Routing Table Report 04:00 +10GMT Fri 08 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123811 Prefixes after maximum aggregation: 15654 Unique aggregates announced to Internet: 211 Total ASes present in the Internet Routing Table: 15559 Origin-only ASes present in the Internet Routing Table: 13459 Origin ASes announcing only one prefix: 6151 Transit ASes present in the Internet Routing Table: 2100 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: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 623009 Equivalent to 0 /8s, 9 /16s and 129 /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: 100 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22008 Total APNIC prefixes after maximum aggregation: 1997 Prefixes being announced from the APNIC address blocks: 123749 Unique aggregates announced from the APNIC address blocks: 198 APNIC Region origin ASes present in the Internet Routing Table: 1851 APNIC Region origin ASes announcing only one prefix: 534 APNIC Region transit ASes present in the Internet Routing Table: 309 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 494753 Equivalent to 0 /8s, 7 /16s and 140 /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: 74639 Total ARIN prefixes after maximum aggregation: 8541 Prefixes being announced from the ARIN address blocks: 23 Unique aggregates announced from the ARIN address blocks: 4 ARIN Region origin ASes present in the Internet Routing Table: 8535 ARIN Region origin ASes announcing only one prefix: 2924 ARIN Region transit ASes present in the Internet Routing Table: 838 Average ARIN Region AS path length visible: 6.6 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 5376 Equivalent to 0 /8s, 0 /16s and 21 /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: 21938 Total RIPE prefixes after maximum aggregation: 4774 Prefixes being announced from the RIPE address blocks: 26 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 4762 RIPE Region origin ASes announcing only one prefix: 2597 RIPE Region transit ASes present in the Internet Routing Table: 855 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 122880 Equivalent to 0 /8s, 1 /16s and 224 /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: 5213 Total LACNIC prefixes after maximum aggregation: 342 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: 342 LACNIC Region origin ASes announcing only one prefix: 96 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 7.9 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 1154 0 1 Telstra Pty Ltd 4755 426 16 89 Videsh Sanchar Nigam Ltd. Aut 2907 375 0 1 SINET Japan 703 336 0 2 UUNET 2764 332 1 20 connect.com.au pty ltd 7474 320 0 2 Optus Communications Pty Ltd 4134 317 0 1 Data Communications Bureau 17557 297 0 1 Pakistan Telecom 17676 249 0 1 XTAGE CORPORATION 3786 239 0 1 DACOM Corporation 9583 239 0 1 Satyam Infoway Ltd., 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 148 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 1469 0 1 UUNET Technologies, Inc. 7018 1371 0 1 AT&T 1239 944 0 1 Sprint 3908 897 0 1 Supernet, Inc. 7132 855 0 1 Southwestern Bell Internet Se 4323 614 0 1 Time Warner Communications, I 7843 573 0 1 Adelphia Corp. 6197 561 0 1 BellSouth Network Solutions, 852 522 0 1 Telus Advanced Communications 209 520 0 1 Qwest 6198 499 0 1 BellSouth Network Solutions, 705 481 0 1 UUNET Technologies, Inc. 20115 473 0 1 Charter Communications 3356 440 0 1 Level 3 Communications, LLC 690 411 0 1 Merit Network 4355 405 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 230 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 111 0 1 Ibernet, Internet Access Netw 5511 96 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 289 0 1 ImpSat 7303 237 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 131 0 1 AVANTEL, S.A. 10620 125 0 1 TVCABLE BOGOTA 11992 86 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 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 13999 63 0 1 Mega Cable S.A. de C.V. 7984 59 0 1 Global One Colombia 4926 56 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1371 1370 AT&T 1221 1154 1153 Telstra Pty Ltd 1239 944 943 Sprint 3908 897 896 Supernet, Inc. 7132 855 854 Southwestern Bell Internet Se 702 729 728 UUNET - Commercial IP service 4323 614 613 Time Warner Communications, I 7843 573 572 Adelphia Corp. 6197 561 560 BellSouth Network Solutions, 852 522 521 Telus Advanced Communications 209 520 519 Qwest 6198 499 498 BellSouth Network Solutions, 705 481 480 UUNET Technologies, Inc. 20115 473 472 Charter Communications 3356 440 439 Level 3 Communications, LLC 690 411 410 Merit Network 4355 405 404 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 65021 PRIVATE 203.14.8.16/24 619 Department of Navy 65021 PRIVATE 203.14.8.16/24 619 Department of Navy 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 /16:7 /17:9 /18:15 /19:33 /20:7 /21:15 /22:15 /23:16 /24:123668 /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 23 332 connect.com.au pty ltd 2914 18 301 Verio, Inc. 4755 18 426 Videsh Sanchar Nigam Ltd. Aut 6316 8 36 StarNet, Inc. 8233 8 12 TeliaNet UK 7474 5 320 Optus Communications Pty Ltd 16160 4 5 Callino s.r.o. Autonomous sys 1299 2 19 TeliaNet Global Network 2050 1 17 Sprint Enterprise Information 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 16 Sungard Recovery Services, In 9121 1 32 TTnet Autonomous System 9299 1 3 Philippine Long Distance Tele 13003 1 2 Webmatic Kommunikations GmbH 14900 1 220 US LEC Corp 16441 1 26 Intellispace Inc. 17860 1 5 WEBZEN Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:2 65:1 193:1 194:1 195:8 199:1 202:47 203:58038 206:1 210:5 219:8 End of report