Routing Table Report 04:00 +10GMT Wed 25 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122450 Prefixes after maximum aggregation: 15439 Unique aggregates announced to Internet: 227 Total ASes present in the Internet Routing Table: 15316 Origin-only ASes present in the Internet Routing Table: 13271 Origin ASes announcing only one prefix: 6067 Transit ASes present in the Internet Routing Table: 2045 Transit-only ASes present in the Internet Routing Table: 60 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: 353521 Equivalent to 0 /8s, 5 /16s and 100 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 113 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21480 Total APNIC prefixes after maximum aggregation: 1977 Prefixes being announced from the APNIC address blocks: 122348 Unique aggregates announced from the APNIC address blocks: 207 APNIC Region origin ASes present in the Internet Routing Table: 1813 APNIC Region origin ASes announcing only one prefix: 534 APNIC Region transit ASes present in the Internet Routing Table: 288 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 339185 Equivalent to 0 /8s, 5 /16s and 44 /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: 74374 Total ARIN prefixes after maximum aggregation: 8452 Prefixes being announced from the ARIN address blocks: 31 Unique aggregates announced from the ARIN address blocks: 17 ARIN Region origin ASes present in the Internet Routing Table: 8440 ARIN Region origin ASes announcing only one prefix: 2899 ARIN Region transit ASes present in the Internet Routing Table: 825 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 32 Number of ARIN addresses announced to Internet: 6144 Equivalent to 0 /8s, 0 /16s and 24 /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: 21380 Total RIPE prefixes after maximum aggregation: 4670 Prefixes being announced from the RIPE address blocks: 25 Unique aggregates announced from the RIPE address blocks: 3 RIPE Region origin ASes present in the Internet Routing Table: 4666 RIPE Region origin ASes announcing only one prefix: 2544 RIPE Region transit ASes present in the Internet Routing Table: 838 Average RIPE Region AS path length visible: 6.5 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 8192 Equivalent to 0 /8s, 0 /16s and 32 /24s Percentage of available RIPE address space announced: 0.0 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: 5206 Total LACNIC prefixes after maximum aggregation: 340 Prefixes being announced from the LACNIC address blocks: 4 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 336 LACNIC Region origin ASes announcing only one prefix: 90 LACNIC Region transit ASes present in the Internet Routing Table: 74 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 1154 0 1 Telstra Pty Ltd 4755 424 23 98 Videsh Sanchar Nigam Ltd. Aut 2907 373 0 1 SINET Japan 17557 343 0 1 Pakistan Telecom 703 337 0 2 UUNET 2764 337 0 18 connect.com.au pty ltd 7474 319 0 2 Optus Communications Pty Ltd 17676 250 0 1 XTAGE CORPORATION 3786 242 0 1 DACOM Corporation 9583 231 0 1 Satyam Infoway Ltd., 4134 219 0 1 Data Communications Bureau 4766 211 0 1 Korea Internet Exchange for " 9800 187 0 1 CHINA UNICOM 9443 182 0 1 Primus Telecommunications 9498 167 0 1 BHARTI BT INTERNET LTD. 4739 141 0 2 Commerical Internet eXchange 9929 136 0 1 China Netcom Corp. 9238 135 0 1 TATA ISP 4716 128 0 1 TTnet 4713 123 0 1 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1508 0 1 UUNET Technologies, Inc. 7018 1336 0 1 AT&T 1239 963 0 1 