Routing Table Report 04:00 +10GMT Mon 06 Oct, 2003 Analysis Summary ---------------- BGP routing table entries examined: 126709 Prefixes after maximum aggregation: 15888 Unique aggregates announced to Internet: 160 Total ASes present in the Internet Routing Table: 15845 Origin-only ASes present in the Internet Routing Table: 13714 Origin ASes announcing only one prefix: 6266 Transit ASes present in the Internet Routing Table: 2131 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: 603905 Equivalent to 0 /8s, 9 /16s and 55 /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: 740 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22488 Total APNIC prefixes after maximum aggregation: 1993 Prefixes being announced from the APNIC address blocks: 125948 Unique aggregates announced from the APNIC address blocks: 147 APNIC Region origin ASes present in the Internet Routing Table: 1887 APNIC Region origin ASes announcing only one prefix: 549 APNIC Region transit ASes present in the Internet Routing Table: 306 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 434689 Equivalent to 0 /8s, 6 /16s and 162 /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: 76527 Total ARIN prefixes after maximum aggregation: 8665 Prefixes being announced from the ARIN address blocks: 697 Unique aggregates announced from the ARIN address blocks: 3 ARIN Region origin ASes present in the Internet Routing Table: 8661 ARIN Region origin ASes announcing only one prefix: 2989 ARIN Region transit ASes present in the Internet Routing Table: 864 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 3328 Equivalent to 0 /8s, 0 /16s and 13 /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: 22385 Total RIPE prefixes after maximum aggregation: 4885 Prefixes being announced from the RIPE address blocks: 23 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 4880 RIPE Region origin ASes announcing only one prefix: 2627 RIPE Region transit ASes present in the Internet Routing Table: 856 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 165888 Equivalent to 0 /8s, 2 /16s and 136 /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: 5296 Total LACNIC prefixes after maximum aggregation: 345 Prefixes being announced from the LACNIC address blocks: 15 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 345 LACNIC Region origin ASes announcing only one prefix: 101 LACNIC Region transit ASes present in the Internet Routing Table: 73 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 1132 0 1 Telstra Pty Ltd 2907 368 0 1 SINET Japan 4755 367 9 57 Videsh Sanchar Nigam Ltd. Aut 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 276 0 1 Pakistan Telecom 17676 269 0 1 XTAGE CORPORATION 9583 241 0 1 Satyam Infoway Ltd., 3786 235 0 1 DACOM Corporation 4766 234 0 1 Korea Internet Exchange for " 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 156 0 3 RequestDSL BGP AS# for Sydney 9942 152 0 4 COMindico Australia 4739 141 0 4 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1436 0 1 UUNET Technologies, Inc. 7018 1401 0 1 AT&T 6198 1213 0 1 BellSouth Network Solutions, 6197 979 0 1 BellSouth Network Solutions, 3908 929 0 1 Supernet, Inc. 1239 917 0 1 Sprint 18566 701 0 1 Covad Communications 4323 675 0 1 Time Warner Communications, I 3356 589 0 1 Level 3 Communications, LLC 7843 531 0 1 Adelphia Corp. 852 515 0 1 Telus Advanced Communications 209 504 0 1 Qwest 20115 465 0 1 Charter Communications 690 411 0 1 Merit Network 705 403 0 1 UUNET Technologies, Inc. 4355 390 0 2 EarthLink, Inc. 2386 376 0 1 AT&T Data Communications Serv 6347 348 0 1 SAVVIS Communications Corpora 19029 339 0 1 New Edge Networks 3549 333 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 706 0 1 UUNET - Commercial IP service 3301 293 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 786 178 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 1 France Telecom Transpac's Tra 3352 98 0 1 Ibernet, Internet Access Netw 9051 87 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 339 0 1 ImpSat 8151 228 0 1 UniNet S.A. de C.V. 7303 217 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 88 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 7927 67 0 1 Global One Venezuela 4270 65 0 1 Red de Interconexion Universi 7080 64 0 1 Electronica y Comunicaciones 1916 60 0 1 Fundacao de Amparo a Pesquisa 10292 58 0 1 TELECOMMUNICATIONS OF JAMAICA 4926 57 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1401 1400 AT&T 6198 1213 1212 BellSouth Network Solutions, 1221 1132 1131 Telstra Pty Ltd 6197 979 978 BellSouth Network Solutions, 3908 929 928 Supernet, Inc. 1239 917 916 Sprint 702 706 705 UUNET - Commercial IP service 18566 701 700 Covad Communications 4323 675 674 Time Warner Communications, I 3356 589 588 Level 3 Communications, LLC 7843 531 530 Adelphia Corp. 852 515 514 Telus Advanced Communications 209 504 503 Qwest 20115 465 464 Charter Communications 690 411 410 Merit Network 705 403 402 UUNET Technologies, Inc. 4355 390 388 EarthLink, Inc. 2386 376 375 AT&T Data Communications Serv 2907 368 367 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 /19:5 /20:4 /21:219 /22:10 /23:487 /24:125934 /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 43 SingNet 7474 5 326 Optus Communications Pty Ltd 7633 5 133 Software Technology Parks of 4755 4 367 Videsh Sanchar Nigam Ltd. Aut 4355 1 390 EarthLink, Inc. 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 12833 1 1 Sistema de Mail para Todos do 15975 1 8 Palnet Communications Ltd. AS 19325 1 5 Data-Vision, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:17 64:2 69:1 164:5 165:1 193:1 198:3 199:1 200:15 202:25 203:60322 206:1 210:3 End of report