Routing Table Report 04:00 +10GMT Sun 30 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 138615 Prefixes after maximum aggregation: 17356 Unique aggregates announced to Internet: 283 Total ASes present in the Internet Routing Table: 17241 Origin-only ASes present in the Internet Routing Table: 14946 Origin ASes announcing only one prefix: 6945 Transit ASes present in the Internet Routing Table: 2295 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 6.6 Max AS path length visible: 27 Illegal AS announcements present in the Routing Table: 14 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 759809 Equivalent to 0 /8s, 11 /16s and 152 /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: 139 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26435 Total APNIC prefixes after maximum aggregation: 2165 Prefixes being announced from the APNIC address blocks: 138450 Unique aggregates announced from the APNIC address blocks: 187 APNIC Region origin ASes present in the Internet Routing Table: 2037 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: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 568577 Equivalent to 0 /8s, 8 /16s and 173 /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: 79766 Total ARIN prefixes after maximum aggregation: 9245 Prefixes being announced from the ARIN address blocks: 113 Unique aggregates announced from the ARIN address blocks: 84 ARIN Region origin ASes present in the Internet Routing Table: 9193 ARIN Region origin ASes announcing only one prefix: 3255 ARIN Region transit ASes present in the Internet Routing Table: 911 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 26624 Equivalent to 0 /8s, 0 /16s and 104 /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: 25260 Total RIPE prefixes after maximum aggregation: 5484 Prefixes being announced from the RIPE address blocks: 32 Unique aggregates announced from the RIPE address blocks: 12 RIPE Region origin ASes present in the Internet Routing Table: 5477 RIPE Region origin ASes announcing only one prefix: 2950 RIPE Region transit ASes present in the Internet Routing Table: 937 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 164608 Equivalent to 0 /8s, 2 /16s and 131 /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: 5989 Total LACNIC prefixes after maximum aggregation: 371 Prefixes being announced from the LACNIC address blocks: 1 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 371 LACNIC Region origin ASes announcing only one prefix: 103 LACNIC Region transit ASes present in the Internet Routing Table: 72 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: 1147 Total AfriNIC prefixes after maximum aggregation: 91 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: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 11 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 989 0 1 Telstra Pty Ltd 4134 727 32 4 Data Communications Bureau 4766 476 0 1 Korea Internet Exchange for " 9583 425 0 1 Satyam Infoway Ltd., 4755 363 11 53 Videsh Sanchar Nigam Ltd. Aut 9443 357 0 2 Primus Telecommunications 2907 354 0 1 SINET Japan 7474 346 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 338 0 1 China Netcom Corp. 703 328 0 2 UUNET 17557 326 0 1 Pakistan Telecom 2764 298 0 1 connect.com.au pty ltd 9800 224 0 1 CHINA UNICOM 9498 218 0 2 BHARTI BT INTERNET LTD. 9942 204 2 6 COMindico Australia 9304 184 0 1 Hutchison Telecom (HK) 17974 182 0 1 PT TELEKOMUNIKASI INDONESIA 4837 181 0 1 chinanet IDC center beijing n 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 1424 0 1 AT&T 701 1293 0 1 UUNET Technologies, Inc. 1239 941 0 1 Sprint 6347 941 0 1 SAVVIS Communications Corpora 3356 894 0 1 Level 3 Communications, LLC 209 739 0 1 Qwest 4323 735 0 1 Time Warner Communications, I 18566 707 0 1 Covad Communications 6197 705 0 1 BellSouth Network Solutions, 6198 557 0 1 BellSouth Network