, Inc.
3561 538 2409 418 Savvis
5668 490 115 23 CenturyTel Internet Holdings,
6198 473 417 228 BellSouth Network Solutions,
7132 466 4950 398 SBC Internet Services
19262 463 1400 119 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 609 1995 481 UUNET - Commercial IP service
3301 294 1080 280 TeliaNet Sweden
3320 287 3230 238 Deutsche Telekom AG
8220 269 475 264 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 238 262 217 Romania Data Systems S.A.
3246 229 476 222 Song Networks
9121 228 336 26 TTnet Autonomous System
1257 195 712 173 SWIPnet Swedish IP Network
6746 186 50 161 Dynamic Network Technologies,
5515 185 778 127 Sonera Solution Autonomous Sy
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 169 289 142 BT Ignite European Backbone
8866 165 37 9 Bulgarian Telecommunication C
6830 158 669 33 UPC Distribution Services
3300 156 185 91 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
3215 138 1189 80 France Telecom Transpac
24863 138 37 6 LINKdotNET AS number
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 400 650 170 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 249 83 61 Servicios Alestra S.A de C.V
11664 204 22 24 Keytech SA
6147 191 118 21 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 156 10 5 Telefonica del Sur S.A.
7303 148 70 13 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
19169 121 8 25 Telconet
13999 118 52 9 Mega Cable S.A. de C.V.
6503 113 148 74 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 95 23 18 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 108 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 84 84 4 Nile Online
2905 79 211 71 The Internetworking Company o
20928 61 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 4 20 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15808 17 2 2 Communication Solutions Ltd i
21280 17 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1175 947 Time Warner Telecom
18566 854 847 Covad Communications
9583 796 784 Sify Limited
721 1089 781 DLA Systems Automation Center
4134 984 781 CHINANET-BACKBONE
4755 722 656 Videsh Sanchar Nigam Ltd. Aut
27364 558 540 Armstrong Cable Services
22773 543 514 Cox Communications, Inc.
5668 490 467 CenturyTel Internet Holdings,
6197 946 465 BellSouth Network Solutions,
3602 559 447 Sprint Canada, Inc.
7545 510 438 TPG Internet Pty Ltd
17676 469 370 Softbank BB Corp.
19262 463 344 Verizon Global Networks
6467 393 344 E.Spire Communications, Inc.
11492 338 330 Cable One
17488 336 327 Hathway IP Over Cable Interne
20115 652 325 Charter Communications
4766 611 322 Korea Telecom (KIX)
15270 343 315 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:81
/13:177 /14:322 /15:631 /16:8522 /17:2808 /18:4712
/19:10803 /20:11857 /21:9897 /22:13270 /23:14185 /24:92902
/25:332 /26:296 /27:191 /28:45 /29:14 /30:60
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 838 854 Covad Communications
6197 773 946 BellSouth Network Solutions,
7018 717 1500 AT&T WorldNet Services
2386 632 921 AT&T Data Communications Serv
9583 621 796 Sify Limited
4323 561 1175 Time Warner Telecom
27364 549 558 Armstrong Cable Services
4766 427 611 Korea Telecom (KIX)
5668 398 490 CenturyTel Internet Holdings,
702 384 609 UUNET - Commercial IP service
1239 367 862 Sprint
7011 364 422 Citizens Utilities
19916 363 369 OLM LLC
6198 346 473 BellSouth Network Solutions,
11492 330 338 Cable One
15270 313 343 PaeTec.net -a division of Pae
6517 312 338 Yipes Communications, Inc.
701 284 990 UUNET Technologies, Inc.
18302 278 293 SK Global co., Ltd
20115 276 652 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1596 13:1 15:10 16:2
17:3 18:3 20:27 24:1084 30:3 32:65
38:157 40:54 44:3 47:2 52:4 55:1
56:3 57:23 58:157 59:69 60:140 61:760
62:760 63:1889 64:2868 65:2073 66:2930 67:632
68:624 69:1226 70:192 71:18 72:390 80:628
81:545 82:442 83:308 84:250 85:327 86:120
87:17 125:9 128:152 129:167 130:96 131:296
132:36 133:1 134:145 135:43 136:150 137:66
138:164 139:62 140:430 141:137 142:150 143:141
144:218 145:34 146:298 147:112 148:303 149:184
150:109 151:72 152:113 153:93 154:5 155:140
156:80 157:112 158:164 159:171 160:85 161:75
162:233 163:133 164:191 165:188 166:152 167:251
168:439 169:142 170:315 171:8 190:1 192:5710
193:3308 194:2416 195:1557 196:681 198:3872 199:3235
200:4165 201:333 202:6098 203:6426 204:3812 205:2044
206:2450 207:2807 208:2039 209:3397 210:1664 211:812
212:1189 213:1332 214:301 215:39 216:3722 217:1133
218:221 219:134 220:492 221:283 222:129
End of report
Routing Table Report 04:00 +10GMT Tue 27 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 171132
Prefixes after maximum aggregation: 97450
Unique aggregates announced to Internet: 82461
Total ASes present in the Internet Routing Table: 20579
Origin-only ASes present in the Internet Routing Table: 17889
Origin ASes announcing only one prefix: 8479
Transit ASes present in the Internet Routing Table: 2690
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 36
Prefixes from unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1425771136
Equivalent to 84 /8s, 251 /16s and 138 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81693
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35484
Total APNIC prefixes after maximum aggregation: 15608
Prefixes being announced from the APNIC address blocks: 33328
Unique aggregates announced from the APNIC address blocks: 16463
APNIC Region origin ASes present in the Internet Routing Table: 2371
APNIC Region origin ASes announcing only one prefix: 696
APNIC Region transit ASes present in the Internet Routing Table: 363
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 200259328
Equivalent to 11 /8s, 239 /16s and 183 /24s
Percentage of available APNIC address space announced: 74.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 91243
Total ARIN prefixes after maximum aggregation: 55334
Prefixes being announced from the ARIN address blocks: 71314
Unique aggregates announced from the ARIN address blocks: 26301
ARIN Region origin ASes present in the Internet Routing Table: 10234
ARIN Region origin ASes announcing only one prefix: 3777
ARIN Region transit ASes present in the Internet Routing Table: 953
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 270038272
Equivalent to 16 /8s, 24 /16s and 117 /24s
Percentage of available ARIN address space announced: 67.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33068
Total RIPE prefixes after maximum aggregation: 22480
Prefixes being announced from the RIPE address blocks: 30130
Unique aggregates announced from the RIPE address blocks: 20164
RIPE Region origin ASes present in the Internet Routing Table: 7131
RIPE Region origin ASes announcing only one prefix: 3767
RIPE Region transit ASes present in the Internet Routing Table: 1194
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 36
Number of RIPE addresses announced to Internet: 218673856
Equivalent to 13 /8s, 8 /16s and 178 /24s
Percentage of available RIPE address space announced: 65.2
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9564
Total LACNIC prefixes after maximum aggregation: 3211
Prefixes being announced from the LACNIC address blocks: 7910
Unique aggregates announced from the LACNIC address blocks: 4605
LACNIC Region origin ASes present in the Internet Routing Table: 637
LACNIC Region origin ASes announcing only one prefix: 196
LACNIC Region transit ASes present in the Internet Routing Table: 124
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22085120
Equivalent to 1 /8s, 80 /16s and 254 /24s
Percentage of available LACNIC address space announced: 32.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1751
Total AfriNIC prefixes after maximum aggregation: 817
Prefixes being announced from the AfriNIC address blocks: 1057
Unique aggregates announced from the AfriNIC address blocks: 796
AfriNIC Region origin ASes present in the Internet Routing Table: 141
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 19
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2732288
Equivalent to 0 /8s, 41 /16s and 177 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 984 6080 203 CHINANET-BACKBONE
9583 794 77 12 Sify Limited
1221 750 1328 517 Telstra Pty Ltd
4755 721 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 611 3927 289 Korea Telecom (KIX)
7545 512 108 72 TPG Internet Pty Ltd
17676 468 6787 101 Softbank BB Corp.
