Routing Table Report 04:00 +10GMT Sun 25 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135040 Prefixes after maximum aggregation: 17068 Unique aggregates announced to Internet: 196 Total ASes present in the Internet Routing Table: 16987 Origin-only ASes present in the Internet Routing Table: 14732 Origin ASes announcing only one prefix: 6830 Transit ASes present in the Internet Routing Table: 2255 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: 27 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: 499969 Equivalent to 0 /8s, 7 /16s and 161 /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: 759 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25965 Total APNIC prefixes after maximum aggregation: 2122 Prefixes being announced from the APNIC address blocks: 134223 Unique aggregates announced from the APNIC address blocks: 144 APNIC Region origin ASes present in the Internet Routing Table: 2019 APNIC Region origin ASes announcing only one prefix: 616 APNIC Region transit ASes present in the Internet Routing Table: 329 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 369153 Equivalent to 0 /8s, 5 /16s and 162 /24s Percentage of available APNIC address space announced: 0.2 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: 77331 Total ARIN prefixes after maximum aggregation: 9111 Prefixes being announced from the ARIN address blocks: 756 Unique aggregates announced from the ARIN address blocks: 44 ARIN Region origin ASes present in the Internet Routing Table: 9066 ARIN Region origin ASes announcing only one prefix: 3223 ARIN Region transit ASes present in the Internet Routing Table: 892 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 24320 Equivalent to 0 /8s, 0 /16s and 95 /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: 24842 Total RIPE prefixes after maximum aggregation: 5374 Prefixes being announced from the RIPE address blocks: 14 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 5369 RIPE Region origin ASes announcing only one prefix: 2866 RIPE Region transit ASes present in the Internet Routing Table: 925 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 106496 Equivalent to 0 /8s, 1 /16s and 160 /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: 5743 Total LACNIC prefixes after maximum aggregation: 371 Prefixes being announced from the LACNIC address blocks: 24 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 368 LACNIC Region origin ASes announcing only one prefix: 103 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: 1148 Total AfriNIC prefixes after maximum aggregation: 90 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: 90 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 7.0 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 994 0 1 Telstra Pty Ltd 4134 769 32 4 Data Communications Bureau 4766 462 0 1 Korea Internet Exchange for " 9583 438 0 1 Satyam Infoway Ltd., 9443 359 0 2 Primus Telecommunications 2907 353 0 1 SINET Japan 7474 350 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 339 0 1 China Netcom Corp. 703 335 0 2 UUNET 4755 335 8 61 Videsh Sanchar Nigam Ltd. Aut 17557 321 0 1 Pakistan Telecom 2764 297 0 1 connect.com.au pty ltd 9800 217 0 1 CHINA UNICOM 9498 206 0 2 BHARTI BT INTERNET LTD. 9942 198 0 5 COMindico Australia 9304 181 0 1 Hutchison Telecom (HK) 4837 180 0 1 chinanet IDC center beijing n 4804 175 0 1 Microplex PTY LTD 7633 159 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1407 0 1 AT&T 701 1291 0 1 UUNET Technologies, Inc. 1239 952 0 1 Sprint 3356 898 0 1 Level 3 Communications, LLC 209 760 0 1 Qwest 4323 720 0 1 Time Warner Communications, I 18566 699 0 1 Covad Communications 6197 691 0 1 BellSouth Network Solutions, 6198 561 0 1 BellSouth Network Solutions, 20115 539 0 1 Charter Communications 852 512 0 1 Telus Advanced Communications 7843 499 0 1 Adelphia Corp. 