Routing Table Report 04:00 +10GMT Sun 06 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122909 Prefixes after maximum aggregation: 15463 Unique aggregates announced to Internet: 209 Total ASes present in the Internet Routing Table: 15364 Origin-only ASes present in the Internet Routing Table: 13298 Origin ASes announcing only one prefix: 6078 Transit ASes present in the Internet Routing Table: 2066 Transit-only ASes present in the Internet Routing Table: 64 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 255 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: 17238417 Equivalent to 1 /8s, 7 /16s and 9 /24s Percentage of available address space announced: 0.5 Percentage of allocated address space announced: 0.8 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 124 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21687 Total APNIC prefixes after maximum aggregation: 1967 Prefixes being announced from the APNIC address blocks: 122825 Unique aggregates announced from the APNIC address blocks: 189 APNIC Region origin ASes present in the Internet Routing Table: 1826 APNIC Region origin ASes announcing only one prefix: 531 APNIC Region transit ASes present in the Internet Routing Table: 298 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 348049 Equivalent to 0 /8s, 5 /16s and 79 /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: 74159 Total ARIN prefixes after maximum aggregation: 8456 Prefixes being announced from the ARIN address blocks: 52 Unique aggregates announced from the ARIN address blocks: 12 ARIN Region origin ASes present in the Internet Routing Table: 8441 ARIN Region origin ASes announcing only one prefix: 2892 ARIN Region transit ASes present in the Internet Routing Table: 829 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 6656 Equivalent to 0 /8s, 0 /16s and 26 /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: 21836 Total RIPE prefixes after maximum aggregation: 4703 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: 4696 RIPE Region origin ASes announcing only one prefix: 2564 RIPE Region transit ASes present in the Internet Routing Table: 844 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 106496 Equivalent to 0 /8s, 1 /16s and 160 /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: 5215 Total LACNIC prefixes after maximum aggregation: 337 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: 337 LACNIC Region origin ASes announcing only one prefix: 91 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 7.0 Max LACNIC Region AS path length visible: 28 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 1160 0 1 Telstra Pty Ltd 4755 428 23 92 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 2764 341 1 20 connect.com.au pty ltd 703 334 0 2 UUNET 17557 324 0 1 Pakistan Telecom 7474 315 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 9583 235 0 1 Satyam Infoway Ltd., 4134 221 0 1 Data Communications Bureau 4766 219 0 1 Korea Internet Exchange for " 9800 190 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 168 0 1 BHARTI BT INTERNET LTD. 9929 154 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 141 0 1 TATA ISP 4716 132 0 1 TTnet 4713 121 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1494 0 1 UUNET Technologies, Inc. 7018 1338 0 1 AT&T 1239 958 0 1 Sprint 3908 884 0 1 Supernet, Inc. 7132 833 0 1 Southwestern Bell Internet Se 4323 610 0 1 Time Warner Communications, I 7843 609 0 1 Adelphia Corp. 11305 549 0 1 Interland Incorporated 852 525 0 1 Telus Advanced Communications 6197 523 0 1 BellSouth Network Solutions, 209 517 0 1 Qwest 705 506 0 1 UUNET Technologies, Inc. 6198 478 0 1 BellSouth Network Solutions, 20115 460 0 1 Charter Communications 690 449 0 1 Merit Network 2386 407 0 1 AT&T Data Communications Serv 1 404 0 1 GENUITY 4355 398 0 1 EarthLink, Inc. 3561 371 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 1018 0 1 UUNET - Commercial IP service 3301 293 0 1 TeliaNet Sweden 3320 266 0 1 Deutsche Telekom AG 3215 245 0 1 France Telecom Transpac 8220 233 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 223 0 1 SWIPnet Swedish IP Network 5400 198 0 1 BT Ignite European Backbone 5515 187 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 175 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 141 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 125 0 1 BTnet UK Regional network 3246 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 110 0 1 Ibernet, Internet Access Netw 5511 96 0 1 France Telecom 6746 89 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 298 0 1 ImpSat 7303 238 0 1 Telecom Argentina Stet-France 8151 215 0 1 UniNet S.A. de C.V. 11172 172 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 130 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 98 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 13999 86 0 1 Mega Cable S.A. de C.V. 8065 76 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 1916 72 0 1 Fundacao de Amparo a Pesquisa 15311 72 0 1 Telefonica Empresas 4270 67 0 1 Red de Interconexion Universi 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 61 0 1 Global One Colombia 11830 61 0 1 Instituto Costarricense de El 7738 57 0 1 Telecomunicacoes da Bahia S.A Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1338 1337 AT&T 1221 1160 1159 Telstra Pty Ltd 702 1018 1017 UUNET - Commercial IP service 1239 958 957 Sprint 3908 884 883 Supernet, Inc. 7132 833 832 Southwestern Bell Internet Se 4323 610 609 Time Warner Communications, I 7843 609 608 Adelphia Corp. 11305 549 548 Interland Incorporated 852 525 524 Telus Advanced Communications 6197 523 522 BellSouth Network Solutions, 209 517 516 Qwest 705 506 505 UUNET Technologies, Inc. 6198 478 477 BellSouth Network Solutions, 20115 460 459 Charter Communications 690 449 448 Merit Network 2386 407 406 AT&T Data Communications Serv 1 404 403 GENUITY 4355 398 397 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 64732 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:1 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:0 /17:8 /18:13 /19:23 /20:5 /21:13 /22:18 /23:16 /24:122785 /25:6 /26:0 /27:2 /28:2 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 26277 32 33 A+ Hosting, Inc. 2764 24 341 connect.com.au pty ltd 4755 19 428 Videsh Sanchar Nigam Ltd. Aut 2914 18 300 Verio, Inc. 8233 8 14 TeliaNet UK 7474 5 315 Optus Communications Pty Ltd 1299 3 18 TeliaNet Global Network 18473 2 9 Intel Corporation - Dupont WA 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 9129 1 21 UUNET Kenya 9299 1 3 Philippine Long Distance Tele 13615 1 8 CommTech Industries 16441 1 27 Intellispace Inc. 17287 1 2 Unidad de Redes - Universidad 19192 1 2 Universidad Central de Venezu 20183 1 9 VeriCenter, Inc. 22073 1 1 CITY OF GLENDALE, ARIZONA Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 63:1 64:32 65:1 150:1 192:1 195:8 198:2 199:2 202:43 203:57116 204:5 205:1 206:2 208:2 210:5 219:8 End of report