Routing Table Report 04:00 +10GMT Wed 10 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124592 Prefixes after maximum aggregation: 15825 Unique aggregates announced to Internet: 243 Total ASes present in the Internet Routing Table: 15709 Origin-only ASes present in the Internet Routing Table: 13575 Origin ASes announcing only one prefix: 6219 Transit ASes present in the Internet Routing Table: 2134 Transit-only ASes present in the Internet Routing Table: 74 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: 268209 Equivalent to 0 /8s, 4 /16s and 23 /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: 787 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22188 Total APNIC prefixes after maximum aggregation: 2046 Prefixes being announced from the APNIC address blocks: 123878 Unique aggregates announced from the APNIC address blocks: 224 APNIC Region origin ASes present in the Internet Routing Table: 1873 APNIC Region origin ASes announcing only one prefix: 547 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: 158385 Equivalent to 0 /8s, 2 /16s and 106 /24s Percentage of available APNIC address space announced: 0.1 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: 75010 Total ARIN prefixes after maximum aggregation: 8596 Prefixes being announced from the ARIN address blocks: 690 Unique aggregates announced from the ARIN address blocks: 10 ARIN Region origin ASes present in the Internet Routing Table: 8586 ARIN Region origin ASes announcing only one prefix: 2955 ARIN Region transit ASes present in the Internet Routing Table: 849 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 10752 Equivalent to 0 /8s, 0 /16s and 42 /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: 22101 Total RIPE prefixes after maximum aggregation: 4839 Prefixes being announced from the RIPE address blocks: 12 Unique aggregates announced from the RIPE address blocks: 9 RIPE Region origin ASes present in the Internet Routing Table: 4831 RIPE Region origin ASes announcing only one prefix: 2621 RIPE Region transit ASes present in the Internet Routing Table: 872 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 99072 Equivalent to 0 /8s, 1 /16s and 131 /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: 5281 Total LACNIC prefixes after maximum aggregation: 344 Prefixes being announced from the LACNIC address blocks: 2 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 344 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: 8.1 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 1151 0 1 Telstra Pty Ltd 4755 393 15 70 Videsh Sanchar Nigam Ltd. Aut 2907 364 0 1 SINET Japan 703 334 0 2 UUNET 7474 330 0 2 Optus Communications Pty Ltd 2764 321 1 20 connect.com.au pty ltd 4134 318 0 1 Data Communications Bureau 17557 303 0 1 Pakistan Telecom 17676 254 0 1 XTAGE CORPORATION 9583 248 0 1 Satyam Infoway Ltd., 3786 235 0 1 DACOM Corporation 4766 223 0 1 Korea Internet Exchange for " 9800 202 0 1 CHINA UNICOM 9443 185 0 3 Primus Telecommunications 9498 180 0 1 BHARTI BT INTERNET LTD. 4538 171 0 1 China Education and Research 9942 156 8 30 COMindico Australia 9929 155 0 1 China Netcom Corp. 17642 154 0 3 RequestDSL BGP AS# for Sydney 4739 143 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1472 0 2 UUNET Technologies, Inc. 7018 1394 0 2 AT&T 1239 916 0 1 Sprint 3908 914 0 1 Supernet, Inc. 18566 675 0 1 Covad Communications 4323 633 0 1 Time Warner Communications, I 6197 615 0 1 BellSouth Network Solutions, 7843 547 0 1 Adelphia Corp. 852 514 0 1 Telus Advanced Communications 209 510 0 2 Qwest 3356 498 0 1 Level 3 Communications, LLC 6198 498 0 1 BellSouth Network Solutions, 20115 483 0 1 Charter Communications 705 417 0 1 UUNET Technologies, Inc. 690 411 0 1 Merit Network 4355 391 0 1 EarthLink, Inc. 2386 373 0 1 AT&T Data Communications Serv 3549 350 0 1 Global Crossing 6347 349 0 1 SAVVIS Communications Corpora 19029 345 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 716 0 1 UUNET - Commercial IP service 3301 296 0 1 TeliaNet Sweden 3320 267 0 1 Deutsche Telekom AG 8220 245 0 1 COLT Internet - International 1257 239 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 3215 205 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 5400 180 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 155 0 1 Romania Data Systems S.A. 3303 145 0 1 Swisscom Ltd 3246 126 0 1 Song Networks 12302 126 0 2 MobiFon S.A. 3269 117 0 1 TELECOM ITALIA 2856 113 0 1 BTnet UK Regional network 3352 104 0 1 Ibernet, Internet Access Netw 25186 93 0 1 France Telecom Transpac's Tra 6746 88 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 336 0 1 ImpSat 7303 240 0 1 Telecom Argentina Stet-France 8151 229 0 1 UniNet S.A. de C.V. 11172 189 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 6503 131 0 1 AVANTEL, S.A. 10620 127 0 1 TVCABLE BOGOTA 11992 89 0 1 Integrated Systems 6147 85 0 1 Telefonica Del Peru 8065 81 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 11830 73 0 1 Instituto Costarricense de El 1916 71 0 1 Fundacao de Amparo a Pesquisa 4270 68 0 1 Red de Interconexion Universi 7927 68 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 13999 62 0 1 Mega Cable S.A. de C.V. 7984 59 0 1 Global One Colombia 4926 58 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1394 1392 AT&T 1221 1151 1150 Telstra Pty Ltd 1239 916 915 Sprint 3908 914 913 Supernet, Inc. 702 716 715 UUNET - Commercial IP service 18566 675 674 Covad Communications 4323 633 632 Time Warner Communications, I 6197 615 614 BellSouth Network Solutions, 7843 547 546 Adelphia Corp. 852 514 513 Telus Advanced Communications 209 510 508 Qwest 3356 498 497 Level 3 Communications, LLC 6198 498 497 BellSouth Network Solutions, 20115 483 482 Charter Communications 705 417 416 UUNET Technologies, Inc. 690 411 410 Merit Network 4355 391 390 EarthLink, Inc. 2386 373 372 AT&T Data Communications Serv 2907 364 363 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 /16:1 /17:2 /18:7 /19:7 /20:5 /21:218 /22:28 /23:491 /24:123808 /25:4 /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 18566 665 675 Covad Communications 9942 31 156 COMindico Australia 2764 22 321 connect.com.au pty ltd 4755 18 393 Videsh Sanchar Nigam Ltd. Aut 2914 17 292 Verio, Inc. 6316 7 32 StarNet, Inc. 7474 5 330 Optus Communications Pty Ltd 25276 2 5 Speednet Ltd, An Israel Corpo 701 1 1472 UUNET Technologies, Inc. 2050 1 16 Sprint Enterprise Information 3300 1 60 AUCS Communications Services 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 5668 1 215 Century Telephone 6085 1 1 SITA Network Operations Cente 6347 1 349 SAVVIS Communications Corpora 7018 1 1394 AT&T 7381 1 15 Sungard Recovery Services, In 7911 1 19 Williams Communications Group 9198 1 24 Kazakhtelecom Data Network Ad Number of /24s announced per /8 block (Global) ---------------------------------------------- 38:1 57:1 61:16 63:1 64:3 65:1 69:1 148:1 192:1 195:1 198:1 202:44 203:58176 204:2 205:1 206:1 209:2 210:4 213:3 219:8 220:3 End of report