Routing Table Report 04:00 +10GMT Mon 30 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122571 Prefixes after maximum aggregation: 15423 Unique aggregates announced to Internet: 233 Total ASes present in the Internet Routing Table: 15330 Origin-only ASes present in the Internet Routing Table: 13278 Origin ASes announcing only one prefix: 6060 Transit ASes present in the Internet Routing Table: 2052 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: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 17272177 Equivalent to 1 /8s, 7 /16s and 141 /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: 113 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21518 Total APNIC prefixes after maximum aggregation: 1957 Prefixes being announced from the APNIC address blocks: 122505 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: 529 APNIC Region transit ASes present in the Internet Routing Table: 293 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 386417 Equivalent to 0 /8s, 5 /16s and 229 /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: 74051 Total ARIN prefixes after maximum aggregation: 8446 Prefixes being announced from the ARIN address blocks: 10 Unique aggregates announced from the ARIN address blocks: 4 ARIN Region origin ASes present in the Internet Routing Table: 8441 ARIN Region origin ASes announcing only one prefix: 2895 ARIN Region transit ASes present in the Internet Routing Table: 824 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 2816 Equivalent to 0 /8s, 0 /16s and 11 /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: 21754 Total RIPE prefixes after maximum aggregation: 4683 Prefixes being announced from the RIPE address blocks: 44 Unique aggregates announced from the RIPE address blocks: 35 RIPE Region origin ASes present in the Internet Routing Table: 4671 RIPE Region origin ASes announcing only one prefix: 2545 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: 19 Number of RIPE addresses announced to Internet: 105728 Equivalent to 0 /8s, 1 /16s and 157 /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: 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 1162 0 1 Telstra Pty Ltd 4755 426 28 100 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 17557 343 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. 4739 141 0 2 Commerical Internet eXchange 9929 139 0 1 China Netcom Corp. 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 1502 0 1 UUNET Technologies, Inc. 7018 1334 0 1 AT&T 1239 960 0 1 Sprint 3908 890 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 690 448 0 1 Merit Network 1 423 0 1 GENUITY 2386 408 0 1 AT&T Data Communications Serv 4355 406 0 1 EarthLink, Inc. 3561 371 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 1022 0 1 UUNET - Commercial IP service 3301 293 0 1 TeliaNet Sweden 3320 265 0 1 Deutsche Telekom AG 3215 262 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 231 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 153 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 238 0 1 Telecom Argentina Stet-France 8151 215 0 1 UniNet S.A. de C.V. 11172 171 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 86 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 62 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 1334 1333 AT&T 1221 1162 1161 Telstra Pty Ltd 702 1022 1021 UUNET - Commercial IP service 1239 960 959 Sprint 3908 890 889 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 690 448 447 Merit Network 1 423 422 GENUITY 2386 408 407 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 /8:1 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:1 /16:4 /17:10 /18:13 /19:5 /20:5 /21:14 /22:17 /23:19 /24:122456 /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 9172 29 31 Macedonia On-Line Autonomous 2764 23 339 connect.com.au pty ltd 4755 20 426 Videsh Sanchar Nigam Ltd. Aut 2914 18 304 Verio, Inc. 6736 7 46 IRANET/IPM 7474 5 317 Optus Communications Pty Ltd 3549 1 347 Global Crossing 3908 1 890 Supernet, Inc. 4805 1 15 Equant (formerly Global One) 5800 1 11 DISA-Contigency Operations Br 6085 1 1 SITA Network Operations Cente 6887 1 1 iPrimus Telecommunications Gm 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 9299 1 3 Philippine Long Distance Tele 11457 1 5 Taylor Communications Group, 16441 1 27 Intellispace Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 144:1 192:1 194:5 202:53 203:56796 204:2 206:1 210:5 212:29 219:9 End of report