Routing Table Report 04:00 +10GMT Thu 11 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 128609 Prefixes after maximum aggregation: 16357 Unique aggregates announced to Internet: 245 Total ASes present in the Internet Routing Table: 16221 Origin-only ASes present in the Internet Routing Table: 14078 Origin ASes announcing only one prefix: 6479 Transit ASes present in the Internet Routing Table: 2143 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 30 Illegal AS announcements present in the Routing Table: 0 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 780289 Equivalent to 0 /8s, 11 /16s and 232 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 57.3 Total number of prefixes smaller than registry allocations: 842 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23729 Total APNIC prefixes after maximum aggregation: 2061 Prefixes being announced from the APNIC address blocks: 127724 Unique aggregates announced from the APNIC address blocks: 171 APNIC Region origin ASes present in the Internet Routing Table: 1936 APNIC Region origin ASes announcing only one prefix: 587 APNIC Region transit ASes present in the Internet Routing Table: 313 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 582657 Equivalent to 0 /8s, 8 /16s and 228 /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: 75397 Total ARIN prefixes after maximum aggregation: 8797 Prefixes being announced from the ARIN address blocks: 816 Unique aggregates announced from the ARIN address blocks: 57 ARIN Region origin ASes present in the Internet Routing Table: 8735 ARIN Region origin ASes announcing only one prefix: 3059 ARIN Region transit ASes present in the Internet Routing Table: 843 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 49664 Equivalent to 0 /8s, 0 /16s and 194 /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, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 22925 Total RIPE prefixes after maximum aggregation: 5043 Prefixes being announced from the RIPE address blocks: 40 Unique aggregates announced from the RIPE address blocks: 17 RIPE Region origin ASes present in the Internet Routing Table: 5026 RIPE Region origin ASes announcing only one prefix: 2698 RIPE Region transit ASes present in the Internet Routing Table: 871 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 147968 Equivalent to 0 /8s, 2 /16s and 66 /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 30720 - 31743 RIPE Address Blocks 62/8, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5423 Total LACNIC prefixes after maximum aggregation: 362 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: 362 LACNIC Region origin ASes announcing only one prefix: 107 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 7.1 Max LACNIC Region AS path length visible: 18 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 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1124 Total AfriNIC prefixes after maximum aggregation: 94 Prefixes being announced from the AfriNIC address blocks: 1 Unique aggregates announced from the AfriNIC address blocks: 0 AfriNIC Region origin ASes present in the Internet Routing Table: 94 AfriNIC Region origin ASes announcing only one prefix: 28 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 7.0 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s Percentage of available AfriNIC address space announced: 0.0 AfriNIC AS Blocks AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1071 0 1 Telstra Pty Ltd 4134 614 0 1 Data Communications Bureau 2907 355 0 1 SINET Japan 4755 342 20 64 Videsh Sanchar Nigam Ltd. Aut 7474 341 0 2 Optus Communications Pty Ltd 9443 338 0 2 Primus Telecommunications 703 337 0 2 UUNET 17557 305 0 1 Pakistan Telecom 17676 288 1 3 XTAGE CORPORATION 2764 282 0 1 connect.com.au pty ltd 4766 264 0 1 Korea Internet Exchange for " 4538 249 0 1 China Education and Research 3786 235 0 1 DACOM Corporation 9583 231 0 1 Satyam Infoway Ltd., 9800 208 0 1 CHINA UNICOM 9942 202 0 4 COMindico Australia 9929 197 0 1 China Netcom Corp. 9498 173 0 1 BHARTI BT INTERNET LTD. 17642 154 0 2 RequestDSL BGP AS# for Sydney 17964 144 0 1 Beijing Dian-Xin-Tong Network ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1397 0 1 UUNET Technologies, Inc. 7018 1387 0 1 AT&T 1239 962 0 1 Sprint 209 858 0 1 Qwest 6197 798 0 1 BellSouth Network Solutions, 