9443 386 84 77 Primus Telecommunications
2907 336 1757 313 SINET Japan
9498 336 147 58 BHARTI BT INTERNET LTD.
17488 336 20 9 Hathway IP Over Cable Interne
9929 330 224 46 China Netcom Corp.
17557 328 23 158 Pakistan Telecom
7474 313 257 216 SingTel Optus Pty Ltd
17974 300 66 13 PT TELEKOMUNIKASI INDONESIA
18302 293 109 155 SK Global co., Ltd
4802 286 65 155 Wantree Development
9837 273 79 174 Powertel Ltd
703 255 263 208 UUNET - Commercial IP service
9800 253 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1502 6360 984 AT&T WorldNet Services
4323 1175 705 228 Time Warner Telecom
721 1091 21922 308 DLA Systems Automation Center
174 1069 5850 1001 Cogent Communications
701 993 8121 836 UUNET Technologies, Inc.
6197 946 399 481 BellSouth Network Solutions,
2386 921 513 683 AT&T Data Communications Serv
1239 862 2851 606 Sprint
18566 854 240 7 Covad Communications
20115 650 508 330 Charter Communications
209 630 3585 498 Qwest
3356 576 10659 443 Level 3 Communications, LLC
3602 558 132 111 Sprint Canada, Inc.
27364 558 44 18 Armstrong Cable Services
22773 542 1352 29 Cox Communications, Inc.
3561 539 2409 419 Savvis
5668 490 115 23 CenturyTel Internet Holdings,
6198 473 417 228 BellSouth Network Solutions,
7132 466 4950 398 SBC Internet Services
19262 462 1399 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 609 1995 481 UUNET - Commercial IP service
3301 300 1081 286 TeliaNet Sweden
3320 288 3230 239 Deutsche Telekom AG
8220 269 475 264 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 238 262 217 Romania Data Systems S.A.
3246 228 476 221 Song Networks
9121 227 336 25 TTnet Autonomous System
1257 195 712 173 SWIPnet Swedish IP Network
5515 185 778 127 Sonera Solution Autonomous Sy
6746 185 50 161 Dynamic Network Technologies,
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 169 289 142 BT Ignite European Backbone
8866 165 37 9 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 155 169 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
3215 138 1189 80 France Telecom Transpac
24863 138 37 6 LINKdotNET AS number
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 399 650 169 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 249 83 61 Servicios Alestra S.A de C.V
11664 204 22 24 Keytech SA
6147 191 118 21 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 156 10 5 Telefonica del Sur S.A.
7303 148 70 13 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
19169 121 8 25 Telconet
13999 118 52 9 Mega Cable S.A. de C.V.
6503 113 148 74 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 95 23 18 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 107 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 84 84 4 Nile Online
2905 79 211 71 The Internetworking Company o
20928 61 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 37 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 4 20 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
23889 20 5 9 MAURITIUS TELECOM
21491 18 17 2 UTL On-line is RF broadband I
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1175 947 Time Warner Telecom
18566 854 847 Covad Communications
721 1091 783 DLA Systems Automation Center
9583 794 782 Sify Limited
4134 984 781 CHINANET-BACKBONE
4755 721 655 Videsh Sanchar Nigam Ltd. Aut
27364 558 540 Armstrong Cable Services
22773 542 513 Cox Communications, Inc.
5668 490 467 CenturyTel Internet Holdings,
6197 946 465 BellSouth Network Solutions,
3602 558 447 Sprint Canada, Inc.
7545 512 440 TPG Internet Pty Ltd
17676 468 367 Softbank BB Corp.
6467 393 344 E.Spire Communications, Inc.
19262 462 342 Verizon Global Networks
11492 338 330 Cable One
17488 336 327 Hathway IP Over Cable Interne
4766 611 322 Korea Telecom (KIX)
20115 650 320 Charter Communications
15270 343 315 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:81
/13:177 /14:322 /15:630 /16:8517 /17:2790 /18:4702
/19:10774 /20:11847 /21:9891 /22:13283 /23:14166 /24:92933
/25:333 /26:295 /27:191 /28:44 /29:14 /30:61
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 838 854 Covad Communications
6197 773 946 BellSouth Network Solutions,
7018 716 1502 AT&T WorldNet Services
2386 632 921 AT&T Data Communications Serv
9583 619 794 Sify Limited
4323 561 1175 Time Warner Telecom
27364 549 558 Armstrong Cable Services
4766 427 611 Korea Telecom (KIX)
5668 398 490 CenturyTel Internet Holdings,
702 384 609 UUNET - Commercial IP service
1239 367 862 Sprint
7011 364 422 Citizens Utilities
19916 363 369 OLM LLC
6198 346 473 BellSouth Network Solutions,
11492 330 338 Cable One
15270 313 343 PaeTec.net -a division of Pae
6517 311 337 Yipes Communications, Inc.
701 285 993 UUNET Technologies, Inc.
18302 278 293 SK Global co., Ltd
22773 275 542 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1595 13:1 15:10 16:2
17:3 18:3 20:27 24:1082 30:3 32:65
38:157 40:54 44:3 47:2 52:4 55:1
56:3 57:23 58:157 59:69 60:140 61:760
62:764 63:1886 64:2874 65:2076 66:2929 67:616
68:625 69:1226 70:193 71:18 72:385 80:627
81:550 82:473 83:306 84:250 85:323 86:121
87:17 125:8 128:154 129:167 130:96 131:295
132:36 133:1 134:145 135:43 136:151 137:66
138:165 139:61 140:429 141:137 142:150 143:141
144:218 145:34 146:300 147:112 148:301 149:184
150:108 151:72 152:113 153:93 154:5 155:140
156:80 157:111 158:164 159:171 160:85 161:75
162:232 163:133 164:191 165:187 166:152 167:251
168:438 169:142 170:316 171:8 190:1 192:5720
193:3310 194:2412 195:1555 196:673 198:3872 199:3238
200:4185 201:331 202:6109 203:6384 204:3805 205:2057
206:2448 207:2812 208:2038 209:3392 210:1665 211:812
212:1187 213:1360 214:301 215:39 216:3723 217:1133
218:221 219:135 220:491 221:282 222:129
End of report
Routing Table Report 04:00 +10GMT Mon 26 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 171115
Prefixes after maximum aggregation: 97388
Unique aggregates announced to Internet: 82372
Total ASes present in the Internet Routing Table: 20566
Origin-only ASes present in the Internet Routing Table: 17882
Origin ASes announcing only one prefix: 8474
Transit ASes present in the Internet Routing Table: 2684
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1425572736
Equivalent to 84 /8s, 248 /16s and 131 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81626
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35535
Total APNIC prefixes after maximum aggregation: 15581
Prefixes being announced from the APNIC address blocks: 33390
Unique aggregates announced from the APNIC address blocks: 16399
APNIC Region origin ASes present in the Internet Routing Table: 2367
APNIC Region origin ASes announcing only one prefix: 694
APNIC Region transit ASes present in the Internet Routing Table: 361
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 200280576
Equivalent to 11 /8s, 240 /16s and 10 /24s
Percentage of available APNIC address space announced: 74.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 91166
Total ARIN prefixes after maximum aggregation: 55299
Prefixes being announced from the ARIN address blocks: 71248
Unique aggregates announced from the ARIN address blocks: 26272
ARIN Region origin ASes present in the Internet Routing Table: 10229
ARIN Region origin ASes announcing only one prefix: 3780
ARIN Region transit ASes present in the Internet Routing Table: 953
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 270274304
Equivalent to 16 /8s, 28 /16s and 15 /24s
Percentage of available ARIN address space announced: 67.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33068
Total RIPE prefixes after maximum aggregation: 22487
Prefixes being announced from the RIPE address blocks: 30125
Unique aggregates announced from the RIPE address blocks: 20180
RIPE Region origin ASes present in the Internet Routing Table: 7130
RIPE Region origin ASes announcing only one prefix: 3765
RIPE Region transit ASes present in the Internet Routing Table: 1190
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 218595008
Equivalent to 13 /8s, 7 /16s and 126 /24s
Percentage of available RIPE address space announced: 65.1
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9576
Total LACNIC prefixes after maximum aggregation: 3206
Prefixes being announced from the LACNIC address blocks: 7924
Unique aggregates announced from the LACNIC address blocks: 4604
LACNIC Region origin ASes present in the Internet Routing Table: 635
LACNIC Region origin ASes announcing only one prefix: 193
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22070528
Equivalent to 1 /8s, 80 /16s and 197 /24s
Percentage of available LACNIC address space announced: 32.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1747
Total AfriNIC prefixes after maximum aggregation: 815
Prefixes being announced from the AfriNIC address blocks: 1062
Unique aggregates announced from the AfriNIC address blocks: 801
AfriNIC Region origin ASes present in the Internet Routing Table: 140
AfriNIC Region origin ASes announcing only one prefix: 42
AfriNIC Region transit ASes present in the Internet Routing Table: 19
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2731520
Equivalent to 0 /8s, 41 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 984 6080 203 CHINANET-BACKBONE
9583 794 77 12 Sify Limited
1221 749 1328 516 Telstra Pty Ltd
4755 715 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 611 3927 289 Korea Telecom (KIX)
7545 514 108 72 TPG Internet Pty Ltd
17676 468 6787 101 Softbank BB Corp.
