Routing Table Report 04:00 +10GMT Sat 05 Jun, 2004 Analysis Summary ---------------- BGP routing table entries examined: 137371 Prefixes after maximum aggregation: 17366 Unique aggregates announced to Internet: 232 Total ASes present in the Internet Routing Table: 17261 Origin-only ASes present in the Internet Routing Table: 14964 Origin ASes announcing only one prefix: 6965 Transit ASes present in the Internet Routing Table: 2297 Transit-only ASes present in the Internet Routing Table: 75 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: 41 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 744193 Equivalent to 0 /8s, 11 /16s and 91 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 108 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26375 Total APNIC prefixes after maximum aggregation: 2162 Prefixes being announced from the APNIC address blocks: 137235 Unique aggregates announced from the APNIC address blocks: 176 APNIC Region origin ASes present in the Internet Routing Table: 2042 APNIC Region origin ASes announcing only one prefix: 620 APNIC Region transit ASes present in the Internet Routing Table: 334 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 585473 Equivalent to 0 /8s, 8 /16s and 239 /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 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 78361 Total ARIN prefixes after maximum aggregation: 9219 Prefixes being announced from the ARIN address blocks: 73 Unique aggregates announced from the ARIN address blocks: 39 ARIN Region origin ASes present in the Internet Routing Table: 9175 ARIN Region origin ASes announcing only one prefix: 3256 ARIN Region transit ASes present in the Internet Routing Table: 900 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 15104 Equivalent to 0 /8s, 0 /16s and 59 /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 - 33791 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: 25414 Total RIPE prefixes after maximum aggregation: 5517 Prefixes being announced from the RIPE address blocks: 40 Unique aggregates announced from the RIPE address blocks: 17 RIPE Region origin ASes present in the Internet Routing Table: 5507 RIPE Region origin ASes announcing only one prefix: 2962 RIPE Region transit ASes present in the Internet Routing Table: 948 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 143616 Equivalent to 0 /8s, 2 /16s and 49 /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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 6039 Total LACNIC prefixes after maximum aggregation: 375 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: 375 LACNIC Region origin ASes announcing only one prefix: 105 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 7.2 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: 1136 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: 91 AfriNIC Region origin ASes announcing only one prefix: 22 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: 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 988 0 1 Telstra Pty Ltd 4134 749 32 4 Data Communications Bureau 4766 476 0 1 Korea Internet Exchange for " 9583 464 0 1 Satyam Infoway Ltd., 4755 367 16 61 Videsh Sanchar Nigam Ltd. Aut 9443 358 0 2 Primus Telecommunications 2907 353 0 1 SINET Japan 7474 350 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 703 328 0 2 UUNET 17557 328 0 1 Pakistan Telecom 9929 316 0 1 China Netcom Corp. 2764 298 0 1 connect.com.au pty ltd 9800 224 0 1 CHINA UNICOM 9498 219 0 2 BHARTI BT INTERNET LTD. 9942 204 2 6 COMindico Australia 17974 183 0 1 PT TELEKOMUNIKASI INDONESIA 4837 182 0 1 chinanet IDC center beijing n 9304 182 0 1 Hutchison Telecom (HK) 10036 180 0 1 C&M Communication Co. Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1418 0 1 AT&T 701 1296 0 1 UUNET Technologies, Inc. 1239 946 0 1 Sprint 6347 940 0 1 SAVVIS Communications Corpora 3356 888 0 1 Level 3 Communications, LLC 209 736 0 1 Qwest 4323 732 0 1 Time Warner Communications, I 6197 709 0 1 BellSouth Network Solutions, 18566 708 0 1 Covad Communications 6198 566 0 1 BellSouth Network Solutions, 20115 554 0 1 Charter Communications 852 510 0 1 Telus Advanced Communications 7843 506 0 1 Adelphia Corp. 7132 449 0 1 Southwestern Bell Internet Se 2386 430 0 1 AT&T Data Communications Serv 705 395 0 1 UUNET Technologies, Inc. 22909 390 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 5668 380 0 1 Century Telephone 22773 378 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 644 0 1 UUNET - Commercial IP service 3320 295 0 1 Deutsche Telekom AG 3301 274 0 1 TeliaNet Sweden 8220 274 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 244 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 210 0 1 Song Networks 5515 198 0 1 Sonera Solution Autonomous Sy 3215 176 0 1 France Telecom Transpac 8708 176 0 1 Romania Data Systems S.A. 25186 174 0 1 France Telecom Transpac's Tra 786 173 0 1 The JANET IP Service 6746 156 0 1 Dynamic Network Technologies, 5400 142 0 1 BT Ignite European Backbone 3269 134 0 1 TELECOM ITALIA 3303 132 0 1 Swisscom Ltd 12302 123 0 1 MobiFon S.A. 1273 122 0 1 Cable & Wireless Deutschland 8866 118 0 1 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 389 0 1 ImpSat 11172 351 0 1 Servicios Alestra S.A de C.V 8151 275 0 1 UniNet S.A. de C.V. 16814 203 0 1 NSS, S.A. 6147 160 0 1 Telefonica Del Peru 7303 143 0 1 Telecom Argentina Stet-France 6505 135 0 1 Global One Communicaoes Ltda 6503 126 0 1 AVANTEL, S.A. 11992 101 0 1 Integrated Systems 11556 87 0 1 Cable-Wireless Panama 6535 79 0 1 Chilesat Servicios Empresari 14420 76 0 1 ANDINATEL S.A. 14535 75 0 1 Techtel S.A. 15311 75 0 1 Telefonica Empresas 11311 73 0 1 Sinectis S.A. 5639 72 0 1 Telecommunications Services o 4270 71 0 1 Red de Interconexion Universi 14259 67 0 1 GTD Internet S.A. 10292 66 0 1 TELECOMMUNICATIONS OF JAMAICA 7080 64 0 1 Electronica y Comunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 252 0 1 The Internet Solution 5536 108 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 88 0 1 The Internetworking Company o 11845 37 0 1 Data Pro Business Online 24835 30 0 1 RAYA Telecom - Egypt 5713 26 0 1 Telkom SA Ltd 9129 26 0 1 UUNET Kenya 16637 25 0 1 Johnnic e-Ventures 6713 24 0 1 Itissalat Al-MAGHRIB 8524 24 0 1 AUCEGYPT Autonomous System 12455 24 0 1 Jambonet Autonomous system 14988 24 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 8346 13 0 1 SONATEL-AS Autonomous System 17148 13 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS 15808 12 0 1 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1296 1295 UUNET Technologies, Inc. 1221 988 987 Telstra Pty Ltd 1239 946 945 Sprint 6347 940 939 SAVVIS Communications Corpora 3356 888 887 Level 3 Communications, LLC 4134 749 745 Data Communications Bureau 209 736 735 Qwest 4323 732 731 Time Warner Communications, I 6197 709 708 BellSouth Network Solutions, 18566 708 707 Covad Communications 702 644 643 UUNET - Commercial IP service 6198 566 565 BellSouth Network Solutions, 20115 554 553 Charter Communications 852 510 509 Telus Advanced Communications 7843 506 505 Adelphia Corp. 4766 476 475 Korea Internet Exchange for " 9583 464 463 Satyam Infoway Ltd., 7132 449 448 Southwestern Bell Internet Se 2386 430 429 AT&T Data Communications Serv List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 203.14.8.16/24 10199 DishnetDSL Limited 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 64601 PRIVATE 203.14.8.16/24 9394 CHINA RAILWAY Intern 65501 PRIVATE 203.14.8.16/24 14051 Roseville Telephone 65501 PRIVATE 203.14.8.16/24 14051 Roseville Telephone 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 65502 PRIVATE 203.14.8.16/24 7714 TelstraClear 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 65000 PRIVATE 203.14.8.16/24 10310 Yahoo! 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 /17:9 /18:26 /19:16 /20:28 /21:13 /22:29 /23:16 /24:137223 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1 29 103 GENUITY 4755 13 367 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 7474 5 350 Optus Communications Pty Ltd 15958 5 6 MOBTEL-NET 15982 4 7 Autonomous System Verat D.O.O 21576 4 7 Telentente, Inc. 2647 3 84 SITA 2828 3 122 XO Communications 6127 3 6 Information and Decision Supp 2914 2 275 Verio, Inc. 4134 2 749 Data Communications Bureau 4816 2 2 China Telecom (Group) 15642 2 2 GES-NET 17676 2 341 XTAGE CORPORATION 701 1 1296 UUNET Technologies, Inc. 5668 1 380 Century Telephone 7381 1 16 Sungard Recovery Services, In 7764 1 3 Bureau of the Census 7911 1 17 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 64:1 65:5 66:2 69:1 80:1 192:3 194:3 195:1 198:1 202:39 203:6048 207:4 209:9 216:14 217:3 218:2 219:11 End of report