Routing Table Report 04:00 +10GMT Mon 12 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 134600 Prefixes after maximum aggregation: 17065 Unique aggregates announced to Internet: 301 Total ASes present in the Internet Routing Table: 16928 Origin-only ASes present in the Internet Routing Table: 14682 Origin ASes announcing only one prefix: 6808 Transit ASes present in the Internet Routing Table: 2246 Transit-only ASes present in the Internet Routing Table: 74 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: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 781569 Equivalent to 0 /8s, 11 /16s and 237 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 60.0 Total number of prefixes smaller than registry allocations: 795 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25723 Total APNIC prefixes after maximum aggregation: 2181 Prefixes being announced from the APNIC address blocks: 133792 Unique aggregates announced from the APNIC address blocks: 250 APNIC Region origin ASes present in the Internet Routing Table: 2021 APNIC Region origin ASes announcing only one prefix: 615 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: 19 Number of APNIC addresses announced to Internet: 657409 Equivalent to 0 /8s, 10 /16s and 8 /24s Percentage of available APNIC address space announced: 0.4 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: 77415 Total ARIN prefixes after maximum aggregation: 9086 Prefixes being announced from the ARIN address blocks: 758 Unique aggregates announced from the ARIN address blocks: 45 ARIN Region origin ASes present in the Internet Routing Table: 9039 ARIN Region origin ASes announcing only one prefix: 3208 ARIN Region transit ASes present in the Internet Routing Table: 890 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 25856 Equivalent to 0 /8s, 0 /16s and 101 /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: 24603 Total RIPE prefixes after maximum aggregation: 5342 Prefixes being announced from the RIPE address blocks: 12 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 5337 RIPE Region origin ASes announcing only one prefix: 2863 RIPE Region transit ASes present in the Internet Routing Table: 929 Average RIPE Region AS path length visible: 7.1 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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5719 Total LACNIC prefixes after maximum aggregation: 364 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: 364 LACNIC Region origin ASes announcing only one prefix: 98 LACNIC Region transit ASes present in the Internet Routing Table: 72 Average LACNIC Region AS path length visible: 7.3 Max LACNIC Region AS path length visible: 21 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: 1129 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: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 6.8 Max AfriNIC Region AS path length visible: 18 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 1002 0 1 Telstra Pty Ltd 4134 711 32 4 Data Communications Bureau 4766 454 0 1 Korea Internet Exchange for " 9583 435 0 1 Satyam Infoway Ltd., 4755 360 22 95 Videsh Sanchar Nigam Ltd. Aut 9443 359 0 2 Primus Telecommunications 2907 358 0 1 SINET Japan 7474 351 0 2 Optus Communications Pty Ltd 703 341 0 2 UUNET 9929 325 0 1 China Netcom Corp. 17557 317 0 1 Pakistan Telecom 17676 308 1 3 XTAGE CORPORATION 2764 297 0 1 connect.com.au pty ltd 9800 217 0 1 CHINA UNICOM 9942 200 0 5 COMindico Australia 9498 194 0 2 BHARTI BT INTERNET LTD. 9304 180 0 1 Hutchison Telecom (HK) 4804 176 0 1 Microplex PTY LTD 4837 172 0 1 chinanet IDC center beijing n 7633 159 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1412 0 1 AT&T 701 1298 0 1 UUNET Technologies, Inc. 1239 951 0 1 Sprint 3356 889 0 1 Level 3 Communications, LLC 209 757 0 1 Qwest 4323 716 0 1 Time Warner Communications, I 18566 697 0 1 Covad Communications 6197 687 0 1 BellSouth Network Solutions, 20115 593 0 1 Charter Communications 6198 555 0 1 BellSouth Network Solutions, 7843 532 0 1 Adelphia Corp. 852 511 0 1 Telus Advanced Communications 7132 461 0 1 Southwestern Bell Internet Se 2386 432 0 1 AT&T Data Communications Serv 27364 404 0 1 