Routing Table Report 04:00 +10GMT Sat 01 Apr, 2006
Analysis Summary
----------------
BGP routing table entries examined: 186219
Prefixes after maximum aggregation: 102731
Unique aggregates announced to Internet: 90330
Total ASes present in the Internet Routing Table: 21863
Origin-only ASes present in the Internet Routing Table: 19007
Origin ASes announcing only one prefix: 9047
Transit ASes present in the Internet Routing Table: 2856
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 20
Prefixes from unregistered ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1499840864
Equivalent to 89 /8s, 101 /16s and 193 /24s
Percentage of available address space announced: 40.5
Percentage of allocated address space announced: 59.7
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 91766
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 39000
Total APNIC prefixes after maximum aggregation: 16352
Prefixes being announced from the APNIC address blocks: 36703
Unique aggregates announced from the APNIC address blocks: 17853
APNIC Region origin ASes present in the Internet Routing Table: 2529
APNIC Region origin ASes announcing only one prefix: 718
APNIC Region transit ASes present in the Internet Routing Table: 389
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 219775456
Equivalent to 13 /8s, 25 /16s and 129 /24s
Percentage of available APNIC address space announced: 68.7
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, 121/8, 122/7, 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: 97060
Total ARIN prefixes after maximum aggregation: 57257
Prefixes being announced from the ARIN address blocks: 76151
Unique aggregates announced from the ARIN address blocks: 29023
ARIN Region origin ASes present in the Internet Routing Table: 10614
ARIN Region origin ASes announcing only one prefix: 3969
ARIN Region transit ASes present in the Internet Routing Table: 975
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 293489920
Equivalent to 17 /8s, 126 /16s and 77 /24s
Percentage of available ARIN address space announced: 72.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 36776
Total RIPE prefixes after maximum aggregation: 24644
Prefixes being announced from the RIPE address blocks: 33826
Unique aggregates announced from the RIPE address blocks: 22840
RIPE Region origin ASes present in the Internet Routing Table: 7823
RIPE Region origin ASes announcing only one prefix: 4094
RIPE Region transit ASes present in the Internet Routing Table: 1300
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 243039872
Equivalent to 14 /8s, 124 /16s and 126 /24s
Percentage of available RIPE address space announced: 72.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11300
Total LACNIC prefixes after maximum aggregation: 3596
Prefixes being announced from the LACNIC address blocks: 9453
Unique aggregates announced from the LACNIC address blocks: 5293
LACNIC Region origin ASes present in the Internet Routing Table: 682
LACNIC Region origin ASes announcing only one prefix: 221
LACNIC Region transit ASes present in the Internet Routing Table: 126
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 26291712
Equivalent to 1 /8s, 145 /16s and 46 /24s
Percentage of available LACNIC address space announced: 39.2
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: 2074
Total AfriNIC prefixes after maximum aggregation: 882
Prefixes being announced from the AfriNIC address blocks: 1404
Unique aggregates announced from the AfriNIC address blocks: 915
AfriNIC Region origin ASes present in the Internet Routing Table: 151
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3951872
Equivalent to 0 /8s, 60 /16s and 77 /24s
Percentage of available AfriNIC address space announced: 11.8
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 1010 6917 212 CHINANET-BACKBONE
4755 891 259 69 Videsh Sanchar Nigam Ltd. Aut
9583 874 109 16 Sify Limited
4766 679 3924 304 Korea Telecom (KIX)
1221 619 1555 473 Telstra Pty Ltd
9498 560 211 71 BHARTI BT INTERNET LTD.
7545 530 108 70 TPG Internet Pty Ltd
17488 513 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 416 95 82 Primus Telecommunications
4802 376 91 171 Wantree Development
17974 337 90 38 PT TELEKOMUNIKASI INDONESIA
2907 336 1749 312 SINET Japan
18101 325 69 24 Reliance Infocom Ltd Internet
17557 321 27 165 Pakistan Telecom
17849 318 20 104 Telecommunications Technology
9929 316 218 54 China Netcom Corp.
7474 307 211 233 SingTel Optus Pty Ltd
4780 281 226 16 Digital United Inc.
9837 269 77 165 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1510 6264 967 AT&T WorldNet Services
4323 1249 714 248 Time Warner Telecom
6197 1008 615 471 BellSouth Network Solutions,
721 1004 21962 306 DLA Systems Automation Center
174 958 5783 905 Cogent Communications
701 942 8049 779 UUNET Technologies, Inc.
18566 925 272 8 Covad Communications
2386 873 521 666 AT&T Data Communications Serv
1239 852 2804 602 Sprint
19029 784 152 112 New Edge Networks
209 700 3607 543 Qwest
20115 672 590 361 Charter Communications
19262 665 1968 156 Verizon Global Networks
22773 643 1480 40 Cox Communications, Inc.
11492 627 86 20 Cable One
7011 619 213 400 Citizens Utilities
852 585 1089 389 Telus Advanced Communications
6198 583 518 233 BellSouth Network Solutions,
19916 563 49 54 OLM LLC
855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 586 1951 459 UUNET - Commercial IP service
3301 308 1071 292 TeliaNet Sweden
3352 307 1564 31 Ibernet, Internet Access Netw
8220 287 473 266 COLT Telecommunications
3320 282 3478 234 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
6746 230 89 204 Dynamic Network Technologies,
3246 229 472 219 Song Networks
8708 215 275 200 Romania Data Systems S.A.
8551 203 198 24 Bezeq International
24863 200 40 9 LINKdotNET AS number
1257 198 711 173 SWIPnet Swedish IP Network
3269 197 2086 76 TELECOM ITALIA
3215 191 1598 89 France Telecom Transpac
9121 174 931 26 TTnet Autonomous System
786 171 1778 171 The JANET IP Service
8866 171 37 15 Bulgarian Telecommunication C
5400 168 329 137 BT Ignite European Backbone
6830 167 765 35 UPC Distribution Services
5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1268 1083 230 UniNet S.A. de C.V.
22047 386 142 10 VTR PUNTO NET S.A.
11172 319 110 82 Servicios Alestra S.A de C.V
16814 280 18 7 NSS, S.A.
14117 185 12 6 Telefonica del Sur S.A.
7303 159 75 20 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
11556 132 80 4 Cable-Wireless Panama
5639 127 12 9 Telecommunications Services o
19169 123 8 32 Telconet
21826 123 16 20 INTERCABLE
6503 122 149 75 AVANTEL, S.A.
10481 121 48 8 Prima S.A.
