Routing Table Report 04:00 +10GMT Sun 18 Jan, 2004 Analysis Summary ---------------- BGP routing table entries examined: 129788 Prefixes after maximum aggregation: 16505 Unique aggregates announced to Internet: 220 Total ASes present in the Internet Routing Table: 16388 Origin-only ASes present in the Internet Routing Table: 14213 Origin ASes announcing only one prefix: 6577 Transit ASes present in the Internet Routing Table: 2175 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: 32 Illegal AS announcements present in the Routing Table: 10 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 737281 Equivalent to 0 /8s, 11 /16s and 64 /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: 759 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 24416 Total APNIC prefixes after maximum aggregation: 2086 Prefixes being announced from the APNIC address blocks: 129002 Unique aggregates announced from the APNIC address blocks: 166 APNIC Region origin ASes present in the Internet Routing Table: 1961 APNIC Region origin ASes announcing only one prefix: 596 APNIC Region transit ASes present in the Internet Routing Table: 325 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 622081 Equivalent to 0 /8s, 9 /16s and 126 /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: 75656 Total ARIN prefixes after maximum aggregation: 8856 Prefixes being announced from the ARIN address blocks: 743 Unique aggregates announced from the ARIN address blocks: 48 ARIN Region origin ASes present in the Internet Routing Table: 8805 ARIN Region origin ASes announcing only one prefix: 3108 ARIN Region transit ASes present in the Internet Routing Table: 853 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 16896 Equivalent to 0 /8s, 0 /16s and 66 /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: 23270 Total RIPE prefixes after maximum aggregation: 5111 Prefixes being announced from the RIPE address blocks: 16 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 5105 RIPE Region origin ASes announcing only one prefix: 2744 RIPE Region transit ASes present in the Internet Routing Table: 879 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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 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: 5275 Total LACNIC prefixes after maximum aggregation: 360 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: 360 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 74 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: 1153 Total AfriNIC prefixes after maximum aggregation: 92 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: 12 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 1039 0 1 Telstra Pty Ltd 4134 684 32 4 Data Communications Bureau 4766 402 0 1 Korea Internet Exchange for " 2907 365 0 1 SINET Japan 9443 348 0 2 Primus Telecommunications 7474 345 0 2 Optus Communications Pty Ltd 4755 342 20 65 Videsh Sanchar Nigam Ltd. Aut 703 338 0 2 UUNET 17557 314 0 1 Pakistan Telecom 9583 295 0 1 Satyam Infoway Ltd., 17676 293 1 3 XTAGE CORPORATION 2764 292 0 1 connect.com.au pty ltd 4538 249 0 1 China Education and Research 9800 214 0 1 CHINA UNICOM 9942 202 0 5 COMindico Australia 9929 199 0 1 China Netcom Corp. 9498 184 0 1 BHARTI BT INTERNET LTD. 17642 153 0 2 RequestDSL BGP AS# for Sydney 17964 153 0 1 Beijing Dian-Xin-Tong Network 7633 148 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1382 0 1 UUNET Technologies, Inc. 7018 1365 0 1 AT&T 1239 952 0 1 Sprint 6197 771 0 1 BellSouth Network Solutions, 3356 763 0 1 Level 3 Communications, LLC 209 724 0 1 Qwest 18566 681 0 1 Covad Communications 4323 675 0 1 Time Warner Communications, I 20115 598 0 1 Charter Communications 6198 546 0 1 BellSouth Network Solutions, 7843 510 0 1 Adelphia Corp. 852 504 0 1 Telus Advanced Communications 7132 453 0 1 Southwestern Bell Internet Se 2386 419 0 1 AT&T Data Communications Serv 19029 400 0 1 New Edge Networks 