9443 386 84 77 Primus Telecommunications
9498 338 147 58 BHARTI BT INTERNET LTD.
2907 336 1757 313 SINET Japan
17488 336 20 9 Hathway IP Over Cable Interne
9929 335 224 46 China Netcom Corp.
17557 328 23 158 Pakistan Telecom
7474 313 257 216 SingTel Optus Pty Ltd
17974 301 66 13 PT TELEKOMUNIKASI INDONESIA
18302 293 109 155 SK Global co., Ltd
4802 283 64 155 Wantree Development
9837 273 79 174 Powertel Ltd
703 254 263 207 UUNET - Commercial IP service
9800 252 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1498 6359 982 AT&T WorldNet Services
4323 1173 705 228 Time Warner Telecom
721 1085 21922 308 DLA Systems Automation Center
174 1071 5850 1003 Cogent Communications
701 986 8103 833 UUNET Technologies, Inc.
6197 946 399 481 BellSouth Network Solutions,
2386 921 513 683 AT&T Data Communications Serv
1239 866 2852 609 Sprint
18566 854 240 7 Covad Communications
20115 650 508 330 Charter Communications
209 629 3585 498 Qwest
3356 575 10659 442 Level 3 Communications, LLC
3602 558 132 111 Sprint Canada, Inc.
27364 558 44 18 Armstrong Cable Services
22773 541 1352 28 Cox Communications, Inc.
3561 539 2409 419 Savvis
5668 489 115 26 CenturyTel Internet Holdings,
6198 470 417 228 BellSouth Network Solutions,
7132 466 4950 398 SBC Internet Services
19262 462 1399 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 608 1994 480 UUNET - Commercial IP service
3301 300 1081 286 TeliaNet Sweden
3320 288 3230 239 Deutsche Telekom AG
8220 269 475 264 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 237 262 217 Romania Data Systems S.A.
3246 228 476 221 Song Networks
9121 224 336 25 TTnet Autonomous System
1257 195 712 173 SWIPnet Swedish IP Network
5515 185 778 127 Sonera Solution Autonomous Sy
6746 185 50 161 Dynamic Network Technologies,
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 169 289 142 BT Ignite European Backbone
8866 165 37 9 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 154 169 89 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
24863 138 37 6 LINKdotNET AS number
3215 137 1181 79 France Telecom Transpac
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 399 650 169 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 249 83 61 Servicios Alestra S.A de C.V
11664 204 22 24 Keytech SA
6147 191 118 21 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 156 10 5 Telefonica del Sur S.A.
7303 148 70 13 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
19169 121 8 25 Telconet
13999 118 52 9 Mega Cable S.A. de C.V.
6503 113 148 74 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 95 23 18 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 260 707 221 The Internet Solution
5536 123 8 12 Internet Egypt Network
8452 107 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 84 84 4 Nile Online
2905 79 211 71 The Internetworking Company o
20928 61 16 2 Noor Advanced Technologies AS
24835 59 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 4 20 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
23889 23 5 9 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
21280 22 4 5 Swift Global Kenya Ltd.Is an
21491 18 17 2 UTL On-line is RF broadband I
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1173 945 Time Warner Telecom
18566 854 847 Covad Communications
9583 794 782 Sify Limited
4134 984 781 CHINANET-BACKBONE
721 1085 777 DLA Systems Automation Center
4755 715 649 Videsh Sanchar Nigam Ltd. Aut
27364 558 540 Armstrong Cable Services
22773 541 513 Cox Communications, Inc.
6197 946 465 BellSouth Network Solutions,
5668 489 463 CenturyTel Internet Holdings,
3602 558 447 Sprint Canada, Inc.
7545 514 442 TPG Internet Pty Ltd
17676 468 367 Softbank BB Corp.
19262 462 342 Verizon Global Networks
11492 338 330 Cable One
17488 336 327 Hathway IP Over Cable Interne
4766 611 322 Korea Telecom (KIX)
20115 650 320 Charter Communications
6467 365 316 E.Spire Communications, Inc.
15270 343 315 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65533 PRIVATE 22.22.22.0/24 17841 KRNIC
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:81
/13:177 /14:323 /15:630 /16:8510 /17:2791 /18:4711
/19:10802 /20:11862 /21:9884 /22:13277 /23:14166 /24:92886
/25:334 /26:291 /27:190 /28:45 /29:14 /30:60
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 838 854 Covad Communications
6197 773 946 BellSouth Network Solutions,
7018 711 1498 AT&T WorldNet Services
2386 632 921 AT&T Data Communications Serv
9583 619 794 Sify Limited
4323 559 1173 Time Warner Telecom
27364 549 558 Armstrong Cable Services
4766 427 611 Korea Telecom (KIX)
5668 397 489 CenturyTel Internet Holdings,
702 384 608 UUNET - Commercial IP service
1239 367 866 Sprint
7011 363 421 Citizens Utilities
19916 363 369 OLM LLC
6198 343 470 BellSouth Network Solutions,
11492 330 338 Cable One
15270 313 343 PaeTec.net -a division of Pae
6517 311 337 Yipes Communications, Inc.
701 281 986 UUNET Technologies, Inc.