6505 106 88 78 Global One Communicaoes Ltda
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
7315 96 6 3 Grupo Rey Moreno
25620 96 6 3 COTAS LTDA
4270 94 17 9 Red de Interconexion Universi
14522 94 13 5 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 277 803 232 The Internet Solution
8452 167 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
15475 131 84 4 Nile Online
2018 123 314 104 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 83 50 7 RAYA Telecom - Egypt
2905 74 155 67 The Internetworking Company o
20928 57 16 2 Noor Advanced Technologies AS
12455 46 6 3 Jambonet Autonomous system
5713 39 294 35 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
8346 20 13 17 SONATEL-AS Autonomous System
21280 20 5 5 Swift Global Kenya Ltd.Is an
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
8151 1268 1038 UniNet S.A. de C.V.
4323 1249 1001 Time Warner Telecom
18566 925 917 Covad Communications
9583 874 858 Sify Limited
4755 891 822 Videsh Sanchar Nigam Ltd. Aut
4134 1010 798 CHINANET-BACKBONE
721 1004 698 DLA Systems Automation Center
19029 784 672 New Edge Networks
11492 627 607 Cable One
22773 643 603 Cox Communications, Inc.
6197 1008 537 BellSouth Network Solutions,
19262 665 509 Verizon Global Networks
19916 563 509 OLM LLC
17488 513 506 Hathway IP Over Cable Interne
5668 532 502 CenturyTel Internet Holdings,
9498 560 489 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7545 530 460 TPG Internet Pty Ltd
7757 473 454 AT&T Broadband
3602 539 430 Sprint Canada, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
24808 UNALLOCATED 217.78.74.0/23 12491 IPPlanet
24808 UNALLOCATED 217.78.76.0/23 12491 IPPlanet
65412 PRIVATE 221.123.128.0/20 24405 Beijing CJWX Communi
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:9 /10:8 /11:27 /12:88
/13:199 /14:357 /15:691 /16:8769 /17:3164 /18:5175
/19:11456 /20:12907 /21:11232 /22:14266 /23:15395 /24:101451
/25:343 /26:249 /27:217 /28:63 /29:68 /30:34
/31:0 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 910 1268 UniNet S.A. de C.V.
18566 908 925 Covad Communications
7018 802 1510 AT&T WorldNet Services
6197 797 1008 BellSouth Network Solutions,
19029 711 784 New Edge Networks
9583 695 874 Sify Limited
11492 618 627 Cable One
4323 603 1249 Time Warner Telecom
2386 597 873 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 531 619 Citizens Utilities
4766 488 679 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 440 583 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 412 532 CenturyTel Internet Holdings,
1239 378 852 Sprint
702 367 586 UUNET - Commercial IP service
15270 364 394 PaeTec.net -a division of Pae
6517 348 378 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1623 13:1 15:11 16:3
17:3 18:4 20:43 24:880 25:1 30:2
32:67 38:207 40:53 44:3 47:6 52:4
55:1 56:3 57:33 58:153 59:191 60:175
61:836 62:813 63:1925 64:3117 65:2235 66:3098
67:617 68:700 69:1431 70:315 71:82 72:656
73:23 74:28 80:756 81:613 82:544 83:371
84:373 85:505 86:341 87:276 88:51 89:111
124:196 125:281 128:161 129:177 130:108 131:319
132:33 133:8 134:150 135:47 136:177 137:69
138:199 139:75 140:468 141:134 142:393 143:160
144:229 145:40 146:320 147:133 148:342 149:190
150:114 151:80 152:65 153:107 154:6 155:196
156:99 157:120 158:166 159:170 160:86 161:69
162:252 163:145 164:179 165:181 166:166 167:242
168:480 169:134 170:327 171:12 172:1 183:1
190:51 192:5767 193:3402 194:2563 195:1794 196:806
198:3874 199:3253 200:4316 201:1330 202:6561 203:6901
204:3937 205:2085 206:2426 207:2930 208:2039 209:3724
210:1919 211:737 212:1250 213:1438 214:332 215:42
216:4088 217:1169 218:240 219:179 220:654 221:352
222:160
End of report
Routing Table Report 04:00 +10GMT Fri 31 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 185282
Prefixes after maximum aggregation: 102651
Unique aggregates announced to Internet: 90433
Total ASes present in the Internet Routing Table: 21857
Origin-only ASes present in the Internet Routing Table: 19000
Origin ASes announcing only one prefix: 9052
Transit ASes present in the Internet Routing Table: 2857
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 20
Prefixes from unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1499896352
Equivalent to 89 /8s, 102 /16s and 154 /24s
Percentage of available address space announced: 40.5
Percentage of allocated address space announced: 59.7
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 90903
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38920
Total APNIC prefixes after maximum aggregation: 16330
Prefixes being announced from the APNIC address blocks: 36621
Unique aggregates announced from the APNIC address blocks: 17993
APNIC Region origin ASes present in the Internet Routing Table: 2530
APNIC Region origin ASes announcing only one prefix: 719
APNIC Region transit ASes present in the Internet Routing Table: 387
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 219863520
Equivalent to 13 /8s, 26 /16s and 217 /24s
Percentage of available APNIC address space announced: 68.7
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, 121/8, 122/7, 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: 96995
Total ARIN prefixes after maximum aggregation: 57250
Prefixes being announced from the ARIN address blocks: 76080
Unique aggregates announced from the ARIN address blocks: 29003
ARIN Region origin ASes present in the Internet Routing Table: 10610
ARIN Region origin ASes announcing only one prefix: 3971
ARIN Region transit ASes present in the Internet Routing Table: 980
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 293466112
Equivalent to 17 /8s, 125 /16s and 240 /24s
Percentage of available ARIN address space announced: 72.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 36735
Total RIPE prefixes after maximum aggregation: 24609
Prefixes being announced from the RIPE address blocks: 33784
Unique aggregates announced from the RIPE address blocks: 22823
RIPE Region origin ASes present in the Internet Routing Table: 7816
RIPE Region origin ASes announcing only one prefix: 4093
RIPE Region transit ASes present in the Internet Routing Table: 1298
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 242946176
Equivalent to 14 /8s, 123 /16s and 16 /24s
Percentage of available RIPE address space announced: 72.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 10551
Total LACNIC prefixes after maximum aggregation: 3575
Prefixes being announced from the LACNIC address blocks: 8726
Unique aggregates announced from the LACNIC address blocks: 5280
LACNIC Region origin ASes present in the Internet Routing Table: 682
LACNIC Region origin ASes announcing only one prefix: 223
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 26120704
Equivalent to 1 /8s, 142 /16s and 146 /24s
Percentage of available LACNIC address space announced: 38.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2073
Total AfriNIC prefixes after maximum aggregation: 887
Prefixes being announced from the AfriNIC address blocks: 1401
Unique aggregates announced from the AfriNIC address blocks: 912
AfriNIC Region origin ASes present in the Internet Routing Table: 152
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3947264
Equivalent to 0 /8s, 60 /16s and 59 /24s
Percentage of available AfriNIC address space announced: 11.8
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 997 6935 213 CHINANET-BACKBONE
4755 891 259 70 Videsh Sanchar Nigam Ltd. Aut
9583 876 109 16 Sify Limited
4766 676 3923 301 Korea Telecom (KIX)
1221 620 1556 474 Telstra Pty Ltd
9498 560 211 71 BHARTI BT INTERNET LTD.
