Routing Table Report 04:00 +10GMT Sat 12 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123290 Prefixes after maximum aggregation: 15514 Unique aggregates announced to Internet: 231 Total ASes present in the Internet Routing Table: 15414 Origin-only ASes present in the Internet Routing Table: 13342 Origin ASes announcing only one prefix: 6094 Transit ASes present in the Internet Routing Table: 2072 Transit-only ASes present in the Internet Routing Table: 66 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 17320881 Equivalent to 1 /8s, 8 /16s and 75 /24s Percentage of available address space announced: 0.5 Percentage of allocated address space announced: 0.8 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 120 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21815 Total APNIC prefixes after maximum aggregation: 1977 Prefixes being announced from the APNIC address blocks: 123194 Unique aggregates announced from the APNIC address blocks: 187 APNIC Region origin ASes present in the Internet Routing Table: 1836 APNIC Region origin ASes announcing only one prefix: 537 APNIC Region transit ASes present in the Internet Routing Table: 296 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 429745 Equivalent to 0 /8s, 6 /16s and 142 /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: 74284 Total ARIN prefixes after maximum aggregation: 8467 Prefixes being announced from the ARIN address blocks: 12 Unique aggregates announced from the ARIN address blocks: 5 ARIN Region origin ASes present in the Internet Routing Table: 8461 ARIN Region origin ASes announcing only one prefix: 2900 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: 25 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: 21976 Total RIPE prefixes after maximum aggregation: 4727 Prefixes being announced from the RIPE address blocks: 52 Unique aggregates announced from the RIPE address blocks: 38 RIPE Region origin ASes present in the Internet Routing Table: 4714 RIPE Region origin ASes announcing only one prefix: 2564 RIPE Region transit ASes present in the Internet Routing Table: 850 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 107264 Equivalent to 0 /8s, 1 /16s and 163 /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: 5202 Total LACNIC prefixes after maximum aggregation: 343 Prefixes being announced from the LACNIC address blocks: 12 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 338 LACNIC Region origin ASes announcing only one prefix: 93 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 25 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 1152 0 1 Telstra Pty Ltd 4755 433 23 90 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 17557 348 0 1 Pakistan Telecom 2764 342 1 20 connect.com.au pty ltd 703 333 0 2 UUNET 7474 316 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 9583 238 0 1 Satyam Infoway Ltd., 4134 220 0 1 Data Communications Bureau 4766 220 0 1 Korea Internet Exchange for " 9800 188 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 175 0 1 BHARTI BT INTERNET LTD. 4538 166 0 1 China Education and Research 9929 154 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 137 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 1498 0 1 UUNET Technologies, Inc. 7018 1344 0 1 AT&T 1239 964 0 1 Sprint 3908 885 0 1 Supernet, Inc. 7132 839 0 1 Southwestern Bell Internet Se 4323 608 0 1 Time Warner Communications, I 7843 579 0 1 Adelphia Corp. 11305 549 0 1 Interland Incorporated 6197 527 0 1 BellSouth Network Solutions, 852 526 0 1 Telus Advanced Communications 209 515 0 1 Qwest 705 487 0 1 UUNET Technologies, Inc. 6198 477 0 1 BellSouth Network Solutions, 20115 460 0 1 Charter Communications 690 448 0 1 Merit Network 2386 415 0 1 AT&T Data Communications Serv 4355 400 0 1 EarthLink, Inc. 1 396 0 1 GENUITY 3356 367 0 1 Level 3 Communications, LLC 6347 363 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1014 0 1 UUNET - Commercial IP service 3301 294 0 1 TeliaNet Sweden 3320 267 0 1 Deutsche Telekom AG 3215 239 0 1 France Telecom Transpac 8220 233 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 224 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 719 174 0 1 LANLINK autonomous system 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 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 107 0 1 Ibernet, Internet Access Netw 5511 98 0 1 France Telecom 6746 90 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 297 0 1 ImpSat 7303 236 0 1 Telecom Argentina Stet-France 8151 222 0 1 UniNet S.A. de C.V. 11172 173 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 89 0 1 Telefonica Del Peru 11992 87 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 67 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 1344 1343 AT&T 1221 1152 1151 Telstra Pty Ltd 702 1014 1013 UUNET - Commercial IP service 1239 964 963 Sprint 3908 885 884 Supernet, Inc. 7132 839 838 Southwestern Bell Internet Se 4323 608 607 Time Warner Communications, I 7843 579 578 Adelphia Corp. 11305 549 548 Interland Incorporated 6197 527 526 BellSouth Network Solutions, 852 526 525 Telus Advanced Communications 209 515 514 Qwest 705 487 486 UUNET Technologies, Inc. 6198 477 476 BellSouth Network Solutions, 20115 460 459 Charter Communications 690 448 447 Merit Network 2386 415 414 AT&T Data Communications Serv 4355 400 399 EarthLink, Inc. 1 396 395 GENUITY List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65030 PRIVATE 203.14.8.16/24 9498 BHARTI BT INTERNET L 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 65003 PRIVATE 203.14.8.16/24 7465 PROCERGS - Cia. de P 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 /16:14 /17:11 /18:13 /19:22 /20:5 /21:17 /22:21 /23:16 /24:123143 /25:6 /26:1 /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 9172 30 31 Macedonia On-Line Autonomous 2764 24 342 connect.com.au pty ltd 4755 19 433 Videsh Sanchar Nigam Ltd. Aut 2914 18 300 Verio, Inc. 8233 8 14 TeliaNet UK 7474 5 316 Optus Communications Pty Ltd 1299 2 18 TeliaNet Global Network 23149 2 3 AFA Systems. Inc. 2643 1 3 IHEP-SU AS 3489 1 2 Unify Corporation 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 12301 1 5 PanTel, Hungary 15634 1 13 FORTE Autonomous System 15755 1 1 ISPRO Autonomous System Izmir 16441 1 27 Intellispace Inc. 17046 1 5 Action Communications, Inc. 20183 1 9 VeriCenter, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 57:1 61:17 62:1 63:1 65:1 195:8 196:1 200:12 202:50 203:57469 206:2 210:4 212:30 217:1 219:8 End of report