18302 278 293 SK Global co., Ltd
20115 274 650 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1595 13:1 15:10 16:2
17:3 18:3 20:27 22:1 24:1081 30:3
32:65 38:157 40:54 44:4 47:2 52:4
55:1 56:3 57:23 58:157 59:67 60:140
61:760 62:763 63:1889 64:2872 65:2074 66:2923
67:617 68:619 69:1226 70:189 71:18 72:384
80:628 81:546 82:472 83:305 84:248 85:334
86:121 87:16 125:8 128:152 129:167 130:96
131:293 132:36 133:1 134:145 135:43 136:149
137:66 138:165 139:61 140:429 141:137 142:150
143:140 144:218 145:34 146:300 147:119 148:303
149:184 150:108 151:72 152:113 153:89 154:5
155:140 156:80 157:112 158:164 159:171 160:85
161:74 162:232 163:133 164:191 165:187 166:152
167:250 168:438 169:142 170:315 171:8 190:1
192:5697 193:3309 194:2404 195:1559 196:680 198:3871
199:3237 200:4205 201:331 202:6088 203:6403 204:3800
205:2071 206:2449 207:2793 208:2031 209:3378 210:1665
211:812 212:1183 213:1366 214:305 215:39 216:3719
217:1141 218:220 219:134 220:490 221:282 222:130
End of report
Routing Table Report 04:00 +10GMT Sun 25 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 170547
Prefixes after maximum aggregation: 97205
Unique aggregates announced to Internet: 82107
Total ASes present in the Internet Routing Table: 20533
Origin-only ASes present in the Internet Routing Table: 17850
Origin ASes announcing only one prefix: 8447
Transit ASes present in the Internet Routing Table: 2683
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1425270144
Equivalent to 84 /8s, 243 /16s and 229 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81408
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35266
Total APNIC prefixes after maximum aggregation: 15536
Prefixes being announced from the APNIC address blocks: 33064
Unique aggregates announced from the APNIC address blocks: 16193
APNIC Region origin ASes present in the Internet Routing Table: 2360
APNIC Region origin ASes announcing only one prefix: 689
APNIC Region transit ASes present in the Internet Routing Table: 360
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 200171264
Equivalent to 11 /8s, 238 /16s and 95 /24s
Percentage of available APNIC address space announced: 74.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 91015
Total ARIN prefixes after maximum aggregation: 55223
Prefixes being announced from the ARIN address blocks: 71150
Unique aggregates announced from the ARIN address blocks: 26249
ARIN Region origin ASes present in the Internet Routing Table: 10208
ARIN Region origin ASes announcing only one prefix: 3759
ARIN Region transit ASes present in the Internet Routing Table: 954
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 270242304
Equivalent to 16 /8s, 27 /16s and 146 /24s
Percentage of available ARIN address space announced: 67.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 32940
Total RIPE prefixes after maximum aggregation: 22416
Prefixes being announced from the RIPE address blocks: 30039
Unique aggregates announced from the RIPE address blocks: 20168
RIPE Region origin ASes present in the Internet Routing Table: 7123
RIPE Region origin ASes announcing only one prefix: 3761
RIPE Region transit ASes present in the Internet Routing Table: 1192
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 218542784
Equivalent to 13 /8s, 6 /16s and 178 /24s
Percentage of available RIPE address space announced: 65.1
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9578
Total LACNIC prefixes after maximum aggregation: 3214
Prefixes being announced from the LACNIC address blocks: 7927
Unique aggregates announced from the LACNIC address blocks: 4606
LACNIC Region origin ASes present in the Internet Routing Table: 637
LACNIC Region origin ASes announcing only one prefix: 196
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22084608
Equivalent to 1 /8s, 80 /16s and 252 /24s
Percentage of available LACNIC address space announced: 32.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1725
Total AfriNIC prefixes after maximum aggregation: 816
Prefixes being announced from the AfriNIC address blocks: 1066
Unique aggregates announced from the AfriNIC address blocks: 805
AfriNIC Region origin ASes present in the Internet Routing Table: 140
AfriNIC Region origin ASes announcing only one prefix: 42
AfriNIC Region transit ASes present in the Internet Routing Table: 19
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2734592
Equivalent to 0 /8s, 41 /16s and 186 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 984 6080 203 CHINANET-BACKBONE
9583 799 77 12 Sify Limited
1221 749 1328 516 Telstra Pty Ltd
4755 719 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 611 3927 289 Korea Telecom (KIX)
7545 514 108 72 TPG Internet Pty Ltd
17676 468 6787 101 Softbank BB Corp.
9443 386 84 77 Primus Telecommunications
9498 337 147 58 BHARTI BT INTERNET LTD.
2907 336 1757 313 SINET Japan
17488 336 20 9 Hathway IP Over Cable Interne
9929 335 224 46 China Netcom Corp.
7474 313 257 216 SingTel Optus Pty Ltd
17974 302 66 13 PT TELEKOMUNIKASI INDONESIA
18302 293 109 155 SK Global co., Ltd
4802 288 65 155 Wantree Development
17557 288 20 150 Pakistan Telecom
9837 273 79 174 Powertel Ltd
703 254 263 207 UUNET - Commercial IP service
9800 252 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1496 6359 980 AT&T WorldNet Services
4323 1173 705 228 Time Warner Telecom
721 1087 21922 308 DLA Systems Automation Center
174 1070 5850 1002 Cogent Communications
701 984 8119 829 UUNET Technologies, Inc.
6197 946 399 481 BellSouth Network Solutions,
2386 919 513 681 AT&T Data Communications Serv
1239 867 2852 610 Sprint
18566 854 240 7 Covad Communications
20115 650 508 330 Charter Communications
209 629 3585 498 Qwest
3356 575 10659 442 Level 3 Communications, LLC
3602 558 132 111 Sprint Canada, Inc.
27364 558 44 18 Armstrong Cable Services
3561 539 2409 419 Savvis
22773 538 1352 28 Cox Communications, Inc.
5668 490 115 23 CenturyTel Internet Holdings,
6198 472 417 228 BellSouth Network Solutions,
7132 466 4950 398 SBC Internet Services
19262 462 1399 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 608 1994 480 UUNET - Commercial IP service
3301 300 1081 286 TeliaNet Sweden
3320 288 3230 239 Deutsche Telekom AG
8220 269 475 264 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 237 262 217 Romania Data Systems S.A.
3246 228 476 221 Song Networks
9121 224 336 25 TTnet Autonomous System
1257 195 712 173 SWIPnet Swedish IP Network
5515 185 778 127 Sonera Solution Autonomous Sy
6746 185 50 161 Dynamic Network Technologies,
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 168 289 141 BT Ignite European Backbone
8866 165 37 9 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 155 169 90 AUCS Communications Services
25186 143 145 100 France Telecom Transpac's Tra
24863 138 37 6 LINKdotNET AS number
3215 137 1181 79 France Telecom Transpac
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 399 650 169 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 249 83 61 Servicios Alestra S.A de C.V
11664 204 22 24 Keytech SA
6147 191 118 21 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 156 10 5 Telefonica del Sur S.A.
7303 148 70 13 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
6505 122 89 86 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
19169 121 8 25 Telconet
13999 118 52 9 Mega Cable S.A. de C.V.
6503 112 148 75 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 95 23 18 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
2018 96 295 87 Tertiary Education Network
15475 83 84 4 Nile Online
8452 80 32 6 TEDATA
2905 79 211 71 The Internetworking Company o
20928 61 16 2 Noor Advanced Technologies AS
24835 59 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 4 20 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
23889 23 5 9 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
21280 22 4 5 Swift Global Kenya Ltd.Is an
21491 18 17 2 UTL On-line is RF broadband I
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1173 945 Time Warner Telecom
18566 854 847 Covad Communications
9583 799 787 Sify Limited
4134 984 781 CHINANET-BACKBONE
721 1087 779 DLA Systems Automation Center
4755 719 653 Videsh Sanchar Nigam Ltd. Aut
27364 558 540 Armstrong Cable Services
22773 538 510 Cox Communications, Inc.
5668 490 467 CenturyTel Internet Holdings,
6197 946 465 BellSouth Network Solutions,
3602 558 447 Sprint Canada, Inc.
7545 514 442 TPG Internet Pty Ltd
17676 468 367 Softbank BB Corp.
19262 462 342 Verizon Global Networks
11492 338 330 Cable One
17488 336 327 Hathway IP Over Cable Interne
4766 611 322 Korea Telecom (KIX)
20115 650 320 Charter Communications
6467 365 316 E.Spire Communications, Inc.
15270 343 315 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65533 PRIVATE 22.22.22.0/24 17841 KRNIC
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:81
/13:177 /14:323 /15:630 /16:8508 /17:2786 /18:4702
/19:10790 /20:11836 /21:9865 /22:13243 /23:14137 /24:92466
/25:341 /26:274 /27:189 /28:45 /29:14 /30:59
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 838 854 Covad Communications
6197 773 946 BellSouth Network Solutions,
7018 710 1496 AT&T WorldNet Services
2386 630 919 AT&T Data Communications Serv
9583 624 799 Sify Limited
4323 559 1173 Time Warner Telecom
27364 549 558 Armstrong Cable Services
4766 427 611 Korea Telecom (KIX)
5668 398 490 CenturyTel Internet Holdings,
702 384 608 UUNET - Commercial IP service
1239 368 867 Sprint
7011 363 421 Citizens Utilities
19916 363 369 OLM LLC
6198 345 472 BellSouth Network Solutions,
11492 330 338 Cable One
15270 313 343 PaeTec.net -a division of Pae
6517 311 337 Yipes Communications, Inc.
