Routing Table Report 04:00 +10GMT Wed 04 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122200 Prefixes after maximum aggregation: 15204 Unique aggregates announced to Internet: 102 Total ASes present in the Internet Routing Table: 15180 Origin-only ASes present in the Internet Routing Table: 13139 Origin ASes announcing only one prefix: 5991 Transit ASes present in the Internet Routing Table: 2041 Transit-only ASes present in the Internet Routing Table: 61 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 16984561 Equivalent to 1 /8s, 3 /16s and 41 /24s Percentage of available address space announced: 0.5 Percentage of allocated address space announced: 0.8 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 102 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21626 Total APNIC prefixes after maximum aggregation: 1855 Prefixes being announced from the APNIC address blocks: 122085 Unique aggregates announced from the APNIC address blocks: 70 APNIC Region origin ASes present in the Internet Routing Table: 1795 APNIC Region origin ASes announcing only one prefix: 525 APNIC Region transit ASes present in the Internet Routing Table: 302 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 53489 Equivalent to 0 /8s, 0 /16s and 208 /24s Percentage of available APNIC address space announced: 0.0 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 74074 Total ARIN prefixes after maximum aggregation: 8398 Prefixes being announced from the ARIN address blocks: 16 Unique aggregates announced from the ARIN address blocks: 11 ARIN Region origin ASes present in the Internet Routing Table: 8387 ARIN Region origin ASes announcing only one prefix: 2877 ARIN Region transit ASes present in the Internet Routing Table: 831 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 6144 Equivalent to 0 /8s, 0 /16s and 24 /24s Percentage of available ARIN address space announced: 0.0 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 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, 29695 - 30719 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 21264 Total RIPE prefixes after maximum aggregation: 4619 Prefixes being announced from the RIPE address blocks: 46 Unique aggregates announced from the RIPE address blocks: 20 RIPE Region origin ASes present in the Internet Routing Table: 4605 RIPE Region origin ASes announcing only one prefix: 2502 RIPE Region transit ASes present in the Internet Routing Table: 819 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 147712 Equivalent to 0 /8s, 2 /16s and 65 /24s Percentage of available RIPE address space announced: 0.1 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5224 Total LACNIC prefixes after maximum aggregation: 332 Prefixes being announced from the LACNIC address blocks: 1 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 332 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available LACNIC address space announced: 0.0 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1187 0 1 Telstra Pty Ltd 4755 441 8 15 Videsh Sanchar Nigam Ltd. Aut 2907 374 0 1 SINET Japan 17557 360 0 1 Pakistan Telecom 2764 344 0 18 connect.com.au pty ltd 703 343 0 2 UUNET 7474 313 0 2 Optus Communications Pty Ltd 4814 297 0 1 China Telecom (Group) 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 4134 230 0 1 Data Communications Bureau 9583 228 0 1 Satyam Infoway Ltd., 4766 211 0 1 Korea Internet Exchange for " 9443 182 0 1 Primus Telecommunications 9800 182 0 1 CHINA UNICOM 9498 143 0 1 BHARTI BT INTERNET LTD. 4739 139 0 2 Commerical Internet eXchange 9238 134 0 1 TATA ISP 4716 128 0 1 TTnet 4713 124 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1528 0 1 UUNET Technologies, Inc. 7018 1337 0 1 AT&T 7132 988 0 1 Southwestern Bell Internet Se 1239 952 0 1 Sprint 3908 897 0 1 Supernet, Inc. 11305 657 0 1 Interland Incorporated 7843 631 0 1 Adelphia Corp. 4323 597 0 1 Time Warner Communications, I 852 525 0 1 Telus Advanced Communications 705 510 0 1 UUNET Technologies, Inc. 2386 496 0 1 AT&T Data Communications Serv 209 493 0 1 Qwest 6197 491 0 1 BellSouth Network Solutions, 20115 465 0 1 Charter Communications 6198 464 0 1 BellSouth Network Solutions, 690 452 0 1 Merit Network 1 442 0 1 GENUITY 4355 400 0 1 EarthLink, Inc. 3561 382 0 1 Cable & Wireless USA 6347 362 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 746 0 1 UUNET - Commercial IP service 3320 344 0 1 Deutsche Telekom AG 3301 302 0 1 TeliaNet Sweden 3215 300 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 1257 226 0 1 SWIPnet Swedish IP Network 8220 223 0 1 COLT Internet - International 5400 211 0 1 BT Ignite European Backbone 5515 180 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 140 0 1 Swisscom Ltd 8895 131 0 1 KACST/ISU Riyadh Autonomous S 12302 128 0 1 MobiFon S.A. 2856 124 0 1 BTnet UK Regional network 3269 116 0 1 TELECOM ITALIA 3246 115 0 1 Song Networks 3352 109 0 1 Ibernet, Internet Access Netw 5511 95 0 1 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 295 0 1 ImpSat 7303 237 0 1 Telecom Argentina Stet-France 8151 216 0 1 UniNet S.A. de C.V. 11172 170 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 129 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 100 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 8065 79 0 1 Empresas Publicas de Medellin 6535 74 0 1 Chilesat Servicios Empresari 1916 72 0 1 Fundacao de Amparo a Pesquisa 15311 71 0 1 Telefonica Empresas 4270 68 0 1 Red de Interconexion Universi 13999 68 0 1 Mega Cable S.A. de C.V. 11830 66 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7738 63 0 1 Telecomunicacoes da Bahia S.A 15034 62 0 1 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1337 1336 AT&T 1221 1187 1186 Telstra Pty Ltd 7132 988 987 Southwestern Bell Internet Se 1239 952 951 Sprint 3908 897 896 Supernet, Inc. 702 746 745 UUNET - Commercial IP service 11305 657 656 Interland Incorporated 7843 631 630 Adelphia Corp. 4323 597 596 Time Warner Communications, I 852 525 524 Telus Advanced Communications 705 510 509 UUNET Technologies, Inc. 2386 496 495 AT&T Data Communications Serv 209 493 492 Qwest 6197 491 490 BellSouth Network Solutions, 20115 465 464 Charter Communications 6198 464 463 BellSouth Network Solutions, 690 452 451 Merit Network 1 442 441 GENUITY 4755 441 426 Videsh Sanchar Nigam Ltd. Aut List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 65516 PRIVATE 203.14.8.16/24 17621 China Netcom Corp. 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:1 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:40 /17:5 /18:6 /19:10 /20:10 /21:9 /22:21 /23:16 /24:122057 /25:5 /26:0 /27:1 /28:2 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 22 344 connect.com.au pty ltd 2914 18 295 Verio, Inc. 4755 17 441 Videsh Sanchar Nigam Ltd. Aut 7474 5 313 Optus Communications Pty Ltd 8301 5 12 GIBRALTAR NYNEX COMMUNICATION 21391 4 8 TDA AS Maintainer 25222 3 19 Xantic b.v. 12798 2 2 Victor Chandler International 20459 2 3 Telecom Namibia 21166 2 9 Satgate autonomous system 21249 2 2 Rutil Ltd. Autonomous System 23389 2 2 VidcomNet Inc 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 6163 1 13 Mosaic Communications Inc. 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 8306 1 2 GibNet Ltd 9070 1 35 ITD Netowrk 9299 1 3 Philippine Long Distance Tele Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:18 80:2 193:1 195:7 198:2 202:30 203:56432 204:1 205:3 206:1 209:2 210:5 212:6 216:1 217:1 219:8 End of report