Solutions, 721 555 0 1 DLA Systems Automation Center 20115 552 0 1 Charter Communications 852 514 0 1 Telus Advanced Communications 7843 505 0 1 Adelphia Corp. 7132 448 0 1 Southwestern Bell Internet Se 2386 426 0 1 AT&T Data Communications Serv 705 404 0 1 UUNET Technologies, Inc. 22909 390 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 5668 379 0 1 Century Telephone RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 649 0 1 UUNET - Commercial IP service 3320 295 0 1 Deutsche Telekom AG 8220 273 0 1 COLT Internet - International 3301 272 0 1 TeliaNet Sweden 1257 248 0 1 SWIPnet Swedish IP Network 680 244 0 1 DFN-IP service G-WiN 13083 216 0 1 Mannesmann Datenverarbeitung 3246 206 0 1 Song Networks 5515 198 0 1 Sonera Solution Autonomous Sy 3215 176 0 1 France Telecom Transpac 25186 175 0 1 France Telecom Transpac's Tra 8708 174 0 1 Romania Data Systems S.A. 786 173 0 1 The JANET IP Service 6746 154 0 1 Dynamic Network Technologies, 5400 143 0 1 BT Ignite European Backbone 3269 137 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 115 0 1 Bulgarian Telecommunication C LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 388 0 1 ImpSat 11172 356 0 1 Servicios Alestra S.A de C.V 8151 271 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 89 0 1 Integrated Systems 11556 87 0 1 Cable-Wireless Panama 6535 79 0 1 Chilesat Servicios Empresari 14420 77 0 1 ANDINATEL S.A. 15311 75 0 1 Telefonica Empresas 5639 72 0 1 Telecommunications Services o 4270 70 0 1 Red de Interconexion Universi 14535 70 0 1 Techtel S.A. 11311 69 0 1 Sinectis S.A. 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 254 0 1 The Internet Solution 5536 107 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 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 25 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 1293 1292 UUNET Technologies, Inc. 1221 989 988 Telstra Pty Ltd 1239 941 940 Sprint 6347 941 940 SAVVIS Communications Corpora 3356 894 893 Level 3 Communications, LLC 209 739 738 Qwest 4323 735 734 Time Warner Communications, I 4134 727 723 Data Communications Bureau 18566 707 706 Covad Communications 6197 705 704 BellSouth Network Solutions, 702 649 648 UUNET - Commercial IP service 6198 557 556 BellSouth Network Solutions, 721 555 554 DLA Systems Automation Center 20115 552 551 Charter Communications 852 514 513 Telus Advanced Communications 7843 505 504 Adelphia Corp. 4766 476 475 Korea Internet Exchange for " 7132 448 447 Southwestern Bell Internet Se 2386 426 425 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 65501 PRIVATE 203.14.8.16/24 14051 Roseville Telephone 65501 PRIVATE 203.14.8.16/24 14051 Roseville Telephone 65001 PRIVATE 203.14.8.16/24 8151 UniNet S.A. de C.V. 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 5555 UNALLOCATED 203.14.8.16/24 721 DLA Systems Automati 65001 PRIVATE 203.14.8.16/24 8151 UniNet S.A. de C.V. 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 /16:3 /17:8 /18:34 /19:7 /20:17 /21:12 /22:27 /23:18 /24:138484 /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 12235 46 47 Cove Software Systems Inc 1 29 103 GENUITY 4755 12 363 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 8390 6 54 Global One Communications Ltd 7474 5 346 Optus Communications Pty Ltd 21576 4 7 Telentente, Inc. 2647 3 85 SITA 2828 3 120 XO Communications 8920 3 10 Vostoktelecom Autonomous Syst 2914 2 273 Verio, Inc. 4134 2 727 Data Communications Bureau 4816 2 2 China Telecom (Group) 17676 2 341 XTAGE CORPORATION 7381 1 16 Sungard Recovery Services, In 7590 1 25 Commission on Science and Tec 7911 1 17 Williams Communications Group 9506 1 27 Magix Broadband Network 17716 1 4 National Taiwan University 17860 1 7 WEBZEN Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 65:4 66:1 69:1 192:3 195:3 198:1 200:1 202:46 203:7260 207:4 209:55 210:1 212:3 216:13 218:2 219:11 End of report