Routing Table Report 04:00 +10GMT Thu 01 Sep, 2005
Analysis Summary
----------------
BGP routing table entries examined: 169082
Prefixes after maximum aggregation: 97042
Unique aggregates announced to Internet: 81780
Total ASes present in the Internet Routing Table: 20373
Origin-only ASes present in the Internet Routing Table: 17745
Origin ASes announcing only one prefix: 8399
Transit ASes present in the Internet Routing Table: 2628
Transit-only ASes present in the Internet Routing Table: 69
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: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1414394624
Equivalent to 84 /8s, 77 /16s and 243 /24s
Percentage of available address space announced: 38.2
Percentage of allocated address space announced: 57.5
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80301
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35079
Total APNIC prefixes after maximum aggregation: 15822
Prefixes being announced from the APNIC address blocks: 32951
Unique aggregates announced from the APNIC address blocks: 16516
APNIC Region origin ASes present in the Internet Routing Table: 2346
APNIC Region origin ASes announcing only one prefix: 697
APNIC Region transit ASes present in the Internet Routing Table: 352
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 196023552
Equivalent to 11 /8s, 175 /16s and 21 /24s
Percentage of available APNIC address space announced: 72.7
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: 90215
Total ARIN prefixes after maximum aggregation: 54959
Prefixes being announced from the ARIN address blocks: 70567
Unique aggregates announced from the ARIN address blocks: 25937
ARIN Region origin ASes present in the Internet Routing Table: 10154
ARIN Region origin ASes announcing only one prefix: 3749
ARIN Region transit ASes present in the Internet Routing Table: 941
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 263146240
Equivalent to 15 /8s, 175 /16s and 75 /24s
Percentage of available ARIN address space announced: 65.4
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: 32683
Total RIPE prefixes after maximum aggregation: 22298
Prefixes being announced from the RIPE address blocks: 29723
Unique aggregates announced from the RIPE address blocks: 20040
RIPE Region origin ASes present in the Internet Routing Table: 7041
RIPE Region origin ASes announcing only one prefix: 3715
RIPE Region transit ASes present in the Internet Routing Table: 1166
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 216798720
Equivalent to 12 /8s, 236 /16s and 22 /24s
Percentage of available RIPE address space announced: 64.6
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
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: 9391
Total LACNIC prefixes after maximum aggregation: 3172
Prefixes being announced from the LACNIC address blocks: 7744
Unique aggregates announced from the LACNIC address blocks: 4455
LACNIC Region origin ASes present in the Internet Routing Table: 635
LACNIC Region origin ASes announcing only one prefix: 197
LACNIC Region transit ASes present in the Internet Routing Table: 118
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 21903360
Equivalent to 1 /8s, 78 /16s and 56 /24s
Percentage of available LACNIC address space announced: 32.6
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: 1691
Total AfriNIC prefixes after maximum aggregation: 791
Prefixes being announced from the AfriNIC address blocks: 1028
Unique aggregates announced from the AfriNIC address blocks: 787
AfriNIC Region origin ASes present in the Internet Routing Table: 135
AfriNIC Region origin ASes announcing only one prefix: 41
AfriNIC Region transit ASes present in the Internet Routing Table: 18
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2647040
Equivalent to 0 /8s, 40 /16s and 100 /24s
Percentage of available AfriNIC address space announced: 7.9
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 960 5596 196 CHINANET-BACKBONE
9583 781 77 14 Sify Limited
1221 748 1327 518 Telstra Pty Ltd
4755 700 259 64 Videsh Sanchar Nigam Ltd. Aut
4766 602 3927 285 Korea Telecom (KIX)
7545 518 108 73 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 386 84 79 Primus Telecommunications
2907 337 1788 314 SINET Japan
9498 337 115 59 BHARTI BT INTERNET LTD.
9929 334 224 46 China Netcom Corp.
17557 325 23 153 Pakistan Telecom
17488 319 19 8 Hathway IP Over Cable Interne
7474 317 257 220 SingTel Optus Pty Ltd
4802 298 53 159 Wantree Development
18302 296 109 160 SK Global co., Ltd
9837 273 79 176 Powertel Ltd
17974 265 65 14 PT TELEKOMUNIKASI INDONESIA
703 258 262 208 UUNET - Commercial IP service
9800 250 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1510 6374 979 AT&T WorldNet Services
4323 1157 704 221 Time Warner Telecom
174 1115 5852 1020 Cogent Communications
721 1078 21922 310 DLA Systems Automation Center
701 1005 8153 852 UUNET Technologies, Inc.
6197 947 503 446 BellSouth Network Solutions,
2386 897 512 667 AT&T Data Communications Serv
1239 867 2851 612 Sprint
18566 840 224 20 Covad Communications
209 625 3454 489 Qwest
20115 623 487 327 Charter Communications
3356 573 10661 444 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 553 125 106 Sprint Canada, Inc.
3561 541 2417 422 Savvis
22773 503 1352 27 Cox Communications, Inc.
5668 498 115 23 CenturyTel Internet Holdings,
6198 470 417 228 BellSouth Network Solutions,
7132 454 4947 388 SBC Internet Services
19262 450 1370 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 590 2000 481 UUNET - Commercial IP service
3301 297 1081 283 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 263 474 259 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 232 261 213 Romania Data Systems S.A.
3246 229 469 222 Song Networks
1257 201 712 175 SWIPnet Swedish IP Network
9121 184 287 40 TTnet Autonomous System
6746 182 50 158 Dynamic Network Technologies,
5515 181 778 127 Sonera Solution Autonomous Sy
786 174 1794 174 The JANET IP Service
3269 172 1558 68 TELECOM ITALIA
5400 167 289 141 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 155 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 138 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 395 650 167 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 242 83 57 Servicios Alestra S.A de C.V
6147 194 110 21 Telefonica Del Peru
11664 191 20 23 Keytech SA
19632 173 14 5 Metropolis Intercom S.A.
22047 172 128 7 VTR PUNTO NET S.A.
14117 152 9 5 Telefonica del Sur S.A.
7303 143 68 15 Telecom Argentina Stet-France
11556 131 64 3 Cable-Wireless Panama
6505 122 89 86 Global One Communicaoes Ltda
19169 121 8 25 Telconet
10481 120 48 8 Prima S.A.
6503 114 148 75 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
13999 108 52 9 Mega Cable S.A. de C.V.
5639 103 12 9 Telecommunications Services o
21826 103 13 15 INTERCABLE
11311 97 8 14 Sinectis S.A.
23216 95 24 19 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 264 693 222 The Internet Solution
5536 121 8 14 Internet Egypt Network
8452 106 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 88 84 4 Nile Online
2905 76 210 69 The Internetworking Company o
20928 58 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 38 3 4 UUNET Kenya
12455 31 5 6 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
8524 23 1 3 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1157 936 Time Warner Telecom
18566 840 820 Covad Communications
721 1078 768 DLA Systems Automation Center
9583 781 767 Sify Limited
4134 960 764 CHINANET-BACKBONE
4755 700 636 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
6197 947 501 BellSouth Network Solutions,
22773 503 476 Cox Communications, Inc.
5668 498 475 CenturyTel Internet Holdings,
3602 553 447 Sprint Canada, Inc.
7545 518 445 TPG Internet Pty Ltd
17676 465 366 Softbank BB Corp.
6467 428 355 E.Spire Communications, Inc.
19262 450 330 Verizon Global Networks
4766 602 317 Korea Telecom (KIX)
11492 324 317 Cable One
17488 319 311 Hathway IP Over Cable Interne
9443 386 307 Primus Telecommunications
15270 332 305 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65230 PRIVATE 86.104.116.0/24 34050 Fiber Net Communicat
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
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 /9:3 /10:8 /11:17 /12:77
/13:171 /14:320 /15:620 /16:8474 /17:2707 /18:4603
/19:10677 /20:11669 /21:9760 /22:13147 /23:14050 /24:91790
/25:327 /26:312 /27:174 /28:46 /29:22 /30:61
/31:1 /32:29
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 825 840 Covad Communications
6197 770 947 BellSouth Network Solutions,
7018 716 1510 AT&T WorldNet Services
2386 608 897 AT&T Data Communications Serv
9583 602 781 Sify Limited
4323 554 1157 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 419 602 Korea Telecom (KIX)
5668 405 498 CenturyTel Internet Holdings,
1239 365 867 Sprint
19916 364 370 OLM LLC
702 363 590 UUNET - Commercial IP service
7011 346 401 Citizens Utilities
6198 343 470 BellSouth Network Solutions,
11492 316 324 Cable One
6517 303 329 Yipes Communications, Inc.
15270 302 332 PaeTec.net -a division of Pae
701 285 1005 UUNET Technologies, Inc.
6467 282 428 E.Spire Communications, Inc.
18302 281 296 SK Global co., Ltd
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:23 11:1 12:1575 13:1 15:9
16:2 17:3 18:3 20:22 24:1065 30:3
32:61 33:1 38:145 40:56 44:4 47:2
52:4 55:1 56:3 57:23 58:155 59:63
60:119 61:700 62:765 63:1887 64:2836 65:2070
66:2888 67:597 68:573 69:1167 70:172 71:12
72:348 80:612 81:535 82:464 83:301 84:227
85:298 86:93 87:9 128:144 129:168 130:95
131:292 132:37 133:1 134:143 135:42 136:151
137:65 138:165 139:61 140:374 141:105 142:145
143:135 144:212 145:34 146:289 147:115 148:298
149:182 150:107 151:61 152:108 153:88 154:5
155:144 156:80 157:96 158:167 159:170 160:85
161:72 162:221 163:112 164:188 165:195 166:153
167:247 168:438 169:142 170:317 171:8 190:1
192:5720 193:3272 194:2403 195:1573 196:653 198:3856
199:3284 200:4155 201:281 202:6057 203:6371 204:3764
205:2065 206:2457 207:2824 208:2030 209:3338 210:1686
211:796 212:1210 213:1339 214:288 215:35 216:3674
217:1121 218:216 219:136 220:442 221:258 222:123
End of report
Routing Table Report 04:00 +10GMT Wed 31 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 168857
Prefixes after maximum aggregation: 96980
Unique aggregates announced to Internet: 81700
Total ASes present in the Internet Routing Table: 20360
Origin-only ASes present in the Internet Routing Table: 17730
Origin ASes announcing only one prefix: 8387
Transit ASes present in the Internet Routing Table: 2630
Transit-only ASes present in the Internet Routing Table: 70
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: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1412699392
Equivalent to 84 /8s, 52 /16s and 21 /24s
Percentage of available address space announced: 38.1
Percentage of allocated address space announced: 57.4
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80202
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35006
Total APNIC prefixes after maximum aggregation: 15786
Prefixes being announced from the APNIC address blocks: 32870
Unique aggregates announced from the APNIC address blocks: 16467
APNIC Region origin ASes present in the Internet Routing Table: 2344
APNIC Region origin ASes announcing only one prefix: 693
APNIC Region transit ASes present in the Internet Routing Table: 353
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 195410176
Equivalent to 11 /8s, 165 /16s and 185 /24s
Percentage of available APNIC address space announced: 72.5
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: 90140
Total ARIN prefixes after maximum aggregation: 54938
Prefixes being announced from the ARIN address blocks: 70486
Unique aggregates announced from the ARIN address blocks: 25949
ARIN Region origin ASes present in the Internet Routing Table: 10150
ARIN Region origin ASes announcing only one prefix: 3744
ARIN Region transit ASes present in the Internet Routing Table: 944
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 262560000
Equivalent to 15 /8s, 166 /16s and 89 /24s
Percentage of available ARIN address space announced: 65.2
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: 32638
Total RIPE prefixes after maximum aggregation: 22282
Prefixes being announced from the RIPE address blocks: 29684
Unique aggregates announced from the RIPE address blocks: 20014
RIPE Region origin ASes present in the Internet Routing Table: 7035
RIPE Region origin ASes announcing only one prefix: 3713
RIPE Region transit ASes present in the Internet Routing Table: 1165
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 216526592
Equivalent to 12 /8s, 231 /16s and 239 /24s
Percentage of available RIPE address space announced: 64.5
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
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: 9346
Total LACNIC prefixes after maximum aggregation: 3177
Prefixes being announced from the LACNIC address blocks: 7709
Unique aggregates announced from the LACNIC address blocks: 4440
LACNIC Region origin ASes present in the Internet Routing Table: 634
LACNIC Region origin ASes announcing only one prefix: 197
LACNIC Region transit ASes present in the Internet Routing Table: 117
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 21885184
Equivalent to 1 /8s, 77 /16s and 241 /24s
Percentage of available LACNIC address space announced: 32.6
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: 1704
Total AfriNIC prefixes after maximum aggregation: 797
Prefixes being announced from the AfriNIC address blocks: 1031
Unique aggregates announced from the AfriNIC address blocks: 788
AfriNIC Region origin ASes present in the Internet Routing Table: 134
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: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2647296
Equivalent to 0 /8s, 40 /16s and 101 /24s
Percentage of available AfriNIC address space announced: 7.9
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 960 5596 196 CHINANET-BACKBONE
9583 775 77 14 Sify Limited
1221 748 1325 519 Telstra Pty Ltd
4755 699 259 64 Videsh Sanchar Nigam Ltd. Aut
4766 602 3927 285 Korea Telecom (KIX)
7545 518 108 73 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 386 84 79 Primus Telecommunications
9498 338 115 59 BHARTI BT INTERNET LTD.
