Routing Table Report 04:00 +10GMT Sat 27 Sep, 2003 Analysis Summary ---------------- BGP routing table entries examined: 125591 Prefixes after maximum aggregation: 15922 Unique aggregates announced to Internet: 247 Total ASes present in the Internet Routing Table: 15793 Origin-only ASes present in the Internet Routing Table: 13656 Origin ASes announcing only one prefix: 6239 Transit ASes present in the Internet Routing Table: 2137 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 27 Illegal AS announcements present in the Routing Table: 6 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 579001 Equivalent to 0 /8s, 8 /16s and 213 /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: 802 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22497 Total APNIC prefixes after maximum aggregation: 2057 Prefixes being announced from the APNIC address blocks: 124820 Unique aggregates announced from the APNIC address blocks: 219 APNIC Region origin ASes present in the Internet Routing Table: 1881 APNIC Region origin ASes announcing only one prefix: 547 APNIC Region transit ASes present in the Internet Routing Table: 318 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 455097 Equivalent to 0 /8s, 6 /16s and 241 /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: 75518 Total ARIN prefixes after maximum aggregation: 8655 Prefixes being announced from the ARIN address blocks: 730 Unique aggregates announced from the ARIN address blocks: 14 ARIN Region origin ASes present in the Internet Routing Table: 8641 ARIN Region origin ASes announcing only one prefix: 2981 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: 26 Number of ARIN addresses announced to Internet: 13824 Equivalent to 0 /8s, 0 /16s and 54 /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: 22305 Total RIPE prefixes after maximum aggregation: 4861 Prefixes being announced from the RIPE address blocks: 17 Unique aggregates announced from the RIPE address blocks: 14 RIPE Region origin ASes present in the Internet Routing Table: 4852 RIPE Region origin ASes announcing only one prefix: 2608 RIPE Region transit ASes present in the Internet Routing Table: 865 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 110080 Equivalent to 0 /8s, 1 /16s and 174 /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: 5256 Total LACNIC prefixes after maximum aggregation: 349 Prefixes being announced from the LACNIC address blocks: 11 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 346 LACNIC Region origin ASes announcing only one prefix: 103 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 7.2 Max LACNIC Region AS path length visible: 23 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 1136 0 1 Telstra Pty Ltd 4134 374 0 1 Data Communications Bureau 2907 372 0 1 SINET Japan 4755 368 9 72 Videsh Sanchar Nigam Ltd. Aut 703 333 0 2 UUNET 7474 333 0 2 Optus Communications Pty Ltd 2764 329 0 20 connect.com.au pty ltd 17557 289 0 1 Pakistan Telecom 17676 263 0 1 XTAGE CORPORATION 9583 261 0 1 Satyam Infoway Ltd., 3786 235 0 1 DACOM Corporation 4766 234 0 1 Korea Internet Exchange for " 9800 203 0 1 CHINA UNICOM 9942 188 8 31 COMindico Australia 9443 184 0 3 Primus Telecommunications 9498 184 0 1 BHARTI BT INTERNET LTD. 4538 175 0 1 China Education and Research 9929 168 0 1 China Netcom Corp. 17642 157 0 3 RequestDSL BGP AS# for Sydney 9238 141 0 1 TATA ISP ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1442 0 1 UUNET Technologies, Inc. 7018 1404 0 1 AT&T 6197 963 0 1 BellSouth Network Solutions, 1239 908 0 2 Sprint 3908 906 0 1 Supernet, Inc. 18566 692 0 1 Covad Communications 4323 670 0 1 Time Warner Communications, I 3356 567 0 1 Level 3 Communications, LLC 7843 529 0 1 Adelphia