Routing Table Report 04:00 +10GMT Sat 09 Aug, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123864 Prefixes after maximum aggregation: 15679 Unique aggregates announced to Internet: 237 Total ASes present in the Internet Routing Table: 15568 Origin-only ASes present in the Internet Routing Table: 13468 Origin ASes announcing only one prefix: 6155 Transit ASes present in the Internet Routing Table: 2100 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: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 675233 Equivalent to 0 /8s, 10 /16s and 77 /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: 102 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 22035 Total APNIC prefixes after maximum aggregation: 1995 Prefixes being announced from the APNIC address blocks: 123785 Unique aggregates announced from the APNIC address blocks: 198 APNIC Region origin ASes present in the Internet Routing Table: 1850 APNIC Region origin ASes announcing only one prefix: 527 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: 486817 Equivalent to 0 /8s, 7 /16s and 109 /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: 74674 Total ARIN prefixes after maximum aggregation: 8569 Prefixes being announced from the ARIN address blocks: 47 Unique aggregates announced from the ARIN address blocks: 29 ARIN Region origin ASes present in the Internet Routing Table: 8546 ARIN Region origin ASes announcing only one prefix: 2932 ARIN Region transit ASes present in the Internet Routing Table: 839 Average ARIN Region AS path length visible: 6.6 Max ARIN Region AS path length visible: 36 Number of ARIN addresses announced to Internet: 61440 Equivalent to 0 /8s, 0 /16s and 240 /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: 21926 Total RIPE prefixes after maximum aggregation: 4773 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 4763 RIPE Region origin ASes announcing only one prefix: 2600 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: 126976 Equivalent to 0 /8s, 1 /16s and 240 /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: 5216 Total LACNIC prefixes after maximum aggregation: 342 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: 342 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 1148 0 1 Telstra Pty Ltd 4755 427 16 89 Videsh Sanchar Nigam Ltd. Aut 2907 368 0 1 SINET Japan 703 336 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 301 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 1469 0 1 UUNET Technologies, Inc. 7018 1372 0 1 AT&T 1239 944 0 1 Sprint 3908 899 0 1 Supernet, Inc. 7132 855 0 1 Southwestern Bell Internet Se 4323 617 0 1 Time Warner Communications, I 6197 562 0 1 BellSouth Network Solutions, 7843 558 0 1 Adelphia Corp. 852 522 0 1 Telus Advanced Communications 209 521 0 2 Qwest 6198 500 0 1 BellSouth Network Solutions, 705 481 0 1 UUNET Technologies, Inc. 20115 473 0 1 Charter Communications 3356 440 0 1 Level 3 Communications, LLC 690 411 0 1 Merit Network 4355 405 0 1 EarthLink, Inc. 2386 397 0 1 AT&T Data Communications Serv 6347 361 0 1 SAVVIS Communications Corpora 11305 358 0 1 Interland Incorporated 19029 350 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 731 0 1 UUNET - Commercial IP service 3301 292 0 1 TeliaNet Sweden 3320 256 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 3303 141 0 1 Swisscom Ltd 8708 135 0 1 Romania Data Systems S.A. 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 5511 97 0 1 France Telecom 9051 88 0 1 INCONET Autonomous System 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 87 0 1 Integrated Systems 6147 84 0 1 Telefonica Del Peru 8065 80 0 1 Empresas Publicas de Medellin 6535 75 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 11830 73 0 1 Instituto Costarricense de El 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 11562 58 0 1 Net-Uno, C.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1372 1371 AT&T 1221 1148 1147 Telstra Pty Ltd 1239 944 943 Sprint 3908 899 898 Supernet, Inc. 7132 855 854 Southwestern Bell Internet Se 702 731 730 UUNET - Commercial IP service 4323 617 616 Time Warner Communications, I 6197 562 561 BellSouth Network Solutions, 7843 558 557 Adelphia Corp. 852 522 521 Telus Advanced Communications 209 521 519 Qwest 6198 500 499 BellSouth Network Solutions, 705 481 480 UUNET Technologies, Inc. 20115 473 472 Charter Communications 3356 440 439 Level 3 Communications, LLC 690 411 410 Merit Network 4355 405 404 EarthLink, Inc. 2386 397 396 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 65021 PRIVATE 203.14.8.16/24 619 Department of Navy 65021 PRIVATE 203.14.8.16/24 619 Department of Navy 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 /16:1 /17:9 /18:15 /19:36 /20:9 /21:19 /22:16 /23:14 /24:123719 /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 18 302 Verio, Inc. 4755 18 427 Videsh Sanchar Nigam Ltd. Aut 6316 8 36 StarNet, Inc. 8233 8 12 TeliaNet UK 7474 5 321 Optus Communications Pty Ltd 21725 5 12 Millington Telephone 1299 2 19 TeliaNet Global Network 10609 2 10 Televar Northwest, Inc. 4270 1 68 Red de Interconexion Universi 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 9299 1 3 Philippine Long Distance Tele 16324 1 1 DAN Telecom Autonomus System 16441 1 25 Intellispace Inc. 17860 1 5 WEBZEN 20435 1 12 Gemplex Internet, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:1 63:1 64:2 65:1 67:1 192:1 195:8 199:1 202:47 203:58075 204:2 205:1 206:1 207:7 208:1 210:5 216:2 219:8 End of report