701 278 984 UUNET Technologies, Inc.
18302 278 293 SK Global co., Ltd
20115 274 650 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1590 13:1 15:10 16:2
17:3 18:3 20:27 22:1 24:1081 30:3
32:65 38:157 40:54 44:4 47:2 52:4
55:1 56:3 57:23 58:146 59:69 60:140
61:760 62:766 63:1881 64:2861 65:2070 66:2909
67:614 68:618 69:1226 70:188 71:18 72:385
80:630 81:519 82:473 83:305 84:248 85:321
86:121 87:16 125:8 128:150 129:166 130:95
131:295 132:36 133:1 134:145 135:43 136:149
137:65 138:164 139:61 140:429 141:137 142:150
143:140 144:210 145:34 146:299 147:119 148:303
149:184 150:108 151:72 152:113 153:89 154:5
155:140 156:80 157:111 158:164 159:171 160:85
161:74 162:232 163:132 164:190 165:186 166:152
167:248 168:438 169:142 170:314 171:8 190:1
192:5668 193:3306 194:2407 195:1551 196:683 198:3867
199:3239 200:4203 201:331 202:5949 203:6313 204:3797
205:2065 206:2448 207:2794 208:2028 209:3375 210:1643
211:811 212:1183 213:1365 214:304 215:39 216:3715
217:1141 218:220 219:134 220:490 221:282 222:130
End of report
Routing Table Report 04:00 +10GMT Sat 24 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 170925
Prefixes after maximum aggregation: 97293
Unique aggregates announced to Internet: 82277
Total ASes present in the Internet Routing Table: 20556
Origin-only ASes present in the Internet Routing Table: 17862
Origin ASes announcing only one prefix: 8466
Transit ASes present in the Internet Routing Table: 2694
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1425779840
Equivalent to 84 /8s, 251 /16s and 172 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81476
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35531
Total APNIC prefixes after maximum aggregation: 15562
Prefixes being announced from the APNIC address blocks: 33382
Unique aggregates announced from the APNIC address blocks: 16415
APNIC Region origin ASes present in the Internet Routing Table: 2364
APNIC Region origin ASes announcing only one prefix: 693
APNIC Region transit ASes present in the Internet Routing Table: 362
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 200282112
Equivalent to 11 /8s, 240 /16s and 16 /24s
Percentage of available APNIC address space announced: 74.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 91099
Total ARIN prefixes after maximum aggregation: 55256
Prefixes being announced from the ARIN address blocks: 71256
Unique aggregates announced from the ARIN address blocks: 26188
ARIN Region origin ASes present in the Internet Routing Table: 10237
ARIN Region origin ASes announcing only one prefix: 3786
ARIN Region transit ASes present in the Internet Routing Table: 959
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 270284800
Equivalent to 16 /8s, 28 /16s and 56 /24s
Percentage of available ARIN address space announced: 67.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33022
Total RIPE prefixes after maximum aggregation: 22456
Prefixes being announced from the RIPE address blocks: 30053
Unique aggregates announced from the RIPE address blocks: 20165
RIPE Region origin ASes present in the Internet Routing Table: 7110
RIPE Region origin ASes announcing only one prefix: 3748
RIPE Region transit ASes present in the Internet Routing Table: 1195
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 218480064
Equivalent to 13 /8s, 5 /16s and 189 /24s
Percentage of available RIPE address space announced: 65.1
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9532
Total LACNIC prefixes after maximum aggregation: 3208
Prefixes being announced from the LACNIC address blocks: 7900
Unique aggregates announced from the LACNIC address blocks: 4609
LACNIC Region origin ASes present in the Internet Routing Table: 638
LACNIC Region origin ASes announcing only one prefix: 197
LACNIC Region transit ASes present in the Internet Routing Table: 124
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22086144
Equivalent to 1 /8s, 81 /16s and 2 /24s
Percentage of available LACNIC address space announced: 32.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1719
Total AfriNIC prefixes after maximum aggregation: 811
Prefixes being announced from the AfriNIC address blocks: 1060
Unique aggregates announced from the AfriNIC address blocks: 804
AfriNIC Region origin ASes present in the Internet Routing Table: 139
AfriNIC Region origin ASes announcing only one prefix: 42
AfriNIC Region transit ASes present in the Internet Routing Table: 19
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2734336
Equivalent to 0 /8s, 41 /16s and 185 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 984 6080 203 CHINANET-BACKBONE
9583 798 77 12 Sify Limited
1221 748 1328 515 Telstra Pty Ltd
4755 719 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 611 3927 289 Korea Telecom (KIX)
7545 514 108 72 TPG Internet Pty Ltd
17676 468 6787 101 Softbank BB Corp.
9443 386 84 77 Primus Telecommunications
9498 337 147 58 BHARTI BT INTERNET LTD.
2907 336 1757 313 SINET Japan
9929 335 224 46 China Netcom Corp.
17557 328 23 158 Pakistan Telecom
17488 320 19 8 Hathway IP Over Cable Interne
7474 313 257 216 SingTel Optus Pty Ltd
4802 311 67 151 Wantree Development
17974 302 66 13 PT TELEKOMUNIKASI INDONESIA
18302 293 109 155 SK Global co., Ltd
9837 273 79 174 Powertel Ltd
703 253 263 206 UUNET - Commercial IP service
9800 249 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1512 6360 985 AT&T WorldNet Services
4323 1175 705 229 Time Warner Telecom
721 1090 21922 312 DLA Systems Automation Center
174 1070 5850 1002 Cogent Communications
701 992 8120 837 UUNET Technologies, Inc.
6197 928 398 474 BellSouth Network Solutions,
2386 921 513 683 AT&T Data Communications Serv
1239 863 2851 608 Sprint
18566 854 240 7 Covad Communications
20115 649 507 329 Charter Communications
209 629 3585 495 Qwest
3356 577 10661 444 Level 3 Communications, LLC
27364 558 44 18 Armstrong Cable Services
3602 557 131 110 Sprint Canada, Inc.
3561 540 2409 420 Savvis
22773 538 1352 28 Cox Communications, Inc.
5668 490 115 23 CenturyTel Internet Holdings,
6198 472 417 228 BellSouth Network Solutions,
7132 466 4950 398 SBC Internet Services
19262 461 1395 119 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 608 1994 480 UUNET - Commercial IP service
3301 300 1081 286 TeliaNet Sweden
3320 288 3230 239 Deutsche Telekom AG
8220 269 475 264 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 237 262 217 Romania Data Systems S.A.
3246 229 476 222 Song Networks
9121 223 336 25 TTnet Autonomous System
1257 195 712 173 SWIPnet Swedish IP Network
5515 185 778 127 Sonera Solution Autonomous Sy
6746 185 50 161 Dynamic Network Technologies,
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 169 289 142 BT Ignite European Backbone
8866 165 37 9 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 155 169 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
24863 138 37 6 LINKdotNET AS number
3215 137 1181 79 France Telecom Transpac
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 397 650 169 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 248 83 60 Servicios Alestra S.A de C.V
11664 204 22 24 Keytech SA
6147 191 118 21 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 156 10 5 Telefonica del Sur S.A.
7303 148 70 13 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
6505 122 89 86 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
19169 120 8 28 Telconet
13999 118 52 9 Mega Cable S.A. de C.V.