18566 732 0 1 Covad Communications 3356 711 0 1 Level 3 Communications, LLC 4323 680 0 1 Time Warner Communications, I 20115 582 0 1 Charter Communications 6198 561 0 1 BellSouth Network Solutions, 852 506 0 1 Telus Advanced Communications 7843 506 4 3 Adelphia Corp. 7132 450 0 1 Southwestern Bell Internet Se 19029 426 0 1 New Edge Networks 2386 402 0 1 AT&T Data Communications Serv 690 400 0 1 Merit Network 705 383 0 1 UUNET Technologies, Inc. 4355 383 0 1 EarthLink, Inc. 27364 354 0 1 Armstrong Cable Services 3549 328 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 681 0 1 UUNET - Commercial IP service 3301 300 0 1 TeliaNet Sweden 3320 284 0 1 Deutsche Telekom AG 8220 261 0 1 COLT Internet - International 1257 242 0 1 SWIPnet Swedish IP Network 680 231 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 3246 187 0 1 Song Networks 786 175 0 1 The JANET IP Service 5515 175 0 1 Sonera Solution Autonomous Sy 25186 173 0 1 France Telecom Transpac's Tra 8708 164 0 1 Romania Data Systems S.A. 5400 157 0 1 BT Ignite European Backbone 3215 144 0 1 France Telecom Transpac 3303 143 0 1 Swisscom Ltd 12302 126 0 1 MobiFon S.A. 3269 119 0 1 TELECOM ITALIA 2856 116 0 1 BTnet UK Regional network 719 114 0 1 LANLINK autonomous system 3352 102 0 1 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 346 0 1 ImpSat 8151 243 0 1 UniNet S.A. de C.V. 11172 192 0 1 Servicios Alestra S.A de C.V 7303 180 0 1 Telecom Argentina Stet-France 16814 156 0 1 NSS, S.A. 6505 135 0 1 Global One Communicaoes Ltda 6503 126 0 1 AVANTEL, S.A. 6147 124 0 1 Telefonica Del Peru 10620 123 0 1 TVCABLE BOGOTA 11992 85 0 1 Integrated Systems 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 8065 75 0 1 Empresas Publicas de Medellin 4270 71 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 7080 64 0 1 Electronica y Comunicaciones 14420 62 0 1 ANDINATEL S.A. 27699 60 0 1 TELECOMUNICACOES DE SAO PAULO 1916 59 0 1 Fundacao de Amparo a Pesquisa 7738 59 0 1 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 0 1 The Internet Solution 2018 94 0 1 Tertiary Education Network 5536 88 0 1 Internet Egypt Network 2905 60 0 1 The Internetworking Company o 2561 57 0 1 Egyptian Universities Network 11845 35 0 1 Data Pro Business Online 11569 31 0 1 satellite data networks 16284 31 0 1 GST-N Autonomous System 16637 26 0 1 Johnnic e-Ventures 9129 25 0 1 UUNET Kenya 5713 24 0 1 Telkom SA Ltd 12455 23 0 1 Jambonet Autonomous system 6713 22 0 1 Itissalat Al-MAGHRIB 10798 18 0 1 Standard Bank of South Africa 8524 17 0 1 AUCEGYPT Autonomous System 3208 15 0 1 ARN Network 12258 15 0 1 Vodacom Internet Company 15706 15 0 1 Sudatel Internet Exchange Aut 17148 14 0 1 First National Bank 8346 12 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1387 1386 AT&T 1221 1071 1070 Telstra Pty Ltd 1239 962 961 Sprint 209 858 857 Qwest 6197 798 797 BellSouth Network Solutions, 18566 732 731 Covad Communications 3356 711 710 Level 3 Communications, LLC 702 681 680 UUNET - Commercial IP service 4323 680 679 Time Warner Communications, I 4134 614 613 Data Communications Bureau 20115 582 581 Charter Communications 6198 561 560 BellSouth Network Solutions, 852 506 505 Telus Advanced Communications 7843 506 503 Adelphia Corp. 7132 450 449 Southwestern Bell Internet Se 19029 426 425 New Edge Networks 2386 402 401 AT&T Data Communications Serv 690 400 399 Merit Network 705 383 382 UUNET Technologies, Inc. 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 /16:4 /17:14 /18:27 /19:18 /20:10 /21:246 /22:34 /23:522 /24:127730 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 722 732 Covad Communications 1 38 223 GENUITY 4755 16 342 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 6316 10 43 StarNet, Inc. 6798 7 8 Net4You 12626 5 39 9TELECOM 7474 4 341 Optus Communications Pty Ltd 2647 3 80 SITA 2914 2 265 Verio, Inc. 17676 2 288 XTAGE CORPORATION 20722 2 2 All Service Ag Srl 24697 2 2 Saturn ISP AS 25415 2 4 AS-ADDIX Automomous System 29167 2 2 El-Net S.A. Regional Telecomm 3597 1 15 Asociacion Civil Ciencia Hoy 4628 1 52 Pacific Internet Pte Ltd 7381 1 14 Sungard Recovery Services, In 7786 1 11 Lockheed Martin IMS 7911 1 18 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:2 64:3 69:1 80:1 168:1 192:6 193:1 194:3 195:4 196:1 198:9 199:1 200:2 202:32 203:62078 206:2 207:3 209:11 212:2 216:20 217:2 219:9 End of report