2907 337 1788 314 SINET Japan
9929 334 224 46 China Netcom Corp.
17557 326 23 154 Pakistan Telecom
7474 317 257 220 SingTel Optus Pty Ltd
17488 314 18 7 Hathway IP Over Cable Interne
18302 301 109 157 SK Global co., Ltd
4802 297 53 158 Wantree Development
9837 275 79 177 Powertel Ltd
17974 265 65 14 PT TELEKOMUNIKASI INDONESIA
703 258 262 208 UUNET - Commercial IP service
9800 250 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1516 6375 982 AT&T WorldNet Services
4323 1157 704 221 Time Warner Telecom
174 1124 5853 1027 Cogent Communications
721 1074 21922 310 DLA Systems Automation Center
701 1002 8153 850 UUNET Technologies, Inc.
6197 947 503 446 BellSouth Network Solutions,
2386 888 511 660 AT&T Data Communications Serv
1239 867 2851 612 Sprint
18566 840 224 20 Covad Communications
209 623 3453 487 Qwest
20115 623 487 327 Charter Communications
3356 574 10661 445 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 553 125 106 Sprint Canada, Inc.
3561 541 2417 422 Savvis
22773 522 1352 27 Cox Communications, Inc.
5668 493 115 23 CenturyTel Internet Holdings,
6198 470 417 228 BellSouth Network Solutions,
7132 454 4947 388 SBC Internet Services
19262 450 1370 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 593 2000 484 UUNET - Commercial IP service
3301 298 1081 284 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 263 474 259 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 232 261 213 Romania Data Systems S.A.
3246 229 469 222 Song Networks
1257 201 712 175 SWIPnet Swedish IP Network
6746 182 50 158 Dynamic Network Technologies,
5515 181 778 127 Sonera Solution Autonomous Sy
9121 179 285 45 TTnet Autonomous System
786 174 1794 174 The JANET IP Service
3269 170 1526 67 TELECOM ITALIA
5400 167 289 141 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 139 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 394 650 165 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 243 87 58 Servicios Alestra S.A de C.V
6147 194 110 21 Telefonica Del Peru
11664 191 20 23 Keytech SA
19632 173 14 5 Metropolis Intercom S.A.
22047 172 128 7 VTR PUNTO NET S.A.
14117 152 9 5 Telefonica del Sur S.A.
7303 143 68 15 Telecom Argentina Stet-France
11556 131 64 3 Cable-Wireless Panama
6505 123 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
6503 114 148 75 AVANTEL, S.A.
18822 111 7 15 TELEFONICA MANQUEHUE
13999 107 52 9 Mega Cable S.A. de C.V.
5639 103 12 9 Telecommunications Services o
21826 103 13 15 INTERCABLE
23216 96 24 20 RAMtelecom Telecomunicaciones
22927 88 81 28 TELEFONICA DE ARGENTINA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 264 693 222 The Internet Solution
5536 121 8 14 Internet Egypt Network
8452 106 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 93 84 4 Nile Online
2905 77 210 69 The Internetworking Company o
20928 58 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 38 3 4 UUNET Kenya
12455 33 5 6 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
8524 22 1 6 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
21280 22 4 5 Swift Global Kenya Ltd.Is an
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1157 936 Time Warner Telecom
18566 840 820 Covad Communications
721 1074 764 DLA Systems Automation Center
4134 960 764 CHINANET-BACKBONE
9583 775 761 Sify Limited
4755 699 635 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
6197 947 501 BellSouth Network Solutions,
22773 522 495 Cox Communications, Inc.
5668 493 470 CenturyTel Internet Holdings,
3602 553 447 Sprint Canada, Inc.
7545 518 445 TPG Internet Pty Ltd
17676 465 366 Softbank BB Corp.
6467 425 353 E.Spire Communications, Inc.
19262 450 330 Verizon Global Networks
4766 602 317 Korea Telecom (KIX)
11492 324 317 Cable One
9443 386 307 Primus Telecommunications
17488 314 307 Hathway IP Over Cable Interne
15270 332 305 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65230 PRIVATE 86.104.116.0/24 34050 Fiber Net Communicat
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
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 /9:3 /10:8 /11:17 /12:77
/13:171 /14:320 /15:616 /16:8456 /17:2699 /18:4566
/19:10656 /20:11687 /21:9740 /22:13129 /23:14032 /24:91654
/25:329 /26:314 /27:175 /28:48 /29:28 /30:79
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 825 840 Covad Communications
6197 770 947 BellSouth Network Solutions,
7018 721 1516 AT&T WorldNet Services
2386 599 888 AT&T Data Communications Serv
9583 597 775 Sify Limited
4323 554 1157 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 419 602 Korea Telecom (KIX)
5668 400 493 CenturyTel Internet Holdings,
702 366 593 UUNET - Commercial IP service
1239 365 867 Sprint
19916 364 370 OLM LLC
7011 346 401 Citizens Utilities
6198 343 470 BellSouth Network Solutions,
11492 316 324 Cable One
6517 303 329 Yipes Communications, Inc.
15270 302 332 PaeTec.net -a division of Pae
18302 286 301 SK Global co., Ltd
701 283 1002 UUNET Technologies, Inc.
11456 280 316 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:23 11:1 12:1571 13:1 15:9
16:2 17:3 18:3 20:22 24:1065 30:3
32:61 33:1 38:144 40:56 44:4 47:2
52:4 55:1 56:3 57:23 58:155 59:64
60:114 61:720 62:771 63:1891 64:2831 65:2065
66:2883 67:598 68:574 69:1160 70:169 71:12
72:346 80:602 81:533 82:464 83:301 84:226
85:297 86:93 87:9 128:142 129:168 130:94
131:292 132:37 133:1 134:144 135:42 136:150
137:64 138:165 139:61 140:400 141:105 142:144
143:135 144:201 145:34 146:292 147:111 148:298
149:182 150:107 151:59 152:108 153:88 154:5
155:143 156:80 157:97 158:167 159:167 160:85
161:72 162:222 163:113 164:188 165:194 166:153
167:247 168:437 169:142 170:317 171:8 190:1
192:5721 193:3271 194:2399 195:1579 196:656 198:3849
199:3278 200:4125 201:278 202:6061 203:6360 204:3771
205:2057 206:2452 207:2828 208:2035 209:3324 210:1660
211:788 212:1216 213:1355 214:287 215:35 216:3630
217:1119 218:216 219:136 220:441 221:255 222:123
End of report
Routing Table Report 04:00 +10GMT Tue 30 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 168877
Prefixes after maximum aggregation: 96936
Unique aggregates announced to Internet: 81596
Total ASes present in the Internet Routing Table: 20369
Origin-only ASes present in the Internet Routing Table: 17735
Origin ASes announcing only one prefix: 8392
Transit ASes present in the Internet Routing Table: 2634
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: 19
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1412731392
Equivalent to 84 /8s, 52 /16s and 146 /24s
Percentage of available address space announced: 38.1
Percentage of allocated address space announced: 57.4
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80172
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35034
Total APNIC prefixes after maximum aggregation: 15801
Prefixes being announced from the APNIC address blocks: 32900
Unique aggregates announced from the APNIC address blocks: 16473
APNIC Region origin ASes present in the Internet Routing Table: 2347
APNIC Region origin ASes announcing only one prefix: 695
APNIC Region transit ASes present in the Internet Routing Table: 353
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 195881216
Equivalent to 11 /8s, 172 /16s and 233 /24s
Percentage of available APNIC address space announced: 72.7
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: 90086
Total ARIN prefixes after maximum aggregation: 54918
Prefixes being announced from the ARIN address blocks: 70434
Unique aggregates announced from the ARIN address blocks: 25834
ARIN Region origin ASes present in the Internet Routing Table: 10160
ARIN Region origin ASes announcing only one prefix: 3746
ARIN Region transit ASes present in the Internet Routing Table: 948
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 262353152
Equivalent to 15 /8s, 163 /16s and 49 /24s
Percentage of available ARIN address space announced: 65.2
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: 32649
Total RIPE prefixes after maximum aggregation: 22250
Prefixes being announced from the RIPE address blocks: 29709
Unique aggregates announced from the RIPE address blocks: 20002
RIPE Region origin ASes present in the Internet Routing Table: 7031
RIPE Region origin ASes announcing only one prefix: 3715
RIPE Region transit ASes present in the Internet Routing Table: 1164
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 216599552
Equivalent to 12 /8s, 233 /16s and 12 /24s
Percentage of available RIPE address space announced: 64.6
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
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: 9382
Total LACNIC prefixes after maximum aggregation: 3175
Prefixes being announced from the LACNIC address blocks: 7738
Unique aggregates announced from the LACNIC address blocks: 4474
LACNIC Region origin ASes present in the Internet Routing Table: 633
LACNIC Region origin ASes announcing only one prefix: 196
LACNIC Region transit ASes present in the Internet Routing Table: 118
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 21798912
Equivalent to 1 /8s, 76 /16s and 160 /24s
Percentage of available LACNIC address space announced: 32.5
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: 1702
Total AfriNIC prefixes after maximum aggregation: 792
Prefixes being announced from the AfriNIC address blocks: 1023
Unique aggregates announced from the AfriNIC address blocks: 785
AfriNIC Region origin ASes present in the Internet Routing Table: 134
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2638848
Equivalent to 0 /8s, 40 /16s and 68 /24s
Percentage of available AfriNIC address space announced: 7.9
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 960 5596 196 CHINANET-BACKBONE
9583 768 77 14 Sify Limited
1221 752 1327 522 Telstra Pty Ltd
4755 698 259 64 Videsh Sanchar Nigam Ltd. Aut
4766 602 3927 285 Korea Telecom (KIX)
7545 515 108 71 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 386 84 79 Primus Telecommunications
9498 337 99 59 BHARTI BT INTERNET LTD.
2907 336 1788 313 SINET Japan
9929 334 224 46 China Netcom Corp.
17557 326 23 154 Pakistan Telecom
7474 317 257 220 SingTel Optus Pty Ltd
17488 314 18 7 Hathway IP Over Cable Interne
18302 301 109 157 SK Global co., Ltd
4802 296 53 157 Wantree Development
9837 277 80 179 Powertel Ltd
17974 265 65 14 PT TELEKOMUNIKASI INDONESIA
703 258 262 208 UUNET - Commercial IP service
9800 250 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1509 6359 981 AT&T WorldNet Services
4323 1156 704 221 Time Warner Telecom
174 1121 5853 1024 Cogent Communications
721 1077 21922 310 DLA Systems Automation Center
701 1001 8153 851 UUNET Technologies, Inc.
6197 947 503 446 BellSouth Network Solutions,
2386 887 511 659 AT&T Data Communications Serv
1239 866 2851 612 Sprint
18566 840 227 10 Covad Communications
209 624 3454 488 Qwest
20115 623 487 327 Charter Communications
3356 574 10661 445 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 549 125 106 Sprint Canada, Inc.
3561 532 2416 420 Savvis
22773 522 1352 27 Cox Communications, Inc.
5668 501 115 23 CenturyTel Internet Holdings,
6198 470 417 228 BellSouth Network Solutions,
7132 455 4948 389 SBC Internet Services
19262 449 1370 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 592 2000 483 UUNET - Commercial IP service
3301 298 1081 284 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 263 474 259 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 232 261 213 Romania Data Systems S.A.
3246 229 469 222 Song Networks
1257 201 712 175 SWIPnet Swedish IP Network
6746 182 50 158 Dynamic Network Technologies,
5515 181 778 127 Sonera Solution Autonomous Sy
9121 179 284 39 TTnet Autonomous System
786 174 1794 174 The JANET IP Service
3269 170 1526 67 TELECOM ITALIA
5400 167 289 141 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 139 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 396 650 167 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 243 87 58 Servicios Alestra S.A de C.V
6147 194 110 21 Telefonica Del Peru
11664 191 20 23 Keytech SA
19632 173 14 5 Metropolis Intercom S.A.