6503 114 148 75 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 96 24 19 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
2018 95 295 86 Tertiary Education Network
15475 83 84 4 Nile Online
2905 79 211 71 The Internetworking Company o
8452 79 32 6 TEDATA
20928 61 16 2 Noor Advanced Technologies AS
24835 59 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 4 20 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
23889 23 5 9 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
21280 22 4 5 Swift Global Kenya Ltd.Is an
21491 18 17 2 UTL On-line is RF broadband I
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1175 946 Time Warner Telecom
18566 854 847 Covad Communications
9583 798 786 Sify Limited
4134 984 781 CHINANET-BACKBONE
721 1090 778 DLA Systems Automation Center
4755 719 653 Videsh Sanchar Nigam Ltd. Aut
27364 558 540 Armstrong Cable Services
22773 538 510 Cox Communications, Inc.
5668 490 467 CenturyTel Internet Holdings,
6197 928 454 BellSouth Network Solutions,
3602 557 447 Sprint Canada, Inc.
7545 514 442 TPG Internet Pty Ltd
17676 468 367 Softbank BB Corp.
6467 396 347 E.Spire Communications, Inc.
19262 461 342 Verizon Global Networks
11492 337 329 Cable One
4766 611 322 Korea Telecom (KIX)
20115 649 320 Charter Communications
15270 340 312 PaeTec.net -a division of Pae
17488 320 312 Hathway IP Over Cable Interne
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65533 PRIVATE 22.22.22.0/24 17841 KRNIC
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:81
/13:177 /14:323 /15:631 /16:8511 /17:2786 /18:4711
/19:10801 /20:11852 /21:9882 /22:13262 /23:14141 /24:92819
/25:334 /26:273 /27:189 /28:26 /29:10 /30:54
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 838 854 Covad Communications
6197 763 928 BellSouth Network Solutions,
7018 724 1512 AT&T WorldNet Services
2386 632 921 AT&T Data Communications Serv
9583 624 798 Sify Limited
4323 562 1175 Time Warner Telecom
27364 549 558 Armstrong Cable Services
4766 427 611 Korea Telecom (KIX)
5668 398 490 CenturyTel Internet Holdings,
702 384 608 UUNET - Commercial IP service
1239 365 863 Sprint
19916 363 369 OLM LLC
7011 362 420 Citizens Utilities
6198 345 472 BellSouth Network Solutions,
11492 329 337 Cable One
6517 311 337 Yipes Communications, Inc.
15270 310 340 PaeTec.net -a division of Pae
701 286 992 UUNET Technologies, Inc.
18302 278 293 SK Global co., Ltd
20115 274 649 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1595 13:1 15:10 16:2
17:3 18:3 20:27 22:1 24:1085 32:65
38:157 40:54 44:4 47:2 52:4 55:1
56:3 57:23 58:157 59:69 60:124 61:761
62:762 63:1896 64:2872 65:2080 66:2928 67:616
68:611 69:1222 70:190 71:18 72:386 80:628
81:522 82:470 83:304 84:248 85:333 86:119
87:16 125:8 128:156 129:167 130:96 131:296
132:36 133:1 134:145 135:43 136:149 137:66
138:165 139:61 140:429 141:105 142:148 143:141
144:218 145:34 146:300 147:119 148:301 149:183
150:108 151:72 152:113 153:89 154:5 155:140
156:80 157:112 158:164 159:171 160:85 161:74
162:232 163:132 164:191 165:186 166:154 167:250
168:438 169:142 170:314 171:8 190:1 192:5672
193:3309 194:2400 195:1554 196:681 198:3869 199:3242
200:4194 201:330 202:6091 203:6418 204:3801 205:2053
206:2446 207:2817 208:2040 209:3391 210:1663 211:812
212:1183 213:1371 214:302 215:36 216:3719 217:1140
218:220 219:137 220:487 221:282 222:130
End of report
Routing Table Report 04:00 +10GMT Fri 23 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 170921
Prefixes after maximum aggregation: 97315
Unique aggregates announced to Internet: 82249
Total ASes present in the Internet Routing Table: 20557
Origin-only ASes present in the Internet Routing Table: 17873
Origin ASes announcing only one prefix: 8466
Transit ASes present in the Internet Routing Table: 2684
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1424564608
Equivalent to 84 /8s, 233 /16s and 33 /24s
Percentage of available address space announced: 38.4
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81509
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35481
Total APNIC prefixes after maximum aggregation: 15575
Prefixes being announced from the APNIC address blocks: 33329
Unique aggregates announced from the APNIC address blocks: 16395
APNIC Region origin ASes present in the Internet Routing Table: 2365
APNIC Region origin ASes announcing only one prefix: 694
APNIC Region transit ASes present in the Internet Routing Table: 362
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 200253952
Equivalent to 11 /8s, 239 /16s and 162 /24s
Percentage of available APNIC address space announced: 74.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 91070
Total ARIN prefixes after maximum aggregation: 55237
Prefixes being announced from the ARIN address blocks: 71183
Unique aggregates announced from the ARIN address blocks: 26151
ARIN Region origin ASes present in the Internet Routing Table: 10229
ARIN Region origin ASes announcing only one prefix: 3778
ARIN Region transit ASes present in the Internet Routing Table: 959
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 269320960
Equivalent to 16 /8s, 13 /16s and 131 /24s
Percentage of available ARIN address space announced: 66.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33066
Total RIPE prefixes after maximum aggregation: 22477
Prefixes being announced from the RIPE address blocks: 30098
Unique aggregates announced from the RIPE address blocks: 20179
RIPE Region origin ASes present in the Internet Routing Table: 7121
RIPE Region origin ASes announcing only one prefix: 3754
RIPE Region transit ASes present in the Internet Routing Table: 1187
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 218455744
Equivalent to 13 /8s, 5 /16s and 94 /24s
Percentage of available RIPE address space announced: 65.1
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9558
Total LACNIC prefixes after maximum aggregation: 3210
Prefixes being announced from the LACNIC address blocks: 7911
Unique aggregates announced from the LACNIC address blocks: 4601
LACNIC Region origin ASes present in the Internet Routing Table: 637
LACNIC Region origin ASes announcing only one prefix: 198
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22032896
Equivalent to 1 /8s, 80 /16s and 50 /24s
Percentage of available LACNIC address space announced: 32.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1725
Total AfriNIC prefixes after maximum aggregation: 816
Prefixes being announced from the AfriNIC address blocks: 1065
Unique aggregates announced from the AfriNIC address blocks: 804
AfriNIC Region origin ASes present in the Internet Routing Table: 140
AfriNIC Region origin ASes announcing only one prefix: 42
AfriNIC Region transit ASes present in the Internet Routing Table: 19
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2734336
Equivalent to 0 /8s, 41 /16s and 185 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 984 6080 203 CHINANET-BACKBONE
9583 798 77 12 Sify Limited
1221 750 1328 516 Telstra Pty Ltd
4755 720 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 610 3927 289 Korea Telecom (KIX)
7545 514 108 72 TPG Internet Pty Ltd
17676 468 6787 101 Softbank BB Corp.
9443 386 84 77 Primus Telecommunications
9498 339 147 59 BHARTI BT INTERNET LTD.
2907 336 1757 313 SINET Japan
9929 335 224 46 China Netcom Corp.
17557 329 23 158 Pakistan Telecom
17488 320 19 8 Hathway IP Over Cable Interne
7474 313 257 216 SingTel Optus Pty Ltd
4802 305 63 153 Wantree Development
17974 301 66 13 PT TELEKOMUNIKASI INDONESIA
18302 293 109 155 SK Global co., Ltd
9837 271 79 172 Powertel Ltd
703 254 263 207 UUNET - Commercial IP service
9800 252 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1511 6360 986 AT&T WorldNet Services
4323 1172 705 228 Time Warner Telecom
721 1087 21922 312 DLA Systems Automation Center
174 1070 5850 1002 Cogent Communications
701 992 8104 839 UUNET Technologies, Inc.
