Routing Table Report 04:00 +10GMT Tue 07 Oct, 2003 Analysis Summary ---------------- BGP routing table entries examined: 126800 Prefixes after maximum aggregation: 15914 Unique aggregates announced to Internet: 169 Total ASes present in the Internet Routing Table: 15859 Origin-only ASes present in the Internet Routing Table: 13722 Origin ASes announcing only one prefix: 6271 Transit ASes present in the Internet Routing Table: 2137 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 30 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: 615937 Equivalent to 0 /8s, 9 /16s and 102 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 761 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22497 Total APNIC prefixes after maximum aggregation: 1998 Prefixes being announced from the APNIC address blocks: 126023 Unique aggregates announced from the APNIC address blocks: 149 APNIC Region origin ASes present in the Internet Routing Table: 1892 APNIC Region origin ASes announcing only one prefix: 553 APNIC Region transit ASes present in the Internet Routing Table: 308 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 435201 Equivalent to 0 /8s, 6 /16s and 164 /24s Percentage of available APNIC address space announced: 0.2 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: 76539 Total ARIN prefixes after maximum aggregation: 8680 Prefixes being announced from the ARIN address blocks: 711 Unique aggregates announced from the ARIN address blocks: 7 ARIN Region origin ASes present in the Internet Routing Table: 8667 ARIN Region origin ASes announcing only one prefix: 2993 ARIN Region transit ASes present in the Internet Routing Table: 863 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 3840 Equivalent to 0 /8s, 0 /16s and 15 /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: 22414 Total RIPE prefixes after maximum aggregation: 4890 Prefixes being announced from the RIPE address blocks: 36 Unique aggregates announced from the RIPE address blocks: 13 RIPE Region origin ASes present in the Internet Routing Table: 4882 RIPE Region origin ASes announcing only one prefix: 2623 RIPE Region transit ASes present in the Internet Routing Table: 864 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 176896 Equivalent to 0 /8s, 2 /16s and 179 /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 30720 - 31743 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: 5337 Total LACNIC prefixes after maximum aggregation: 346 Prefixes being announced from the LACNIC address blocks: 0 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 346 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 7.2 Max LACNIC Region AS path length visible: 22 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 1130 0 1 Telstra Pty Ltd 4755 370 9 58 Videsh Sanchar Nigam Ltd. Aut 2907 369 0 1 SINET Japan 4134 354 0 1 Data Communications Bureau 703 338 0 2 UUNET 7474 326 0 2 Optus Communications Pty Ltd 2764 302 0 1 connect.com.au pty ltd 17557 279 0 1 Pakistan Telecom 17676 270 0 1 XTAGE CORPORATION 3786 235 0 1 DACOM Corporation 4766 234 0 1 Korea Internet Exchange for " 9583 234 0 1 Satyam Infoway Ltd., 4538 207 0 1 China Education and Research 9800 203 0 1 CHINA UNICOM 9498 184 0 1 BHARTI BT INTERNET LTD. 9443 183 0 1 Primus Telecommunications 9929 171 0 1 China Netcom Corp. 17642 154 0 3 RequestDSL BGP AS# for Sydney 9942 152 0 4 COMindico Australia 4739 142 0 4 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1435 0 1 UUNET Technologies, Inc. 7018 1402 0 1 AT&T 6198 1185 0 1 BellSouth Network Solutions, 6197 968 0 1 BellSouth Network Solutions, 3908 930 0 1 Supernet, Inc. 1239 918 0 1 Sprint 18566 701 0 1 Covad Communications 4323 674 0 1 Time Warner Communications, I 3356 590 0 1 Level 3 Communications, LLC 7843 530 0 1 Adelphia Corp. 852 516 0 1 Telus Advanced Communications 209 506 0 1 Qwest 20115 465 0 1 Charter Communications 690 411 0 1 Merit Network 705 401 0 1 UUNET Technologies, Inc. 4355 391 0 1 EarthLink, Inc. 2386 380 0 1 AT&T Data Communications Serv 6347 348 0 1 SAVVIS Communications Corpora 19029 338 0 1 New Edge Networks 3561 336 0 1 Cable & Wireless USA RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 708 0 1 UUNET - Commercial IP service 3301 295 0 1 TeliaNet Sweden 3320 278 0 1 Deutsche Telekom AG 8220 258 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 230 0 1 SWIPnet Swedish IP Network 3215 186 0 1 France Telecom Transpac 5515 186 0 1 Sonera Solution Autonomous Sy 5400 185 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 158 0 1 Romania Data Systems S.A. 3303 149 0 1 Swisscom Ltd 3246 129 0 1 Song Networks 12302 127 0 1 MobiFon S.A. 3269 119 0 1 TELECOM ITALIA 2856 113 0 1 BTnet UK Regional network 25186 108 0 2 France Telecom Transpac's Tra 3352 98 0 1 Ibernet, Internet Access Netw 1267 90 0 1 Infostrada S.p.A. LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 339 0 1 ImpSat 8151 235 0 1 UniNet S.A. de C.V. 7303 218 0 1 Telecom Argentina Stet-France 11172 187 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 6503 127 0 1 AVANTEL, S.A. 10620 122 0 1 TVCABLE BOGOTA 11992 89 0 1 Integrated Systems 6147 86 0 1 Telefonica Del Peru 8065 82 0 1 Empresas Publicas de Medellin 6505 80 0 1 Global One Communicaoes Ltda 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 11830 75 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 7927 67 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 1916 60 0 1 Fundacao de Amparo a Pesquisa 4926 57 0 1 Telintar S.A. 10292 57 0 1 TELECOMMUNICATIONS OF JAMAICA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1402 1401 AT&T 6198 1185 1184 BellSouth Network Solutions, 1221 1130 1129 Telstra Pty Ltd 6197 968 967 BellSouth Network Solutions, 3908 930 929 Supernet, Inc. 1239 918 917 Sprint 702 708 707 UUNET - Commercial IP service 18566 701 700 Covad Communications 4323 674 673 Time Warner Communications, I 3356 590 589 Level 3 Communications, LLC 7843 530 529 Adelphia Corp. 852 516 515 Telus Advanced Communications 209 506 505 Qwest 20115 465 464 Charter Communications 690 411 410 Merit Network 705 401 400 UUNET Technologies, Inc. 4355 391 390 EarthLink, Inc. 2386 380 379 AT&T Data Communications Serv 2907 369 368 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:4 /17:12 /18:29 /19:7 /20:5 /21:219 /22:10 /23:490 /24:126019 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 691 701 Covad Communications 2914 17 280 Verio, Inc. 3758 12 42 SingNet 5425 8 35 SpiderNet Services Ltd 7474 5 326 Optus Communications Pty Ltd 7633 5 133 Software Technology Parks of 29761 5 8 OC3 Networks & Web Solutions, 4755 4 370 Videsh Sanchar Nigam Ltd. Aut 6532 4 6 SGN, Inc. 16653 3 4 INETmax 5516 1 6 INESC - Instituto de Engenhar 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 13052 1 2 Kvalito IT AS autonomous syst 16838 1 16 VeriSign Inc 25186 1 108 France Telecom Transpac's Tra 25482 1 1 Autonomous System of Selena I Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:17 64:6 65:5 69:1 164:5 165:1 192:4 194:7 198:3 199:2 202:30 203:60393 206:1 207:1 209:2 210:3 216:1 217:1 End of report