Routing Table Report 04:00 +10GMT Sun 10 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123754 Prefixes after maximum aggregation: 15654 Unique aggregates announced to Internet: 210 Total ASes present in the Internet Routing Table: 15564 Origin-only ASes present in the Internet Routing Table: 13463 Origin ASes announcing only one prefix: 6160 Transit ASes present in the Internet Routing Table: 2101 Transit-only ASes present in the Internet Routing Table: 66 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: 630945 Equivalent to 0 /8s, 9 /16s and 160 /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: 22019 Total APNIC prefixes after maximum aggregation: 1998 Prefixes being announced from the APNIC address blocks: 123675 Unique aggregates announced from the APNIC address blocks: 198 APNIC Region origin ASes present in the Internet Routing Table: 1854 APNIC Region origin ASes announcing only one prefix: 532 APNIC Region transit ASes present in the Internet Routing Table: 308 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 510881 Equivalent to 0 /8s, 7 /16s and 203 /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: 74545 Total ARIN prefixes after maximum aggregation: 8540 Prefixes being announced from the ARIN address blocks: 28 Unique aggregates announced from the ARIN address blocks: 4 ARIN Region origin ASes present in the Internet Routing Table: 8535 ARIN Region origin ASes announcing only one prefix: 2932 ARIN Region transit ASes present in the Internet Routing Table: 841 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 5376 Equivalent to 0 /8s, 0 /16s and 21 /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: 21968 Total RIPE prefixes after maximum aggregation: 4773 Prefixes being announced from the RIPE address blocks: 29 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 4765 RIPE Region origin ASes announcing only one prefix: 2599 RIPE Region transit ASes present in the Internet Routing Table: 855 Average RIPE Region AS path length visible: 7.4 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 114688 Equivalent to 0 /8s, 1 /16s and 192 /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: 343 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: 97 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 1151 0 1 Telstra Pty Ltd 4755 427 16 89 Videsh Sanchar Nigam Ltd. Aut 2907 368 0 1 SINET Japan 703 337 0 2 UUNET 2764 334 1 20 connect.com.au pty ltd 7474 321 0 2 Optus Communications Pty Ltd 4134 319 0 1 Data Communications Bureau 17557 303 0 1 Pakistan Telecom 17676 250 0 1 XTAGE CORPORATION 3786 239 0 1 DACOM Corporation 9583 239 0 1 Satyam Infoway Ltd., 4766 223 0 1 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 160 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 132 0 1 TTnet ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1467 0 1 UUNET Technologies, Inc. 7018 1371 0 1 AT&T 1239 945 0 1 Sprint 3908 904 0 1 Supernet, Inc. 7132 816 0 1 Southwestern Bell Internet Se 4323 619 0 1 Time Warner Communications, I 6197 563 0 1 BellSouth Network Solutions, 7843 558 0 1 Adelphia Corp. 852 520 0 1 Telus Advanced Communications 209 519 0 1 Qwest 6198 501 0 1 BellSouth Network Solutions, 705 481 0 1 UUNET Technologies, Inc. 20115 473 0 1 Charter Communications 3356 445 0 1 Level 3 Communications, LLC 4355 405 0 1 EarthLink, Inc. 690 399 0 1 Merit Network 2386 398 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 680 233 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 786 179 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 288 0 1 ImpSat 7303 237 0 1 Telecom Argentina Stet-France 8151 223 0 1 UniNet S.A. de C.V. 11172 176 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 68 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 56 0 1 Telintar S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1371 1370 AT&T 1221 1151 1150 Telstra Pty Ltd 1239 945 944 Sprint 3908 904 903 Supernet, Inc. 7132 816 815 Southwestern Bell Internet Se 702 730 729 UUNET - Commercial IP service 4323 619 618 Time Warner Communications, I 6197 563 562 BellSouth Network Solutions, 7843 558 557 Adelphia Corp. 852 520 519 Telus Advanced Communications 209 519 518 Qwest 6198 501 500 BellSouth Network Solutions, 705 481 480 UUNET Technologies, Inc. 20115 473 472 Charter Communications 3356 445 444 Level 3 Communications, LLC 4355 405 404 EarthLink, Inc. 690 399 398 Merit Network 2386 398 397 AT&T Data Communications Serv 2907 368 367 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 /15:0 /16:2 /17:9 /18:17 /19:33 /20:5 /21:13 /22:21 /23:20 /24:123608 /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 23 334 connect.com.au pty ltd 2914 18 303 Verio, Inc. 4755 18 427 Videsh Sanchar Nigam Ltd. Aut 6316 8 36 StarNet, Inc. 8233 8 12 TeliaNet UK 29859 8 53 WideOpenWest LLC 3215 6 212 France Telecom Transpac 7474 5 321 Optus Communications Pty Ltd 1299 2 19 TeliaNet Global Network 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 8632 1 5 Luxembourg Online S.A. 9067 1 2 SaNET GmbH 9299 1 4 Philippine Long Distance Tele 12833 1 1 Sistema de Mail para Todos do 16441 1 27 Intellispace Inc. 17860 1 5 WEBZEN Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 64:4 192:2 193:7 194:1 195:8 200:9 202:46 203:57962 206:1 210:5 219:8 End of report