6197 943 389 479 BellSouth Network Solutions,
2386 921 515 684 AT&T Data Communications Serv
1239 866 2851 609 Sprint
18566 854 240 7 Covad Communications
20115 649 507 331 Charter Communications
209 628 3457 494 Qwest
3356 575 10643 442 Level 3 Communications, LLC
3602 558 131 110 Sprint Canada, Inc.
27364 558 44 18 Armstrong Cable Services
3561 540 2409 420 Savvis
22773 534 1352 28 Cox Communications, Inc.
5668 490 115 23 CenturyTel Internet Holdings,
6198 472 417 228 BellSouth Network Solutions,
7132 462 4934 395 SBC Internet Services
19262 454 1375 122 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 608 1994 480 UUNET - Commercial IP service
3301 300 1081 286 TeliaNet Sweden
3320 291 3230 242 Deutsche Telekom AG
8220 268 475 263 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 237 262 217 Romania Data Systems S.A.
3246 230 477 223 Song Networks
9121 223 336 25 TTnet Autonomous System
1257 195 712 173 SWIPnet Swedish IP Network
5515 185 778 127 Sonera Solution Autonomous Sy
6746 185 50 161 Dynamic Network Technologies,
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 168 288 141 BT Ignite European Backbone
8866 165 37 9 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 185 91 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
24863 138 37 6 LINKdotNET AS number
3215 137 1181 79 France Telecom Transpac
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 398 650 169 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 247 83 60 Servicios Alestra S.A de C.V
11664 198 20 24 Keytech SA
6147 191 118 21 Telefonica Del Peru
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 156 10 5 Telefonica del Sur S.A.
7303 148 70 13 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
13999 124 52 9 Mega Cable S.A. de C.V.
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
19169 120 8 28 Telconet
6503 114 148 75 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 96 24 19 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
2018 96 295 87 Tertiary Education Network
15475 83 84 4 Nile Online
8452 80 32 6 TEDATA
2905 79 211 71 The Internetworking Company o
20928 61 16 2 Noor Advanced Technologies AS
24835 59 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 36 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 4 20 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
23889 23 5 9 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
21280 22 4 5 Swift Global Kenya Ltd.Is an
21491 18 17 2 UTL On-line is RF broadband I
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1172 944 Time Warner Telecom
18566 854 847 Covad Communications
9583 798 786 Sify Limited
4134 984 781 CHINANET-BACKBONE
721 1087 775 DLA Systems Automation Center
4755 720 654 Videsh Sanchar Nigam Ltd. Aut
27364 558 540 Armstrong Cable Services
22773 534 506 Cox Communications, Inc.
5668 490 467 CenturyTel Internet Holdings,
6197 943 464 BellSouth Network Solutions,
3602 558 448 Sprint Canada, Inc.
7545 514 442 TPG Internet Pty Ltd
17676 468 367 Softbank BB Corp.
6467 398 349 E.Spire Communications, Inc.
19262 454 332 Verizon Global Networks
11492 336 328 Cable One
4766 610 321 Korea Telecom (KIX)
20115 649 318 Charter Communications
17488 320 312 Hathway IP Over Cable Interne
15270 338 311 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8697 Jordan Telecommunica
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:80
/13:176 /14:323 /15:631 /16:8510 /17:2779 /18:4693
/19:10791 /20:11807 /21:9880 /22:13264 /23:14155 /24:92830
/25:340 /26:273 /27:188 /28:45 /29:14 /30:61
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 838 854 Covad Communications
6197 772 943 BellSouth Network Solutions,
7018 723 1511 AT&T WorldNet Services
2386 630 921 AT&T Data Communications Serv
9583 624 798 Sify Limited
4323 560 1172 Time Warner Telecom
27364 549 558 Armstrong Cable Services
4766 427 610 Korea Telecom (KIX)
5668 398 490 CenturyTel Internet Holdings,
702 385 608 UUNET - Commercial IP service
7011 369 427 Citizens Utilities
1239 368 866 Sprint
19916 363 369 OLM LLC
6198 345 472 BellSouth Network Solutions,
11492 328 336 Cable One
6517 311 337 Yipes Communications, Inc.
15270 308 338 PaeTec.net -a division of Pae
701 287 992 UUNET Technologies, Inc.
18302 278 293 SK Global co., Ltd
20115 273 649 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1593 13:1 15:10 16:2
17:3 18:3 20:27 24:1084 30:3 32:65
38:157 40:54 44:4 47:2 52:4 55:1
56:3 57:23 58:157 59:69 60:122 61:760
62:764 63:1896 64:2867 65:2081 66:2914 67:616
68:611 69:1219 70:188 71:17 72:383 80:627
81:525 82:472 83:304 84:251 85:332 86:118
87:16 125:8 128:159 129:167 130:96 131:294
132:36 133:1 134:144 135:43 136:149 137:66
138:165 139:61 140:429 141:105 142:148 143:141
144:218 145:34 146:297 147:118 148:301 149:183
150:108 151:72 152:113 153:89 154:5 155:140
156:80 157:119 158:164 159:171 160:85 161:74
162:231 163:132 164:189 165:186 166:154 167:251
168:439 169:142 170:316 171:8 190:1 192:5706
193:3304 194:2417 195:1560 196:682 198:3878 199:3238
200:4195 201:332 202:6081 203:6419 204:3797 205:2063
206:2446 207:2819 208:2041 209:3393 210:1664 211:812
212:1185 213:1372 214:301 215:36 216:3686 217:1141
218:220 219:138 220:485 221:281 222:129
End of report
Routing Table Report 04:00 +10GMT Thu 22 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 170657
Prefixes after maximum aggregation: 97312
Unique aggregates announced to Internet: 82505
Total ASes present in the Internet Routing Table: 20558
Origin-only ASes present in the Internet Routing Table: 17888
Origin ASes announcing only one prefix: 8475
Transit ASes present in the Internet Routing Table: 2670
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 26
Prefixes from unregistered ASNs in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1425249344
Equivalent to 84 /8s, 243 /16s and 148 /24s
Percentage of available address space announced: 38.5
Percentage of allocated address space announced: 57.9
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 81379
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35432
Total APNIC prefixes after maximum aggregation: 15606
Prefixes being announced from the APNIC address blocks: 33287
Unique aggregates announced from the APNIC address blocks: 16480
APNIC Region origin ASes present in the Internet Routing Table: 2366
APNIC Region origin ASes announcing only one prefix: 695
APNIC Region transit ASes present in the Internet Routing Table: 362
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 200202240
Equivalent to 11 /8s, 238 /16s and 216 /24s
Percentage of available APNIC address space announced: 74.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 90935
Total ARIN prefixes after maximum aggregation: 55219
Prefixes being announced from the ARIN address blocks: 71065
Unique aggregates announced from the ARIN address blocks: 26226
ARIN Region origin ASes present in the Internet Routing Table: 10237
ARIN Region origin ASes announcing only one prefix: 3782
ARIN Region transit ASes present in the Internet Routing Table: 954
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 268238336
Equivalent to 15 /8s, 252 /16s and 254 /24s
Percentage of available ARIN address space announced: 66.6
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33033
Total RIPE prefixes after maximum aggregation: 22474
Prefixes being announced from the RIPE address blocks: 30064
Unique aggregates announced from the RIPE address blocks: 20279
RIPE Region origin ASes present in the Internet Routing Table: 7119
RIPE Region origin ASes announcing only one prefix: 3762
RIPE Region transit ASes present in the Internet Routing Table: 1179
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 218185856
Equivalent to 13 /8s, 1 /16s and 64 /24s
Percentage of available RIPE address space announced: 65.0
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9527
Total LACNIC prefixes after maximum aggregation: 3203
Prefixes being announced from the LACNIC address blocks: 7880
Unique aggregates announced from the LACNIC address blocks: 4595
LACNIC Region origin ASes present in the Internet Routing Table: 634
LACNIC Region origin ASes announcing only one prefix: 196
LACNIC Region transit ASes present in the Internet Routing Table: 121
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 22022400
Equivalent to 1 /8s, 80 /16s and 9 /24s
Percentage of available LACNIC address space announced: 32.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1706
Total AfriNIC prefixes after maximum aggregation: 810
Prefixes being announced from the AfriNIC address blocks: 1057
Unique aggregates announced from the AfriNIC address blocks: 799
AfriNIC Region origin ASes present in the Internet Routing Table: 138
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 18
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2711552
Equivalent to 0 /8s, 41 /16s and 96 /24s
Percentage of available AfriNIC address space announced: 8.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 983 6076 202 CHINANET-BACKBONE
9583 794 77 12 Sify Limited
1221 748 1328 515 Telstra Pty Ltd
4755 719 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 610 3927 289 Korea Telecom (KIX)
7545 514 108 72 TPG Internet Pty Ltd
17676 468 6787 101 Softbank BB Corp.