22047 172 128 7 VTR PUNTO NET S.A.
14117 152 9 5 Telefonica del Sur S.A.
7303 143 68 15 Telecom Argentina Stet-France
11556 131 64 3 Cable-Wireless Panama
6505 123 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
6503 114 148 75 AVANTEL, S.A.
18822 110 7 14 TELEFONICA MANQUEHUE
13999 107 52 9 Mega Cable S.A. de C.V.
5639 103 12 9 Telecommunications Services o
21826 103 13 15 INTERCABLE
11311 96 8 13 Sinectis S.A.
23216 96 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 264 693 222 The Internet Solution
5536 121 8 14 Internet Egypt Network
8452 103 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 93 84 4 Nile Online
2905 77 210 69 The Internetworking Company o
20928 58 16 2 Noor Advanced Technologies AS
24835 58 34 7 RAYA Telecom - Egypt
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 42 3 3 UUNET Kenya
12455 33 5 6 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
8524 23 1 3 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
15804 18 2 1 AS of The Way Out Internet So
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 1156 935 Time Warner Telecom
18566 840 830 Covad Communications
721 1077 767 DLA Systems Automation Center
4134 960 764 CHINANET-BACKBONE
9583 768 754 Sify Limited
4755 698 634 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
6197 947 501 BellSouth Network Solutions,
22773 522 495 Cox Communications, Inc.
5668 501 478 CenturyTel Internet Holdings,
7545 515 444 TPG Internet Pty Ltd
3602 549 443 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 429 356 E.Spire Communications, Inc.
19262 449 329 Verizon Global Networks
4766 602 317 Korea Telecom (KIX)
11492 324 317 Cable One
9443 386 307 Primus Telecommunications
17488 314 307 Hathway IP Over Cable Interne
15270 332 305 PaeTec.net -a division of Pae
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
65230 PRIVATE 86.104.116.0/24 34050 Fiber Net Communicat
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
63946 RESERVED 204.222.174.0/23 268 Uniformed Services U
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 /9:3 /10:8 /11:17 /12:77
/13:171 /14:320 /15:615 /16:8461 /17:2704 /18:4606
/19:10662 /20:11688 /21:9733 /22:13129 /23:13996 /24:91660
/25:330 /26:314 /27:175 /28:48 /29:27 /30:80
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 824 840 Covad Communications
6197 770 947 BellSouth Network Solutions,
7018 717 1509 AT&T WorldNet Services
2386 598 887 AT&T Data Communications Serv
9583 588 768 Sify Limited
4323 554 1156 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 419 602 Korea Telecom (KIX)
5668 405 501 CenturyTel Internet Holdings,
702 365 592 UUNET - Commercial IP service
1239 364 866 Sprint
19916 364 370 OLM LLC
7011 346 402 Citizens Utilities
6198 343 470 BellSouth Network Solutions,
11492 316 324 Cable One
6517 303 329 Yipes Communications, Inc.
15270 302 332 PaeTec.net -a division of Pae
18302 286 301 SK Global co., Ltd
6467 283 429 E.Spire Communications, Inc.
701 280 1001 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:22 11:1 12:1568 13:1 15:9
16:2 17:3 18:3 20:22 24:1064 30:3
32:60 33:1 38:143 40:55 44:4 47:2
52:4 55:1 56:3 57:23 58:154 59:64
60:114 61:720 62:766 63:1877 64:2830 65:2067
66:2887 67:600 68:568 69:1161 70:167 71:12
72:348 80:597 81:536 82:463 83:301 84:226
85:295 86:90 87:9 128:150 129:167 130:94
131:290 132:37 133:1 134:144 135:42 136:150
137:64 138:163 139:61 140:402 141:105 142:142
143:135 144:193 145:34 146:292 147:110 148:297
149:180 150:107 151:60 152:108 153:88 154:5
155:143 156:80 157:100 158:167 159:167 160:87
161:71 162:220 163:112 164:187 165:194 166:153
167:246 168:439 169:142 170:317 171:8 190:1
192:5723 193:3268 194:2401 195:1594 196:655 198:3858
199:3283 200:4157 201:276 202:6051 203:6362 204:3768
205:2060 206:2445 207:2807 208:2039 209:3326 210:1646
211:787 212:1242 213:1359 214:294 215:35 216:3627
217:1122 218:214 219:136 220:440 221:254 222:123
End of report
Routing Table Report 04:00 +10GMT Mon 29 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 169066
Prefixes after maximum aggregation: 97003
Unique aggregates announced to Internet: 81661
Total ASes present in the Internet Routing Table: 20379
Origin-only ASes present in the Internet Routing Table: 17738
Origin ASes announcing only one prefix: 8395
Transit ASes present in the Internet Routing Table: 2641
Transit-only ASes present in the Internet Routing Table: 75
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: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1412067072
Equivalent to 84 /8s, 42 /16s and 111 /24s
Percentage of available address space announced: 38.1
Percentage of allocated address space announced: 57.4
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80231
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35038
Total APNIC prefixes after maximum aggregation: 15794
Prefixes being announced from the APNIC address blocks: 32895
Unique aggregates announced from the APNIC address blocks: 16469
APNIC Region origin ASes present in the Internet Routing Table: 2344
APNIC Region origin ASes announcing only one prefix: 695
APNIC Region transit ASes present in the Internet Routing Table: 353
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 195569152
Equivalent to 11 /8s, 168 /16s and 38 /24s
Percentage of available APNIC address space announced: 72.6
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: 90357
Total ARIN prefixes after maximum aggregation: 54992
Prefixes being announced from the ARIN address blocks: 70704
Unique aggregates announced from the ARIN address blocks: 25933
ARIN Region origin ASes present in the Internet Routing Table: 10172
ARIN Region origin ASes announcing only one prefix: 3753
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: 20
Number of ARIN addresses announced to Internet: 262452480
Equivalent to 15 /8s, 164 /16s and 181 /24s
Percentage of available ARIN address space announced: 65.2
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: 32617
Total RIPE prefixes after maximum aggregation: 22252
Prefixes being announced from the RIPE address blocks: 29644
Unique aggregates announced from the RIPE address blocks: 19981
RIPE Region origin ASes present in the Internet Routing Table: 7027
RIPE Region origin ASes announcing only one prefix: 3711
RIPE Region transit ASes present in the Internet Routing Table: 1164
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 215505152
Equivalent to 12 /8s, 216 /16s and 89 /24s
Percentage of available RIPE address space announced: 64.2
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
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: 9366
Total LACNIC prefixes after maximum aggregation: 3176
Prefixes being announced from the LACNIC address blocks: 7730
Unique aggregates announced from the LACNIC address blocks: 4447
LACNIC Region origin ASes present in the Internet Routing Table: 634
LACNIC Region origin ASes announcing only one prefix: 197
LACNIC Region transit ASes present in the Internet Routing Table: 117
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 21820672
Equivalent to 1 /8s, 76 /16s and 245 /24s
Percentage of available LACNIC address space announced: 32.5
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: 1668
Total AfriNIC prefixes after maximum aggregation: 789
Prefixes being announced from the AfriNIC address blocks: 1017
Unique aggregates announced from the AfriNIC address blocks: 786
AfriNIC Region origin ASes present in the Internet Routing Table: 133
AfriNIC Region origin ASes announcing only one prefix: 39
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2636544
Equivalent to 0 /8s, 40 /16s and 59 /24s
Percentage of available AfriNIC address space announced: 7.9
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 957 5524 194 CHINANET-BACKBONE
9583 757 77 14 Sify Limited
1221 751 1326 521 Telstra Pty Ltd
4755 698 259 64 Videsh Sanchar Nigam Ltd. Aut
4766 602 3927 285 Korea Telecom (KIX)
7545 516 108 72 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 386 84 79 Primus Telecommunications
9498 338 99 59 BHARTI BT INTERNET LTD.
2907 336 1788 313 SINET Japan
9929 334 224 46 China Netcom Corp.
17557 326 23 154 Pakistan Telecom
7474 317 257 220 SingTel Optus Pty Ltd
17488 314 18 7 Hathway IP Over Cable Interne
18302 298 109 158 SK Global co., Ltd
4802 295 53 156 Wantree Development
9837 277 80 179 Powertel Ltd
17974 265 65 14 PT TELEKOMUNIKASI INDONESIA
703 258 262 208 UUNET - Commercial IP service
9800 250 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1514 6361 981 AT&T WorldNet Services
4323 1156 704 221 Time Warner Telecom
174 1123 5853 1026 Cogent Communications
721 1087 21906 310 DLA Systems Automation Center
701 1001 8153 852 UUNET Technologies, Inc.
6197 946 503 445 BellSouth Network Solutions,
2386 896 527 660 AT&T Data Communications Serv
1239 868 2851 614 Sprint
18566 838 226 8 Covad Communications
20115 641 503 324 Charter Communications
209 623 3454 487 Qwest
3356 574 10661 445 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 549 125 106 Sprint Canada, Inc.
3561 532 2416 420 Savvis
22773 524 1352 27 Cox Communications, Inc.
5668 501 115 23 CenturyTel Internet Holdings,
6198 467 417 227 BellSouth Network Solutions,
7132 455 4948 389 SBC Internet Services
19262 450 1370 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 588 1999 479 UUNET - Commercial IP service
3301 299 1081 285 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 262 474 258 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 233 262 214 Romania Data Systems S.A.
3246 229 469 222 Song Networks
1257 201 712 175 SWIPnet Swedish IP Network
6746 182 50 158 Dynamic Network Technologies,
5515 181 778 127 Sonera Solution Autonomous Sy
786 174 1794 174 The JANET IP Service
9121 173 282 46 TTnet Autonomous System
3269 171 1528 68 TELECOM ITALIA
5400 167 289 141 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 139 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 395 650 166 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 243 87 58 Servicios Alestra S.A de C.V
6147 194 110 21 Telefonica Del Peru
11664 191 20 23 Keytech SA
19632 173 14 5 Metropolis Intercom S.A.
22047 172 128 7 VTR PUNTO NET S.A.
14117 152 9 5 Telefonica del Sur S.A.
7303 143 68 15 Telecom Argentina Stet-France
11556 131 64 3 Cable-Wireless Panama
6505 123 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
6503 113 148 74 AVANTEL, S.A.
18822 110 7 14 TELEFONICA MANQUEHUE
13999 107 52 9 Mega Cable S.A. de C.V.
5639 103 12 9 Telecommunications Services o
21826 103 13 15 INTERCABLE
11311 97 8 14 Sinectis S.A.
23216 96 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 262 685 220 The Internet Solution
5536 121 8 14 Internet Egypt Network
8452 101 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
2905 77 210 69 The Internetworking Company o
15475 68 84 4 Nile Online
24835 58 34 7 RAYA Telecom - Egypt
20928 57 16 2 Noor Advanced Technologies AS
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 42 3 3 UUNET Kenya
15706 31 8 3 Sudatel Internet Exchange Aut
12455 30 5 6 Jambonet Autonomous system
8524 23 1 3 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
15804 18 2 1 AS of The Way Out Internet So
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 1156 935 Time Warner Telecom
18566 838 830 Covad Communications
721 1087 777 DLA Systems Automation Center
4134 957 763 CHINANET-BACKBONE
9583 757 743 Sify Limited
4755 698 634 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
6197 946 501 BellSouth Network Solutions,
22773 524 497 Cox Communications, Inc.
5668 501 478 CenturyTel Internet Holdings,
7545 516 444 TPG Internet Pty Ltd
3602 549 443 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 426 353 E.Spire Communications, Inc.
19262 450 330 Verizon Global Networks
20115 641 317 Charter Communications
4766 602 317 Korea Telecom (KIX)
11492 324 317 Cable One
9443 386 307 Primus Telecommunications
17488 314 307 Hathway IP Over Cable Interne
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
63946 RESERVED 204.222.174.0/23 268 Uniformed Services U
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 /9:3 /10:8 /11:17 /12:76
/13:171 /14:319 /15:615 /16:8474 /17:2703 /18:4602
/19:10666 /20:11708 /21:9741 /22:13136 /23:14030 /24:91769
/25:329 /26:317 /27:175 /28:48 /29:27 /30:79
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 822 838 Covad Communications
6197 769 946 BellSouth Network Solutions,
7018 721 1514 AT&T WorldNet Services
2386 606 896 AT&T Data Communications Serv
9583 579 757 Sify Limited
4323 554 1156 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 419 602 Korea Telecom (KIX)
5668 405 501 CenturyTel Internet Holdings,
1239 365 868 Sprint
19916 364 370 OLM LLC
702 362 588 UUNET - Commercial IP service
7011 345 401 Citizens Utilities
6198 340 467 BellSouth Network Solutions,
11492 316 324 Cable One
6517 303 329 Yipes Communications, Inc.
