Routing Table Report 04:00 +10GMT Sat 31 Jan, 2004 Analysis Summary ---------------- BGP routing table entries examined: 130118 Prefixes after maximum aggregation: 16592 Unique aggregates announced to Internet: 222 Total ASes present in the Internet Routing Table: 16470 Origin-only ASes present in the Internet Routing Table: 14304 Origin ASes announcing only one prefix: 6637 Transit ASes present in the Internet Routing Table: 2166 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: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 751873 Equivalent to 0 /8s, 11 /16s and 121 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 757 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24312 Total APNIC prefixes after maximum aggregation: 2101 Prefixes being announced from the APNIC address blocks: 129325 Unique aggregates announced from the APNIC address blocks: 168 APNIC Region origin ASes present in the Internet Routing Table: 1974 APNIC Region origin ASes announcing only one prefix: 604 APNIC Region transit ASes present in the Internet Routing Table: 317 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 606721 Equivalent to 0 /8s, 9 /16s and 66 /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: 75880 Total ARIN prefixes after maximum aggregation: 8889 Prefixes being announced from the ARIN address blocks: 742 Unique aggregates announced from the ARIN address blocks: 43 ARIN Region origin ASes present in the Internet Routing Table: 8841 ARIN Region origin ASes announcing only one prefix: 3135 ARIN Region transit ASes present in the Internet Routing Table: 856 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 17152 Equivalent to 0 /8s, 0 /16s and 67 /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 31744 - 32767 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 23449 Total RIPE prefixes after maximum aggregation: 5144 Prefixes being announced from the RIPE address blocks: 27 Unique aggregates announced from the RIPE address blocks: 11 RIPE Region origin ASes present in the Internet Routing Table: 5138 RIPE Region origin ASes announcing only one prefix: 2769 RIPE Region transit ASes present in the Internet Routing Table: 888 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 128000 Equivalent to 0 /8s, 1 /16s and 244 /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: 5317 Total LACNIC prefixes after maximum aggregation: 363 Prefixes being announced from the LACNIC address blocks: 0 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 363 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 7.1 Max LACNIC Region AS path length visible: 17 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: 1147 Total AfriNIC prefixes after maximum aggregation: 95 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: 92 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 6.9 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 1034 0 1 Telstra Pty Ltd 4134 659 32 4 Data Communications Bureau 4766 409 0 1 Korea Internet Exchange for " 2907 363 0 1 SINET Japan 9443 349 0 2 Primus Telecommunications 7474 346 0 2 Optus Communications Pty Ltd 703 343 0 2 UUNET 4755 341 15 65 Videsh Sanchar Nigam Ltd. Aut 17557 318 0 1 Pakistan Telecom 9583 307 0 1 Satyam Infoway Ltd., 17676 295 1 3 XTAGE CORPORATION 2764 292 0 1 connect.com.au pty ltd 9800 214 0 1 CHINA UNICOM 9942 204 0 5 COMindico Australia 9929 199 0 1 China Netcom Corp. 9498 182 0 1 BHARTI BT INTERNET LTD. 17642 152 0 2 RequestDSL BGP AS# for Sydney 17964 151 0 1 Beijing Dian-Xin-Tong Network 4739 150 0 5 Commerical Internet eXchange 7633 149 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1378 0 1 AT&T 701 1350 0 1 UUNET Technologies, Inc. 1239 953 0 1 Sprint 3356 780 0 1 Level 3 Communications, LLC 209 719 0 1 Qwest 18566 686 0 1 Covad Communications 4323 682 0 1 Time Warner Communications, I 6197 676 0 1 BellSouth Network Solutions, 20115 606 0 1 Charter Communications 6198 590 0 1 BellSouth Network Solutions, 7843 513 0 1 Adelphia Corp. 852 497 0 1 Telus Advanced Communications 7132 452 0 1 Southwestern Bell Internet Se 2386 418 0 1 AT&T Data Communications Serv 690 398 0 1 Merit Network 19029 392 0 1 New Edge Networks 4355 385 0 1 EarthLink, Inc. 27364 382 0 1 Armstrong Cable Services 22773 337 0 1 