Sprint 3908 887 0 1 Supernet, Inc. 7132 861 0 1 Southwestern Bell Internet Se 11305 649 0 1 Interland Incorporated 7843 630 0 1 Adelphia Corp. 4323 603 0 1 Time Warner Communications, I 852 525 0 1 Telus Advanced Communications 6197 518 0 1 BellSouth Network Solutions, 705 507 0 1 UUNET Technologies, Inc. 209 494 0 1 Qwest 6198 478 0 1 BellSouth Network Solutions, 20115 463 0 1 Charter Communications 690 448 0 1 Merit Network 1 433 0 1 GENUITY 2386 408 0 1 AT&T Data Communications Serv 4355 396 0 1 EarthLink, Inc. 3561 375 0 1 Cable & Wireless USA 6347 368 0 1 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 741 0 1 UUNET - Commercial IP service 3301 303 0 1 TeliaNet Sweden 3320 265 0 1 Deutsche Telekom AG 3215 259 0 1 France Telecom Transpac 680 232 0 1 DFN-IP service G-WiN 8220 226 1 2 COLT Internet - International 1257 223 0 1 SWIPnet Swedish IP Network 5400 202 0 1 BT Ignite European Backbone 5515 179 0 1 Sonera Solution Autonomous Sy 786 178 0 1 The JANET IP Service 719 175 0 1 LANLINK autonomous system 8708 153 0 1 Romania Data Systems S.A. 3303 141 0 1 Swisscom Ltd 12302 127 0 1 MobiFon S.A. 2856 124 0 1 BTnet UK Regional network 3246 120 0 1 Song Networks 3269 118 0 1 TELECOM ITALIA 3352 109 0 1 Ibernet, Internet Access Netw 5511 101 0 1 France Telecom 6746 89 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 293 0 1 ImpSat 7303 239 0 1 Telecom Argentina Stet-France 8151 216 0 1 UniNet S.A. de C.V. 11172 170 0 1 Servicios Alestra S.A de C.V 16814 135 0 1 NSS, S.A. 6503 130 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 76 0 1 Chilesat Servicios Empresari 1916 72 0 1 Fundacao de Amparo a Pesquisa 15311 72 0 1 Telefonica Empresas 4270 68 0 1 Red de Interconexion Universi 11830 67 0 1 Instituto Costarricense de El 7080 64 0 1 Electronica y Comunicaciones 7927 64 0 1 Global One Venezuela 15034 62 0 1 TIBA SA 7984 61 0 1 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1336 1335 AT&T 1221 1154 1153 Telstra Pty Ltd 1239 963 962 Sprint 3908 887 886 Supernet, Inc. 7132 861 860 Southwestern Bell Internet Se 702 741 740 UUNET - Commercial IP service 11305 649 648 Interland Incorporated 7843 630 629 Adelphia Corp. 4323 603 602 Time Warner Communications, I 852 525 524 Telus Advanced Communications 6197 518 517 BellSouth Network Solutions, 705 507 506 UUNET Technologies, Inc. 209 494 493 Qwest 6198 478 477 BellSouth Network Solutions, 20115 463 462 Charter Communications 690 448 447 Merit Network 1 433 432 GENUITY 2386 408 407 AT&T Data Communications Serv 4355 396 395 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 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 /16:23 /17:7 /18:10 /19:11 /20:9 /21:20 /22:29 /23:23 /24:122293 /25:5 /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 22 337 connect.com.au pty ltd 4755 19 424 Videsh Sanchar Nigam Ltd. Aut 2914 18 296 Verio, Inc. 20734 12 14 Sydkraft Bredband Autonomous 11548 11 40 Dragon Internet 7474 5 319 Optus Communications Pty Ltd 5639 4 47 Telecommunications Services o 9051 4 85 INCONET Autonomous System 8534 3 5 InfoSky - Informatika a.d. 15024 2 23 Packet Works Inc. 15571 2 4 Starcom 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 9299 1 3 Philippine Long Distance Tele 11457 1 5 Taylor Communications Group, 15536 1 1 CEDEFOP 16229 1 27 ThunderNet Ltd 16441 1 27 Intellispace Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 57:1 61:17 62:2 63:1 64:2 65:1 192:1 193:4 194:1 196:3 198:2 199:3 200:4 202:56 203:56629 206:2 208:1 209:4 210:5 216:9 219:9 End of report