7545 529 108 70 TPG Internet Pty Ltd
17488 502 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 414 95 82 Primus Telecommunications
4802 376 91 171 Wantree Development
17974 337 90 38 PT TELEKOMUNIKASI INDONESIA
2907 336 1749 312 SINET Japan
18101 324 68 23 Reliance Infocom Ltd Internet
17557 321 27 165 Pakistan Telecom
17849 318 20 104 Telecommunications Technology
9929 315 218 53 China Netcom Corp.
7474 307 211 233 SingTel Optus Pty Ltd
4780 281 226 16 Digital United Inc.
9837 269 77 165 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1510 6264 967 AT&T WorldNet Services
4323 1245 714 248 Time Warner Telecom
721 1008 21962 306 DLA Systems Automation Center
6197 1006 620 469 BellSouth Network Solutions,
174 959 5784 906 Cogent Communications
701 949 8050 785 UUNET Technologies, Inc.
18566 924 272 8 Covad Communications
2386 872 521 665 AT&T Data Communications Serv
1239 853 2805 603 Sprint
19029 784 152 112 New Edge Networks
209 701 3607 544 Qwest
20115 674 591 362 Charter Communications
19262 665 1968 156 Verizon Global Networks
22773 642 1480 40 Cox Communications, Inc.
11492 627 86 20 Cable One
7011 617 212 399 Citizens Utilities
6198 582 506 238 BellSouth Network Solutions,
852 578 1088 385 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 586 1951 459 UUNET - Commercial IP service
3301 309 1071 293 TeliaNet Sweden
3352 306 1564 31 Ibernet, Internet Access Netw
8220 289 473 268 COLT Telecommunications
3320 282 3478 234 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
3246 231 488 221 Song Networks
6746 230 89 204 Dynamic Network Technologies,
8708 215 275 200 Romania Data Systems S.A.
8551 203 198 24 Bezeq International
24863 201 40 9 LINKdotNET AS number
1257 198 711 173 SWIPnet Swedish IP Network
3269 197 2086 76 TELECOM ITALIA
3215 189 1574 89 France Telecom Transpac
9121 174 931 26 TTnet Autonomous System
786 171 1778 171 The JANET IP Service
8866 170 37 14 Bulgarian Telecommunication C
5400 168 329 137 BT Ignite European Backbone
6830 167 765 35 UPC Distribution Services
5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 596 1051 226 UniNet S.A. de C.V.
22047 386 142 10 VTR PUNTO NET S.A.
11172 319 110 82 Servicios Alestra S.A de C.V
16814 280 18 7 NSS, S.A.
14117 185 12 6 Telefonica del Sur S.A.
7303 159 75 20 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
11556 132 80 4 Cable-Wireless Panama
5639 127 12 9 Telecommunications Services o
6505 123 91 83 Global One Communicaoes Ltda
19169 123 8 32 Telconet
21826 123 16 20 INTERCABLE
6503 122 149 75 AVANTEL, S.A.
10481 121 48 8 Prima S.A.
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
7315 96 6 3 Grupo Rey Moreno
25620 96 6 3 COTAS LTDA
19429 95 52 42 E.T.B.
4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 276 803 232 The Internet Solution
8452 166 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
15475 131 84 4 Nile Online
2018 123 314 104 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 83 50 7 RAYA Telecom - Egypt
2905 74 155 67 The Internetworking Company o
20928 57 16 2 Noor Advanced Technologies AS
12455 40 6 3 Jambonet Autonomous system
5713 39 294 35 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
21280 23 5 5 Swift Global Kenya Ltd.Is an
10798 22 1 13 Standard Bank of South Africa
8346 20 13 17 SONATEL-AS Autonomous System
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1245 997 Time Warner Telecom
18566 924 916 Covad Communications
9583 876 860 Sify Limited
4755 891 821 Videsh Sanchar Nigam Ltd. Aut
4134 997 784 CHINANET-BACKBONE
721 1008 702 DLA Systems Automation Center
19029 784 672 New Edge Networks
11492 627 607 Cable One
22773 642 602 Cox Communications, Inc.
6197 1006 537 BellSouth Network Solutions,
19262 665 509 Verizon Global Networks
19916 563 509 OLM LLC
5668 532 502 CenturyTel Internet Holdings,
17488 502 495 Hathway IP Over Cable Interne
9498 560 489 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7545 529 459 TPG Internet Pty Ltd
7757 473 454 AT&T Broadband
3602 540 431 Sprint Canada, Inc.
812 438 410 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65412 PRIVATE 221.123.128.0/20 24405 Beijing CJWX Communi
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:9 /10:8 /11:27 /12:88
/13:199 /14:357 /15:691 /16:8771 /17:3168 /18:5163
/19:11449 /20:12901 /21:11190 /22:14255 /23:15374 /24:100628
/25:341 /26:247 /27:213 /28:59 /29:62 /30:33
/31:0 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 907 924 Covad Communications
7018 802 1510 AT&T WorldNet Services
6197 795 1006 BellSouth Network Solutions,
19029 711 784 New Edge Networks
9583 694 876 Sify Limited
11492 618 627 Cable One
4323 602 1245 Time Warner Telecom
2386 596 872 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 529 617 Citizens Utilities
4766 485 676 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 440 582 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 412 532 CenturyTel Internet Holdings,
1239 378 853 Sprint
702 367 586 UUNET - Commercial IP service
15270 363 393 PaeTec.net -a division of Pae
6517 348 378 Yipes Communications, Inc.
