Routing Table Report 04:00 +10GMT Wed 17 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124992 Prefixes after maximum aggregation: 15904 Unique aggregates announced to Internet: 279 Total ASes present in the Internet Routing Table: 15765 Origin-only ASes present in the Internet Routing Table: 13631 Origin ASes announcing only one prefix: 6237 Transit ASes present in the Internet Routing Table: 2134 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 36 Illegal AS announcements present in the Routing Table: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 637617 Equivalent to 0 /8s, 9 /16s and 186 /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: 806 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22466 Total APNIC prefixes after maximum aggregation: 2079 Prefixes being announced from the APNIC address blocks: 124253 Unique aggregates announced from the APNIC address blocks: 261 APNIC Region origin ASes present in the Internet Routing Table: 1883 APNIC Region origin ASes announcing only one prefix: 549 APNIC Region transit ASes present in the Internet Routing Table: 313 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 533681 Equivalent to 0 /8s, 8 /16s and 36 /24s Percentage of available APNIC address space announced: 0.3 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: 74924 Total ARIN prefixes after maximum aggregation: 8624 Prefixes being announced from the ARIN address blocks: 703 Unique aggregates announced from the ARIN address blocks: 11 ARIN Region origin ASes present in the Internet Routing Table: 8611 ARIN Region origin ASes announcing only one prefix: 2969 ARIN Region transit ASes present in the Internet Routing Table: 849 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 4608 Equivalent to 0 /8s, 0 /16s and 18 /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: 22263 Total RIPE prefixes after maximum aggregation: 4857 Prefixes being announced from the RIPE address blocks: 20 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4849 RIPE Region origin ASes announcing only one prefix: 2623 RIPE Region transit ASes present in the Internet Routing Table: 871 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 99328 Equivalent to 0 /8s, 1 /16s and 132 /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: 5322 Total LACNIC prefixes after maximum aggregation: 344 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: 344 LACNIC Region origin ASes announcing only one prefix: 96 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 32 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 1149 0 1 Telstra Pty Ltd 4755 391 19 87 Videsh Sanchar Nigam Ltd. Aut 2907 370 0 1 SINET Japan 703 358 0 2 UUNET 7474 332 0 2 Optus Communications Pty Ltd 2764 322 1 20 connect.com.au pty ltd 4134 317 0 1 Data Communications Bureau 17557 307 0 1 Pakistan Telecom 17676 259 0 1 XTAGE CORPORATION 9583 251 0 1 Satyam Infoway Ltd., 3786 237 0 1 DACOM Corporation 4766 233 0 1 Korea Internet Exchange for " 9800 203 0 1 CHINA UNICOM 9443 184 0 3 Primus Telecommunications 9498 184 0 1 BHARTI BT INTERNET LTD. 9942 174 8 30 COMindico Australia 4538 170 0 1 China Education and Research 9929 155 0 1 China Netcom Corp. 17642 155 0 3 RequestDSL BGP AS# for Sydney 4739 142 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1459 0 1 UUNET Technologies, Inc. 7018 1405 0 1 AT&T 1239 914 0 1 Sprint 3908 908 0 1 Supernet, Inc. 18566 686 0 1 Covad Communications 4323 640 0 1 Time Warner Communications, I 6197 611 0 1 BellSouth Network Solutions, 3356 525 0 1 Level 3 Communications, LLC 7843 519 0 1 Adelphia Corp. 852 515 0 1 Telus Advanced Communications 209 508 0 1 Qwest 6198 495 0 1 BellSouth Network Solutions, 20115 470 0 1 Charter Communications 705 419 0 1 UUNET Technologies, Inc. 690 411 0 1 Merit Network 4355 391 0 1 EarthLink, Inc. 2386 372 0 1 AT&T Data Communications Serv 6347 353 0 1 SAVVIS Communications Corpora 3549 341 0 1 Global Crossing 19029 341 0 1 New Edge Networks 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 267 0 1 Deutsche Telekom AG 8220 266 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 227 0 1 SWIPnet Swedish IP Network 3215 200 0 1 France Telecom Transpac 5515 186 0 1 Sonera Solution Autonomous Sy 5400 180 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 155 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 3246 126 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 2856 112 0 1 BTnet UK Regional network 25186 99 0 1 France Telecom Transpac's Tra 3352 98 0 1 Ibernet, Internet Access Netw 6746 89 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 343 0 1 ImpSat 7303 241 0 1 Telecom Argentina Stet-France 8151 233 0 1 UniNet S.A. de C.V. 11172 189 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 6503 130 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 6147 89 0 1 Telefonica Del Peru 11992 87 0 1 Integrated Systems 8065 82 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 1916 70 0 1 Fundacao de Amparo a Pesquisa 11830 70 0 1 Instituto Costarricense de El 7927 68 0 1 Global One Venezuela 4270 67 0 1 Red de Interconexion Universi 7080 64 0 1 Electronica y Comunicaciones 7984 59 0 1 Global One Colombia 13999 58 0 1 Mega Cable S.A. de C.V. 4926 57 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1405 1404 AT&T 1221 1149 1148 Telstra Pty Ltd 1239 914 913 Sprint 3908 908 907 Supernet, Inc. 702 708 707 UUNET - Commercial IP service 18566 686 685 Covad Communications 4323 640 639 Time Warner Communications, I 6197 611 610 BellSouth Network Solutions, 3356 525 524 Level 3 Communications, LLC 7843 519 518 Adelphia Corp. 852 515 514 Telus Advanced Communications 209 508 507 Qwest 6198 495 494 BellSouth Network Solutions, 20115 470 469 Charter Communications 705 419 418 UUNET Technologies, Inc. 690 411 410 Merit Network 4355 391 390 EarthLink, Inc. 2386 372 371 AT&T Data Communications Serv 2907 370 369 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 65001 PRIVATE 203.14.8.16/24 4635 Hong Kong Internet E 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 23780 UNALLOCATED 203.14.8.16/24 2516 Kokusai Denshin Denw 23780 UNALLOCATED 203.14.8.16/24 2516 Kokusai Denshin Denw 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 /16:5 /17:11 /18:17 /19:9 /20:6 /21:220 /22:33 /23:509 /24:124157 /25:4 /26:1 /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 18566 676 686 Covad Communications 9942 34 174 COMindico Australia 2764 22 322 connect.com.au pty ltd 4755 22 391 Videsh Sanchar Nigam Ltd. Aut 2914 17 291 Verio, Inc. 6316 7 33 StarNet, Inc. 7474 5 332 Optus Communications Pty Ltd 28718 3 3 George Frangos Representation 20770 2 3 Kiev UA 25132 2 2 Relcom Podoliya ISP 793 1 1 Oracle Corporation Datacenter 1842 1 16 United States Geological Surv 3255 1 66 Ukrainian Academic and Resear 3908 1 908 Supernet, Inc. 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 6347 1 353 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 17 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 64:3 69:1 192:3 193:6 194:1 198:1 199:2 202:57 203:58498 206:8 207:1 209:1 210:4 219:12 220:6 End of report