Routing Table Report 04:00 +10GMT Thu 07 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123526 Prefixes after maximum aggregation: 15672 Unique aggregates announced to Internet: 230 Total ASes present in the Internet Routing Table: 15559 Origin-only ASes present in the Internet Routing Table: 13469 Origin ASes announcing only one prefix: 6148 Transit ASes present in the Internet Routing Table: 2090 Transit-only ASes present in the Internet Routing Table: 69 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: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 619937 Equivalent to 0 /8s, 9 /16s and 117 /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: 121 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21961 Total APNIC prefixes after maximum aggregation: 2007 Prefixes being announced from the APNIC address blocks: 123448 Unique aggregates announced from the APNIC address blocks: 202 APNIC Region origin ASes present in the Internet Routing Table: 1854 APNIC Region origin ASes announcing only one prefix: 533 APNIC Region transit ASes present in the Internet Routing Table: 307 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 483745 Equivalent to 0 /8s, 7 /16s and 97 /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: 74415 Total ARIN prefixes after maximum aggregation: 8543 Prefixes being announced from the ARIN address blocks: 32 Unique aggregates announced from the ARIN address blocks: 3 ARIN Region origin ASes present in the Internet Routing Table: 8530 ARIN Region origin ASes announcing only one prefix: 2919 ARIN Region transit ASes present in the Internet Routing Table: 834 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 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: 21934 Total RIPE prefixes after maximum aggregation: 4782 Prefixes being announced from the RIPE address blocks: 38 Unique aggregates announced from the RIPE address blocks: 25 RIPE Region origin ASes present in the Internet Routing Table: 4765 RIPE Region origin ASes announcing only one prefix: 2601 RIPE Region transit ASes present in the Internet Routing Table: 852 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 132864 Equivalent to 0 /8s, 2 /16s and 7 /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: 5205 Total LACNIC prefixes after maximum aggregation: 340 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: 340 LACNIC Region origin ASes announcing only one prefix: 95 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 1153 0 1 Telstra Pty Ltd 4755 427 16 89 Videsh Sanchar Nigam Ltd. Aut 2907 375 0 1 SINET Japan 703 336 0 2 UUNET 2764 331 1 20 connect.com.au pty ltd 7474 322 0 2 Optus Communications Pty Ltd 17557 299 0 1 Pakistan Telecom 17676 249 0 1 XTAGE CORPORATION 3786 239 0 1 DACOM Corporation 9583 239 0 1 Satyam Infoway Ltd., 4134 226 0 1 Data Communications Bureau 4766 222 0 1 Korea Internet Exchange for " 9800 195 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 4538 167 0 1 China Education and Research 9498 160 0 1 BHARTI BT INTERNET LTD. 9929 150 0 1 China Netcom Corp. 4739 140 0 5 Commerical Internet eXchange 9238 140 0 1 TATA ISP 4716 132 0 1 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1466 0 1 UUNET Technologies, Inc. 7018 1369 0 1 AT&T 1239 943 0 1 Sprint 3908 897 0 1 Supernet, Inc. 7132 854 0 1 Southwestern Bell Internet Se 4323 612 0 1 Time Warner Communications, I 7843 564 0 1 Adelphia Corp. 6197 560 0 1 BellSouth Network Solutions, 852 520 0 1 Telus Advanced Communications 209 515 0 1 Qwest 6198 499 0 1 BellSouth Network Solutions, 705 480 0 1 UUNET Technologies, Inc. 20115 444 0 1 Charter Communications 3356 442 0 1 Level 3 Communications, LLC 690 411 0 1 Merit Network 4355 403 0 1 EarthLink, Inc. 2386 396 0 1 AT&T Data Communications Serv 6347 361 0 1 SAVVIS Communications Corpora 11305 358 0 1 Interland Incorporated 19029 350 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 729 0 1 UUNET - Commercial IP service 3301 290 0 1 TeliaNet Sweden 3320 256 0 1 Deutsche Telekom AG 8220 247 0 1 COLT Internet - International 680 233 0 1 DFN-IP service G-WiN 1257 228 0 1 SWIPnet Swedish IP Network 3215 212 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 5400 165 0 1 BT Ignite European Backbone 8708 154 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 126 0 1 BTnet UK Regional network 3246 123 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 110 0 1 Ibernet, Internet Access Netw 5511 101 0 1 France Telecom 9051 88 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 290 0 1 ImpSat 7303 241 0 1 Telecom Argentina Stet-France 8151 222 0 1 UniNet S.A. de C.V. 11172 177 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 132 0 1 AVANTEL, S.A. 10620 123 0 1 TVCABLE BOGOTA 11992 87 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 1916 72 0 1 Fundacao de Amparo a Pesquisa 11830 71 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 13999 68 0 1 Mega Cable S.A. de C.V. 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 7984 59 0 1 Global One Colombia 11562 58 0 1 Net-Uno, C.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1369 1368 AT&T 1221 1153 1152 Telstra Pty Ltd 1239 943 942 Sprint 3908 897 896 Supernet, Inc. 7132 854 853 Southwestern Bell Internet Se 702 729 728 UUNET - Commercial IP service 4323 612 611 Time Warner Communications, I 7843 564 563 Adelphia Corp. 6197 560 559 BellSouth Network Solutions, 852 520 519 Telus Advanced Communications 209 515 514 Qwest 6198 499 498 BellSouth Network Solutions, 705 480 479 UUNET Technologies, Inc. 20115 444 443 Charter Communications 3356 442 441 Level 3 Communications, LLC 690 411 410 Merit Network 4355 403 402 EarthLink, Inc. 2386 396 395 AT&T Data Communications Serv 2907 375 374 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 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 /16:2 /17:10 /18:16 /19:32 /20:5 /21:18 /22:22 /23:19 /24:123376 /25:6 /26:1 /27:1 /28:1 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 23 331 connect.com.au pty ltd 2914 18 302 Verio, Inc. 4755 18 427 Videsh Sanchar Nigam Ltd. Aut 13595 9 33 Xplorium 6316 8 36 StarNet, Inc. 8233 8 12 TeliaNet UK 16788 6 6 PurchasePro.com 7474 5 322 Optus Communications Pty Ltd 16617 4 6 CommunityISP, Inc. 25586 4 10 Palestine Online, Ramallah, P 15975 3 7 Palnet Communications Ltd. AS 1299 2 19 TeliaNet Global Network 27445 2 5 Brainstorm Industries 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 6384 1 105 bellsouth.net, inc. 6395 1 114 Broadwing Communications Serv 7381 1 16 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 63:1 64:1 66:4 68:1 195:8 196:1 202:45 203:57737 206:1 210:5 212:9 219:8 End of report