22773 336 642 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1623 13:1 15:12 16:3
17:3 18:4 20:43 24:880 25:1 30:2
32:67 38:206 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:153 59:190 60:166
61:833 62:808 63:1919 64:3114 65:2230 66:3094
67:616 68:700 69:1429 70:314 71:76 72:655
73:23 74:26 80:757 81:612 82:547 83:360
84:374 85:505 86:336 87:272 88:50 89:107
124:196 125:279 128:160 129:177 130:108 131:320
132:33 133:8 134:150 135:47 136:177 137:69
138:196 139:75 140:467 141:134 142:393 143:157
144:224 145:40 146:323 147:133 148:338 149:190
150:114 151:80 152:65 153:107 154:6 155:195
156:99 157:119 158:166 159:168 160:86 161:69
162:253 163:145 164:179 165:179 166:166 167:243
168:480 169:134 170:325 171:12 172:1 183:1
190:47 192:5768 193:3402 194:2554 195:1790 196:803
198:3877 199:3262 200:4305 201:667 202:6558 203:6870
204:3926 205:2085 206:2421 207:2925 208:2042 209:3725
210:1921 211:737 212:1247 213:1435 214:339 215:42
216:4079 217:1175 218:239 219:180 220:654 221:352
222:159
End of report
Routing Table Report 04:00 +10GMT Thu 30 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 184883
Prefixes after maximum aggregation: 102603
Unique aggregates announced to Internet: 90321
Total ASes present in the Internet Routing Table: 21843
Origin-only ASes present in the Internet Routing Table: 18984
Origin ASes announcing only one prefix: 9040
Transit ASes present in the Internet Routing Table: 2859
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: 20
Prefixes from unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1499006752
Equivalent to 89 /8s, 89 /16s and 7 /24s
Percentage of available address space announced: 40.4
Percentage of allocated address space announced: 59.7
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 90716
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38780
Total APNIC prefixes after maximum aggregation: 16306
Prefixes being announced from the APNIC address blocks: 36506
Unique aggregates announced from the APNIC address blocks: 17899
APNIC Region origin ASes present in the Internet Routing Table: 2524
APNIC Region origin ASes announcing only one prefix: 723
APNIC Region transit ASes present in the Internet Routing Table: 385
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 219500256
Equivalent to 13 /8s, 21 /16s and 78 /24s
Percentage of available APNIC address space announced: 68.6
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, 121/8, 122/7, 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: 96841
Total ARIN prefixes after maximum aggregation: 57217
Prefixes being announced from the ARIN address blocks: 75922
Unique aggregates announced from the ARIN address blocks: 28996
ARIN Region origin ASes present in the Internet Routing Table: 10603
ARIN Region origin ASes announcing only one prefix: 3961
ARIN Region transit ASes present in the Internet Routing Table: 977
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 293345536
Equivalent to 17 /8s, 124 /16s and 25 /24s
Percentage of available ARIN address space announced: 72.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 36675
Total RIPE prefixes after maximum aggregation: 24611
Prefixes being announced from the RIPE address blocks: 33723
Unique aggregates announced from the RIPE address blocks: 22861
RIPE Region origin ASes present in the Internet Routing Table: 7809
RIPE Region origin ASes announcing only one prefix: 4088
RIPE Region transit ASes present in the Internet Routing Table: 1303
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 242826624
Equivalent to 14 /8s, 121 /16s and 61 /24s
Percentage of available RIPE address space announced: 72.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 10513
Total LACNIC prefixes after maximum aggregation: 3582
Prefixes being announced from the LACNIC address blocks: 8673
Unique aggregates announced from the LACNIC address blocks: 5253
LACNIC Region origin ASes present in the Internet Routing Table: 683
LACNIC Region origin ASes announcing only one prefix: 224
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 25920256
Equivalent to 1 /8s, 139 /16s and 131 /24s
Percentage of available LACNIC address space announced: 38.6
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: 2067
Total AfriNIC prefixes after maximum aggregation: 887
Prefixes being announced from the AfriNIC address blocks: 1400
Unique aggregates announced from the AfriNIC address blocks: 911
AfriNIC Region origin ASes present in the Internet Routing Table: 150
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3946240
Equivalent to 0 /8s, 60 /16s and 55 /24s
Percentage of available AfriNIC address space announced: 11.8
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 997 6935 213 CHINANET-BACKBONE
4755 891 259 70 Videsh Sanchar Nigam Ltd. Aut
9583 876 109 16 Sify Limited
4766 676 3923 301 Korea Telecom (KIX)
1221 619 1556 473 Telstra Pty Ltd
9498 560 211 71 BHARTI BT INTERNET LTD.
7545 529 108 71 TPG Internet Pty Ltd
17488 502 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 414 95 82 Primus Telecommunications
4802 375 91 170 Wantree Development
2907 336 1749 312 SINET Japan
17974 328 90 34 PT TELEKOMUNIKASI INDONESIA
18101 324 68 23 Reliance Infocom Ltd Internet
17557 321 27 165 Pakistan Telecom
17849 318 20 104 Telecommunications Technology
9929 315 218 53 China Netcom Corp.
7474 307 211 233 SingTel Optus Pty Ltd
4780 281 226 16 Digital United Inc.
9837 269 77 165 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1506 6263 967 AT&T WorldNet Services
4323 1245 714 248 Time Warner Telecom
721 1012 21962 307 DLA Systems Automation Center
6197 1006 620 469 BellSouth Network Solutions,
174 959 5784 906 Cogent Communications
701 946 8050 783 UUNET Technologies, Inc.
18566 923 272 8 Covad Communications
2386 874 521 665 AT&T Data Communications Serv
1239 852 2805 606 Sprint
19029 784 152 112 New Edge Networks
209 701 3607 544 Qwest
20115 672 589 360 Charter Communications
19262 665 1968 156 Verizon Global Networks
22773 642 1480 40 Cox Communications, Inc.
11492 627 86 20 Cable One
7011 612 212 398 Citizens Utilities
6198 583 506 239 BellSouth Network Solutions,
852 578 1088 385 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 586 1951 459 UUNET - Commercial IP service
3301 309 1071 293 TeliaNet Sweden
3352 307 1564 31 Ibernet, Internet Access Netw
8220 290 473 269 COLT Telecommunications
3320 282 3478 234 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
3246 231 488 221 Song Networks
6746 230 89 204 Dynamic Network Technologies,
8708 215 276 201 Romania Data Systems S.A.
