Routing Table Report 04:00 +10GMT Fri 27 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122336 Prefixes after maximum aggregation: 15422 Unique aggregates announced to Internet: 229 Total ASes present in the Internet Routing Table: 15319 Origin-only ASes present in the Internet Routing Table: 13263 Origin ASes announcing only one prefix: 6063 Transit ASes present in the Internet Routing Table: 2056 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 17175409 Equivalent to 1 /8s, 6 /16s and 19 /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: 108 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21520 Total APNIC prefixes after maximum aggregation: 1952 Prefixes being announced from the APNIC address blocks: 122268 Unique aggregates announced from the APNIC address blocks: 199 APNIC Region origin ASes present in the Internet Routing Table: 1810 APNIC Region origin ASes announcing only one prefix: 527 APNIC Region transit ASes present in the Internet Routing Table: 292 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 303473 Equivalent to 0 /8s, 4 /16s and 161 /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: 74167 Total ARIN prefixes after maximum aggregation: 8455 Prefixes being announced from the ARIN address blocks: 31 Unique aggregates announced from the ARIN address blocks: 14 ARIN Region origin ASes present in the Internet Routing Table: 8444 ARIN Region origin ASes announcing only one prefix: 2904 ARIN Region transit ASes present in the Internet Routing Table: 827 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 5888 Equivalent to 0 /8s, 0 /16s and 23 /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: 21420 Total RIPE prefixes after maximum aggregation: 4679 Prefixes being announced from the RIPE address blocks: 26 Unique aggregates announced from the RIPE address blocks: 15 RIPE Region origin ASes present in the Internet Routing Table: 4665 RIPE Region origin ASes announcing only one prefix: 2543 RIPE Region transit ASes present in the Internet Routing Table: 840 Average RIPE Region AS path length visible: 6.5 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 88832 Equivalent to 0 /8s, 1 /16s and 91 /24s Percentage of available RIPE address space announced: 0.0 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: 5217 Total LACNIC prefixes after maximum aggregation: 336 Prefixes being announced from the LACNIC address blocks: 5 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 336 LACNIC Region origin ASes announcing only one prefix: 89 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 1153 0 1 Telstra Pty Ltd 4755 426 24 97 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 17557 341 0 1 Pakistan Telecom 2764 340 1 20 connect.com.au pty ltd 703 337 0 2 UUNET 7474 319 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 9583 231 0 1 Satyam Infoway Ltd., 4134 219 0 1 Data Communications Bureau 4766 217 0 1 Korea Internet Exchange for " 9800 189 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 164 0 1 BHARTI BT INTERNET LTD. 4739 141 0 2 Commerical Internet eXchange 9929 140 0 1 China Netcom Corp. 9238 136 0 1 TATA ISP 4716 128 0 1 TTnet 4713 123 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1506 0 1 UUNET Technologies, Inc. 7018 1335 0 1 AT&T 1239 962 0 1 Sprint 3908 889 0 1 Supernet, Inc. 7132 855 0 1 Southwestern Bell Internet Se 7843 630 0 1 Adelphia Corp. 4323 603 0 1 Time Warner Communications, I 11305 549 0 1 Interland Incorporated 852 526 0 1 Telus Advanced Communications 6197 520 0 1 BellSouth Network Solutions, 705 508 0 1 UUNET Technologies, Inc. 209 495 0 2 Qwest 6198 476 0 1 BellSouth Network Solutions, 20115 459 0 1 Charter Communications 690 448 0 1 Merit Network 1 429 0 1 GENUITY 2386 408 0 1 AT&T Data Communications Serv 4355 405 0 1 EarthLink, Inc. 3561 377 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 702 741 0 1 UUNET - Commercial IP service 3301 293 0 1 TeliaNet Sweden 3320 265 0 1 Deutsche Telekom AG 3215 264 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 228 0 1 COLT Internet - International 1257 227 0 1 SWIPnet Swedish IP Network 5400 202 0 1 BT Ignite European Backbone 5515 187 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 167 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 295 0 1 ImpSat 7303 238 0 1 Telecom Argentina Stet-France 8151 216 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 98 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 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 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 61 0 1 Global One Colombia 15034 61 0 1 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1335 1334 AT&T 1221 1153 1152 Telstra Pty Ltd 1239 962 961 Sprint 3908 889 888 Supernet, Inc. 7132 855 854 Southwestern Bell Internet Se 702 741 740 UUNET - Commercial IP service 7843 630 629 Adelphia Corp. 4323 603 602 Time Warner Communications, I 11305 549 548 Interland Incorporated 852 526 525 Telus Advanced Communications 6197 520 519 BellSouth Network Solutions, 705 508 507 UUNET Technologies, Inc. 209 495 493 Qwest 6198 476 475 BellSouth Network Solutions, 20115 459 458 Charter Communications 690 448 447 Merit Network 1 429 428 GENUITY 2386 408 407 AT&T Data Communications Serv 4355 405 404 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65021 PRIVATE 203.14.8.16/24 619 Department of Navy 65021 PRIVATE 203.14.8.16/24 619 Department of Navy 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 /15:0 /16:0 /17:8 /18:13 /19:5 /20:6 /21:13 /22:17 /23:23 /24:122224 /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 19 426 Videsh Sanchar Nigam Ltd. Aut 2914 18 296 Verio, Inc. 22984 9 20 Multiband Communications LLC 5416 7 70 BATELCO-BH 12455 7 35 Jambonet Autonomous system 7474 5 319 Optus Communications Pty Ltd 12533 2 5 RMnet Communications 13777 2 16 Quantum Connections 2548 1 295 Business Internet, Inc. 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 8357 1 2 AS for Nextra Hungary / Prone 9299 1 3 Philippine Long Distance Tele 11457 1 5 Taylor Communications Group, 12828 1 1 KRSC-RU Autonomous System 16229 1 25 ThunderNet Ltd 16441 1 27 Intellispace Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:2 64:1 66:8 193:4 194:1 198:1 199:3 200:1 202:62 203:56553 205:6 206:1 209:1 210:5 212:5 216:3 217:4 219:9 End of report