15270 302 332 PaeTec.net -a division of Pae
18302 283 298 SK Global co., Ltd
6467 281 426 E.Spire Communications, Inc.
701 280 1001 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:22 11:1 12:1571 13:1 15:9
16:2 17:3 18:3 20:22 24:1064 30:3
32:60 33:1 38:143 40:55 44:4 47:2
52:4 55:1 56:3 57:23 58:154 59:64
60:114 61:720 62:716 63:1879 64:2831 65:2071
66:2903 67:600 68:582 69:1166 70:174 71:12
72:349 80:597 81:535 82:463 83:301 84:226
85:298 86:91 87:28 128:149 129:167 130:94
131:298 132:37 133:1 134:143 135:42 136:108
137:64 138:163 139:61 140:402 141:105 142:144
143:135 144:193 145:34 146:292 147:111 148:297
149:180 150:107 151:61 152:108 153:89 154:5
155:139 156:80 157:100 158:167 159:167 160:87
161:71 162:220 163:111 164:188 165:194 166:154
167:247 168:439 169:142 170:317 171:8 190:1
192:5742 193:3261 194:2393 195:1599 196:653 198:3867
199:3286 200:4144 201:277 202:6051 203:6367 204:3794
205:2072 206:2452 207:2833 208:2040 209:3334 210:1643
211:785 212:1240 213:1352 214:295 215:35 216:3669
217:1121 218:217 219:136 220:440 221:248 222:123
End of report
Routing Table Report 04:00 +10GMT Sun 28 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 169191
Prefixes after maximum aggregation: 96967
Unique aggregates announced to Internet: 81683
Total ASes present in the Internet Routing Table: 20381
Origin-only ASes present in the Internet Routing Table: 17743
Origin ASes announcing only one prefix: 8405
Transit ASes present in the Internet Routing Table: 2638
Transit-only ASes present in the Internet Routing Table: 75
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: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1411693824
Equivalent to 84 /8s, 36 /16s and 189 /24s
Percentage of available address space announced: 38.1
Percentage of allocated address space announced: 57.3
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80336
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35082
Total APNIC prefixes after maximum aggregation: 15798
Prefixes being announced from the APNIC address blocks: 32938
Unique aggregates announced from the APNIC address blocks: 16489
APNIC Region origin ASes present in the Internet Routing Table: 2344
APNIC Region origin ASes announcing only one prefix: 698
APNIC Region transit ASes present in the Internet Routing Table: 352
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 195539712
Equivalent to 11 /8s, 167 /16s and 179 /24s
Percentage of available APNIC address space announced: 72.6
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: 90423
Total ARIN prefixes after maximum aggregation: 54951
Prefixes being announced from the ARIN address blocks: 70703
Unique aggregates announced from the ARIN address blocks: 25940
ARIN Region origin ASes present in the Internet Routing Table: 10173
ARIN Region origin ASes announcing only one prefix: 3754
ARIN Region transit ASes present in the Internet Routing Table: 949
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 262479872
Equivalent to 15 /8s, 165 /16s and 32 /24s
Percentage of available ARIN address space announced: 65.2
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: 32615
Total RIPE prefixes after maximum aggregation: 22260
Prefixes being announced from the RIPE address blocks: 29673
Unique aggregates announced from the RIPE address blocks: 19990
RIPE Region origin ASes present in the Internet Routing Table: 7029
RIPE Region origin ASes announcing only one prefix: 3717
RIPE Region transit ASes present in the Internet Routing Table: 1164
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 215501824
Equivalent to 12 /8s, 216 /16s and 76 /24s
Percentage of available RIPE address space announced: 64.2
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
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: 9354
Total LACNIC prefixes after maximum aggregation: 3169
Prefixes being announced from the LACNIC address blocks: 7718
Unique aggregates announced from the LACNIC address blocks: 4439
LACNIC Region origin ASes present in the Internet Routing Table: 633
LACNIC Region origin ASes announcing only one prefix: 197
LACNIC Region transit ASes present in the Internet Routing Table: 117
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 21782272
Equivalent to 1 /8s, 76 /16s and 95 /24s
Percentage of available LACNIC address space announced: 32.5
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: 1697
Total AfriNIC prefixes after maximum aggregation: 789
Prefixes being announced from the AfriNIC address blocks: 1016
Unique aggregates announced from the AfriNIC address blocks: 786
AfriNIC Region origin ASes present in the Internet Routing Table: 133
AfriNIC Region origin ASes announcing only one prefix: 39
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2636544
Equivalent to 0 /8s, 40 /16s and 59 /24s
Percentage of available AfriNIC address space announced: 7.9
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 957 5524 194 CHINANET-BACKBONE
9583 757 77 14 Sify Limited
1221 751 1326 521 Telstra Pty Ltd
4755 701 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 602 3927 285 Korea Telecom (KIX)
7545 517 108 73 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 386 84 79 Primus Telecommunications
9498 338 99 59 BHARTI BT INTERNET LTD.
2907 336 1788 313 SINET Japan
9929 334 224 46 China Netcom Corp.
17557 326 23 154 Pakistan Telecom
7474 317 257 220 SingTel Optus Pty Ltd
17488 314 18 7 Hathway IP Over Cable Interne
18302 302 110 158 SK Global co., Ltd
4802 295 53 156 Wantree Development
9837 277 80 179 Powertel Ltd
17974 265 65 14 PT TELEKOMUNIKASI INDONESIA
703 258 262 208 UUNET - Commercial IP service
9800 250 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1517 6361 980 AT&T WorldNet Services
4323 1156 704 221 Time Warner Telecom
174 1124 5853 1027 Cogent Communications
721 1089 21890 312 DLA Systems Automation Center
701 999 8153 850 UUNET Technologies, Inc.
6197 945 502 444 BellSouth Network Solutions,
2386 896 527 660 AT&T Data Communications Serv
1239 869 2851 615 Sprint
18566 838 226 8 Covad Communications
20115 641 503 324 Charter Communications
209 612 3469 486 Qwest
3356 574 10661 445 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 549 125 106 Sprint Canada, Inc.
3561 532 2416 420 Savvis
22773 524 1352 27 Cox Communications, Inc.
5668 501 115 23 CenturyTel Internet Holdings,
6198 456 416 225 BellSouth Network Solutions,
7132 455 4948 389 SBC Internet Services
19262 450 1370 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 589 1999 480 UUNET - Commercial IP service
3301 299 1081 285 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 262 474 258 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 233 262 214 Romania Data Systems S.A.
3246 229 469 222 Song Networks
1257 201 712 175 SWIPnet Swedish IP Network
6746 182 49 158 Dynamic Network Technologies,
5515 181 778 127 Sonera Solution Autonomous Sy
786 174 1794 174 The JANET IP Service
9121 173 282 46 TTnet Autonomous System
3269 171 1528 68 TELECOM ITALIA
5400 167 289 141 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 139 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
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 242 87 58 Servicios Alestra S.A de C.V
6147 192 110 21 Telefonica Del Peru
11664 191 20 23 Keytech SA
19632 173 14 5 Metropolis Intercom S.A.
22047 172 128 7 VTR PUNTO NET S.A.
14117 152 9 5 Telefonica del Sur S.A.
7303 143 68 15 Telecom Argentina Stet-France
11556 131 64 3 Cable-Wireless Panama
6505 130 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
6503 114 148 75 AVANTEL, S.A.
18822 110 7 14 TELEFONICA MANQUEHUE
13999 107 52 9 Mega Cable S.A. de C.V.
5639 103 12 9 Telecommunications Services o
21826 103 13 15 INTERCABLE
11311 97 8 14 Sinectis S.A.
23216 96 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 262 685 220 The Internet Solution
5536 121 8 14 Internet Egypt Network
8452 101 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
15475 93 84 4 Nile Online
2905 77 210 69 The Internetworking Company o
24835 58 34 7 RAYA Telecom - Egypt
20928 57 16 2 Noor Advanced Technologies AS
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 42 3 3 UUNET Kenya
15706 31 8 3 Sudatel Internet Exchange Aut
12455 30 5 6 Jambonet Autonomous system
8524 23 1 3 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
15804 18 2 1 AS of The Way Out Internet So
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 1156 935 Time Warner Telecom
18566 838 830 Covad Communications
721 1089 777 DLA Systems Automation Center
4134 957 763 CHINANET-BACKBONE
9583 757 743 Sify Limited
4755 701 635 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
6197 945 501 BellSouth Network Solutions,
22773 524 497 Cox Communications, Inc.
5668 501 478 CenturyTel Internet Holdings,
7545 517 444 TPG Internet Pty Ltd
3602 549 443 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 418 345 E.Spire Communications, Inc.
19262 450 330 Verizon Global Networks
20115 641 317 Charter Communications
4766 602 317 Korea Telecom (KIX)
11492 324 317 Cable One
9443 386 307 Primus Telecommunications
17488 314 307 Hathway IP Over Cable Interne
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
63946 RESERVED 204.222.174.0/23 268 Uniformed Services U
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 /9:3 /10:8 /11:17 /12:76
/13:171 /14:319 /15:614 /16:8497 /17:2699 /18:4602
/19:10668 /20:11704 /21:9742 /22:13142 /23:14041 /24:91856
/25:329 /26:319 /27:176 /28:49 /29:27 /30:79
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 822 838 Covad Communications
6197 768 945 BellSouth Network Solutions,
7018 723 1517 AT&T WorldNet Services
2386 606 896 AT&T Data Communications Serv
9583 579 757 Sify Limited
4323 554 1156 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 419 602 Korea Telecom (KIX)
5668 405 501 CenturyTel Internet Holdings,
1239 366 869 Sprint
702 364 589 UUNET - Commercial IP service
19916 363 369 OLM LLC
7011 345 401 Citizens Utilities
6198 330 456 BellSouth Network Solutions,
11492 316 324 Cable One
6517 303 329 Yipes Communications, Inc.
15270 302 332 PaeTec.net -a division of Pae
18302 287 302 SK Global co., Ltd
701 280 999 UUNET Technologies, Inc.