Cox Communications, Inc. Atla 22909 337 0 1 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 686 0 1 UUNET - Commercial IP service 3301 336 0 1 TeliaNet Sweden 3320 282 0 1 Deutsche Telekom AG 8220 262 0 1 COLT Internet - International 680 241 0 1 DFN-IP service G-WiN 1257 222 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 188 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 170 0 1 Romania Data Systems S.A. 5515 169 0 1 Sonera Solution Autonomous Sy 25186 168 0 1 France Telecom Transpac's Tra 3215 153 0 1 France Telecom Transpac 5400 140 0 1 BT Ignite European Backbone 3303 136 0 1 Swisscom Ltd 12302 125 0 1 MobiFon S.A. 3269 122 0 1 TELECOM ITALIA 2856 118 0 1 BTnet UK Regional network 719 115 0 1 LANLINK autonomous system 3352 103 0 1 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 358 0 1 ImpSat 8151 245 0 1 UniNet S.A. de C.V. 11172 201 0 1 Servicios Alestra S.A de C.V 16814 154 0 1 NSS, S.A. 6503 141 0 1 AVANTEL, S.A. 7303 137 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6147 124 0 1 Telefonica Del Peru 6535 77 0 1 Chilesat Servicios Empresari 15311 77 0 1 Telefonica Empresas 4270 71 0 1 Red de Interconexion Universi 11992 67 0 1 Integrated Systems 7080 66 0 1 Electronica y Comunicaciones 11311 66 0 1 Sinectis S.A. 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 10292 61 0 1 TELECOMMUNICATIONS OF JAMAICA 14420 60 0 1 ANDINATEL S.A. 1916 59 0 1 Fundacao de Amparo a Pesquisa 7738 59 0 1 Telecomunicacoes da Bahia S.A 4926 57 0 1 Telintar S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 249 0 1 The Internet Solution 5536 104 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 2561 50 0 1 Egyptian Universities Network 11845 36 0 1 Data Pro Business Online 3208 33 0 1 ARN Network 16637 26 0 1 Johnnic e-Ventures 9129 25 0 1 UUNET Kenya 5713 24 0 1 Telkom SA Ltd 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 12455 22 0 1 Jambonet Autonomous system 8524 18 0 1 AUCEGYPT Autonomous System 10798 18 0 1 Standard Bank of South Africa 15706 16 0 1 Sudatel Internet Exchange Aut 12258 15 0 1 Vodacom Internet Company 17148 14 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS 8346 12 0 1 SONATEL-AS Autonomous System Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1350 1349 UUNET Technologies, Inc. 1221 1034 1033 Telstra Pty Ltd 1239 953 952 Sprint 3356 780 779 Level 3 Communications, LLC 209 719 718 Qwest 702 686 685 UUNET - Commercial IP service 18566 686 685 Covad Communications 4323 682 681 Time Warner Communications, I 6197 676 675 BellSouth Network Solutions, 4134 659 655 Data Communications Bureau 20115 606 605 Charter Communications 6198 590 589 BellSouth Network Solutions, 7843 513 512 Adelphia Corp. 852 497 496 Telus Advanced Communications 7132 452 451 Southwestern Bell Internet Se 2386 418 417 AT&T Data Communications Serv 4766 409 408 Korea Internet Exchange for " 690 398 397 Merit Network 19029 392 391 New Edge Networks List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65412 PRIVATE 64.70.42.0/24 3561 Cable & Wireless USA 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 64512 PRIVATE 204.70.1.0/24 3561 Cable & Wireless USA 23861 UNALLOCATED 203.14.8.16/24 4766 Korea Internet Excha 23861 UNALLOCATED 203.14.8.16/24 4766 Korea Internet Excha 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 /17:10 /18:23 /19:12 /20:21 /21:240 /22:53 /23:440 /24:129312 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:3 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 665 686 Covad Communications 1 33 188 GENUITY 4755 14 341 Videsh Sanchar Nigam Ltd. Aut 3758 11 46 SingNet 2647 3 80 SITA 7474 3 346 Optus Communications Pty Ltd 16367 3 3 Salamon Internet 17430 3 63 Great Wall Broadband Network 2914 2 268 Verio, Inc. 4134 2 659 Data Communications Bureau 17676 2 295 XTAGE CORPORATION 4270 1 71 Red de Interconexion Universi 4628 1 52 Pacific Internet Pte Ltd 4812 1 75 China Telecom (Group) 6048 1 4 US DOD NIC Unregistered 6736 1 48 IRANET/IPM 7381 1 13 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 8440 1 1 SNC Autonomus System 8452 1 11 TEDATA Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 62:1 64:3 69:1 144:1 192:5 194:4 195:1 198:9 202:35 203:63673 204:1 206:2 207:3 209:9 210:1 216:16 219:8 End of report