Routing Table Report 04:00 +10GMT Thu 05 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122184 Prefixes after maximum aggregation: 15243 Unique aggregates announced to Internet: 141 Total ASes present in the Internet Routing Table: 15186 Origin-only ASes present in the Internet Routing Table: 13147 Origin ASes announcing only one prefix: 5988 Transit ASes present in the Internet Routing Table: 2039 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: 780785 Equivalent to 0 /8s, 11 /16s and 233 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 115 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21631 Total APNIC prefixes after maximum aggregation: 1880 Prefixes being announced from the APNIC address blocks: 122076 Unique aggregates announced from the APNIC address blocks: 93 APNIC Region origin ASes present in the Internet Routing Table: 1798 APNIC Region origin ASes announcing only one prefix: 529 APNIC Region transit ASes present in the Internet Routing Table: 301 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 99057 Equivalent to 0 /8s, 1 /16s and 130 /24s Percentage of available APNIC address space announced: 0.1 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: 74131 Total ARIN prefixes after maximum aggregation: 8403 Prefixes being announced from the ARIN address blocks: 38 Unique aggregates announced from the ARIN address blocks: 16 ARIN Region origin ASes present in the Internet Routing Table: 8389 ARIN Region origin ASes announcing only one prefix: 2872 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: 32512 Equivalent to 0 /8s, 0 /16s and 127 /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: 21188 Total RIPE prefixes after maximum aggregation: 4627 Prefixes being announced from the RIPE address blocks: 55 Unique aggregates announced from the RIPE address blocks: 32 RIPE Region origin ASes present in the Internet Routing Table: 4605 RIPE Region origin ASes announcing only one prefix: 2499 RIPE Region transit ASes present in the Internet Routing Table: 817 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 649216 Equivalent to 0 /8s, 9 /16s and 232 /24s Percentage of available RIPE address space announced: 0.4 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: 5222 Total LACNIC prefixes after maximum aggregation: 333 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: 333 LACNIC Region origin ASes announcing only one prefix: 88 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 1185 0 1 Telstra Pty Ltd 4755 444 8 15 Videsh Sanchar Nigam Ltd. Aut 2907 375 0 1 SINET Japan 17557 356 0 1 Pakistan Telecom 2764 344 0 18 connect.com.au pty ltd 703 343 0 2 UUNET 7474 315 0 2 Optus Communications Pty Ltd 4814 296 0 1 China Telecom (Group) 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 4134 232 0 1 Data Communications Bureau 9583 230 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 146 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 1525 0 1 UUNET Technologies, Inc. 7018 1338 0 1 AT&T 7132 988 0 1 Southwestern Bell Internet Se 1239 951 0 1 Sprint 3908 900 0 1 Supernet, Inc. 11305 657 0 1 Interland Incorporated 7843 611 0 1 Adelphia Corp. 4323 596 0 1 Time Warner Communications, I 852 522 0 1 Telus Advanced Communications 705 510 0 1 UUNET Technologies, Inc. 2386 498 0 1 AT&T Data Communications Serv 209 494 0 1 Qwest 6197 490 0 1 BellSouth Network Solutions, 6198 467 0 1 BellSouth Network Solutions, 20115 462 0 1 Charter Communications 690 452 0 1 Merit Network 1 444 0 1 GENUITY 4355 400 0 1 EarthLink, Inc. 3561 383 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 702 748 0 1 UUNET - Commercial IP service 3301 302 0 1 TeliaNet Sweden 3215 294 0 1 France Telecom Transpac 3320 263 0 1 Deutsche Telekom AG 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 152 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 117 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 238 0 1 Telecom Argentina Stet-France 8151 216 0 1 UniNet S.A. de C.V. 11172 171 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 89 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 13999 68 0 1 Mega Cable S.A. de C.V. 4270 67 0 1 Red de Interconexion Universi 11830 65 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 15034 62 0 1 TIBA SA 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65534 * 7018 1338 1337 AT&T 1221 1185 1184 Telstra Pty Ltd 7132 988 987 Southwestern Bell Internet Se 1239 951 950 Sprint 3908 900 899 Supernet, Inc. 702 748 747 UUNET - Commercial IP service 11305 657 656 Interland Incorporated 7843 611 610 Adelphia Corp. 4323 596 595 Time Warner Communications, I 852 522 521 Telus Advanced Communications 705 510 509 UUNET Technologies, Inc. 2386 498 497 AT&T Data Communications Serv 209 494 493 Qwest 6197 490 489 BellSouth Network Solutions, 6198 467 466 BellSouth Network Solutions, 20115 462 461 Charter Communications 690 452 451 Merit Network 1 444 443 GENUITY 4755 444 429 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 /8:0 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:11 /17:7 /18:11 /19:21 /20:11 /21:9 /22:25 /23:15 /24:122049 /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 17 444 Videsh Sanchar Nigam Ltd. Aut 16787 13 64 HSA Corporation 5668 5 201 Century Telephone 7474 5 315 Optus Communications Pty Ltd 5422 4 6 Superonline Corporate Busines 12735 4 6 Netone Bilgi Ve Iletisim Hizm 12987 4 5 DATASSIST Autonomous System 6001 2 7 HQ USASC - USANETA 12792 2 3 CINET Autonomous System 376 1 212 Reseau Interordinateurs Scien 2600 1 1 TEKSTILBANK A.S. 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 13138 1 1 TEB Communications Autonomous 14345 1 4 Crescent Technology Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 24:11 57:1 61:17 63:1 65:1 66:2 132:1 144:2 164:1 196:1 198:1 202:33 203:56412 206:4 207:6 208:1 209:1 210:5 212:3 219:8 End of report