9443 386 84 77 Primus Telecommunications
9498 339 147 60 BHARTI BT INTERNET LTD.
2907 336 1757 313 SINET Japan
9929 335 224 46 China Netcom Corp.
17557 330 23 158 Pakistan Telecom
17488 320 19 8 Hathway IP Over Cable Interne
7474 313 257 216 SingTel Optus Pty Ltd
4802 305 63 153 Wantree Development
18302 294 109 154 SK Global co., Ltd
9837 273 79 174 Powertel Ltd
17974 270 65 14 PT TELEKOMUNIKASI INDONESIA
703 253 263 206 UUNET - Commercial IP service
9800 252 394 66 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1507 6359 986 AT&T WorldNet Services
4323 1172 705 228 Time Warner Telecom
174 1070 5850 1002 Cogent Communications
721 1053 21919 313 DLA Systems Automation Center
701 993 8120 838 UUNET Technologies, Inc.
6197 942 389 479 BellSouth Network Solutions,
2386 920 515 683 AT&T Data Communications Serv
1239 866 2852 609 Sprint
18566 852 227 21 Covad Communications
20115 647 507 329 Charter Communications
209 628 3457 494 Qwest
3356 575 10643 442 Level 3 Communications, LLC
3602 557 131 110 Sprint Canada, Inc.
27364 554 44 18 Armstrong Cable Services
3561 540 2409 420 Savvis
22773 534 1352 28 Cox Communications, Inc.
5668 495 115 23 CenturyTel Internet Holdings,
6198 472 417 228 BellSouth Network Solutions,
7132 460 4950 393 SBC Internet Services
19262 454 1375 122 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 608 1994 480 UUNET - Commercial IP service
3301 300 1081 286 TeliaNet Sweden
3320 291 3230 242 Deutsche Telekom AG
8220 266 474 261 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 237 262 217 Romania Data Systems S.A.
3246 229 476 222 Song Networks
9121 208 295 42 TTnet Autonomous System
1257 195 712 173 SWIPnet Swedish IP Network
5515 185 778 127 Sonera Solution Autonomous Sy
6746 185 50 161 Dynamic Network Technologies,
3269 176 1606 69 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 169 289 142 BT Ignite European Backbone
8866 165 37 9 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 185 91 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
24863 138 37 6 LINKdotNET AS number
3215 137 1181 79 France Telecom Transpac
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 397 650 168 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 248 83 60 Servicios Alestra S.A de C.V
6147 191 118 21 Telefonica Del Peru
11664 190 20 24 Keytech SA
19632 183 14 5 Metropolis Intercom S.A.
22047 171 128 7 VTR PUNTO NET S.A.
14117 153 10 5 Telefonica del Sur S.A.
7303 148 70 13 Telecom Argentina Stet-France
11556 132 64 2 Cable-Wireless Panama
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
19169 120 8 28 Telconet
13999 115 52 9 Mega Cable S.A. de C.V.
6503 114 148 75 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
21826 105 13 16 INTERCABLE
5639 103 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 96 24 19 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 266 708 223 The Internet Solution
5536 123 8 12 Internet Egypt Network
2018 96 295 87 Tertiary Education Network
15475 83 84 4 Nile Online
8452 79 32 6 TEDATA
2905 74 210 66 The Internetworking Company o
20928 60 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 38 149 33 Telkom SA Ltd
12455 34 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 4 20 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 20 Johnnic e-Ventures
23889 23 5 9 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
21280 22 4 5 Swift Global Kenya Ltd.Is an
21491 18 17 2 UTL On-line is RF broadband I
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1172 944 Time Warner Telecom
18566 852 831 Covad Communications
9583 794 782 Sify Limited
4134 983 781 CHINANET-BACKBONE
721 1053 740 DLA Systems Automation Center
4755 719 653 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
22773 534 506 Cox Communications, Inc.
5668 495 472 CenturyTel Internet Holdings,
6197 942 463 BellSouth Network Solutions,
3602 557 447 Sprint Canada, Inc.
7545 514 442 TPG Internet Pty Ltd
17676 468 367 Softbank BB Corp.
6467 398 349 E.Spire Communications, Inc.
19262 454 332 Verizon Global Networks
11492 336 328 Cable One
4766 610 321 Korea Telecom (KIX)
20115 647 318 Charter Communications
17488 320 312 Hathway IP Over Cable Interne
15270 337 310 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65205 PRIVATE 152.163.5.0/24 2056 America Online
65111 PRIVATE 194.165.131.0/24 8697 Jordan Telecommunica
65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia
65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma
65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
65500 PRIVATE 211.158.36.0/22 23851 Chongqing Broadband
65500 PRIVATE 211.158.40.0/22 23851 Chongqing Broadband
65500 PRIVATE 211.158.44.0/22 23851 Chongqing Broadband
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.43.230.0/24 7575 Australian Academic and Rease
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.172.0.0/19 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:17 /12:80
/13:176 /14:323 /15:627 /16:8540 /17:2762 /18:4687
/19:10763 /20:11802 /21:9857 /22:13239 /23:14130 /24:92710
/25:323 /26:266 /27:170 /28:46 /29:14 /30:61
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 837 852 Covad Communications
6197 771 942 BellSouth Network Solutions,
7018 717 1507 AT&T WorldNet Services
2386 632 920 AT&T Data Communications Serv
9583 620 794 Sify Limited
4323 561 1172 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 427 610 Korea Telecom (KIX)
5668 403 495 CenturyTel Internet Holdings,
702 385 608 UUNET - Commercial IP service
7011 369 427 Citizens Utilities
1239 368 866 Sprint
19916 363 369 OLM LLC
6198 345 472 BellSouth Network Solutions,
11492 328 336 Cable One
6517 310 336 Yipes Communications, Inc.
15270 307 337 PaeTec.net -a division of Pae
701 286 993 UUNET Technologies, Inc.
18302 279 294 SK Global co., Ltd
20115 271 647 Charter Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 8:24 12:1597 13:1 15:10 16:2
17:3 18:3 20:27 24:1079 30:3 32:65
38:155 40:54 44:4 47:2 52:4 55:1
56:3 57:23 58:156 59:69 60:122 61:744
62:762 63:1894 64:2869 65:2079 66:2913 67:615
68:613 69:1219 70:187 71:17 72:393 80:611
81:523 82:472 83:305 84:247 85:334 86:118
87:16 125:8 128:158 129:167 130:96 131:293
132:36 133:1 134:145 135:43 136:151 137:66
138:165 139:61 140:429 141:105 142:145 143:140
144:218 145:34 146:297 147:118 148:301 149:181
150:108 151:72 152:113 153:89 154:5 155:137
156:80 157:118 158:164 159:171 160:85 161:74
162:231 163:132 164:181 165:187 166:154 167:252
168:436 169:142 170:315 171:8 190:1 192:5688
193:3303 194:2419 195:1561 196:678 198:3875 199:3264
200:4179 201:328 202:6108 203:6411 204:3791 205:2021
206:2444 207:2777 208:2038 209:3388 210:1665 211:822
212:1211 213:1368 214:299 215:36 216:3694 217:1139
218:220 219:138 220:485 221:278 222:126
End of report