11456 280 317 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:22 11:1 12:1569 13:1 15:9
16:2 17:3 18:3 20:22 24:1065 30:3
32:61 33:1 38:143 40:55 44:4 47:2
52:4 55:2 56:3 57:23 58:154 59:64
60:114 61:721 62:742 63:1877 64:2818 65:2067
66:2901 67:600 68:580 69:1166 70:172 71:12
72:349 80:597 81:540 82:465 83:301 84:226
85:286 86:91 87:28 128:152 129:167 130:94
131:298 132:37 133:1 134:144 135:42 136:149
137:64 138:163 139:61 140:402 141:105 142:144
143:134 144:193 145:34 146:292 147:111 148:297
149:180 150:107 151:61 152:108 153:89 154:5
155:143 156:80 157:99 158:167 159:167 160:87
161:72 162:220 163:111 164:188 165:194 166:154
167:247 168:439 169:142 170:316 171:8 190:1
192:5735 193:3267 194:2400 195:1597 196:653 198:3882
199:3289 200:4142 201:277 202:6059 203:6366 204:3795
205:2074 206:2455 207:2837 208:2035 209:3331 210:1657
211:786 212:1240 213:1358 214:292 215:35 216:3667
217:1118 218:217 219:136 220:440 221:248 222:123
End of report
Routing Table Report 04:00 +10GMT Sat 27 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 168976
Prefixes after maximum aggregation: 96929
Unique aggregates announced to Internet: 81611
Total ASes present in the Internet Routing Table: 20370
Origin-only ASes present in the Internet Routing Table: 17728
Origin ASes announcing only one prefix: 8403
Transit ASes present in the Internet Routing Table: 2642
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: 26
Prefixes from unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1411870976
Equivalent to 84 /8s, 39 /16s and 113 /24s
Percentage of available address space announced: 38.1
Percentage of allocated address space announced: 57.4
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80191
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35039
Total APNIC prefixes after maximum aggregation: 15773
Prefixes being announced from the APNIC address blocks: 32900
Unique aggregates announced from the APNIC address blocks: 16471
APNIC Region origin ASes present in the Internet Routing Table: 2342
APNIC Region origin ASes announcing only one prefix: 697
APNIC Region transit ASes present in the Internet Routing Table: 352
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 195514112
Equivalent to 11 /8s, 167 /16s and 79 /24s
Percentage of available APNIC address space announced: 72.6
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: 90319
Total ARIN prefixes after maximum aggregation: 54941
Prefixes being announced from the ARIN address blocks: 70576
Unique aggregates announced from the ARIN address blocks: 25937
ARIN Region origin ASes present in the Internet Routing Table: 10165
ARIN Region origin ASes announcing only one prefix: 3755
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: 20
Number of ARIN addresses announced to Internet: 262450432
Equivalent to 15 /8s, 164 /16s and 173 /24s
Percentage of available ARIN address space announced: 65.2
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: 32577
Total RIPE prefixes after maximum aggregation: 22250
Prefixes being announced from the RIPE address blocks: 29615
Unique aggregates announced from the RIPE address blocks: 19933
RIPE Region origin ASes present in the Internet Routing Table: 7027
RIPE Region origin ASes announcing only one prefix: 3716
RIPE Region transit ASes present in the Internet Routing Table: 1167
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 215275776
Equivalent to 12 /8s, 212 /16s and 217 /24s
Percentage of available RIPE address space announced: 64.2
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
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: 9341
Total LACNIC prefixes after maximum aggregation: 3176
Prefixes being announced from the LACNIC address blocks: 7698
Unique aggregates announced from the LACNIC address blocks: 4437
LACNIC Region origin ASes present in the Internet Routing Table: 633
LACNIC Region origin ASes announcing only one prefix: 196
LACNIC Region transit ASes present in the Internet Routing Table: 118
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 21781760
Equivalent to 1 /8s, 76 /16s and 93 /24s
Percentage of available LACNIC address space announced: 32.5
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: 1680
Total AfriNIC prefixes after maximum aggregation: 789
Prefixes being announced from the AfriNIC address blocks: 1014
Unique aggregates announced from the AfriNIC address blocks: 785
AfriNIC Region origin ASes present in the Internet Routing Table: 133
AfriNIC Region origin ASes announcing only one prefix: 39
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2636288
Equivalent to 0 /8s, 40 /16s and 58 /24s
Percentage of available AfriNIC address space announced: 7.9
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 957 5524 194 CHINANET-BACKBONE
9583 756 77 14 Sify Limited
1221 751 1326 521 Telstra Pty Ltd
4755 697 259 64 Videsh Sanchar Nigam Ltd. Aut
4766 602 3927 285 Korea Telecom (KIX)
7545 516 108 72 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 386 84 79 Primus Telecommunications
9498 338 99 59 BHARTI BT INTERNET LTD.
2907 336 1788 313 SINET Japan
9929 334 224 46 China Netcom Corp.
17557 326 23 154 Pakistan Telecom
7474 317 257 220 SingTel Optus Pty Ltd
17488 314 18 7 Hathway IP Over Cable Interne
18302 302 110 158 SK Global co., Ltd
4802 295 53 156 Wantree Development
9837 277 80 179 Powertel Ltd
17974 264 65 14 PT TELEKOMUNIKASI INDONESIA
703 258 262 208 UUNET - Commercial IP service
9800 250 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1518 6377 981 AT&T WorldNet Services
4323 1155 704 221 Time Warner Telecom
174 1123 5837 1026 Cogent Communications
721 1091 21906 313 DLA Systems Automation Center
701 1006 8154 857 UUNET Technologies, Inc.
6197 946 503 445 BellSouth Network Solutions,
2386 903 528 663 AT&T Data Communications Serv
1239 861 2847 623 Sprint
18566 836 225 8 Covad Communications
20115 641 503 324 Charter Communications
209 626 3470 488 Qwest
3356 575 10661 445 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 549 125 106 Sprint Canada, Inc.
3561 533 2416 421 Savvis
22773 523 1352 27 Cox Communications, Inc.
5668 501 115 23 CenturyTel Internet Holdings,
7132 455 4948 389 SBC Internet Services
19262 450 1370 120 Verizon Global Networks
6198 449 416 222 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 591 1999 482 UUNET - Commercial IP service
3301 299 1081 285 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 262 474 258 COLT Telecommunications
680 244 2040 240 DFN-IP service G-WiN
8708 233 262 214 Romania Data Systems S.A.
3246 229 469 222 Song Networks
1257 201 712 175 SWIPnet Swedish IP Network
5515 181 778 127 Sonera Solution Autonomous Sy
6746 181 49 157 Dynamic Network Technologies,
9121 175 282 44 TTnet Autonomous System
786 174 1794 174 The JANET IP Service
3269 171 1528 68 TELECOM ITALIA
5400 167 289 141 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 139 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 396 650 169 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 242 87 58 Servicios Alestra S.A de C.V
11664 191 20 23 Keytech SA
6147 189 110 21 Telefonica Del Peru
22047 172 128 7 VTR PUNTO NET S.A.
14117 152 9 5 Telefonica del Sur S.A.
7303 143 68 15 Telecom Argentina Stet-France
19632 143 14 5 Metropolis Intercom S.A.
11556 131 64 3 Cable-Wireless Panama
6505 130 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
6503 114 148 75 AVANTEL, S.A.
18822 110 7 14 TELEFONICA MANQUEHUE
13999 108 52 9 Mega Cable S.A. de C.V.
21826 103 13 15 INTERCABLE
5639 102 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 96 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 262 685 220 The Internet Solution
5536 121 8 14 Internet Egypt Network
8452 101 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
2905 77 210 69 The Internetworking Company o
15475 77 84 4 Nile Online
24835 58 34 7 RAYA Telecom - Egypt
20928 57 16 2 Noor Advanced Technologies AS
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 42 3 3 UUNET Kenya
15706 31 8 3 Sudatel Internet Exchange Aut
12455 30 5 6 Jambonet Autonomous system
8524 23 1 3 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1155 934 Time Warner Telecom
18566 836 828 Covad Communications
721 1091 778 DLA Systems Automation Center
4134 957 763 CHINANET-BACKBONE
9583 756 742 Sify Limited
4755 697 633 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
6197 946 501 BellSouth Network Solutions,
22773 523 496 Cox Communications, Inc.
5668 501 478 CenturyTel Internet Holdings,
7545 516 444 TPG Internet Pty Ltd
3602 549 443 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 423 350 E.Spire Communications, Inc.
19262 450 330 Verizon Global Networks
20115 641 317 Charter Communications
4766 602 317 Korea Telecom (KIX)
11492 322 315 Cable One
9443 386 307 Primus Telecommunications
17488 314 307 Hathway IP Over Cable Interne
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
63946 RESERVED 204.222.174.0/23 268 Uniformed Services U
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 /9:3 /10:8 /11:17 /12:76
/13:171 /14:319 /15:614 /16:8505 /17:2697 /18:4603
/19:10666 /20:11694 /21:9728 /22:13134 /23:14020 /24:91690
/25:328 /26:318 /27:176 /28:49 /29:27 /30:80
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 820 836 Covad Communications
6197 769 946 BellSouth Network Solutions,
7018 724 1518 AT&T WorldNet Services
2386 611 903 AT&T Data Communications Serv
9583 578 756 Sify Limited
4323 553 1155 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 419 602 Korea Telecom (KIX)
5668 405 501 CenturyTel Internet Holdings,
702 365 591 UUNET - Commercial IP service
19916 363 369 OLM LLC
1239 360 861 Sprint
7011 345 401 Citizens Utilities
6198 323 449 BellSouth Network Solutions,
11492 314 322 Cable One
6517 302 325 Yipes Communications, Inc.
15270 302 332 PaeTec.net -a division of Pae
18302 287 302 SK Global co., Ltd
701 282 1006 UUNET Technologies, Inc.
11456 280 317 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:22 11:1 12:1572 13:1 15:9
16:2 17:3 18:3 20:22 24:1065 30:3
32:61 33:1 38:143 40:56 44:4 47:2
52:4 55:2 56:3 57:23 58:154 59:64
60:114 61:717 62:722 63:1876 64:2832 65:2066
66:2900 67:600 68:579 69:1150 70:171 71:12
72:349 80:593 81:541 82:461 83:301 84:225
85:286 86:90 87:28 128:153 129:167 130:94
131:299 132:37 133:1 134:144 135:42 136:150
137:64 138:163 139:61 140:401 141:106 142:144
143:135 144:193 145:34 146:289 147:111 148:297
149:180 150:107 151:61 152:108 153:89 154:5
155:143 156:80 157:99 158:167 159:167 160:87
161:72 162:220 163:112 164:188 165:194 166:154
167:247 168:439 169:141 170:317 171:8 190:1
192:5739 193:3266 194:2401 195:1598 196:651 198:3882
199:3288 200:4117 201:279 202:6068 203:6352 204:3801
205:2047 206:2455 207:2831 208:2032 209:3325 210:1653
211:786 212:1240 213:1335 214:295 215:35 216:3626
217:1116 218:217 219:136 220:437 221:248 222:123
End of report
Routing Table Report 04:00 +10GMT Fri 26 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 168897
Prefixes after maximum aggregation: 96968
Unique aggregates announced to Internet: 81794
Total ASes present in the Internet Routing Table: 20369
Origin-only ASes present in the Internet Routing Table: 17736
Origin ASes announcing only one prefix: 8394
Transit ASes present in the Internet Routing Table: 2633
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: 26
Prefixes from unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1412069504
Equivalent to 84 /8s, 42 /16s and 120 /24s
Percentage of available address space announced: 38.1
Percentage of allocated address space announced: 57.4
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80097
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35084
Total APNIC prefixes after maximum aggregation: 15792
Prefixes being announced from the APNIC address blocks: 32928
Unique aggregates announced from the APNIC address blocks: 16460
APNIC Region origin ASes present in the Internet Routing Table: 2345
APNIC Region origin ASes announcing only one prefix: 699
APNIC Region transit ASes present in the Internet Routing Table: 352
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 195520128
Equivalent to 11 /8s, 167 /16s and 102 /24s
Percentage of available APNIC address space announced: 72.6
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: 90242
Total ARIN prefixes after maximum aggregation: 54968
Prefixes being announced from the ARIN address blocks: 70525
Unique aggregates announced from the ARIN address blocks: 26150
ARIN Region origin ASes present in the Internet Routing Table: 10175
ARIN Region origin ASes announcing only one prefix: 3751
ARIN Region transit ASes present in the Internet Routing Table: 949
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 262407168
Equivalent to 15 /8s, 164 /16s and 4 /24s
Percentage of available ARIN address space announced: 65.2
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: 32548
Total RIPE prefixes after maximum aggregation: 22249
Prefixes being announced from the RIPE address blocks: 29579
Unique aggregates announced from the RIPE address blocks: 19919
RIPE Region origin ASes present in the Internet Routing Table: 7017
RIPE Region origin ASes announcing only one prefix: 3710
RIPE Region transit ASes present in the Internet Routing Table: 1161
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 215411200
Equivalent to 12 /8s, 214 /16s and 234 /24s
Percentage of available RIPE address space announced: 64.2
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
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: 9329
Total LACNIC prefixes after maximum aggregation: 3168
Prefixes being announced from the LACNIC address blocks: 7694
Unique aggregates announced from the LACNIC address blocks: 4430
LACNIC Region origin ASes present in the Internet Routing Table: 631
LACNIC Region origin ASes announcing only one prefix: 195
LACNIC Region transit ASes present in the Internet Routing Table: 117
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 21765376
Equivalent to 1 /8s, 76 /16s and 29 /24s
Percentage of available LACNIC address space announced: 32.4
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: 1674
Total AfriNIC prefixes after maximum aggregation: 791
Prefixes being announced from the AfriNIC address blocks: 1015
Unique aggregates announced from the AfriNIC address blocks: 785
AfriNIC Region origin ASes present in the Internet Routing Table: 133
AfriNIC Region origin ASes announcing only one prefix: 39
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2636288
Equivalent to 0 /8s, 40 /16s and 58 /24s
Percentage of available AfriNIC address space announced: 7.9
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 957 5524 194 CHINANET-BACKBONE
9583 756 77 14 Sify Limited
1221 755 1327 524 Telstra Pty Ltd
4755 700 259 64 Videsh Sanchar Nigam Ltd. Aut
4766 602 3927 285 Korea Telecom (KIX)
7545 517 108 73 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 385 84 78 Primus Telecommunications
9498 339 99 59 BHARTI BT INTERNET LTD.
2907 336 1788 313 SINET Japan
9929 335 223 47 China Netcom Corp.
