Routing Table Report 04:00 +10GMT Wed 09 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123084 Prefixes after maximum aggregation: 15493 Unique aggregates announced to Internet: 220 Total ASes present in the Internet Routing Table: 15382 Origin-only ASes present in the Internet Routing Table: 13315 Origin ASes announcing only one prefix: 6083 Transit ASes present in the Internet Routing Table: 2067 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 255 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: 576369 Equivalent to 0 /8s, 8 /16s and 203 /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: 134 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21795 Total APNIC prefixes after maximum aggregation: 1982 Prefixes being announced from the APNIC address blocks: 122993 Unique aggregates announced from the APNIC address blocks: 196 APNIC Region origin ASes present in the Internet Routing Table: 1835 APNIC Region origin ASes announcing only one prefix: 535 APNIC Region transit ASes present in the Internet Routing Table: 297 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 444785 Equivalent to 0 /8s, 6 /16s and 201 /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: 74200 Total ARIN prefixes after maximum aggregation: 8456 Prefixes being announced from the ARIN address blocks: 28 Unique aggregates announced from the ARIN address blocks: 11 ARIN Region origin ASes present in the Internet Routing Table: 8443 ARIN Region origin ASes announcing only one prefix: 2893 ARIN Region transit ASes present in the Internet Routing Table: 831 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 7168 Equivalent to 0 /8s, 0 /16s and 28 /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: 21857 Total RIPE prefixes after maximum aggregation: 4718 Prefixes being announced from the RIPE address blocks: 44 Unique aggregates announced from the RIPE address blocks: 13 RIPE Region origin ASes present in the Internet Routing Table: 4700 RIPE Region origin ASes announcing only one prefix: 2564 RIPE Region transit ASes present in the Internet Routing Table: 840 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 124416 Equivalent to 0 /8s, 1 /16s and 230 /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: 5220 Total LACNIC prefixes after maximum aggregation: 337 Prefixes being announced from the LACNIC address blocks: 2 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 337 LACNIC Region origin ASes announcing only one prefix: 91 LACNIC Region transit ASes present in the Internet Routing Table: 73 Average LACNIC Region AS path length visible: 7.0 Max LACNIC Region AS path length visible: 28 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 4755 429 23 92 Videsh Sanchar Nigam Ltd. Aut 2907 372 0 1 SINET Japan 17557 343 0 1 Pakistan Telecom 2764 340 1 19 connect.com.au pty ltd 703 332 0 2 UUNET 7474 315 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 9583 235 0 1 Satyam Infoway Ltd., 4766 221 0 1 Korea Internet Exchange for " 4134 220 0 1 Data Communications Bureau 9800 189 2 4 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 168 0 1 BHARTI BT INTERNET LTD. 4538 166 0 1 China Education and Research 9929 156 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 138 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 1498 0 1 UUNET Technologies, Inc. 7018 1339 0 1 AT&T 1239 956 0 1 Sprint 3908 885 0 1 Supernet, Inc. 7132 838 0 1 Southwestern Bell Internet Se 4323 610 0 1 Time Warner Communications, I 7843 603 0 1 Adelphia Corp. 11305 549 0 1 Interland Incorporated 852 526 0 1 Telus Advanced Communications 6197 523 0 1 BellSouth Network Solutions, 209 516 0 1 Qwest 705 499 0 1 UUNET Technologies, Inc. 6198 480 0 1 BellSouth Network Solutions, 20115 459 0 1 Charter Communications 690 449 0 1 Merit Network 2386 406 0 1 AT&T Data Communications Serv 1 405 0 1 GENUITY 4355 400 0 1 EarthLink, Inc. 3561 367 0 1 Cable & Wireless USA 3356 363 0 1 Level 3 Communications, LLC RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1016 0 1 UUNET - Commercial IP service 3301 293 0 1 TeliaNet Sweden 3320 266 0 1 Deutsche Telekom AG 3215 242 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 230 0 1 COLT Internet - International 1257 223 0 1 SWIPnet Swedish IP Network 5400 198 0 1 BT Ignite European Backbone 5515 187 0 1 Sonera Solution Autonomous Sy 786 179 0 1 The JANET IP Service 719 175 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 141 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 125 0 1 BTnet UK Regional network 3246 122 0 1 Song Networks 3269 117 0 1 TELECOM ITALIA 3352 107 0 1 Ibernet, Internet Access Netw 5511 96 0 1 France Telecom 6746 90 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 297 0 1 ImpSat 7303 237 0 1 Telecom Argentina Stet-France 8151 217 0 1 UniNet S.A. de C.V. 11172 172 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 128 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 98 0 1 Telefonica Del Peru 11992 88 0 1 Integrated Systems 13999 86 0 1 Mega Cable S.A. de C.V. 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 1916 72 0 1 Fundacao de Amparo a Pesquisa 11830 70 0 1 Instituto Costarricense de El 4270 68 0 1 Red de Interconexion Universi 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 7984 60 0 1 Global One Colombia 7738 57 0 1 Telecomunicacoes da Bahia S.A Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1339 1338 AT&T 1221 1156 1155 Telstra Pty Ltd 702 1016 1015 UUNET - Commercial IP service 1239 956 955 Sprint 3908 885 884 Supernet, Inc. 7132 838 837 Southwestern Bell Internet Se 4323 610 609 Time Warner Communications, I 7843 603 602 Adelphia Corp. 11305 549 548 Interland Incorporated 852 526 525 Telus Advanced Communications 6197 523 522 BellSouth Network Solutions, 209 516 515 Qwest 705 499 498 UUNET Technologies, Inc. 6198 480 479 BellSouth Network Solutions, 20115 459 458 Charter Communications 690 449 448 Merit Network 2386 406 405 AT&T Data Communications Serv 1 405 404 GENUITY 4355 400 399 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1880 Stupi, house man's p 64732 PRIVATE 203.14.8.16/24 9808 Guangdong Mobile Com 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 /16:6 /17:9 /18:14 /19:26 /20:9 /21:15 /22:17 /23:20 /24:122942 /25:6 /26:0 /27:1 /28:2 /29:11 /30:1 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2764 23 340 connect.com.au pty ltd 4755 19 429 Videsh Sanchar Nigam Ltd. Aut 2914 18 300 Verio, Inc. 27364 9 305 Armstrong Cable Services 8233 8 14 TeliaNet UK 7474 5 315 Optus Communications Pty Ltd 15772 5 9 W-NET Kiev 22792 5 26 MountaiNet 22951 4 12 West Texas Internet Services 1299 3 20 TeliaNet Global Network 15694 3 4 ATMAN Autonomous System 16490 3 3 Keystone Financial, Inc. 9800 2 189 CHINA UNICOM 15129 2 22 Tricom 15497 2 3 Colocall Autonomous System 20770 2 3 Kiev UA 23135 2 2 Limelight Networks 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:5 24:7 57:1 61:17 62:3 63:2 69:2 192:1 193:4 194:2 195:11 196:1 200:1 202:48 203:57276 206:1 210:6 216:7 217:3 219:8 End of report