Routing Table Report 04:00 +10GMT Tue 16 Dec, 2003 Analysis Summary ---------------- BGP routing table entries examined: 129024 Prefixes after maximum aggregation: 16382 Unique aggregates announced to Internet: 233 Total ASes present in the Internet Routing Table: 16253 Origin-only ASes present in the Internet Routing Table: 14107 Origin ASes announcing only one prefix: 6487 Transit ASes present in the Internet Routing Table: 2146 Transit-only ASes present in the Internet Routing Table: 63 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 27 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: 714497 Equivalent to 0 /8s, 10 /16s and 231 /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: 827 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 23903 Total APNIC prefixes after maximum aggregation: 2068 Prefixes being announced from the APNIC address blocks: 128148 Unique aggregates announced from the APNIC address blocks: 159 APNIC Region origin ASes present in the Internet Routing Table: 1947 APNIC Region origin ASes announcing only one prefix: 594 APNIC Region transit ASes present in the Internet Routing Table: 316 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 551169 Equivalent to 0 /8s, 8 /16s and 105 /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: 75576 Total ARIN prefixes after maximum aggregation: 8822 Prefixes being announced from the ARIN address blocks: 825 Unique aggregates announced from the ARIN address blocks: 66 ARIN Region origin ASes present in the Internet Routing Table: 8755 ARIN Region origin ASes announcing only one prefix: 3065 ARIN Region transit ASes present in the Internet Routing Table: 852 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 52736 Equivalent to 0 /8s, 0 /16s and 206 /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: 23021 Total RIPE prefixes after maximum aggregation: 5038 Prefixes being announced from the RIPE address blocks: 17 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 5033 RIPE Region origin ASes announcing only one prefix: 2693 RIPE Region transit ASes present in the Internet Routing Table: 870 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 110592 Equivalent to 0 /8s, 1 /16s and 176 /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: 5404 Total LACNIC prefixes after maximum aggregation: 361 Prefixes being announced from the LACNIC address blocks: 8 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 361 LACNIC Region origin ASes announcing only one prefix: 107 LACNIC Region transit ASes present in the Internet Routing Table: 71 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: 1109 Total AfriNIC prefixes after maximum aggregation: 93 Prefixes being announced from the AfriNIC address blocks: 0 Unique aggregates announced from the AfriNIC address blocks: 0 AfriNIC Region origin ASes present in the Internet Routing Table: 93 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 1074 0 1 Telstra Pty Ltd 4134 649 0 1 Data Communications Bureau 2907 355 0 1 SINET Japan 4755 341 20 63 Videsh Sanchar Nigam Ltd. Aut 7474 341 0 2 Optus Communications Pty Ltd 703 339 0 2 UUNET 9443 339 0 2 Primus Telecommunications 17557 311 0 1 Pakistan Telecom 17676 289 1 3 XTAGE CORPORATION 4766 265 0 1 Korea Internet Exchange for " 2764 260 0 1 connect.com.au pty ltd 9583 250 0 1 Satyam Infoway Ltd., 4538 249 0 1 China Education and Research 3786 233 0 1 DACOM Corporation 9800 209 0 1 CHINA UNICOM 9942 202 0 4 COMindico Australia 9929 200 0 1 China Netcom Corp. 9498 159 0 1 BHARTI BT INTERNET LTD. 17642 153 0 2 RequestDSL BGP AS# for Sydney 4837 148 0 1 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1399 0 1 UUNET Technologies, Inc. 7018 1392 0 1 AT&T 1239 955 0 1 Sprint 209 859 0 