17557 326 23 153 Pakistan Telecom
7474 315 257 218 SingTel Optus Pty Ltd
17488 314 18 7 Hathway IP Over Cable Interne
18302 302 110 158 SK Global co., Ltd
4802 295 53 156 Wantree Development
9837 277 80 179 Powertel Ltd
17974 265 65 14 PT TELEKOMUNIKASI INDONESIA
703 257 262 208 UUNET - Commercial IP service
9800 249 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1520 6377 983 AT&T WorldNet Services
4323 1154 704 221 Time Warner Telecom
174 1124 5837 1027 Cogent Communications
721 1092 21922 314 DLA Systems Automation Center
701 1005 8154 857 UUNET Technologies, Inc.
6197 946 503 445 BellSouth Network Solutions,
2386 903 528 663 AT&T Data Communications Serv
1239 863 2847 625 Sprint
18566 834 224 7 Covad Communications
20115 643 503 326 Charter Communications
209 627 3470 489 Qwest
3356 574 10661 444 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 549 125 106 Sprint Canada, Inc.
3561 533 2416 421 Savvis
22773 523 1352 27 Cox Communications, Inc.
5668 501 115 23 CenturyTel Internet Holdings,
6198 468 417 227 BellSouth Network Solutions,
7132 453 4931 387 SBC Internet Services
19262 450 1370 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 592 1999 483 UUNET - Commercial IP service
3301 299 1081 285 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 262 474 258 COLT Telecommunications
680 245 2041 241 DFN-IP service G-WiN
3246 230 469 223 Song Networks
8708 228 262 214 Romania Data Systems S.A.
1257 198 713 176 SWIPnet Swedish IP Network
5515 181 778 127 Sonera Solution Autonomous Sy
6746 181 49 157 Dynamic Network Technologies,
786 174 1794 174 The JANET IP Service
9121 173 282 44 TTnet Autonomous System
3269 169 1526 66 TELECOM ITALIA
5400 167 289 141 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 139 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 396 650 169 UniNet S.A. de C.V.
16814 298 18 7 NSS, S.A.
11172 241 99 57 Servicios Alestra S.A de C.V
6147 194 110 21 Telefonica Del Peru
11664 191 20 23 Keytech SA
22047 173 128 7 VTR PUNTO NET S.A.
14117 152 9 5 Telefonica del Sur S.A.
7303 143 68 15 Telecom Argentina Stet-France
19632 143 14 5 Metropolis Intercom S.A.
11556 131 64 3 Cable-Wireless Panama
6505 130 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
6503 114 148 75 AVANTEL, S.A.
18822 110 7 14 TELEFONICA MANQUEHUE
13999 106 52 9 Mega Cable S.A. de C.V.
21826 103 13 15 INTERCABLE
5639 102 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 96 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 264 685 222 The Internet Solution
5536 121 8 14 Internet Egypt Network
8452 101 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
2905 77 210 69 The Internetworking Company o
15475 67 84 4 Nile Online
24835 58 34 7 RAYA Telecom - Egypt
20928 57 16 2 Noor Advanced Technologies AS
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 42 3 3 UUNET Kenya
15706 31 8 3 Sudatel Internet Exchange Aut
12455 30 5 6 Jambonet Autonomous system
8524 23 1 3 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1154 933 Time Warner Telecom
18566 834 827 Covad Communications
721 1092 778 DLA Systems Automation Center
4134 957 763 CHINANET-BACKBONE
9583 756 742 Sify Limited
4755 700 636 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
6197 946 501 BellSouth Network Solutions,
22773 523 496 Cox Communications, Inc.
5668 501 478 CenturyTel Internet Holdings,
7545 517 444 TPG Internet Pty Ltd
3602 549 443 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 437 364 E.Spire Communications, Inc.
19262 450 330 Verizon Global Networks
20115 643 317 Charter Communications
4766 602 317 Korea Telecom (KIX)
11492 322 315 Cable One
9443 385 307 Primus Telecommunications
17488 314 307 Hathway IP Over Cable Interne
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
63946 RESERVED 204.222.174.0/23 268 Uniformed Services U
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 /9:3 /10:8 /11:17 /12:76
/13:171 /14:319 /15:614 /16:8502 /17:2699 /18:4598
/19:10661 /20:11686 /21:9729 /22:13129 /23:14016 /24:91637
/25:330 /26:317 /27:177 /28:48 /29:28 /30:79
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 818 834 Covad Communications
6197 769 946 BellSouth Network Solutions,
7018 725 1520 AT&T WorldNet Services
2386 611 903 AT&T Data Communications Serv
9583 578 756 Sify Limited
4323 552 1154 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 419 602 Korea Telecom (KIX)
5668 405 501 CenturyTel Internet Holdings,
702 366 592 UUNET - Commercial IP service
19916 363 369 OLM LLC
1239 359 863 Sprint
7011 345 401 Citizens Utilities
6198 341 468 BellSouth Network Solutions,
11492 314 322 Cable One
15270 302 326 PaeTec.net -a division of Pae
6517 301 324 Yipes Communications, Inc.
6467 290 437 E.Spire Communications, Inc.
18302 287 302 SK Global co., Ltd
701 281 1005 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:22 11:1 12:1573 13:1 15:9
16:2 17:3 18:3 20:5 24:961 30:3
32:61 33:1 38:143 40:56 44:4 47:2
52:4 55:2 56:3 57:23 58:154 59:64
60:114 61:722 62:712 63:1892 64:2829 65:2073
66:2907 67:600 68:582 69:1150 70:173 71:12
72:347 80:592 81:539 82:463 83:297 84:225
85:282 86:87 87:27 128:152 129:167 130:90
131:299 132:36 133:1 134:144 135:42 136:150
137:66 138:163 139:61 140:404 141:106 142:144
143:137 144:190 145:34 146:287 147:111 148:297
149:179 150:107 151:62 152:108 153:89 154:5
155:143 156:80 157:100 158:167 159:167 160:87
161:72 162:220 163:112 164:188 165:194 166:154
167:247 168:439 169:141 170:317 171:8 190:1
192:5747 193:3257 194:2400 195:1592 196:652 198:3877
199:3276 200:4130 201:275 202:6069 203:6366 204:3808
205:2052 206:2457 207:2832 208:2044 209:3336 210:1656
211:786 212:1245 213:1333 214:295 215:35 216:3643
217:1117 218:217 219:132 220:437 221:248 222:123
End of report
Routing Table Report 04:00 +10GMT Thu 25 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 168712
Prefixes after maximum aggregation: 96988
Unique aggregates announced to Internet: 81845
Total ASes present in the Internet Routing Table: 20362
Origin-only ASes present in the Internet Routing Table: 17723
Origin ASes announcing only one prefix: 8386
Transit ASes present in the Internet Routing Table: 2639
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: 26
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: 1410710561
Equivalent to 84 /8s, 21 /16s and 188 /24s
Percentage of available address space announced: 38.1
Percentage of allocated address space announced: 57.3
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 80026
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35183
Total APNIC prefixes after maximum aggregation: 15831
Prefixes being announced from the APNIC address blocks: 33026
Unique aggregates announced from the APNIC address blocks: 16593
APNIC Region origin ASes present in the Internet Routing Table: 2344
APNIC Region origin ASes announcing only one prefix: 696
APNIC Region transit ASes present in the Internet Routing Table: 351
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 195391104
Equivalent to 11 /8s, 165 /16s and 110 /24s
Percentage of available APNIC address space announced: 72.5
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: 90123
Total ARIN prefixes after maximum aggregation: 54952
Prefixes being announced from the ARIN address blocks: 70427
Unique aggregates announced from the ARIN address blocks: 26119
ARIN Region origin ASes present in the Internet Routing Table: 10167
ARIN Region origin ASes announcing only one prefix: 3743
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: 20
Number of ARIN addresses announced to Internet: 260849953
Equivalent to 15 /8s, 140 /16s and 65 /24s
Percentage of available ARIN address space announced: 64.8
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: 32460
Total RIPE prefixes after maximum aggregation: 22245
Prefixes being announced from the RIPE address blocks: 29488
Unique aggregates announced from the RIPE address blocks: 19889
RIPE Region origin ASes present in the Internet Routing Table: 7017
RIPE Region origin ASes announcing only one prefix: 3711
RIPE Region transit ASes present in the Internet Routing Table: 1164
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 215290240
Equivalent to 12 /8s, 213 /16s and 17 /24s
Percentage of available RIPE address space announced: 64.2
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
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: 9263
Total LACNIC prefixes after maximum aggregation: 3168
Prefixes being announced from the LACNIC address blocks: 7623
Unique aggregates announced from the LACNIC address blocks: 4422
LACNIC Region origin ASes present in the Internet Routing Table: 632
LACNIC Region origin ASes announcing only one prefix: 196
LACNIC Region transit ASes present in the Internet Routing Table: 117
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 21743616
Equivalent to 1 /8s, 75 /16s and 200 /24s
Percentage of available LACNIC address space announced: 32.4
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: 1663
Total AfriNIC prefixes after maximum aggregation: 792
Prefixes being announced from the AfriNIC address blocks: 1000
Unique aggregates announced from the AfriNIC address blocks: 770
AfriNIC Region origin ASes present in the Internet Routing Table: 134
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2627840
Equivalent to 0 /8s, 40 /16s and 25 /24s
Percentage of available AfriNIC address space announced: 7.8
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 957 5524 194 CHINANET-BACKBONE
1221 757 1327 526 Telstra Pty Ltd
9583 751 77 14 Sify Limited
4755 704 259 65 Videsh Sanchar Nigam Ltd. Aut
4766 600 3926 284 Korea Telecom (KIX)
7545 518 108 74 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 384 82 77 Primus Telecommunications
9498 339 83 59 BHARTI BT INTERNET LTD.
9929 338 224 46 China Netcom Corp.
2907 336 1788 313 SINET Japan
17557 328 23 155 Pakistan Telecom
7474 315 257 218 SingTel Optus Pty Ltd
18302 301 109 157 SK Global co., Ltd
17488 300 18 18 Hathway IP Over Cable Interne
4802 296 53 157 Wantree Development
9837 277 80 179 Powertel Ltd
17974 264 65 14 PT TELEKOMUNIKASI INDONESIA
703 257 262 207 UUNET - Commercial IP service
9800 250 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1518 6377 986 AT&T WorldNet Services
4323 1153 704 221 Time Warner Telecom
174 1126 5837 1029 Cogent Communications
721 1093 21907 315 DLA Systems Automation Center
701 1003 8154 856 UUNET Technologies, Inc.
6197 945 502 450 BellSouth Network Solutions,
2386 899 528 663 AT&T Data Communications Serv
1239 865 2848 627 Sprint
18566 834 224 7 Covad Communications
20115 643 503 326 Charter Communications
209 628 3470 490 Qwest
3356 577 10662 447 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 547 125 105 Sprint Canada, Inc.
3561 533 2416 421 Savvis
22773 523 1352 27 Cox Communications, Inc.
5668 501 115 23 CenturyTel Internet Holdings,
6198 472 417 227 BellSouth Network Solutions,
7132 455 4948 389 SBC Internet Services
19262 449 1362 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 593 1999 484 UUNET - Commercial IP service
3301 299 1081 285 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 263 474 259 COLT Telecommunications
680 245 2041 241 DFN-IP service G-WiN
3246 230 469 223 Song Networks
8708 227 261 213 Romania Data Systems S.A.
1257 198 713 176 SWIPnet Swedish IP Network
5515 181 778 127 Sonera Solution Autonomous Sy
6746 181 49 157 Dynamic Network Technologies,
786 174 1794 174 The JANET IP Service
3269 171 1528 68 TELECOM ITALIA
9121 171 281 45 TTnet Autonomous System
5400 166 289 140 BT Ignite European Backbone
8866 166 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 139 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 396 648 167 UniNet S.A. de C.V.
16814 265 16 7 NSS, S.A.
11172 242 99 57 Servicios Alestra S.A de C.V
6147 194 110 21 Telefonica Del Peru
11664 191 20 23 Keytech SA
14117 152 9 5 Telefonica del Sur S.A.
22047 145 128 7 VTR PUNTO NET S.A.
7303 143 68 15 Telecom Argentina Stet-France
19632 143 14 5 Metropolis Intercom S.A.
11556 131 64 3 Cable-Wireless Panama
6505 130 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
6503 114 148 75 AVANTEL, S.A.
18822 110 7 14 TELEFONICA MANQUEHUE
13999 106 52 9 Mega Cable S.A. de C.V.
