Routing Table Report 04:00 +10GMT Sun 16 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135586 Prefixes after maximum aggregation: 17250 Unique aggregates announced to Internet: 236 Total ASes present in the Internet Routing Table: 17134 Origin-only ASes present in the Internet Routing Table: 14851 Origin ASes announcing only one prefix: 6940 Transit ASes present in the Internet Routing Table: 2283 Transit-only ASes present in the Internet Routing Table: 70 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: 11 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 753665 Equivalent to 0 /8s, 11 /16s and 128 /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: 784 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26090 Total APNIC prefixes after maximum aggregation: 2163 Prefixes being announced from the APNIC address blocks: 134771 Unique aggregates announced from the APNIC address blocks: 181 APNIC Region origin ASes present in the Internet Routing Table: 2036 APNIC Region origin ASes announcing only one prefix: 621 APNIC Region transit ASes present in the Internet Routing Table: 331 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 602113 Equivalent to 0 /8s, 9 /16s and 48 /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: 77362 Total ARIN prefixes after maximum aggregation: 9172 Prefixes being announced from the ARIN address blocks: 766 Unique aggregates announced from the ARIN address blocks: 43 ARIN Region origin ASes present in the Internet Routing Table: 9121 ARIN Region origin ASes announcing only one prefix: 3259 ARIN Region transit ASes present in the Internet Routing Table: 901 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 24064 Equivalent to 0 /8s, 0 /16s and 94 /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: 25146 Total RIPE prefixes after maximum aggregation: 5451 Prefixes being announced from the RIPE address blocks: 23 Unique aggregates announced from the RIPE address blocks: 12 RIPE Region origin ASes present in the Internet Routing Table: 5444 RIPE Region origin ASes announcing only one prefix: 2933 RIPE Region transit ASes present in the Internet Routing Table: 942 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 127488 Equivalent to 0 /8s, 1 /16s and 242 /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: 5826 Total LACNIC prefixes after maximum aggregation: 372 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: 372 LACNIC Region origin ASes announcing only one prefix: 104 LACNIC Region transit ASes present in the Internet Routing Table: 69 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: 1149 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: 23 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 989 0 1 Telstra Pty Ltd 4134 760 32 4 Data Communications Bureau 9583 474 0 1 Satyam Infoway Ltd., 4766 470 0 1 Korea Internet Exchange for " 9443 357 0 2 Primus Telecommunications 2907 353 0 1 SINET Japan 4755 353 21 65 Videsh Sanchar Nigam Ltd. Aut 7474 348 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 335 0 1 China Netcom Corp. 703 329 0 2 UUNET 17557 325 0 1 Pakistan Telecom 2764 298 0 1 connect.com.au pty ltd 9800 218 0 1 CHINA UNICOM 9942 202 2 6 COMindico Australia 9498 196 0 2 BHARTI BT INTERNET LTD. 9304 183 0 1 Hutchison Telecom (HK) 17974 179 0 1 PT TELEKOMUNIKASI INDONESIA 4837 176 0 1 chinanet IDC center beijing n 4804 174 0 1 Microplex PTY LTD ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1413 0 1 AT&T 701 1297 0 1 UUNET Technologies, Inc. 1239 941 0 1 Sprint 3356 896 0 1 Level 3 Communications, LLC 209 736 0 1 Qwest 4323 726 0 1 Time Warner Communications, I 18566 704 0 1 Covad Communications 6197 698 0 1 BellSouth Network Solutions, 6198 564 0 1 BellSouth Network Solutions, 20115 536 0 1 Charter Communications 852 510 0 1 Telus Advanced Communications 7843 496 0 1 Adelphia Corp. 7132 450 0 1 Southwestern Bell Internet Se 2386 426 0 1 AT&T Data Communications Serv 6347 401 0 1 SAVVIS Communications Corpora 705 400 0 1 UUNET Technologies, Inc. 22909 386 