Routing Table Report 04:00 +10GMT Mon 14 Jul, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123290 Prefixes after maximum aggregation: 15559 Unique aggregates announced to Internet: 219 Total ASes present in the Internet Routing Table: 15410 Origin-only ASes present in the Internet Routing Table: 13332 Origin ASes announcing only one prefix: 6099 Transit ASes present in the Internet Routing Table: 2078 Transit-only ASes present in the Internet Routing Table: 66 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: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 17296561 Equivalent to 1 /8s, 7 /16s and 236 /24s Percentage of available address space announced: 0.5 Percentage of allocated address space announced: 0.8 Percentage of available address space allocated: 56.0 Total number of prefixes smaller than registry allocations: 102 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21780 Total APNIC prefixes after maximum aggregation: 2025 Prefixes being announced from the APNIC address blocks: 123218 Unique aggregates announced from the APNIC address blocks: 198 APNIC Region origin ASes present in the Internet Routing Table: 1834 APNIC Region origin ASes announcing only one prefix: 538 APNIC Region transit ASes present in the Internet Routing Table: 295 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 409265 Equivalent to 0 /8s, 6 /16s and 62 /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: 74329 Total ARIN prefixes after maximum aggregation: 8469 Prefixes being announced from the ARIN address blocks: 10 Unique aggregates announced from the ARIN address blocks: 6 ARIN Region origin ASes present in the Internet Routing Table: 8463 ARIN Region origin ASes announcing only one prefix: 2903 ARIN Region transit ASes present in the Internet Routing Table: 835 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 5888 Equivalent to 0 /8s, 0 /16s and 23 /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: 21981 Total RIPE prefixes after maximum aggregation: 4728 Prefixes being announced from the RIPE address blocks: 34 Unique aggregates announced from the RIPE address blocks: 14 RIPE Region origin ASes present in the Internet Routing Table: 4709 RIPE Region origin ASes announcing only one prefix: 2563 RIPE Region transit ASes present in the Internet Routing Table: 849 Average RIPE Region AS path length visible: 6.4 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 104192 Equivalent to 0 /8s, 1 /16s and 151 /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: 5189 Total LACNIC prefixes after maximum aggregation: 337 Prefixes being announced from the LACNIC address blocks: 1 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: 95 LACNIC Region transit ASes present in the Internet Routing Table: 70 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 1152 0 1 Telstra Pty Ltd 4755 431 23 90 Videsh Sanchar Nigam Ltd. Aut 2907 371 0 1 SINET Japan 17557 343 0 1 Pakistan Telecom 2764 342 1 20 connect.com.au pty ltd 703 333 1 7 UUNET 7474 316 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 243 0 1 DACOM Corporation 9583 239 0 1 Satyam Infoway Ltd., 4134 220 0 1 Data Communications Bureau 4766 220 0 1 Korea Internet Exchange for " 9800 189 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 171 0 1 BHARTI BT INTERNET LTD. 4538 166 0 1 China Education and Research 9929 154 0 1 China Netcom Corp. 4739 142 0 5 Commerical Internet eXchange 9238 136 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 1496 0 1 UUNET Technologies, Inc. 7018 1344 0 1 AT&T 1239 965 0 1 Sprint 3908 885 0 1 Supernet, Inc. 7132 839 0 1 Southwestern Bell Internet Se 4323 610 0 1 Time Warner Communications, I 7843 587 0 1 Adelphia Corp. 11305 549 0 1 Interland Incorporated 6197 527 0 1 BellSouth Network Solutions, 852 526 0 1 Telus Advanced Communications 209 513 0 1 Qwest 705 487 0 1 UUNET Technologies, Inc. 6198 480 0 1 BellSouth Network Solutions, 20115 460 0 1 Charter Communications 690 448 0 1 Merit Network 4355 400 0 1 EarthLink, Inc. 1 395 0 1 GENUITY 2386 392 0 2 AT&T Data Communications Serv 3356 367 0 1 Level 3 Communications, LLC 6347 363 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1014 0 1 UUNET - Commercial IP service 3301 292 0 1 TeliaNet Sweden 3320 267 0 1 Deutsche Telekom AG 3215 239 0 1 France Telecom Transpac 8220 233 0 1 COLT Internet - International 680 232 0 1 DFN-IP service G-WiN 1257 224 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 719 174 0 1 LANLINK autonomous system 8708 154 0 1 Romania Data Systems S.A. 3303 142 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 126 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 98 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 222 0 1 UniNet S.A. de C.V. 11172 174 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 131 0 1 AVANTEL, S.A. 10620 115 0 1 TVCABLE BOGOTA 6147 99 0 1 Telefonica Del Peru 11992 87 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 66 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 1344 1343 AT&T 1221 1152 1151 Telstra Pty Ltd 702 1014 1013 UUNET - Commercial IP service 1239 965 964 Sprint 3908 885 884 Supernet, Inc. 7132 839 838 Southwestern Bell Internet Se 4323 610 609 Time Warner Communications, I 7843 587 586 Adelphia Corp. 11305 549 548 Interland Incorporated 6197 527 526 BellSouth Network Solutions, 852 526 525 Telus Advanced Communications 209 513 512 Qwest 705 487 486 UUNET Technologies, Inc. 6198 480 479 BellSouth Network Solutions, 20115 460 459 Charter Communications 690 448 447 Merit Network 4355 400 399 EarthLink, Inc. 1 395 394 GENUITY 2386 392 390 AT&T Data Communications Serv 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 Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:1 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:0 /16:15 /17:8 /18:16 /19:24 /20:6 /21:22 /22:32 /23:22 /24:123117 /25:6 /26:1 /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 24 342 connect.com.au pty ltd 4755 19 431 Videsh Sanchar Nigam Ltd. Aut 2914 18 302 Verio, Inc. 20671 13 13 NETMASTERS - ROMANIA/Craiova 8233 8 14 TeliaNet UK 7474 5 316 Optus Communications Pty Ltd 1299 2 18 TeliaNet Global Network 6034 2 6 USCENTCOM/CCJ6-C 703 1 333 UUNET 2643 1 3 IHEP-SU AS 4805 1 15 Equant (formerly Global One) 6085 1 1 SITA Network Operations Cente 7013 1 5 Health Sciences Libraries Con 7381 1 15 Sungard Recovery Services, In 8781 1 34 Qatar Telecom (Q-Tel) 9299 1 3 Philippine Long Distance Tele 16214 1 15 Cerist-Alnet ISP networks Div 16441 1 27 Intellispace Inc. 22822 1 22 Limelight Networks, LLC Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 69:1 144:2 157:1 192:4 193:5 194:3 195:8 196:1 202:110 203:57404 204:1 206:1 207:1 210:5 212:1 213:1 217:5 219:8 End of report