Armstrong Cable Services 4355 384 0 1 EarthLink, Inc. 22909 383 0 1 Comcast Cable Corporation 690 380 0 1 Merit Network 6347 371 0 1 SAVVIS Communications Corpora 19029 371 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 666 0 1 UUNET - Commercial IP service 3320 291 0 1 Deutsche Telekom AG 3301 271 0 1 TeliaNet Sweden 8220 265 0 1 COLT Internet - International 680 245 0 1 DFN-IP service G-WiN 1257 233 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 196 0 1 Song Networks 5515 193 0 1 Sonera Solution Autonomous Sy 786 175 0 1 The JANET IP Service 8708 173 0 1 Romania Data Systems S.A. 3215 166 0 1 France Telecom Transpac 25186 162 0 1 France Telecom Transpac's Tra 5400 155 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 135 0 1 Dynamic Network Technologies, 3269 134 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 1273 120 0 1 Cable & Wireless Deutschland 2856 117 0 1 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 379 0 1 ImpSat 8151 268 0 1 UniNet S.A. de C.V. 11172 204 0 1 Servicios Alestra S.A de C.V 16814 162 0 1 NSS, S.A. 7303 141 0 1 Telecom Argentina Stet-France 6503 137 0 1 AVANTEL, S.A. 6147 132 0 1 Telefonica Del Peru 6505 129 0 1 Global One Communicaoes Ltda 11992 88 0 1 Integrated Systems 11556 87 0 1 Cable-Wireless Panama 6535 79 0 1 Chilesat Servicios Empresari 15311 75 0 1 Telefonica Empresas 14420 74 0 1 ANDINATEL S.A. 4270 70 0 1 Red de Interconexion Universi 11311 69 0 1 Sinectis S.A. 14259 69 0 1 GTD Internet S.A. 14535 69 0 1 Techtel S.A. 5639 65 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 10292 63 0 1 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 0 1 The Internet Solution 5536 105 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 89 0 1 The Internetworking Company o 11845 36 0 1 Data Pro Business Online 9129 33 0 1 UUNET Kenya 16637 25 0 1 Johnnic e-Ventures 5713 24 0 1 Telkom SA Ltd 12455 24 0 1 Jambonet Autonomous system 8524 23 0 1 AUCEGYPT Autonomous System 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 14988 22 0 1 Botswana Telecommunications C 10798 18 0 1 Standard Bank of South Africa 15706 16 0 1 Sudatel Internet Exchange Aut 12258 15 0 1 Vodacom Internet Company 15808 14 0 1 Communication Solutions Ltd i 8346 13 0 1 SONATEL-AS Autonomous System 17148 13 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1298 1297 UUNET Technologies, Inc. 1221 1002 1001 Telstra Pty Ltd 1239 951 950 Sprint 3356 889 888 Level 3 Communications, LLC 209 757 756 Qwest 4323 716 715 Time Warner Communications, I 4134 711 707 Data Communications Bureau 18566 697 696 Covad Communications 6197 687 686 BellSouth Network Solutions, 702 666 665 UUNET - Commercial IP service 20115 593 592 Charter Communications 6198 555 554 BellSouth Network Solutions, 7843 532 531 Adelphia Corp. 852 511 510 Telus Advanced Communications 7132 461 460 Southwestern Bell Internet Se 4766 454 453 Korea Internet Exchange for " 9583 435 434 Satyam Infoway Ltd., 2386 432 431 AT&T Data Communications Serv 27364 404 403 Armstrong Cable Services List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 29975 UNALLOCATED 203.14.8.16/24 3741 The Internet Solutio 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 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 /16:10 /17:8 /18:25 /19:13 /20:23 /21:235 /22:61 /23:454 /24:133768 /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 677 697 Covad Communications 1 30 107 GENUITY 4755 20 360 Videsh Sanchar Nigam Ltd. Aut 1659 19 103 Tiawan Academic Network (TANe 3758 11 48 SingNet 29958 6 16 Kobalt Network, LLC 21576 4 7 Telentente, Inc. 2647 3 79 SITA 2828 3 121 XO Communications 7474 3 351 Optus Communications Pty Ltd 2914 2 272 Verio, Inc. 4134 2 711 Data Communications Bureau 4816 2 2 China Telecom (Group) 9809 2 12 New Era Foundation System Co. 17676 2 308 XTAGE CORPORATION 4628 1 51 Pacific Internet Pte Ltd 7381 1 13 Sungard Recovery Services, In 7911 1 19 Williams Communications Group 9506 1 26 Magix Broadband Network 11300 1 30 Lyman Brothers Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 64:3 65:4 66:1 69:1 192:9 193:1 198:1 202:45 203:2569 205:1 207:3 208:1 209:9 210:17 216:15 218:1 219:12 End of report