Routing Table Report 04:00 +10GMT Tue 08 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122457 Prefixes after maximum aggregation: 15458 Unique aggregates announced to Internet: 212 Total ASes present in the Internet Routing Table: 15362 Origin-only ASes present in the Internet Routing Table: 13297 Origin ASes announcing only one prefix: 6080 Transit ASes present in the Internet Routing Table: 2065 Transit-only ASes present in the Internet Routing Table: 65 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: 515441 Equivalent to 0 /8s, 7 /16s and 221 /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: 91 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21245 Total APNIC prefixes after maximum aggregation: 1969 Prefixes being announced from the APNIC address blocks: 122400 Unique aggregates announced from the APNIC address blocks: 199 APNIC Region origin ASes present in the Internet Routing Table: 1823 APNIC Region origin ASes announcing only one prefix: 533 APNIC Region transit ASes present in the Internet Routing Table: 293 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 411505 Equivalent to 0 /8s, 6 /16s and 71 /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: 74144 Total ARIN prefixes after maximum aggregation: 8443 Prefixes being announced from the ARIN address blocks: 13 Unique aggregates announced from the ARIN address blocks: 4 ARIN Region origin ASes present in the Internet Routing Table: 8440 ARIN Region origin ASes announcing only one prefix: 2893 ARIN Region transit ASes present in the Internet Routing Table: 830 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 4864 Equivalent to 0 /8s, 0 /16s and 19 /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: 21842 Total RIPE prefixes after maximum aggregation: 4709 Prefixes being announced from the RIPE address blocks: 22 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 4697 RIPE Region origin ASes announcing only one prefix: 2563 RIPE Region transit ASes present in the Internet Routing Table: 847 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 99072 Equivalent to 0 /8s, 1 /16s and 131 /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: 5214 Total LACNIC prefixes after maximum aggregation: 337 Prefixes being announced from the LACNIC address blocks: 17 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: 73 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 1159 0 1 Telstra Pty Ltd 4755 427 23 94 Videsh Sanchar Nigam Ltd. Aut 2907 371 0 1 SINET Japan 2764 340 1 19 connect.com.au pty ltd 703 333 0 2 UUNET 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. 4538 166 0 1 China Education and Research 9929 156 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 138 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 1496 0 1 UUNET Technologies, Inc. 7018 1340 0 1 AT&T 1239 958 0 1 Sprint 3908 884 0 1 Supernet, Inc. 7132 838 0 1 Southwestern Bell Internet Se 4323 610 0 1 Time Warner Communications, I 7843 604 0 1 Adelphia Corp. 11305 549 0 1 Interland Incorporated 852 526 0 1 Telus Advanced Communications 6197 522 0 1 BellSouth Network Solutions, 209 517 0 1 Qwest 705 508 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 400 0 1 EarthLink, Inc. 3561 370 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 244 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 232 0 1 COLT Internet - International 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 126 0 1 BTnet UK Regional network 3246 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 107 0 1 Ibernet, Internet Access Netw 6746 89 0 1 Dynamic Network Technologies, 9051 86 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 297 0 1 ImpSat 7303 237 0 1 Telecom Argentina Stet-France 8151 217 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 131 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 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 70 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 60 0 1 Global One Colombia 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 1340 1339 AT&T 1221 1159 1158 Telstra Pty Ltd 702 1018 1017 UUNET - Commercial IP service 1239 958 957 Sprint 3908 884 883 Supernet, Inc. 7132 838 837 Southwestern Bell Internet Se 4323 610 609 Time Warner Communications, I 7843 604 603 Adelphia Corp. 11305 549 548 Interland Incorporated 852 526 525 Telus Advanced Communications 6197 522 521 BellSouth Network Solutions, 209 517 516 Qwest 705 508 507 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 400 399 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 /8:0 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:0 /17:9 /18:15 /19:26 /20:4 /21:13 /22:18 /23:25 /24:122321 /25:6 /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 23 340 connect.com.au pty ltd 4755 19 427 Videsh Sanchar Nigam Ltd. Aut 2914 18 300 Verio, Inc. 8233 8 14 TeliaNet UK 7474 5 315 Optus Communications Pty Ltd 1299 3 20 TeliaNet Global Network 20545 2 3 GRENA Autonomous System 3918 1 5 Shell Common Information Serv 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 15697 1 6 BT Ignite Intercontinental Sa 16257 1 2 Ancara s.r.l. ISP 16441 1 27 Intellispace Inc. 16838 1 17 VeriSign Inc 18609 1 1 Solunet, Inc 18810 1 2 eHealthInsurance Services Inc 25957 1 4 Acetech Usa,Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:1 65:1 66:1 192:1 193:1 195:8 199:2 200:10 202:44 203:56680 206:1 210:5 217:3 219:8 End of report