Routing Table Report 04:00 +10GMT Sun 29 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122597 Prefixes after maximum aggregation: 15424 Unique aggregates announced to Internet: 209 Total ASes present in the Internet Routing Table: 15327 Origin-only ASes present in the Internet Routing Table: 13281 Origin ASes announcing only one prefix: 6055 Transit ASes present in the Internet Routing Table: 2046 Transit-only ASes present in the Internet Routing Table: 63 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: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 495985 Equivalent to 0 /8s, 7 /16s and 145 /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: 102 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21591 Total APNIC prefixes after maximum aggregation: 1958 Prefixes being announced from the APNIC address blocks: 122539 Unique aggregates announced from the APNIC address blocks: 193 APNIC Region origin ASes present in the Internet Routing Table: 1816 APNIC Region origin ASes announcing only one prefix: 527 APNIC Region transit ASes present in the Internet Routing Table: 290 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 384625 Equivalent to 0 /8s, 5 /16s and 222 /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: 74001 Total ARIN prefixes after maximum aggregation: 8450 Prefixes being announced from the ARIN address blocks: 21 Unique aggregates announced from the ARIN address blocks: 8 ARIN Region origin ASes present in the Internet Routing Table: 8438 ARIN Region origin ASes announcing only one prefix: 2892 ARIN Region transit ASes present in the Internet Routing Table: 822 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 11776 Equivalent to 0 /8s, 0 /16s and 46 /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: 21757 Total RIPE prefixes after maximum aggregation: 4679 Prefixes being announced from the RIPE address blocks: 19 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 4672 RIPE Region origin ASes announcing only one prefix: 2546 RIPE Region transit ASes present in the Internet Routing Table: 843 Average RIPE Region AS path length visible: 6.5 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 99584 Equivalent to 0 /8s, 1 /16s and 133 /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: 5237 Total LACNIC prefixes after maximum aggregation: 337 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: 337 LACNIC Region origin ASes announcing only one prefix: 90 LACNIC Region transit ASes present in the Internet Routing Table: 72 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 1163 0 1 Telstra Pty Ltd 4755 426 28 100 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 17557 341 0 1 Pakistan Telecom 2764 339 1 19 connect.com.au pty ltd 703 337 0 2 UUNET 7474 317 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 9583 233 0 1 Satyam Infoway Ltd., 4134 220 0 1 Data Communications Bureau 4766 218 0 1 Korea Internet Exchange for " 9800 189 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 166 0 1 BHARTI BT INTERNET LTD. 9929 140 0 1 China Netcom Corp. 4739 139 0 2 Commerical Internet eXchange 9238 137 0 1 TATA ISP 4716 132 0 1 TTnet 4713 122 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1495 0 1 UUNET Technologies, Inc. 7018 1336 0 1 AT&T 1239 962 0 1 Sprint 3908 892 0 1 Supernet, Inc. 7132 834 0 1 Southwestern Bell Internet Se 7843 632 0 1 Adelphia Corp. 4323 606 0 1 Time Warner Communications, I 11305 549 0 1 Interland Incorporated 852 526 0 1 Telus Advanced Communications 6197 521 0 1 BellSouth Network Solutions, 209 512 0 1 Qwest 705 508 0 1 UUNET Technologies, Inc. 6198 477 0 1 BellSouth Network Solutions, 20115 460 0 1 Charter Communications 690 447 0 1 Merit Network 1 422 0 1 GENUITY 2386 409 0 1 AT&T Data Communications Serv 4355 406 0 1 EarthLink, Inc. 3561 373 0 1 Cable & Wireless USA 6347 361 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1023 0 1 UUNET - Commercial IP service 3301 293 0 1 TeliaNet Sweden 3320 267 0 1 Deutsche Telekom AG 3215 262 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 229 0 1 COLT Internet - International 1257 226 0 1 SWIPnet Swedish IP Network 5400 203 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 124 0 1 BTnet UK Regional network 3246 120 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 110 0 1 Ibernet, Internet Access Netw 5511 104 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 297 0 1 ImpSat 7303 235 0 1 Telecom Argentina Stet-France 8151 215 0 1 UniNet S.A. de C.V. 11172 170 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 99 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 1916 72 0 1 Fundacao de Amparo a Pesquisa 15311 72 0 1 Telefonica Empresas 11830 68 0 1 Instituto Costarricense de El 4270 67 0 1 Red de Interconexion Universi 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 15034 63 0 1 TIBA SA 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1336 1335 AT&T 1221 1163 1162 Telstra Pty Ltd 702 1023 1022 UUNET - Commercial IP service 1239 962 961 Sprint 3908 892 891 Supernet, Inc. 7132 834 833 Southwestern Bell Internet Se 7843 632 631 Adelphia Corp. 4323 606 605 Time Warner Communications, I 11305 549 548 Interland Incorporated 852 526 525 Telus Advanced Communications 6197 521 520 BellSouth Network Solutions, 209 512 511 Qwest 705 508 507 UUNET Technologies, Inc. 6198 477 476 BellSouth Network Solutions, 20115 460 459 Charter Communications 690 447 446 Merit Network 1 422 421 GENUITY 2386 409 408 AT&T Data Communications Serv 4355 406 405 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 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 /16:3 /17:9 /18:14 /19:7 /20:6 /21:15 /22:20 /23:18 /24:122479 /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 23 339 connect.com.au pty ltd 4755 20 426 Videsh Sanchar Nigam Ltd. Aut 2914 18 304 Verio, Inc. 7474 5 317 Optus Communications Pty Ltd 25476 5 6 DK Network AB 2048 4 218 State of Louisiana 27425 4 9 SMART FUNCTION LLC 14767 3 3 The AIMS Group 25049 3 9 STASCo 15021 2 3 Noosh, Inc. 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7018 1 1336 AT&T 7381 1 15 Sungard Recovery Services, In 8220 1 229 COLT Internet - International 8503 1 45 PCNET Data Network S.A. 9092 1 2 Open Systems AG 9299 1 3 Philippine Long Distance Tele 16059 1 3 CODIX AS Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 63:4 64:2 65:1 146:3 155:1 160:1 192:1 193:1 195:5 198:1 202:64 203:56819 204:2 206:2 208:1 209:1 210:5 213:1 219:9 End of report