Routing Table Report 04:00 +10GMT Tue 12 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123844 Prefixes after maximum aggregation: 15743 Unique aggregates announced to Internet: 216 Total ASes present in the Internet Routing Table: 15583 Origin-only ASes present in the Internet Routing Table: 13477 Origin ASes announcing only one prefix: 6167 Transit ASes present in the Internet Routing Table: 2106 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 6.7 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: 596385 Equivalent to 0 /8s, 9 /16s and 25 /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: 111 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22089 Total APNIC prefixes after maximum aggregation: 1991 Prefixes being announced from the APNIC address blocks: 123637 Unique aggregates announced from the APNIC address blocks: 178 APNIC Region origin ASes present in the Internet Routing Table: 1859 APNIC Region origin ASes announcing only one prefix: 535 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: 465569 Equivalent to 0 /8s, 7 /16s and 26 /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: 74562 Total ARIN prefixes after maximum aggregation: 8633 Prefixes being announced from the ARIN address blocks: 83 Unique aggregates announced from the ARIN address blocks: 32 ARIN Region origin ASes present in the Internet Routing Table: 8543 ARIN Region origin ASes announcing only one prefix: 2935 ARIN Region transit ASes present in the Internet Routing Table: 845 Average ARIN Region AS path length visible: 6.6 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 32512 Equivalent to 0 /8s, 0 /16s and 127 /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: 21971 Total RIPE prefixes after maximum aggregation: 4774 Prefixes being announced from the RIPE address blocks: 7 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 4770 RIPE Region origin ASes announcing only one prefix: 2601 RIPE Region transit ASes present in the Internet Routing Table: 852 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 27 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: 5211 Total LACNIC prefixes after maximum aggregation: 345 Prefixes being announced from the LACNIC address blocks: 14 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 343 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: 7.9 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 383 15 73 Videsh Sanchar Nigam Ltd. Aut 2907 371 0 1 SINET Japan 703 336 0 2 UUNET 2764 335 1 20 connect.com.au pty ltd 7474 321 0 2 Optus Communications Pty Ltd 4134 320 0 1 Data Communications Bureau 17557 303 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 3 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 161 0 1 BHARTI BT INTERNET LTD. 9929 151 0 1 China Netcom Corp. 4739 140 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 1379 0 1 AT&T 1239 947 0 1 Sprint 3908 904 0 1 Supernet, Inc. 7132 817 0 1 Southwestern Bell Internet Se 4323 620 0 1 Time Warner Communications, I 6197 565 0 1 BellSouth Network Solutions, 7843 558 0 1 Adelphia Corp. 852 522 0 1 Telus Advanced Communications 209 521 0 1 Qwest 6198 501 0 1 BellSouth Network Solutions, 705 481 0 1 UUNET Technologies, Inc. 20115 472 0 1 Charter Communications 3356 439 0 1 Level 3 Communications, LLC 4355 405 0 1 EarthLink, Inc. 690 402 0 1 Merit Network 2386 372 0 1 AT&T Data Communications Serv 11305 358 0 1 Interland Incorporated 6347 356 0 1 SAVVIS Communications Corpora 19029 350 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 730 0 1 UUNET - Commercial IP service 3301 291 0 1 TeliaNet Sweden 3320 255 0 1 Deutsche Telekom AG 8220 246 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 230 0 1 SWIPnet Swedish IP Network 3215 212 0 1 France Telecom Transpac 5515 185 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 174 0 1 LANLINK autonomous system 5400 166 0 1 BT Ignite European Backbone 8708 154 0 1 Romania Data Systems S.A. 3303 141 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 126 0 1 BTnet UK Regional network 3246 123 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 111 0 1 Ibernet, Internet Access Netw 9051 88 0 1 INCONET Autonomous System 6746 87 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 289 0 1 ImpSat 7303 237 0 1 Telecom Argentina Stet-France 8151 222 0 1 UniNet S.A. de C.V. 11172 177 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 131 0 1 AVANTEL, S.A. 10620 125 0 1 TVCABLE BOGOTA 11992 86 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 11830 75 0 1 Instituto Costarricense de El 15311 74 0 1 Telefonica Empresas 1916 72 0 1 Fundacao de Amparo a Pesquisa 4270 67 0 1 Red de Interconexion Universi 7927 66 0 1 Global One Venezuela 7080 64 0 1 Electronica y Comunicaciones 13999 63 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 1379 1378 AT&T 1221 1152 1151 Telstra Pty Ltd 1239 947 946 Sprint 3908 904 903 Supernet, Inc. 7132 817 816 Southwestern Bell Internet Se 702 730 729 UUNET - Commercial IP service 4323 620 619 Time Warner Communications, I 6197 565 564 BellSouth Network Solutions, 7843 558 557 Adelphia Corp. 852 522 521 Telus Advanced Communications 209 521 520 Qwest 6198 501 500 BellSouth Network Solutions, 705 481 480 UUNET Technologies, Inc. 20115 472 471 Charter Communications 3356 439 438 Level 3 Communications, LLC 4355 405 404 EarthLink, Inc. 690 402 401 Merit Network 2386 372 371 AT&T Data Communications Serv 2907 371 370 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 1880 Stupi, house man's p 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 /15:1 /16:1 /17:10 /18:17 /19:14 /20:5 /21:14 /22:16 /23:22 /24:123718 /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 23 335 connect.com.au pty ltd 2914 18 303 Verio, Inc. 4755 18 383 Videsh Sanchar Nigam Ltd. Aut 14846 11 44 NBC Internet 6316 8 36 StarNet, Inc. 14420 8 41 ANDINATEL S.A. 7474 5 321 Optus Communications Pty Ltd 18447 4 14 Affinity Internet, Inc. 4766 2 223 Korea Internet Exchange for " 3549 1 344 Global Crossing 3768 1 25 Dialog Information Services, 4805 1 15 Equant (formerly Global One) 4844 1 2 SuperInternet ACCESS Pte Ltd 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 16 Sungard Recovery Services, In 16441 1 27 Intellispace Inc. 17054 1 122 e-xpedient 17860 1 5 WEBZEN 20009 1 2 The City of Wadsworth Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 64:5 65:3 66:3 167:1 192:82 198:12 199:24 200:9 202:48 203:57940 204:5 205:5 206:1 209:11 210:4 211:2 216:1 219:8 End of report