8551 202 197 23 Bezeq International
24863 200 40 9 LINKdotNET AS number
1257 198 711 173 SWIPnet Swedish IP Network
3269 197 2086 76 TELECOM ITALIA
3215 187 1550 87 France Telecom Transpac
786 171 1778 171 The JANET IP Service
8866 170 37 14 Bulgarian Telecommunication C
6830 167 765 35 UPC Distribution Services
5400 166 328 135 BT Ignite European Backbone
5515 161 839 120 Sonera Solution Autonomous Sy
9121 161 931 26 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 589 1009 227 UniNet S.A. de C.V.
22047 386 142 10 VTR PUNTO NET S.A.
11172 318 110 81 Servicios Alestra S.A de C.V
16814 280 18 7 NSS, S.A.
14117 185 12 6 Telefonica del Sur S.A.
7303 159 75 20 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
11556 132 80 4 Cable-Wireless Panama
5639 127 12 9 Telecommunications Services o
19169 123 8 32 Telconet
21826 123 16 20 INTERCABLE
10481 121 48 8 Prima S.A.
6503 119 149 74 AVANTEL, S.A.
6505 106 88 78 Global One Communicaoes Ltda
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
7315 96 6 3 Grupo Rey Moreno
25620 96 6 3 COTAS LTDA
19429 95 52 42 E.T.B.
4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 276 803 232 The Internet Solution
8452 166 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
15475 131 84 4 Nile Online
2018 125 314 105 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 83 50 7 RAYA Telecom - Egypt
2905 74 155 67 The Internetworking Company o
20928 57 16 2 Noor Advanced Technologies AS
12455 40 6 3 Jambonet Autonomous system
5713 39 294 35 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
8346 20 13 17 SONATEL-AS Autonomous System
21280 20 5 5 Swift Global Kenya Ltd.Is an
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1245 997 Time Warner Telecom
18566 923 915 Covad Communications
9583 876 860 Sify Limited
4755 891 821 Videsh Sanchar Nigam Ltd. Aut
4134 997 784 CHINANET-BACKBONE
721 1012 705 DLA Systems Automation Center
19029 784 672 New Edge Networks
11492 627 607 Cable One
22773 642 602 Cox Communications, Inc.
6197 1006 537 BellSouth Network Solutions,
19262 665 509 Verizon Global Networks
19916 563 509 OLM LLC
5668 532 502 CenturyTel Internet Holdings,
17488 502 495 Hathway IP Over Cable Interne
9498 560 489 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7545 529 458 TPG Internet Pty Ltd
7757 473 454 AT&T Broadband
3602 538 429 Sprint Canada, Inc.
812 438 410 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:9 /10:8 /11:26 /12:88
/13:199 /14:356 /15:690 /16:8755 /17:3159 /18:5159
/19:11441 /20:12866 /21:11102 /22:14204 /23:15339 /24:100473
/25:341 /26:246 /27:213 /28:63 /29:63 /30:34
/31:0 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 906 923 Covad Communications
7018 798 1506 AT&T WorldNet Services
6197 795 1006 BellSouth Network Solutions,
19029 711 784 New Edge Networks
9583 695 876 Sify Limited
11492 618 627 Cable One
4323 602 1245 Time Warner Telecom
2386 598 874 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 524 612 Citizens Utilities
4766 485 676 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 441 583 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 412 532 CenturyTel Internet Holdings,
1239 377 852 Sprint
702 367 586 UUNET - Commercial IP service
15270 363 393 PaeTec.net -a division of Pae
6517 347 377 Yipes Communications, Inc.
22773 336 642 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1622 13:1 15:12 16:3
17:3 18:4 20:43 24:880 25:1 30:2
32:67 38:206 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:152 59:190 60:182
61:822 62:809 63:1923 64:3116 65:2229 66:3081
67:616 68:681 69:1435 70:313 71:68 72:652
73:23 74:26 80:756 81:612 82:546 83:370
84:369 85:497 86:337 87:267 88:47 89:107
124:196 125:278 128:161 129:178 130:108 131:320
132:33 133:8 134:150 135:47 136:177 137:68
138:195 139:75 140:469 141:134 142:393 143:157
144:225 145:40 146:322 147:133 148:337 149:189
150:114 151:80 152:65 153:107 154:6 155:196
156:99 157:119 158:166 159:168 160:86 161:68
162:253 163:145 164:179 165:182 166:166 167:243
168:480 169:134 170:323 171:12 172:1 183:1
190:45 192:5770 193:3399 194:2545 195:1796 196:804
198:3878 199:3265 200:4280 201:667 202:6507 203:6821
204:3930 205:2082 206:2426 207:2928 208:2029 209:3700
210:1902 211:818 212:1241 213:1435 214:337 215:42
216:4082 217:1171 218:240 219:169 220:654 221:351
222:158
End of report
Routing Table Report 04:00 +10GMT Wed 29 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 185007
Prefixes after maximum aggregation: 102584
Unique aggregates announced to Internet: 90261
Total ASes present in the Internet Routing Table: 21839
Origin-only ASes present in the Internet Routing Table: 18973
Origin ASes announcing only one prefix: 9042
Transit ASes present in the Internet Routing Table: 2866
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 20
Prefixes from unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1515810080
Equivalent to 90 /8s, 89 /16s and 109 /24s
Percentage of available address space announced: 40.9
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 90711
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38896
Total APNIC prefixes after maximum aggregation: 16331
Prefixes being announced from the APNIC address blocks: 36618
Unique aggregates announced from the APNIC address blocks: 17971
APNIC Region origin ASes present in the Internet Routing Table: 2528
APNIC Region origin ASes announcing only one prefix: 723
APNIC Region transit ASes present in the Internet Routing Table: 391
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 219616992
Equivalent to 13 /8s, 23 /16s and 22 /24s
Percentage of available APNIC address space announced: 68.7
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, 121/8, 122/7, 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: 96773
Total ARIN prefixes after maximum aggregation: 57188
Prefixes being announced from the ARIN address blocks: 75858
Unique aggregates announced from the ARIN address blocks: 28973
ARIN Region origin ASes present in the Internet Routing Table: 10601
ARIN Region origin ASes announcing only one prefix: 3959
ARIN Region transit ASes present in the Internet Routing Table: 979
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 293305600
Equivalent to 17 /8s, 123 /16s and 125 /24s
Percentage of available ARIN address space announced: 72.8
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: 36757
Total RIPE prefixes after maximum aggregation: 24581
Prefixes being announced from the RIPE address blocks: 33803
Unique aggregates announced from the RIPE address blocks: 22833
RIPE Region origin ASes present in the Internet Routing Table: 7808
RIPE Region origin ASes announcing only one prefix: 4091
RIPE Region transit ASes present in the Internet Routing Table: 1304
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 242854528
Equivalent to 14 /8s, 121 /16s and 170 /24s
Percentage of available RIPE address space announced: 72.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 10534
Total LACNIC prefixes after maximum aggregation: 3595
Prefixes being announced from the LACNIC address blocks: 8699
Unique aggregates announced from the LACNIC address blocks: 5184
LACNIC Region origin ASes present in the Internet Routing Table: 682
LACNIC Region origin ASes announcing only one prefix: 225
LACNIC Region transit ASes present in the Internet Routing Table: 126
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 26107904
Equivalent to 1 /8s, 142 /16s and 96 /24s
Percentage of available LACNIC address space announced: 38.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2039
Total AfriNIC prefixes after maximum aggregation: 889
Prefixes being announced from the AfriNIC address blocks: 1379
Unique aggregates announced from the AfriNIC address blocks: 908
AfriNIC Region origin ASes present in the Internet Routing Table: 150
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3945472
Equivalent to 0 /8s, 60 /16s and 52 /24s
Percentage of available AfriNIC address space announced: 11.8
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 996 6933 212 CHINANET-BACKBONE
4755 890 259 69 Videsh Sanchar Nigam Ltd. Aut
9583 876 109 16 Sify Limited
4766 676 3923 301 Korea Telecom (KIX)
1221 626 1556 476 Telstra Pty Ltd
9498 561 212 72 BHARTI BT INTERNET LTD.