1 Qwest 6197 794 0 1 BellSouth Network Solutions, 18566 732 0 1 Covad Communications 3356 714 0 1 Level 3 Communications, LLC 4323 681 0 1 Time Warner Communications, I 20115 580 0 1 Charter Communications 6198 561 0 1 BellSouth Network Solutions, 852 507 0 1 Telus Advanced Communications 7843 506 4 3 Adelphia Corp. 7132 451 0 1 Southwestern Bell Internet Se 19029 419 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 329 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 299 0 1 TeliaNet Sweden 3320 283 0 1 Deutsche Telekom AG 8220 265 0 1 COLT Internet - International 1257 252 0 1 SWIPnet Swedish IP Network 680 230 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 3246 188 0 1 Song Networks 786 175 0 1 The JANET IP Service 5515 173 0 1 Sonera Solution Autonomous Sy 25186 172 0 1 France Telecom Transpac's Tra 8708 164 0 1 Romania Data Systems S.A. 5400 154 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 177 0 1 Telecom Argentina Stet-France 16814 156 0 1 NSS, S.A. 6505 135 0 1 Global One Communicaoes Ltda 6503 132 0 1 AVANTEL, S.A. 6147 124 0 1 Telefonica Del Peru 10620 123 0 1 TVCABLE BOGOTA 8065 76 0 1 Empresas Publicas de Medellin 15311 76 0 1 Telefonica Empresas 6535 75 0 1 Chilesat Servicios Empresari 4270 71 0 1 Red de Interconexion Universi 11992 71 0 1 Integrated Systems 11311 66 0 1 Sinectis S.A. 7080 64 0 1 Electronica y Comunicaciones 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 14420 61 0 1 ANDINATEL S.A. 1916 59 0 1 Fundacao de Amparo a Pesquisa 5639 58 0 1 Telecommunications Services o 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 89 0 1 Internet Egypt Network 2905 61 0 1 The Internetworking Company o 2561 56 0 1 Egyptian Universities Network 11845 35 0 1 Data Pro Business Online 11569 30 0 1 satellite data networks 9129 26 0 1 UUNET Kenya 16637 26 0 1 Johnnic e-Ventures 5713 24 0 1 Telkom SA Ltd 12455 23 0 1 Jambonet Autonomous system 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 10798 18 0 1 Standard Bank of South Africa 8524 17 0 1 AUCEGYPT Autonomous System 12258 15 0 1 Vodacom Internet Company 15706 15 0 1 Sudatel Internet Exchange Aut 17148 14 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS 3208 12 0 1 ARN Network Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 7018 1392 1391 AT&T 1221 1074 1073 Telstra Pty Ltd 1239 955 954 Sprint 209 859 858 Qwest 6197 794 793 BellSouth Network Solutions, 18566 732 731 Covad Communications 3356 714 713 Level 3 Communications, LLC 702 681 680 UUNET - Commercial IP service 4323 681 680 Time Warner Communications, I 4134 649 648 Data Communications Bureau 20115 580 579 Charter Communications 6198 561 560 BellSouth Network Solutions, 852 507 506 Telus Advanced Communications 7843 506 503 Adelphia Corp. 7132 451 450 Southwestern Bell Internet Se 19029 419 418 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 /16:5 /17:13 /18:26 /19:16 /20:12 /21:245 /22:33 /23:516 /24:128154 /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 38 225 GENUITY 4755 15 341 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 6316 10 43 StarNet, Inc. 11859 5 55 AIR2LAN, Inc. 7474 4 341 Optus Communications Pty Ltd 2647 3 79 SITA 2914 2 268 Verio, Inc. 17676 2 289 XTAGE CORPORATION 29753 2 2 BROWNSVILLETXISD 4628 1 52 Pacific Internet Pte Ltd 7381 1 12 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 7991 1 4 Savvis Communications 8881 1 14 KomTel routing policies 9506 1 26 Magix Broadband Network 10302 1 9 NorthEast Georgia Internet Ac 15540 1 5 gedas Autonomous System 16106 1 4 AS for IBERIAPAC Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:2 64:3 65:1 66:1 69:1 148:1 192:5 194:1 195:1 198:9 200:8 202:35 203:62498 204:1 206:3 207:4 208:1 209:10 216:25 219:8 End of report