Routing Table Report 04:00 +10GMT Sun 31 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 124084 Prefixes after maximum aggregation: 15697 Unique aggregates announced to Internet: 137 Total ASes present in the Internet Routing Table: 15657 Origin-only ASes present in the Internet Routing Table: 13520 Origin ASes announcing only one prefix: 6195 Transit ASes present in the Internet Routing Table: 2137 Transit-only ASes present in the Internet Routing Table: 76 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: 571297 Equivalent to 0 /8s, 8 /16s and 183 /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: 99 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22158 Total APNIC prefixes after maximum aggregation: 1975 Prefixes being announced from the APNIC address blocks: 124034 Unique aggregates announced from the APNIC address blocks: 127 APNIC Region origin ASes present in the Internet Routing Table: 1868 APNIC Region origin ASes announcing only one prefix: 543 APNIC Region transit ASes present in the Internet Routing Table: 313 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 462241 Equivalent to 0 /8s, 7 /16s and 13 /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: 74644 Total ARIN prefixes after maximum aggregation: 8569 Prefixes being announced from the ARIN address blocks: 20 Unique aggregates announced from the ARIN address blocks: 4 ARIN Region origin ASes present in the Internet Routing Table: 8564 ARIN Region origin ASes announcing only one prefix: 2939 ARIN Region transit ASes present in the Internet Routing Table: 853 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: 22047 Total RIPE prefixes after maximum aggregation: 4809 Prefixes being announced from the RIPE address blocks: 9 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4805 RIPE Region origin ASes announcing only one prefix: 2612 RIPE Region transit ASes present in the Internet Routing Table: 869 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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: 5223 Total LACNIC prefixes after maximum aggregation: 344 Prefixes being announced from the LACNIC address blocks: 0 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: 101 LACNIC Region transit ASes present in the Internet Routing Table: 70 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 1156 0 1 Telstra Pty Ltd 2907 364 0 1 SINET Japan 703 361 0 2 UUNET 2764 333 1 20 connect.com.au pty ltd 7474 327 0 2 Optus Communications Pty Ltd 4134 320 0 1 Data Communications Bureau 17557 302 0 1 Pakistan Telecom 4755 260 13 7 Videsh Sanchar Nigam Ltd. Aut 17676 252 0 1 XTAGE CORPORATION 9583 243 0 1 Satyam Infoway Ltd., 3786 237 0 1 DACOM Corporation 4766 222 0 1 Korea Internet Exchange for " 9800 198 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 179 0 1 BHARTI BT INTERNET LTD. 4538 168 0 1 China Education and Research 17642 156 0 3 RequestDSL BGP AS# for Sydney 9942 155 8 29 COMindico Australia 9929 152 0 1 China Netcom Corp. 4739 143 0 5 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1474 0 1 UUNET Technologies, Inc. 7018 1385 0 1 AT&T 3908 915 0 1 Supernet, Inc. 1239 905 0 1 Sprint 4323 626 0 1 Time Warner Communications, I 6197 571 0 1 BellSouth Network Solutions, 7843 546 0 1 Adelphia Corp. 852 514 0 1 Telus Advanced Communications 6198 514 0 1 BellSouth Network Solutions, 209 513 0 1 Qwest 3356 476 0 1 Level 3 Communications, LLC 705 466 0 1 UUNET Technologies, Inc. 20115 465 0 1 Charter Communications 7132 413 0 1 Southwestern Bell Internet Se 690 410 0 1 Merit Network 4355 390 0 1 EarthLink, Inc. 2386 377 0 1 AT&T Data Communications Serv 11305 358 0 1 Interland Incorporated 3549 352 0 1 Global Crossing 6347 352 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 723 0 1 UUNET - Commercial IP service 3301 294 0 1 TeliaNet Sweden 3320 266 0 1 Deutsche Telekom AG 8220 245 0 1 COLT Internet - International 1257 240 0 1 SWIPnet Swedish IP Network 680 232 0 1 DFN-IP service G-WiN 3215 213 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 5400 178 0 1 BT Ignite European Backbone 719 171 0 1 LANLINK autonomous system 8708 159 0 1 Romania Data Systems S.A. 3303 143 0 1 Swisscom Ltd 12302 126 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 319 0 1 ImpSat 7303 236 0 1 Telecom Argentina Stet-France 8151 224 0 1 UniNet S.A. de C.V. 11172 186 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 87 0 1 Integrated Systems 6147 83 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 11830 74 0 1 Instituto Costarricense de El 1916 72 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 4926 56 0 1 Telintar S.A. 13999 56 0 1 Mega Cable S.A. de C.V. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1385 1384 AT&T 1221 1156 1155 Telstra Pty Ltd 3908 915 914 Supernet, Inc. 1239 905 904 Sprint 702 723 722 UUNET - Commercial IP service 4323 626 625 Time Warner Communications, I 6197 571 570 BellSouth Network Solutions, 7843 546 545 Adelphia Corp. 852 514 513 Telus Advanced Communications 6198 514 513 BellSouth Network Solutions, 209 513 512 Qwest 3356 476 475 Level 3 Communications, LLC 705 466 465 UUNET Technologies, Inc. 20115 465 464 Charter Communications 7132 413 412 Southwestern Bell Internet Se 690 410 409 Merit Network 4355 390 389 EarthLink, Inc. 2386 377 376 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 64512 PRIVATE 203.14.8.16/24 9498 BHARTI BT INTERNET L 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 /17:11 /18:16 /19:4 /20:5 /21:17 /22:17 /23:28 /24:123959 /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 9942 30 155 COMindico Australia 2764 23 333 connect.com.au pty ltd 2914 17 291 Verio, Inc. 6316 8 33 StarNet, Inc. 7474 5 327 Optus Communications Pty Ltd 11163 5 5 The Internet Shop 3762 2 44 Instinet 701 1 1474 UUNET Technologies, Inc. 2050 1 17 Sprint Enterprise Information 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 7381 1 15 Sungard Recovery Services, In 12809 1 1 GEON.DONETSK.UA Autonomous Sy 17860 1 5 WEBZEN 20663 1 15 Autonomous System of Vologda Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:16 62:1 63:4 64:1 169:1 194:1 198:1 202:39 203:58352 204:1 208:1 210:1 220:3 End of report