7545 526 108 71 TPG Internet Pty Ltd
17488 502 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 414 95 82 Primus Telecommunications
4802 376 91 171 Wantree Development
2907 336 1749 312 SINET Japan
18101 323 68 23 Reliance Infocom Ltd Internet
17557 320 26 164 Pakistan Telecom
17849 317 20 105 Telecommunications Technology
9929 315 218 53 China Netcom Corp.
7474 305 211 232 SingTel Optus Pty Ltd
4780 281 226 16 Digital United Inc.
17974 272 81 43 PT TELEKOMUNIKASI INDONESIA
9837 269 77 165 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1504 6263 966 AT&T WorldNet Services
4323 1244 714 247 Time Warner Telecom
721 1012 21962 307 DLA Systems Automation Center
6197 1004 620 471 BellSouth Network Solutions,
174 959 5784 906 Cogent Communications
701 947 8050 783 UUNET Technologies, Inc.
18566 923 272 8 Covad Communications
2386 874 520 664 AT&T Data Communications Serv
1239 854 2805 602 Sprint
19029 784 152 112 New Edge Networks
209 700 3607 543 Qwest
20115 673 590 362 Charter Communications
19262 665 1968 156 Verizon Global Networks
22773 642 1480 40 Cox Communications, Inc.
11492 625 86 20 Cable One
7011 611 212 398 Citizens Utilities
6198 583 506 239 BellSouth Network Solutions,
852 578 1088 385 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 586 1951 459 UUNET - Commercial IP service
3301 307 1071 292 TeliaNet Sweden
3352 307 1564 31 Ibernet, Internet Access Netw
8220 289 473 268 COLT Telecommunications
3320 281 3478 233 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
3246 231 488 221 Song Networks
6746 230 89 204 Dynamic Network Technologies,
8708 216 276 201 Romania Data Systems S.A.
8551 202 197 23 Bezeq International
24863 201 40 9 LINKdotNET AS number
1257 197 710 172 SWIPnet Swedish IP Network
3269 193 2085 74 TELECOM ITALIA
3215 186 1542 88 France Telecom Transpac
786 171 1778 171 The JANET IP Service
8866 170 37 14 Bulgarian Telecommunication C
6830 167 765 35 UPC Distribution Services
5400 166 328 135 BT Ignite European Backbone
5515 161 839 120 Sonera Solution Autonomous Sy
9121 161 931 26 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 600 1051 226 UniNet S.A. de C.V.
22047 384 142 10 VTR PUNTO NET S.A.
11172 316 109 80 Servicios Alestra S.A de C.V
16814 280 18 7 NSS, S.A.
14117 185 12 6 Telefonica del Sur S.A.
7303 159 75 20 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
11556 132 80 4 Cable-Wireless Panama
5639 127 12 9 Telecommunications Services o
19169 123 8 32 Telconet
21826 123 16 20 INTERCABLE
6503 121 149 75 AVANTEL, S.A.
10481 121 48 8 Prima S.A.
6505 106 88 78 Global One Communicaoes Ltda
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
7315 96 6 3 Grupo Rey Moreno
19429 95 52 42 E.T.B.
4270 94 17 9 Red de Interconexion Universi
14522 94 13 5 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 276 803 232 The Internet Solution
8452 166 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
15475 128 84 4 Nile Online
2018 124 314 105 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 83 50 7 RAYA Telecom - Egypt
2905 74 155 67 The Internetworking Company o
20928 57 16 2 Noor Advanced Technologies AS
5713 39 294 35 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
8346 20 13 17 SONATEL-AS Autonomous System
2561 19 6 2 Egyptian Universities Network
21280 19 5 5 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1244 997 Time Warner Telecom
18566 923 915 Covad Communications
9583 876 860 Sify Limited
4755 890 821 Videsh Sanchar Nigam Ltd. Aut
4134 996 784 CHINANET-BACKBONE
721 1012 705 DLA Systems Automation Center
19029 784 672 New Edge Networks
11492 625 605 Cable One
22773 642 602 Cox Communications, Inc.
6197 1004 533 BellSouth Network Solutions,
19262 665 509 Verizon Global Networks
19916 563 509 OLM LLC
5668 532 502 CenturyTel Internet Holdings,
17488 502 495 Hathway IP Over Cable Interne
9498 561 489 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7545 526 455 TPG Internet Pty Ltd
7757 473 454 AT&T Broadband
3602 537 428 Sprint Canada, Inc.
812 438 410 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
1.1.1.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:8 /11:26 /12:88
/13:199 /14:355 /15:692 /16:8755 /17:3158 /18:5164
/19:11439 /20:12862 /21:11111 /22:14202 /23:15309 /24:100615
/25:343 /26:246 /27:214 /28:66 /29:58 /30:36
/31:0 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 906 923 Covad Communications
7018 798 1504 AT&T WorldNet Services
6197 793 1004 BellSouth Network Solutions,
19029 711 784 New Edge Networks
9583 695 876 Sify Limited
11492 616 625 Cable One
4323 602 1244 Time Warner Telecom
2386 598 874 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 523 611 Citizens Utilities
4766 485 676 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 441 583 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 412 532 CenturyTel Internet Holdings,
1239 380 854 Sprint
702 367 586 UUNET - Commercial IP service
15270 366 396 PaeTec.net -a division of Pae
6517 347 377 Yipes Communications, Inc.