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 5668 377 0 1 Century Telephone 22773 371 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 648 0 1 UUNET - Commercial IP service 3320 296 0 1 Deutsche Telekom AG 3301 272 0 1 TeliaNet Sweden 8220 271 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 240 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 204 0 1 Song Networks 5515 202 0 1 Sonera Solution Autonomous Sy 3215 177 0 1 France Telecom Transpac 8708 174 0 1 Romania Data Systems S.A. 25186 174 0 1 France Telecom Transpac's Tra 786 173 0 1 The JANET IP Service 5400 147 0 1 BT Ignite European Backbone 6746 138 0 1 Dynamic Network Technologies, 3269 137 0 1 TELECOM ITALIA 3303 134 0 1 Swisscom Ltd 12302 122 0 1 MobiFon S.A. 1273 116 0 1 Cable & Wireless Deutschland 719 112 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 385 0 1 ImpSat 8151 273 0 1 UniNet S.A. de C.V. 11172 213 0 1 Servicios Alestra S.A de C.V 16814 171 0 1 NSS, S.A. 6147 160 0 1 Telefonica Del Peru 7303 143 0 1 Telecom Argentina Stet-France 6505 134 0 1 Global One Communicaoes Ltda 6503 129 0 1 AVANTEL, S.A. 11992 88 0 1 Integrated Systems 11556 87 0 1 Cable-Wireless Panama 6535 78 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 14420 73 0 1 ANDINATEL S.A. 5639 72 0 1 Telecommunications Services o 4270 71 0 1 Red de Interconexion Universi 14535 71 0 1 Techtel S.A. 11311 69 0 1 Sinectis S.A. 14259 68 0 1 GTD Internet S.A. 10292 65 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 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 24835 31 0 1 RAYA Telecom - Egypt 9129 28 0 1 UUNET Kenya 5713 26 0 1 Telkom SA Ltd 16637 25 0 1 Johnnic e-Ventures 6713 24 0 1 Itissalat Al-MAGHRIB 12455 24 0 1 Jambonet Autonomous system 14988 24 0 1 Botswana Telecommunications C 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 8346 14 0 1 SONATEL-AS Autonomous System 15808 13 0 1 Communication Solutions Ltd i 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 1297 1296 UUNET Technologies, Inc. 1221 989 988 Telstra Pty Ltd 1239 941 940 Sprint 3356 896 895 Level 3 Communications, LLC 4134 760 756 Data Communications Bureau 209 736 735 Qwest 4323 726 725 Time Warner Communications, I 18566 704 703 Covad Communications 6197 698 697 BellSouth Network Solutions, 702 648 647 UUNET - Commercial IP service 6198 564 563 BellSouth Network Solutions, 20115 536 535 Charter Communications 852 510 509 Telus Advanced Communications 7843 496 495 Adelphia Corp. 9583 474 473 Satyam Infoway Ltd., 4766 470 469 Korea Internet Exchange for " 7132 450 449 Southwestern Bell Internet Se 2386 426 425 AT&T Data Communications Serv 6347 401 400 SAVVIS Communications Corpora 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 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 30306 UNALLOCATED 203.14.8.16/24 5713 Telkom SA Ltd 30306 UNALLOCATED 203.14.8.16/24 5713 Telkom SA Ltd 30306 UNALLOCATED 203.14.8.16/24 5713 Telkom SA Ltd 30306 UNALLOCATED 203.14.8.16/24 5713 Telkom SA Ltd 30306 UNALLOCATED 203.14.8.16/24 5713 Telkom SA Ltd 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 /16:4 /17:6 /18:24 /19:16 /20:22 /21:243 /22:57 /23:451 /24:134759 /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 684 704 Covad Communications 1 29 103 GENUITY 4755 18 353 Videsh Sanchar Nigam Ltd. Aut 3758 11 47 SingNet 7474 4 348 Optus Communications Pty Ltd 21576 4 7 Telentente, Inc. 2647 3 79 SITA 2828 3 120 XO Communications 5786 3 136 University of Puerto Rico 2914 2 272 Verio, Inc. 4134 2 760 Data Communications Bureau 4816 2 2 China Telecom (Group) 8390 2 54 Global One Communications Ltd 12080 2 8 DCCI Internet Services 17676 2 341 XTAGE CORPORATION 4657 1 108 Starhub Internet, Singapore 7381 1 16 Sungard Recovery Services, In 7911 1 18 Williams Communications Group 9506 1 27 Magix Broadband Network 17295 1 1 eHealthInsurance Services Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:4 63:1 64:2 65:6 66:1 69:1 128:1 136:3 170:1 192:4 198:4 202:33 203:3584 204:4 206:1 207:3 209:9 216:13 218:2 219:10 End of report