690 398 0 1 Merit Network 4355 381 0 1 EarthLink, Inc. 27364 379 0 1 Armstrong Cable Services 705 354 0 1 UUNET Technologies, Inc. 3549 336 0 1 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 687 0 1 UUNET - Commercial IP service 3301 335 0 1 TeliaNet Sweden 3320 280 0 1 Deutsche Telekom AG 8220 267 0 1 COLT Internet - International 1257 243 0 1 SWIPnet Swedish IP Network 680 241 0 1 DFN-IP service G-WiN 13083 215 0 1 Mannesmann Datenverarbeitung 3246 190 0 1 Song Networks 786 175 0 1 The JANET IP Service 5515 172 0 1 Sonera Solution Autonomous Sy 25186 166 0 1 France Telecom Transpac's Tra 8708 165 0 1 Romania Data Systems S.A. 3215 150 0 1 France Telecom Transpac 3303 138 0 1 Swisscom Ltd 5400 135 0 1 BT Ignite European Backbone 12302 131 0 1 MobiFon S.A. 3269 120 0 1 TELECOM ITALIA 2856 119 0 1 BTnet UK Regional network 719 114 0 1 LANLINK autonomous system 6746 106 0 1 Dynamic Network Technologies, LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 352 0 1 ImpSat 8151 240 0 1 UniNet S.A. de C.V. 11172 195 0 1 Servicios Alestra S.A de C.V 16814 155 0 1 NSS, S.A. 7303 142 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6503 128 0 1 AVANTEL, S.A. 6147 124 0 1 Telefonica Del Peru 15311 78 0 1 Telefonica Empresas 6535 77 0 1 Chilesat Servicios Empresari 4270 70 0 1 Red de Interconexion Universi 11311 68 0 1 Sinectis S.A. 7080 66 0 1 Electronica y Comunicaciones 11992 63 0 1 Integrated Systems 14420 62 0 1 ANDINATEL S.A. 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 10292 60 0 1 TELECOMMUNICATIONS OF JAMAICA 1916 59 0 1 Fundacao de Amparo a Pesquisa 7738 59 0 1 Telecomunicacoes da Bahia S.A 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 5536 103 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 2561 58 0 1 Egyptian Universities Network 11845 36 0 1 Data Pro Business Online 3208 33 0 1 ARN Network 9129 26 0 1 UUNET Kenya 16637 26 0 1 Johnnic e-Ventures 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 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 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 1365 1364 AT&T 1221 1039 1038 Telstra Pty Ltd 1239 952 951 Sprint 6197 771 770 BellSouth Network Solutions, 3356 763 762 Level 3 Communications, LLC 209 724 723 Qwest 702 687 686 UUNET - Commercial IP service 4134 684 680 Data Communications Bureau 18566 681 680 Covad Communications 4323 675 674 Time Warner Communications, I 20115 598 597 Charter Communications 6198 546 545 BellSouth Network Solutions, 7843 510 509 Adelphia Corp. 852 504 503 Telus Advanced Communications 7132 453 452 Southwestern Bell Internet Se 2386 419 418 AT&T Data Communications Serv 4766 402 401 Korea Internet Exchange for " 19029 400 399 New Edge Networks 690 398 397 Merit Network List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 65531 PRIVATE 203.14.8.16/24 23682 Broadband Pacenet In 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 65001 PRIVATE 203.14.8.16/24 6774 BELGACOM 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 /17:8 /18:23 /19:11 /20:19 /21:237 /22:54 /23:439 /24:128989 /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 661 681 Covad Communications 1 39 214 GENUITY 4755 15 342 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 4134 4 684 Data Communications Bureau 7474 4 345 Optus Communications Pty Ltd 2647 3 80 SITA 15871 3 3 BGNET Ltd. - Internet Service 17430 3 62 Great Wall Broadband Network 2914 2 270 Verio, Inc. 14130 2 6 SouthNet Inc. 17676 2 293 XTAGE CORPORATION 4628 1 52 Pacific Internet Pte Ltd 4812 1 92 China Telecom (Group) 7381 1 13 Sungard Recovery Services, In 7911 1 20 Williams Communications Group 7991 1 4 Savvis Communications 8881 1 14 KomTel routing policies 9506 1 26 Magix Broadband Network 23059 1 6 Limelight Networks Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:3 63:1 64:2 69:1 148:1 192:8 195:1 198:9 202:33 203:63348 204:1 206:2 207:3 209:10 210:1 216:20 219:8 End of report