21826 103 13 15 INTERCABLE
5639 101 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 96 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 264 685 222 The Internet Solution
5536 122 8 15 Internet Egypt Network
8452 101 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
2905 76 266 68 The Internetworking Company o
15475 67 84 4 Nile Online
24835 58 34 7 RAYA Telecom - Egypt
20928 57 16 2 Noor Advanced Technologies AS
6713 51 54 8 Itissalat Al-MAGHRIB
5713 43 149 33 Telkom SA Ltd
9129 31 3 3 UUNET Kenya
15706 31 8 3 Sudatel Internet Exchange Aut
12455 30 5 6 Jambonet Autonomous system
8524 23 1 3 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1153 932 Time Warner Telecom
18566 834 827 Covad Communications
721 1093 778 DLA Systems Automation Center
4134 957 763 CHINANET-BACKBONE
9583 751 737 Sify Limited
4755 704 639 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
22773 523 496 Cox Communications, Inc.
6197 945 495 BellSouth Network Solutions,
5668 501 478 CenturyTel Internet Holdings,
7545 518 444 TPG Internet Pty Ltd
3602 547 442 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 435 362 E.Spire Communications, Inc.
19262 449 329 Verizon Global Networks
20115 643 317 Charter Communications
4766 600 316 Korea Telecom (KIX)
11492 320 313 Cable One
9443 384 307 Primus Telecommunications
6140 417 294 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
36666 UNALLOCATED 74.63.0.0/20 23028 SAUNET
36666 UNALLOCATED 75.127.0.0/20 23028 SAUNET
36666 UNALLOCATED 76.191.0.0/20 23028 SAUNET
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
63946 RESERVED 204.222.174.0/23 268 Uniformed Services U
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 /9:3 /10:8 /11:17 /12:76
/13:170 /14:320 /15:607 /16:8500 /17:2695 /18:4586
/19:10652 /20:11642 /21:9704 /22:13110 /23:14018 /24:91510
/25:348 /26:338 /27:198 /28:50 /29:27 /30:80
/31:1 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 818 834 Covad Communications
6197 768 945 BellSouth Network Solutions,
7018 723 1518 AT&T WorldNet Services
2386 607 899 AT&T Data Communications Serv
9583 572 751 Sify Limited
4323 552 1153 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 417 600 Korea Telecom (KIX)
5668 405 501 CenturyTel Internet Holdings,
702 366 593 UUNET - Commercial IP service
19916 363 369 OLM LLC
1239 359 865 Sprint
6198 345 472 BellSouth Network Solutions,
7011 344 399 Citizens Utilities
11492 312 320 Cable One
6517 301 324 Yipes Communications, Inc.
15270 300 324 PaeTec.net -a division of Pae
6467 289 435 E.Spire Communications, Inc.
18302 286 301 SK Global co., Ltd
701 279 1003 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:22 11:1 12:1576 13:1 15:9
16:2 17:3 18:3 20:5 24:960 30:3
32:61 33:1 38:143 40:56 44:4 47:2
52:4 55:2 56:3 57:23 58:154 59:63
60:111 61:722 62:710 63:1890 64:2835 65:2076
66:2898 67:597 68:580 69:1148 70:173 71:12
72:342 80:591 81:541 82:459 83:297 84:226
85:281 86:82 87:27 128:154 129:167 130:90
131:299 132:36 133:1 134:143 135:42 136:150
137:65 138:163 139:61 140:399 141:105 142:145
143:137 144:192 145:33 146:288 147:111 148:299
149:180 150:107 151:62 152:108 153:89 154:5
155:143 156:80 157:100 158:167 159:167 160:82
161:74 162:220 163:111 164:188 165:195 166:154
167:246 168:438 169:142 170:317 171:8 190:1
192:5744 193:3260 194:2399 195:1580 196:639 198:3878
199:3296 200:4126 201:241 202:6071 203:6374 204:3778
205:2027 206:2464 207:2829 208:2039 209:3345 210:1662
211:785 212:1221 213:1323 214:295 215:35 216:3630
217:1112 218:217 219:165 220:439 221:243 222:123
End of report
Routing Table Report 04:00 +10GMT Wed 24 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 168529
Prefixes after maximum aggregation: 96938
Unique aggregates announced to Internet: 81767
Total ASes present in the Internet Routing Table: 20357
Origin-only ASes present in the Internet Routing Table: 17713
Origin ASes announcing only one prefix: 8387
Transit ASes present in the Internet Routing Table: 2644
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: 26
Prefixes from unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1410077601
Equivalent to 84 /8s, 12 /16s and 19 /24s
Percentage of available address space announced: 38.0
Percentage of allocated address space announced: 57.3
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 79953
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35044
Total APNIC prefixes after maximum aggregation: 15803
Prefixes being announced from the APNIC address blocks: 32894
Unique aggregates announced from the APNIC address blocks: 16570
APNIC Region origin ASes present in the Internet Routing Table: 2342
APNIC Region origin ASes announcing only one prefix: 696
APNIC Region transit ASes present in the Internet Routing Table: 353
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 195183232
Equivalent to 11 /8s, 162 /16s and 66 /24s
Percentage of available APNIC address space announced: 72.4
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: 90120
Total ARIN prefixes after maximum aggregation: 54939
Prefixes being announced from the ARIN address blocks: 70418
Unique aggregates announced from the ARIN address blocks: 26100
ARIN Region origin ASes present in the Internet Routing Table: 10172
ARIN Region origin ASes announcing only one prefix: 3747
ARIN Region transit ASes present in the Internet Routing Table: 955
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 260643745
Equivalent to 15 /8s, 137 /16s and 27 /24s
Percentage of available ARIN address space announced: 64.7
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: 32442
Total RIPE prefixes after maximum aggregation: 22230
Prefixes being announced from the RIPE address blocks: 29454
Unique aggregates announced from the RIPE address blocks: 19853
RIPE Region origin ASes present in the Internet Routing Table: 7010
RIPE Region origin ASes announcing only one prefix: 3707
RIPE Region transit ASes present in the Internet Routing Table: 1168
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 215279488
Equivalent to 12 /8s, 212 /16s and 231 /24s
Percentage of available RIPE address space announced: 64.2
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
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: 9247
Total LACNIC prefixes after maximum aggregation: 3178
Prefixes being announced from the LACNIC address blocks: 7606
Unique aggregates announced from the LACNIC address blocks: 4411
LACNIC Region origin ASes present in the Internet Routing Table: 633
LACNIC Region origin ASes announcing only one prefix: 197
LACNIC Region transit ASes present in the Internet Routing Table: 116
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 21702912
Equivalent to 1 /8s, 75 /16s and 41 /24s
Percentage of available LACNIC address space announced: 32.3
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: 1656
Total AfriNIC prefixes after maximum aggregation: 788
Prefixes being announced from the AfriNIC address blocks: 1015
Unique aggregates announced from the AfriNIC address blocks: 784
AfriNIC Region origin ASes present in the Internet Routing Table: 133
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 17
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2631424
Equivalent to 0 /8s, 40 /16s and 39 /24s
Percentage of available AfriNIC address space announced: 7.8
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 957 5524 194 CHINANET-BACKBONE
1221 758 1327 527 Telstra Pty Ltd
9583 756 77 14 Sify Limited
4755 702 259 65 Videsh Sanchar Nigam Ltd. Aut
4766 599 3926 283 Korea Telecom (KIX)
7545 519 108 74 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 382 82 77 Primus Telecommunications
9498 341 83 61 BHARTI BT INTERNET LTD.
9929 338 224 46 China Netcom Corp.
2907 337 1789 314 SINET Japan
17557 330 24 153 Pakistan Telecom
7474 315 257 218 SingTel Optus Pty Ltd
18302 301 109 158 SK Global co., Ltd
17488 300 18 18 Hathway IP Over Cable Interne
4802 296 53 157 Wantree Development
9837 277 80 179 Powertel Ltd
703 256 262 207 UUNET - Commercial IP service
9800 250 390 64 CHINA UNICOM
17974 244 46 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1517 6377 987 AT&T WorldNet Services
4323 1151 704 221 Time Warner Telecom
174 1122 5825 1027 Cogent Communications
721 1092 21906 314 DLA Systems Automation Center
701 1003 8154 854 UUNET Technologies, Inc.
6197 945 502 450 BellSouth Network Solutions,
2386 900 528 664 AT&T Data Communications Serv
1239 866 2848 628 Sprint
18566 834 224 7 Covad Communications
20115 641 502 324 Charter Communications
209 628 3470 490 Qwest
3356 576 10662 445 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 550 125 106 Sprint Canada, Inc.
3561 534 2416 422 Savvis
22773 523 1352 27 Cox Communications, Inc.
5668 501 115 23 CenturyTel Internet Holdings,
6198 473 417 227 BellSouth Network Solutions,
7132 455 4948 389 SBC Internet Services
19262 449 1362 120 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 592 1983 483 UUNET - Commercial IP service
3301 299 1081 285 TeliaNet Sweden
3320 290 3232 239 Deutsche Telekom AG
8220 263 474 259 COLT Telecommunications
680 245 2041 241 DFN-IP service G-WiN
3246 230 469 223 Song Networks
8708 227 261 213 Romania Data Systems S.A.
1257 198 713 176 SWIPnet Swedish IP Network
5515 181 778 127 Sonera Solution Autonomous Sy
6746 181 49 157 Dynamic Network Technologies,
786 174 1794 174 The JANET IP Service
3269 171 1528 68 TELECOM ITALIA
9121 167 279 43 TTnet Autonomous System
5400 165 289 139 BT Ignite European Backbone
8866 165 20 7 Bulgarian Telecommunication C
6830 157 669 33 UPC Distribution Services
3300 156 184 90 AUCS Communications Services
25186 144 145 101 France Telecom Transpac's Tra
8551 139 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 396 648 167 UniNet S.A. de C.V.
16814 265 16 7 NSS, S.A.
11172 242 99 57 Servicios Alestra S.A de C.V
6147 194 110 21 Telefonica Del Peru
11664 190 20 23 Keytech SA
14117 152 9 5 Telefonica del Sur S.A.
22047 145 128 7 VTR PUNTO NET S.A.
7303 143 68 15 Telecom Argentina Stet-France
19632 143 14 5 Metropolis Intercom S.A.
11556 131 64 3 Cable-Wireless Panama
6505 130 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
18822 110 7 14 TELEFONICA MANQUEHUE
13999 109 52 9 Mega Cable S.A. de C.V.
6503 103 147 76 AVANTEL, S.A.
21826 103 13 15 INTERCABLE
5639 101 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 95 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 264 685 222 The Internet Solution
5536 122 8 15 Internet Egypt Network
8452 102 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
2905 76 266 68 The Internetworking Company o
15475 66 84 4 Nile Online
24835 58 34 7 RAYA Telecom - Egypt
20928 57 16 2 Noor Advanced Technologies AS
6713 51 54 8 Itissalat Al-MAGHRIB
5713 41 149 32 Telkom SA Ltd
9129 31 3 3 UUNET Kenya
15706 31 8 3 Sudatel Internet Exchange Aut
12455 30 5 6 Jambonet Autonomous system
8524 24 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1151 930 Time Warner Telecom
18566 834 827 Covad Communications
721 1092 778 DLA Systems Automation Center
4134 957 763 CHINANET-BACKBONE
9583 756 742 Sify Limited
4755 702 637 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
22773 523 496 Cox Communications, Inc.
6197 945 495 BellSouth Network Solutions,
5668 501 478 CenturyTel Internet Holdings,
7545 519 445 TPG Internet Pty Ltd
3602 550 444 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 437 364 E.Spire Communications, Inc.
19262 449 329 Verizon Global Networks
20115 641 317 Charter Communications
4766 599 316 Korea Telecom (KIX)
11492 319 312 Cable One
9443 382 305 Primus Telecommunications
6140 415 293 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
63946 RESERVED 204.222.174.0/23 268 Uniformed Services U
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 /9:3 /10:8 /11:17 /12:76
/13:170 /14:320 /15:604 /16:8494 /17:2694 /18:4587
/19:10648 /20:11616 /21:9696 /22:13105 /23:13995 /24:91422
/25:340 /26:336 /27:192 /28:50 /29:28 /30:77
/31:1 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 818 834 Covad Communications
6197 768 945 BellSouth Network Solutions,
7018 722 1517 AT&T WorldNet Services
2386 607 900 AT&T Data Communications Serv
9583 573 756 Sify Limited
4323 550 1151 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 416 599 Korea Telecom (KIX)
5668 405 501 CenturyTel Internet Holdings,
702 366 592 UUNET - Commercial IP service
19916 363 370 OLM LLC
1239 360 866 Sprint
6198 345 473 BellSouth Network Solutions,
7011 343 398 Citizens Utilities
11492 311 319 Cable One
6517 301 323 Yipes Communications, Inc.
15270 300 324 PaeTec.net -a division of Pae
6467 291 437 E.Spire Communications, Inc.