22773 336 642 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:3 8:38 12:1620 13:1 15:12
16:3 17:3 18:4 20:43 24:872 25:1
30:2 32:67 38:206 40:54 44:3 47:6
52:4 55:1 56:3 57:33 58:151 59:190
60:181 61:817 62:810 63:1922 64:3118 65:2228
66:3073 67:617 68:677 69:1433 70:314 71:68
72:650 73:23 74:26 80:756 81:611 82:549
83:375 84:369 85:494 86:400 87:261 88:45
89:101 124:196 125:278 128:162 129:173 130:108
131:319 132:33 133:8 134:150 135:47 136:177
137:68 138:194 139:75 140:471 141:134 142:393
143:157 144:225 145:40 146:322 147:134 148:335
149:190 150:114 151:80 152:65 153:107 154:6
155:196 156:99 157:120 158:166 159:167 160:86
161:69 162:252 163:145 164:179 165:182 166:166
167:243 168:478 169:134 170:323 171:12 172:1
183:1 190:45 192:5765 193:3396 194:2545 195:1794
196:783 198:3876 199:3266 200:4292 201:668 202:6564
203:6874 204:3932 205:2080 206:2417 207:2929 208:2037
209:3689 210:1919 211:818 212:1248 213:1469 214:339
215:42 216:4081 217:1168 218:240 219:180 220:653
221:351 222:136
End of report
Routing Table Report 04:00 +10GMT Tue 28 Mar, 2006
Analysis Summary
----------------
BGP routing table entries examined: 184831
Prefixes after maximum aggregation: 102501
Unique aggregates announced to Internet: 90104
Total ASes present in the Internet Routing Table: 21809
Origin-only ASes present in the Internet Routing Table: 18949
Origin ASes announcing only one prefix: 9025
Transit ASes present in the Internet Routing Table: 2860
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: 24
Prefixes from unregistered ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1515091168
Equivalent to 90 /8s, 78 /16s and 116 /24s
Percentage of available address space announced: 40.9
Percentage of allocated address space announced: 60.3
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 90574
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 38926
Total APNIC prefixes after maximum aggregation: 16314
Prefixes being announced from the APNIC address blocks: 36644
Unique aggregates announced from the APNIC address blocks: 17947
APNIC Region origin ASes present in the Internet Routing Table: 2522
APNIC Region origin ASes announcing only one prefix: 716
APNIC Region transit ASes present in the Internet Routing Table: 390
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 219114976
Equivalent to 13 /8s, 15 /16s and 109 /24s
Percentage of available APNIC address space announced: 68.5
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, 121/8, 122/7, 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: 96644
Total ARIN prefixes after maximum aggregation: 57155
Prefixes being announced from the ARIN address blocks: 75812
Unique aggregates announced from the ARIN address blocks: 28938
ARIN Region origin ASes present in the Internet Routing Table: 10594
ARIN Region origin ASes announcing only one prefix: 3957
ARIN Region transit ASes present in the Internet Routing Table: 975
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 293259520
Equivalent to 17 /8s, 122 /16s and 201 /24s
Percentage of available ARIN address space announced: 72.8
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: 36699
Total RIPE prefixes after maximum aggregation: 24544
Prefixes being announced from the RIPE address blocks: 33760
Unique aggregates announced from the RIPE address blocks: 22754
RIPE Region origin ASes present in the Internet Routing Table: 7797
RIPE Region origin ASes announcing only one prefix: 4087
RIPE Region transit ASes present in the Internet Routing Table: 1304
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 242706304
Equivalent to 14 /8s, 119 /16s and 103 /24s
Percentage of available RIPE address space announced: 72.3
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 10527
Total LACNIC prefixes after maximum aggregation: 3601
Prefixes being announced from the LACNIC address blocks: 8706
Unique aggregates announced from the LACNIC address blocks: 5173
LACNIC Region origin ASes present in the Internet Routing Table: 678
LACNIC Region origin ASes announcing only one prefix: 220
LACNIC Region transit ASes present in the Internet Routing Table: 124
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 26073344
Equivalent to 1 /8s, 141 /16s and 217 /24s
Percentage of available LACNIC address space announced: 38.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2026
Total AfriNIC prefixes after maximum aggregation: 887
Prefixes being announced from the AfriNIC address blocks: 1369
Unique aggregates announced from the AfriNIC address blocks: 899
AfriNIC Region origin ASes present in the Internet Routing Table: 150
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 3945216
Equivalent to 0 /8s, 60 /16s and 51 /24s
Percentage of available AfriNIC address space announced: 11.8
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 995 6949 212 CHINANET-BACKBONE
4755 891 259 69 Videsh Sanchar Nigam Ltd. Aut
9583 877 109 16 Sify Limited
4766 676 3923 301 Korea Telecom (KIX)
1221 619 1424 472 Telstra Pty Ltd
9498 559 212 72 BHARTI BT INTERNET LTD.
7545 525 108 71 TPG Internet Pty Ltd
17488 502 31 7 Hathway IP Over Cable Interne
17676 484 6997 107 Softbank BB Corp.
9443 414 95 82 Primus Telecommunications
4802 376 91 171 Wantree Development
2907 336 1749 312 SINET Japan
17974 331 89 32 PT TELEKOMUNIKASI INDONESIA
18101 324 68 23 Reliance Infocom Ltd Internet
17557 319 25 163 Pakistan Telecom
9929 318 218 53 China Netcom Corp.
17849 317 20 105 Telecommunications Technology
7474 305 211 232 SingTel Optus Pty Ltd
4780 280 226 16 Digital United Inc.
9837 269 77 165 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1505 6263 966 AT&T WorldNet Services
4323 1244 714 247 Time Warner Telecom
721 1010 21962 307 DLA Systems Automation Center
6197 1005 620 469 BellSouth Network Solutions,
174 960 5784 907 Cogent Communications
701 945 8048 781 UUNET Technologies, Inc.
18566 923 272 8 Covad Communications
2386 874 520 664 AT&T Data Communications Serv
1239 854 2805 602 Sprint
19029 783 152 112 New Edge Networks
209 699 3607 542 Qwest
20115 674 591 363 Charter Communications
19262 665 1968 156 Verizon Global Networks
22773 642 1480 40 Cox Communications, Inc.