7132 450 0 1 Southwestern Bell Internet Se 2386 430 0 1 AT&T Data Communications Serv 27364 405 0 1 Armstrong Cable Services 22909 384 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 6347 381 0 1 SAVVIS Communications Corpora 5668 368 0 1 Century Telephone 22773 363 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 662 0 1 UUNET - Commercial IP service 3320 294 0 1 Deutsche Telekom AG 3301 268 0 1 TeliaNet Sweden 8220 267 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 233 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 5515 201 0 1 Sonera Solution Autonomous Sy 3246 199 0 1 Song Networks 25186 176 0 1 France Telecom Transpac's Tra 786 175 0 1 The JANET IP Service 8708 175 0 1 Romania Data Systems S.A. 3215 167 0 1 France Telecom Transpac 5400 156 0 1 BT Ignite European Backbone 6746 137 0 1 Dynamic Network Technologies, 3303 135 0 1 Swisscom Ltd 3269 134 0 1 TELECOM ITALIA 12302 122 0 1 MobiFon S.A. 1273 119 0 1 Cable & Wireless Deutschland 719 113 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 379 0 1 ImpSat 8151 264 0 1 UniNet S.A. de C.V. 11172 205 0 1 Servicios Alestra S.A de C.V 16814 163 0 1 NSS, S.A. 6147 149 0 1 Telefonica Del Peru 7303 140 0 1 Telecom Argentina Stet-France 6503 134 0 1 AVANTEL, S.A. 6505 133 0 1 Global One Communicaoes Ltda 11992 90 0 1 Integrated Systems 11556 88 0 1 Cable-Wireless Panama 6535 79 0 1 Chilesat Servicios Empresari 14420 76 0 1 ANDINATEL S.A. 15311 74 0 1 Telefonica Empresas 4270 70 0 1 Red de Interconexion Universi 11311 70 0 1 Sinectis S.A. 14535 70 0 1 Techtel S.A. 14259 69 0 1 GTD Internet S.A. 5639 65 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 10292 62 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 106 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 32 0 1 UUNET Kenya 24835 31 0 1 RAYA Telecom - Egypt 5713 26 0 1 Telkom SA Ltd 12455 25 0 1 Jambonet Autonomous system 14988 25 0 1 Botswana Telecommunications C 16637 25 0 1 Johnnic e-Ventures 6713 24 0 1 Itissalat Al-MAGHRIB 8524 23 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 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 1291 1290 UUNET Technologies, Inc. 1221 994 993 Telstra Pty Ltd 1239 952 951 Sprint 3356 898 897 Level 3 Communications, LLC 4134 769 765 Data Communications Bureau 209 760 759 Qwest 4323 720 719 Time Warner Communications, I 18566 699 698 Covad Communications 6197 691 690 BellSouth Network Solutions, 702 662 661 UUNET - Commercial IP service 6198 561 560 BellSouth Network Solutions, 20115 539 538 Charter Communications 852 512 511 Telus Advanced Communications 7843 499 498 Adelphia Corp. 4766 462 461 Korea Internet Exchange for " 7132 450 449 Southwestern Bell Internet Se 9583 438 437 Satyam Infoway Ltd., 2386 430 429 AT&T Data Communications Serv 27364 405 404 Armstrong Cable Services List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 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 /16:6 /17:3 /18:21 /19:7 /20:27 /21:257 /22:52 /23:447 /24:134217 /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 679 699 Covad Communications 1 30 104 GENUITY 3758 11 47 SingNet 21576 4 7 Telentente, Inc. 2647 3 79 SITA 2828 3 121 XO Communications 7474 3 350 Optus Communications Pty Ltd 11804 3 4 Third-Rail Wireless Services 2914 2 274 Verio, Inc. 4134 2 769 Data Communications Bureau 4816 2 2 China Telecom (Group) 15458 2 2 TriLogiC Group, Ltd. 17676 2 341 XTAGE CORPORATION 688 1 9 Department of Interior 4755 1 335 Videsh Sanchar Nigam Ltd. Aut 7381 1 14 Sungard Recovery Services, In 7590 1 25 Commission on Science and Tec 7911 1 19 Williams Communications Group 9506 1 27 Magix Broadband Network 9809 1 7 New Era Foundation System Co. Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 63:1 64:2 65:4 69:1 137:1 192:3 195:1 198:2 202:32 203:3060 207:3 208:3 209:9 210:1 211:1 216:16 218:1 219:1 End of report