Routing Table Report 04:00 +10GMT Fri 22 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123814 Prefixes after maximum aggregation: 15842 Unique aggregates announced to Internet: 267 Total ASes present in the Internet Routing Table: 15644 Origin-only ASes present in the Internet Routing Table: 13528 Origin ASes announcing only one prefix: 6218 Transit ASes present in the Internet Routing Table: 2116 Transit-only ASes present in the Internet Routing Table: 72 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 561313 Equivalent to 0 /8s, 8 /16s and 144 /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: 175 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22069 Total APNIC prefixes after maximum aggregation: 2016 Prefixes being announced from the APNIC address blocks: 123565 Unique aggregates announced from the APNIC address blocks: 201 APNIC Region origin ASes present in the Internet Routing Table: 1869 APNIC Region origin ASes announcing only one prefix: 550 APNIC Region transit ASes present in the Internet Routing Table: 311 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 429217 Equivalent to 0 /8s, 6 /16s and 140 /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: 74524 Total ARIN prefixes after maximum aggregation: 8672 Prefixes being announced from the ARIN address blocks: 106 Unique aggregates announced from the ARIN address blocks: 56 ARIN Region origin ASes present in the Internet Routing Table: 8564 ARIN Region origin ASes announcing only one prefix: 2959 ARIN Region transit ASes present in the Internet Routing Table: 846 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 24832 Equivalent to 0 /8s, 0 /16s and 97 /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: 22059 Total RIPE prefixes after maximum aggregation: 4805 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 4795 RIPE Region origin ASes announcing only one prefix: 2611 RIPE Region transit ASes present in the Internet Routing Table: 861 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 107264 Equivalent to 0 /8s, 1 /16s and 163 /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: 5150 Total LACNIC prefixes after maximum aggregation: 349 Prefixes being announced from the LACNIC address blocks: 7 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: 98 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 1152 0 1 Telstra Pty Ltd 4755 387 15 71 Videsh Sanchar Nigam Ltd. Aut 2907 365 0 1 SINET Japan 703 362 0 2 UUNET 2764 336 1 20 connect.com.au pty ltd 7474 326 0 2 Optus Communications Pty Ltd 4134 318 0 1 Data Communications Bureau 17557 300 0 1 Pakistan Telecom 17676 251 0 1 XTAGE CORPORATION 9583 242 0 1 Satyam Infoway Ltd., 3786 239 0 1 DACOM Corporation 4766 223 0 1 Korea Internet Exchange for " 9800 198 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 171 0 1 BHARTI BT INTERNET LTD. 4538 168 0 1 China Education and Research 17642 158 0 3 RequestDSL BGP AS# for Sydney 9929 151 0 1 China Netcom Corp. 4739 143 0 5 Commerical Internet eXchange 9942 141 5 20 COMindico Australia ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1479 1 2 UUNET Technologies, Inc. 7018 1397 0 1 AT&T 3908 910 0 1 Supernet, Inc. 1239 903 0 1 Sprint 4323 623 0 1 Time Warner Communications, I 6197 569 0 1 BellSouth Network Solutions, 7843 565 0 1 Adelphia Corp. 852 522 0 1 Telus Advanced Communications 209 517 0 1 Qwest 6198 514 0 1 BellSouth Network Solutions, 705 486 0 1 UUNET Technologies, Inc. 3356 481 0 1 Level 3 Communications, LLC 20115 474 0 1 Charter Communications 7132 410 0 1 Southwestern Bell Internet Se 690 405 0 1 Merit Network 4355 404 0 1 EarthLink, Inc. 2386 375 0 1 AT&T Data Communications Serv 11305 358 0 1 Interland Incorporated 6347 357 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 702 729 0 1 UUNET - Commercial IP service 3301 289 0 1 TeliaNet Sweden 3320 262 0 1 Deutsche Telekom AG 8220 243 0 1 COLT Internet - International 1257 240 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 719 173 0 1 LANLINK autonomous system 5400 173 0 1 BT Ignite European Backbone 8708 155 0 1 Romania Data Systems S.A. 3303 140 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 3246 122 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 312 0 1 ImpSat 7303 232 0 1 Telecom Argentina Stet-France 8151 222 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 130 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 15311 75 0 1 Telefonica Empresas 1916 73 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 7984 59 0 1 Global One Colombia 13999 57 0 1 Mega Cable S.A. de C.V. 4926 56 0 1 Telintar S.A. 7738 55 0 1 Telecomunicacoes da Bahia S.A Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1397 1396 AT&T 1221 1152 1151 Telstra Pty Ltd 3908 910 909 Supernet, Inc. 1239 903 902 Sprint 702 729 728 UUNET - Commercial IP service 4323 623 622 Time Warner Communications, I 6197 569 568 BellSouth Network Solutions, 7843 565 564 Adelphia Corp. 852 522 521 Telus Advanced Communications 209 517 516 Qwest 6198 514 513 BellSouth Network Solutions, 705 486 485 UUNET Technologies, Inc. 3356 481 480 Level 3 Communications, LLC 20115 474 473 Charter Communications 7132 410 409 Southwestern Bell Internet Se 690 405 404 Merit Network 4355 404 403 EarthLink, Inc. 2386 375 374 AT&T Data Communications Serv 2907 365 364 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 31818 UNALLOCATED 203.14.8.16/24 13818 Phoenix Internationa 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 /16:4 /17:9 /18:19 /19:8 /20:10 /21:23 /22:22 /23:23 /24:123670 /25:6 /26:1 /27:1 /28:1 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 23 336 connect.com.au pty ltd 4755 18 387 Videsh Sanchar Nigam Ltd. Aut 2914 17 292 Verio, Inc. 9942 15 141 COMindico Australia 14846 14 44 NBC Internet 19981 9 9 Heller Financial Inc. 28764 9 11 Communication Services SRL 6316 8 32 StarNet, Inc. 3602 6 229 Sprint Canada, Inc. 7474 5 326 Optus Communications Pty Ltd 7843 5 565 Adelphia Corp. 6001 3 12 HQ USASC - USANETA 18885 3 47 Wave2Wave Communications, Inc 701 2 1479 UUNET Technologies, Inc. 3325 2 2 Kazan Civil Network AS 4270 2 68 Red de Interconexion Universi 5668 2 210 Century Telephone 5786 2 119 University of Puerto Rico 7910 2 16 ANDINET ON LINE 11548 2 38 Dragon Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 24:1 57:1 61:16 63:6 64:3 65:1 66:1 68:2 80:5 136:2 140:1 144:2 165:1 192:79 193:1 194:4 196:1 198:12 199:20 202:46 203:57862 204:6 205:8 206:1 207:1 208:2 209:28 210:4 216:3 217:3 219:8 220:3 End of report