Corp. 852 516 0 1 Telus Advanced Communications 209 502 0 1 Qwest 6198 497 0 1 BellSouth Network Solutions, 20115 475 0 1 Charter Communications 690 411 0 1 Merit Network 705 408 0 1 UUNET Technologies, Inc. 4355 393 0 1 EarthLink, Inc. 2386 374 0 1 AT&T Data Communications Serv 6347 355 0 1 SAVVIS Communications Corpora 19029 342 0 1 New Edge Networks 7132 339 0 1 Southwestern Bell Internet Se RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 709 0 1 UUNET - Commercial IP service 3301 296 0 1 TeliaNet Sweden 3320 270 0 1 Deutsche Telekom AG 8220 257 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 226 0 1 SWIPnet Swedish IP Network 3215 187 0 1 France Telecom Transpac 5515 186 0 1 Sonera Solution Autonomous Sy 5400 182 0 1 BT Ignite European Backbone 786 179 0 1 The JANET IP Service 719 173 0 1 LANLINK autonomous system 8708 156 0 1 Romania Data Systems S.A. 3303 148 0 1 Swisscom Ltd 3246 127 0 1 Song Networks 12302 127 0 1 MobiFon S.A. 3269 119 0 1 TELECOM ITALIA 2856 113 0 1 BTnet UK Regional network 25186 103 0 1 France Telecom Transpac's Tra 3352 98 0 1 Ibernet, Internet Access Netw 9051 88 0 1 INCONET Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 340 0 1 ImpSat 8151 234 0 1 UniNet S.A. de C.V. 7303 213 0 1 Telecom Argentina Stet-France 11172 188 0 1 Servicios Alestra S.A de C.V 16814 151 0 1 NSS, S.A. 10620 130 0 1 TVCABLE BOGOTA 6503 126 0 1 AVANTEL, S.A. 11992 91 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 8065 82 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 7927 68 0 1 Global One Venezuela 4270 67 0 1 Red de Interconexion Universi 7080 64 0 1 Electronica y Comunicaciones 1916 60 0 1 Fundacao de Amparo a Pesquisa 7984 59 0 1 Global One Colombia 4926 57 0 1 Telintar S.A. 10292 57 0 1 TELECOMMUNICATIONS OF JAMAICA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1404 1403 AT&T 1221 1136 1135 Telstra Pty Ltd 6197 963 962 BellSouth Network Solutions, 1239 908 906 Sprint 3908 906 905 Supernet, Inc. 702 709 708 UUNET - Commercial IP service 18566 692 691 Covad Communications 4323 670 669 Time Warner Communications, I 3356 567 566 Level 3 Communications, LLC 7843 529 528 Adelphia Corp. 852 516 515 Telus Advanced Communications 209 502 501 Qwest 6198 497 496 BellSouth Network Solutions, 20115 475 474 Charter Communications 690 411 410 Merit Network 705 408 407 UUNET Technologies, Inc. 4355 393 392 EarthLink, Inc. 2386 374 373 AT&T Data Communications Serv 4134 374 373 Data Communications Bureau List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18413 UNALLOCATED 203.14.8.16/24 4747 Taiwan Telecommunica 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 65407 PRIVATE 203.14.8.16/24 6553 Digital Island, Inc. 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 /16:3 /17:11 /18:17 /19:6 /20:5 /21:223 /22:31 /23:503 /24:124768 /25:2 /26:1 /27:1 /28:2 /29:12 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 682 692 Covad Communications 9942 34 188 COMindico Australia 2764 21 329 connect.com.au pty ltd 2914 17 282 Verio, Inc. 6316 7 31 StarNet, Inc. 12455 6 26 Jambonet Autonomous system 7474 5 333 Optus Communications Pty Ltd 4755 3 368 Videsh Sanchar Nigam Ltd. Aut 7909 3 9 CityNet Corporatino 209 2 502 Qwest 3462 2 91 Data Communication Business G 21875 2 3 Sands River Wireless 3542 1 8 DISA/UNRRA 4805 1 15 Equant (formerly Global One) 5522 1 30 OMNITEL 6074 1 29 Long Island University 6085 1 1 SITA Network Operations Cente 6347 1 355 SAVVIS Communications Corpora 7381 1 15 Sungard Recovery Services, In 7911 1 18 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 57:1 61:16 63:1 64:4 65:1 66:3 69:1 148:1 192:2 194:1 199:2 200:8 202:59 203:59098 204:3 206:11 208:1 210:5 211:1 212:6 220:6 End of report