18302 286 301 SK Global co., Ltd
701 279 1003 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:23 11:1 12:1574 13:1 15:9
16:2 17:3 18:3 20:5 24:960 30:3
32:61 33:1 38:143 40:56 44:4 47:2
52:4 55:2 56:3 57:23 58:154 59:62
60:111 61:721 62:710 63:1891 64:2833 65:2075
66:2896 67:593 68:581 69:1148 70:172 71:12
72:339 80:593 81:540 82:458 83:298 84:226
85:277 86:80 87:27 128:152 129:167 130:90
131:299 132:34 133:1 134:143 135:42 136:149
137:63 138:163 139:62 140:397 141:105 142:145
143:137 144:192 145:33 146:292 147:111 148:299
149:180 150:107 151:64 152:108 153:89 154:5
155:143 156:78 157:99 158:167 159:167 160:82
161:72 162:220 163:111 164:188 165:195 166:154
167:247 168:437 169:142 170:317 171:8 190:1
192:5745 193:3258 194:2400 195:1579 196:654 198:3876
199:3282 200:4119 201:234 202:6031 203:6367 204:3788
205:2032 206:2460 207:2833 208:2043 209:3338 210:1659
211:784 212:1223 213:1316 214:293 215:35 216:3639
217:1113 218:217 219:165 220:434 221:243 222:118
End of report
Routing Table Report 04:00 +10GMT Tue 23 Aug, 2005
Analysis Summary
----------------
BGP routing table entries examined: 168513
Prefixes after maximum aggregation: 96913
Unique aggregates announced to Internet: 81779
Total ASes present in the Internet Routing Table: 20351
Origin-only ASes present in the Internet Routing Table: 17716
Origin ASes announcing only one prefix: 8381
Transit ASes present in the Internet Routing Table: 2635
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: 26
Prefixes from unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1406671137
Equivalent to 83 /8s, 216 /16s and 25 /24s
Percentage of available address space announced: 38.0
Percentage of allocated address space announced: 57.1
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 79934
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 35036
Total APNIC prefixes after maximum aggregation: 15791
Prefixes being announced from the APNIC address blocks: 32893
Unique aggregates announced from the APNIC address blocks: 16537
APNIC Region origin ASes present in the Internet Routing Table: 2341
APNIC Region origin ASes announcing only one prefix: 693
APNIC Region transit ASes present in the Internet Routing Table: 353
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 192796032
Equivalent to 11 /8s, 125 /16s and 213 /24s
Percentage of available APNIC address space announced: 71.5
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: 90100
Total ARIN prefixes after maximum aggregation: 54929
Prefixes being announced from the ARIN address blocks: 70401
Unique aggregates announced from the ARIN address blocks: 26124
ARIN Region origin ASes present in the Internet Routing Table: 10169
ARIN Region origin ASes announcing only one prefix: 3745
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: 20
Number of ARIN addresses announced to Internet: 259468577
Equivalent to 15 /8s, 119 /16s and 45 /24s
Percentage of available ARIN address space announced: 64.4
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: 32457
Total RIPE prefixes after maximum aggregation: 22231
Prefixes being announced from the RIPE address blocks: 29468
Unique aggregates announced from the RIPE address blocks: 19894
RIPE Region origin ASes present in the Internet Routing Table: 7008
RIPE Region origin ASes announcing only one prefix: 3707
RIPE Region transit ASes present in the Internet Routing Table: 1162
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 215266432
Equivalent to 12 /8s, 212 /16s and 180 /24s
Percentage of available RIPE address space announced: 64.2
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
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: 9244
Total LACNIC prefixes after maximum aggregation: 3174
Prefixes being announced from the LACNIC address blocks: 7605
Unique aggregates announced from the LACNIC address blocks: 4406
LACNIC Region origin ASes present in the Internet Routing Table: 633
LACNIC Region origin ASes announcing only one prefix: 197
LACNIC Region transit ASes present in the Internet Routing Table: 117
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 21695744
Equivalent to 1 /8s, 75 /16s and 13 /24s
Percentage of available LACNIC address space announced: 32.3
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: 1655
Total AfriNIC prefixes after maximum aggregation: 788
Prefixes being announced from the AfriNIC address blocks: 1013
Unique aggregates announced from the AfriNIC address blocks: 781
AfriNIC Region origin ASes present in the Internet Routing Table: 133
AfriNIC Region origin ASes announcing only one prefix: 39
AfriNIC Region transit ASes present in the Internet Routing Table: 16
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2626816
Equivalent to 0 /8s, 40 /16s and 21 /24s
Percentage of available AfriNIC address space announced: 7.8
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 956 5524 194 CHINANET-BACKBONE
1221 758 1327 527 Telstra Pty Ltd
9583 757 77 14 Sify Limited
4755 703 259 66 Videsh Sanchar Nigam Ltd. Aut
4766 597 3414 281 Korea Telecom (KIX)
7545 519 108 74 TPG Internet Pty Ltd
17676 465 6739 99 Softbank BB Corp.
9443 382 82 77 Primus Telecommunications
9498 340 83 63 BHARTI BT INTERNET LTD.
9929 338 224 46 China Netcom Corp.
2907 337 1789 314 SINET Japan
17557 329 24 153 Pakistan Telecom
7474 315 257 218 SingTel Optus Pty Ltd
18302 300 109 157 SK Global co., Ltd
17488 299 18 19 Hathway IP Over Cable Interne
4802 296 53 157 Wantree Development
9837 277 80 179 Powertel Ltd
703 256 262 207 UUNET - Commercial IP service
17974 254 65 14 PT TELEKOMUNIKASI INDONESIA
9800 250 390 64 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1518 6393 983 AT&T WorldNet Services
4323 1151 704 221 Time Warner Telecom
174 1115 5820 1026 Cogent Communications
721 1094 21907 315 DLA Systems Automation Center
701 1004 8154 854 UUNET Technologies, Inc.
6197 941 497 450 BellSouth Network Solutions,
2386 900 528 664 AT&T Data Communications Serv
1239 867 2848 629 Sprint
18566 834 224 7 Covad Communications
20115 644 503 326 Charter Communications
209 627 3470 490 Qwest
3356 577 10662 446 Level 3 Communications, LLC
27364 554 44 18 Armstrong Cable Services
3602 549 125 106 Sprint Canada, Inc.
3561 530 2416 420 Savvis
22773 523 1352 27 Cox Communications, Inc.
5668 501 115 23 CenturyTel Internet Holdings,
6198 472 415 227 BellSouth Network Solutions,
7132 455 4948 389 SBC Internet Services
19262 447 1353 119 Verizon Global Networks
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 593 1999 484 UUNET - Commercial IP service
3301 299 1081 285 TeliaNet Sweden
3320 291 3232 240 Deutsche Telekom AG
8220 262 474 258 COLT Telecommunications
680 245 2041 241 DFN-IP service G-WiN
3246 230 469 223 Song Networks
8708 227 261 213 Romania Data Systems S.A.
1257 198 713 176 SWIPnet Swedish IP Network
5515 181 778 127 Sonera Solution Autonomous Sy
6746 181 49 157 Dynamic Network Technologies,
786 174 1794 174 The JANET IP Service
3269 171 1528 68 TELECOM ITALIA
5400 166 289 140 BT Ignite European Backbone
9121 165 278 42 TTnet Autonomous System
8866 164 20 7 Bulgarian Telecommunication C
3300 156 184 90 AUCS Communications Services
6830 154 665 32 UPC Distribution Services
25186 144 145 101 France Telecom Transpac's Tra
8551 138 120 20 Bezeq International
1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 395 648 166 UniNet S.A. de C.V.
16814 265 16 7 NSS, S.A.
11172 242 99 57 Servicios Alestra S.A de C.V
6147 193 110 21 Telefonica Del Peru
11664 190 20 23 Keytech SA
14117 152 9 5 Telefonica del Sur S.A.
22047 145 128 7 VTR PUNTO NET S.A.
7303 143 68 15 Telecom Argentina Stet-France
19632 143 14 5 Metropolis Intercom S.A.
11556 131 64 3 Cable-Wireless Panama
6505 130 90 87 Global One Communicaoes Ltda
10481 120 48 8 Prima S.A.
19169 120 8 26 Telconet
6503 114 148 75 AVANTEL, S.A.
18822 110 7 14 TELEFONICA MANQUEHUE
13999 109 52 9 Mega Cable S.A. de C.V.
21826 103 13 15 INTERCABLE
5639 101 12 9 Telecommunications Services o
11311 97 8 14 Sinectis S.A.
23216 95 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 264 685 222 The Internet Solution
5536 122 8 15 Internet Egypt Network
8452 104 32 7 TEDATA
2018 96 295 87 Tertiary Education Network
2905 76 266 68 The Internetworking Company o
24835 58 34 7 RAYA Telecom - Egypt
20928 57 16 2 Noor Advanced Technologies AS
6713 51 54 8 Itissalat Al-MAGHRIB
15475 48 84 4 Nile Online
9129 42 3 3 UUNET Kenya
5713 41 149 32 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
12455 30 5 6 Jambonet Autonomous system
8524 24 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 21 1 12 Standard Bank of South Africa
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1151 930 Time Warner Telecom
18566 834 827 Covad Communications
721 1094 779 DLA Systems Automation Center
4134 956 762 CHINANET-BACKBONE
9583 757 743 Sify Limited
4755 703 637 Videsh Sanchar Nigam Ltd. Aut
27364 554 536 Armstrong Cable Services
22773 523 496 Cox Communications, Inc.
6197 941 491 BellSouth Network Solutions,
5668 501 478 CenturyTel Internet Holdings,
7545 519 445 TPG Internet Pty Ltd
3602 549 443 Sprint Canada, Inc.
17676 465 366 Softbank BB Corp.
6467 437 364 E.Spire Communications, Inc.
19262 447 328 Verizon Global Networks
20115 644 318 Charter Communications
4766 597 316 Korea Telecom (KIX)
11492 318 312 Cable One
9443 382 305 Primus Telecommunications
6140 417 294 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel
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
64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt
64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam
63946 RESERVED 204.222.174.0/23 268 Uniformed Services U
65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp.
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
192.145.251.0/24 17860 WEBZEN
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 /9:3 /10:8 /11:16 /12:76
/13:169 /14:319 /15:603 /16:8492 /17:2690 /18:4578
/19:10642 /20:11623 /21:9680 /22:13105 /23:13991 /24:91439
/25:343 /26:333 /27:193 /28:51 /29:28 /30:80
/31:1 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 818 834 Covad Communications
6197 768 941 BellSouth Network Solutions,
7018 722 1518 AT&T WorldNet Services
2386 607 900 AT&T Data Communications Serv
9583 574 757 Sify Limited
4323 550 1151 Time Warner Telecom
27364 545 554 Armstrong Cable Services
4766 415 597 Korea Telecom (KIX)
5668 405 501 CenturyTel Internet Holdings,
702 366 593 UUNET - Commercial IP service
19916 363 370 OLM LLC
1239 361 867 Sprint
6198 345 472 BellSouth Network Solutions,
7011 344 399 Citizens Utilities
11492 310 318 Cable One
6517 301 323 Yipes Communications, Inc.
15270 300 324 PaeTec.net -a division of Pae
6467 291 437 E.Spire Communications, Inc.
18302 285 300 SK Global co., Ltd
701 279 1004 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:23 11:1 12:1574 13:1 15:9
16:2 17:3 18:3 20:5 24:960 30:3
32:61 33:1 38:143 40:56 44:4 47:2
52:4 55:2 56:3 57:23 58:154 59:62
60:110 61:725 62:683 63:1893 64:2835 65:2076
66:2903 67:584 68:580 69:1142 70:171 71:12
72:338 80:598 81:547 82:457 83:295 84:227
85:309 86:82 87:27 128:153 129:167 130:90
131:301 132:34 133:1 134:144 135:42 136:150
137:63 138:163 139:61 140:398 141:105 142:145
143:136 144:191 145:33 146:286 147:111 148:298
149:180 150:107 151:64 152:108 153:89 154:5
155:143 156:76 157:99 158:167 159:167 160:82
161:72 162:219 163:111 164:188 165:194 166:153
167:246 168:437 169:145 170:317 171:8 190:1
192:5746 193:3258 194:2399 195:1583 196:653 198:3877
199:3279 200:4110 201:239 202:6051 203:6343 204:3807
205:2041 206:2459 207:2835 208:2040 209:3343 210:1658
211:779 212:1230 213:1311 214:295 215:35 216:3633
217:1114 218:213 219:167 220:433 221:242 222:116
End of report
