Routing Table Report 04:00 +10GMT Fri 15 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123461 Prefixes after maximum aggregation: 15774 Unique aggregates announced to Internet: 225 Total ASes present in the Internet Routing Table: 15615 Origin-only ASes present in the Internet Routing Table: 13501 Origin ASes announcing only one prefix: 6204 Transit ASes present in the Internet Routing Table: 2114 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 6.8 Max AS path length visible: 36 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: 612769 Equivalent to 0 /8s, 9 /16s and 89 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 143 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22031 Total APNIC prefixes after maximum aggregation: 1991 Prefixes being announced from the APNIC address blocks: 123242 Unique aggregates announced from the APNIC address blocks: 179 APNIC Region origin ASes present in the Internet Routing Table: 1861 APNIC Region origin ASes announcing only one prefix: 539 APNIC Region transit ASes present in the Internet Routing Table: 312 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 498593 Equivalent to 0 /8s, 7 /16s and 155 /24s Percentage of available APNIC address space announced: 0.3 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: 74216 Total ARIN prefixes after maximum aggregation: 8651 Prefixes being announced from the ARIN address blocks: 95 Unique aggregates announced from the ARIN address blocks: 39 ARIN Region origin ASes present in the Internet Routing Table: 8560 ARIN Region origin ASes announcing only one prefix: 2957 ARIN Region transit ASes present in the Internet Routing Table: 843 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 15360 Equivalent to 0 /8s, 0 /16s and 60 /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: 21968 Total RIPE prefixes after maximum aggregation: 4789 Prefixes being announced from the RIPE address blocks: 18 Unique aggregates announced from the RIPE address blocks: 7 RIPE Region origin ASes present in the Internet Routing Table: 4782 RIPE Region origin ASes announcing only one prefix: 2612 RIPE Region transit ASes present in the Internet Routing Table: 860 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 98816 Equivalent to 0 /8s, 1 /16s and 130 /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: 5235 Total LACNIC prefixes after maximum aggregation: 343 Prefixes being announced from the LACNIC address blocks: 1 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 342 LACNIC Region origin ASes announcing only one prefix: 96 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 32 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 386 15 73 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 703 337 0 2 UUNET 2764 335 1 20 connect.com.au pty ltd 7474 325 0 2 Optus Communications Pty Ltd 4134 321 0 1 Data Communications Bureau 17557 300 0 1 Pakistan Telecom 17676 250 0 1 XTAGE CORPORATION 9583 241 0 1 Satyam Infoway Ltd., 3786 239 0 1 DACOM Corporation 4766 223 0 1 Korea Internet Exchange for " 9800 195 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 4538 167 0 1 China Education and Research 9498 166 0 1 BHARTI BT INTERNET LTD. 9929 151 0 1 China Netcom Corp. 4739 143 0 5 Commerical Internet eXchange 9238 140 0 1 TATA ISP 4716 131 0 1 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1470 0 1 UUNET Technologies, Inc. 7018 1383 0 1 AT&T 1239 922 0 1 Sprint 3908 906 0 1 Supernet, Inc. 4323 619 0 1 Time Warner Communications, I 6197 567 0 1 BellSouth Network Solutions, 7843 564 0 1 Adelphia Corp. 852 522 0 1 Telus Advanced Communications 209 521 0 1 Qwest 6198 507 0 1 BellSouth Network Solutions, 705 480 0 1 UUNET Technologies, Inc. 20115 475 0 1 Charter Communications 3356 463 0 1 Level 3 Communications, LLC 7132 410 0 1 Southwestern Bell Internet Se 690 409 0 1 Merit Network 4355 406 0 1 EarthLink, Inc. 2386 379 0 1 AT&T Data Communications Serv 11305 359 0 1 Interland Incorporated 6347 356 0 1 SAVVIS Communications Corpora 19029 348 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 731 0 1 UUNET - Commercial IP service 3301 291 0 1 TeliaNet Sweden 3320 259 0 1 Deutsche Telekom AG 8220 246 0 1 COLT Internet - International 1257 238 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 3215 214 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 5400 164 0 1 BT Ignite European Backbone 8708 155 0 1 Romania Data Systems S.A. 3303 139 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 3246 123 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 2856 113 0 1 BTnet UK Regional network 3352 111 0 1 Ibernet, Internet Access Netw 6746 88 0 1 Dynamic Network Technologies, 9051 88 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 301 0 1 ImpSat 7303 237 0 1 Telecom Argentina Stet-France 8151 219 0 1 UniNet S.A. de C.V. 11172 178 0 1 Servicios Alestra S.A de C.V 16814 152 0 1 NSS, S.A. 6503 131 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 11992 87 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 11830 75 0 1 Instituto Costarricense de El 15311 74 0 1 Telefonica Empresas 1916 72 0 1 Fundacao de Amparo a Pesquisa 4270 68 0 1 Red de Interconexion Universi 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 13999 61 0 1 Mega Cable S.A. de C.V. 7984 59 0 1 Global One Colombia 4926 55 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1383 1382 AT&T 1221 1153 1152 Telstra Pty Ltd 1239 922 921 Sprint 3908 906 905 Supernet, Inc. 702 731 730 UUNET - Commercial IP service 4323 619 618 Time Warner Communications, I 6197 567 566 BellSouth Network Solutions, 7843 564 563 Adelphia Corp. 852 522 521 Telus Advanced Communications 209 521 520 Qwest 6198 507 506 BellSouth Network Solutions, 705 480 479 UUNET Technologies, Inc. 20115 475 474 Charter Communications 3356 463 462 Level 3 Communications, LLC 7132 410 409 Southwestern Bell Internet Se 690 409 408 Merit Network 4355 406 405 EarthLink, Inc. 2386 379 378 AT&T Data Communications Serv 2907 372 371 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 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 /16:2 /17:10 /18:17 /19:14 /20:6 /21:17 /22:15 /23:18 /24:123334 /25:6 /26:1 /27:1 /28:1 /29:11 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 23 335 connect.com.au pty ltd 4755 18 386 Videsh Sanchar Nigam Ltd. Aut 2914 17 294 Verio, Inc. 14317 16 29 ADVANCED COMPUTER CONNECTIONS 14846 14 44 NBC Internet 19981 9 9 Heller Financial Inc. 6316 8 34 StarNet, Inc. 7474 7 325 Optus Communications Pty Ltd 12993 3 6 Digitalas Ekonomikas Attistib 3325 2 2 Kazan Civil Network AS 6001 2 10 HQ USASC - USANETA 12531 2 2 Wer liefert was ? 2050 1 16 Sprint Enterprise Information 3768 1 25 Dialog Information Services, 4519 1 71 Maas Communications 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 5639 1 48 Telecommunications Services o 6008 1 1 HQ USASC - USANETA 6085 1 1 SITA Network Operations Cente Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 63:1 64:14 66:1 68:1 144:2 167:1 192:81 193:2 194:3 198:12 199:24 202:46 203:57545 205:5 206:2 207:1 208:1 209:26 210:4 216:1 219:8 End of report