11492 624 86 20 Cable One
7011 611 212 398 Citizens Utilities
6198 583 506 239 BellSouth Network Solutions,
852 576 1088 385 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 587 1951 460 UUNET - Commercial IP service
3301 307 1071 292 TeliaNet Sweden
3352 307 1564 31 Ibernet, Internet Access Netw
8220 289 473 268 COLT Telecommunications
3320 281 3478 233 Deutsche Telekom AG
680 243 2025 240 DFN-IP service G-WiN
3246 231 488 221 Song Networks
6746 231 89 203 Dynamic Network Technologies,
8708 216 276 201 Romania Data Systems S.A.
8551 202 197 23 Bezeq International
24863 200 40 9 LINKdotNET AS number
1257 197 710 172 SWIPnet Swedish IP Network
3269 194 2085 75 TELECOM ITALIA
3215 186 1542 88 France Telecom Transpac
9121 174 931 26 TTnet Autonomous System
786 171 1778 171 The JANET IP Service
8866 170 37 14 Bulgarian Telecommunication C
5400 166 328 135 BT Ignite European Backbone
6830 166 765 35 UPC Distribution Services
5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 600 1051 226 UniNet S.A. de C.V.
22047 384 142 10 VTR PUNTO NET S.A.
11172 320 110 83 Servicios Alestra S.A de C.V
16814 279 18 7 NSS, S.A.
14117 185 12 6 Telefonica del Sur S.A.
7303 159 75 20 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
11556 132 80 4 Cable-Wireless Panama
5639 127 12 9 Telecommunications Services o
21826 123 16 20 INTERCABLE
19169 122 8 32 Telconet
6503 121 149 75 AVANTEL, S.A.
10481 121 48 8 Prima S.A.
6505 106 88 78 Global One Communicaoes Ltda
23216 100 20 7 RAMtelecom Telecomunicaciones
18822 99 8 10 TELEFONICA MANQUEHUE
25620 97 6 3 COTAS LTDA
7315 96 6 3 Grupo Rey Moreno
19429 95 52 42 E.T.B.
4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 272 802 229 The Internet Solution
8452 165 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
15475 128 84 4 Nile Online
2018 124 314 105 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 83 50 7 RAYA Telecom - Egypt
2905 74 155 67 The Internetworking Company o
20928 57 16 2 Noor Advanced Technologies AS
5713 39 294 35 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
8346 20 13 17 SONATEL-AS Autonomous System
21280 20 5 5 Swift Global Kenya Ltd.Is an
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1244 997 Time Warner Telecom
18566 923 915 Covad Communications
9583 877 861 Sify Limited
4755 891 822 Videsh Sanchar Nigam Ltd. Aut
4134 995 783 CHINANET-BACKBONE
721 1010 703 DLA Systems Automation Center
19029 783 671 New Edge Networks
11492 624 604 Cable One
22773 642 602 Cox Communications, Inc.
6197 1005 536 BellSouth Network Solutions,
19262 665 509 Verizon Global Networks
19916 563 509 OLM LLC
5668 526 501 CenturyTel Internet Holdings,
17488 502 495 Hathway IP Over Cable Interne
9498 559 487 BHARTI BT INTERNET LTD.
855 546 482 Canadian Research Network
7545 525 454 TPG Internet Pty Ltd
7757 473 454 AT&T Broadband
3602 538 429 Sprint Canada, Inc.
812 438 410 Rogers WAVE
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio
28871 UNALLOCATED 213.167.224.0/24 12541 Cable & Wireless Eur
28871 UNALLOCATED 213.167.224.0/19 15734 IDH Autonomous Syste
28871 UNALLOCATED 213.167.225.0/24 15734 IDH Autonomous Syste
28871 UNALLOCATED 213.167.226.0/24 15734 IDH Autonomous Syste
28871 UNALLOCATED 213.167.227.0/24 15734 IDH Autonomous Syste
28871 UNALLOCATED 213.167.228.0/23 15734 IDH Autonomous Syste
35113 UNALLOCATED 217.67.48.0/20 8190 VIATEL
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:8 /11:27 /12:87
/13:199 /14:353 /15:693 /16:8767 /17:3147 /18:5158
/19:11436 /20:12852 /21:11079 /22:14196 /23:15324 /24:100481
/25:341 /26:247 /27:215 /28:66 /29:58 /30:36
/31:0 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 906 923 Covad Communications
7018 799 1505 AT&T WorldNet Services
6197 794 1005 BellSouth Network Solutions,
19029 710 783 New Edge Networks
9583 696 877 Sify Limited
11492 615 624 Cable One
4323 602 1244 Time Warner Telecom
2386 598 874 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 523 611 Citizens Utilities
4766 485 676 Korea Telecom (KIX)
7757 455 473 AT&T Broadband
6198 441 583 BellSouth Network Solutions,
855 420 546 Canadian Research Network
5668 406 526 CenturyTel Internet Holdings,
1239 380 854 Sprint
702 368 587 UUNET - Commercial IP service
15270 366 396 PaeTec.net -a division of Pae
6517 347 377 Yipes Communications, Inc.
22773 336 642 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:38 12:1619 13:1 15:12 16:3
17:3 18:4 20:43 24:871 25:1 30:2
32:67 38:203 40:54 44:3 47:6 52:4
55:1 56:3 57:33 58:149 59:189 60:177
61:822 62:810 63:1922 64:3116 65:2227 66:3072
67:614 68:678 69:1430 70:314 71:63 72:649
73:23 74:26 80:755 81:610 82:548 83:375
84:364 85:491 86:389 87:261 88:46 89:97
124:196 125:275 128:164 129:174 130:108 131:319
132:33 133:8 134:149 135:47 136:176 137:68
138:194 139:75 140:472 141:140 142:393 143:157
144:224 145:40 146:322 147:134 148:336 149:190
150:114 151:79 152:65 153:107 154:6 155:196
156:99 157:120 158:166 159:167 160:85 161:69
162:217 163:144 164:179 165:182 166:146 167:243
168:479 169:134 170:322 171:12 172:1 183:1
190:45 192:5747 193:3393 194:2544 195:1793 196:774
198:3873 199:3257 200:4297 201:669 202:6549 203:6874
204:3935 205:2081 206:2424 207:2929 208:2037 209:3689
210:1916 211:814 212:1242 213:1470 214:339 215:42
216:4088 217:1158 218:240 219:180 220:654 221:351
222:159
End of report
