Routing Table Report 04:00 +10GMT Wed 21 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 134997 Prefixes after maximum aggregation: 17078 Unique aggregates announced to Internet: 273 Total ASes present in the Internet Routing Table: 16969 Origin-only ASes present in the Internet Routing Table: 14712 Origin ASes announcing only one prefix: 6825 Transit ASes present in the Internet Routing Table: 2257 Transit-only ASes present in the Internet Routing Table: 77 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: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 773633 Equivalent to 0 /8s, 11 /16s and 206 /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: 798 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25917 Total APNIC prefixes after maximum aggregation: 2158 Prefixes being announced from the APNIC address blocks: 134181 Unique aggregates announced from the APNIC address blocks: 221 APNIC Region origin ASes present in the Internet Routing Table: 2022 APNIC Region origin ASes announcing only one prefix: 614 APNIC Region transit ASes present in the Internet Routing Table: 327 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 644865 Equivalent to 0 /8s, 9 /16s and 215 /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 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 77463 Total ARIN prefixes after maximum aggregation: 9100 Prefixes being announced from the ARIN address blocks: 752 Unique aggregates announced from the ARIN address blocks: 40 ARIN Region origin ASes present in the Internet Routing Table: 9057 ARIN Region origin ASes announcing only one prefix: 3224 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: 23296 Equivalent to 0 /8s, 0 /16s and 91 /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: 24724 Total RIPE prefixes after maximum aggregation: 5363 Prefixes being announced from the RIPE address blocks: 17 Unique aggregates announced from the RIPE address blocks: 12 RIPE Region origin ASes present in the Internet Routing Table: 5356 RIPE Region origin ASes announcing only one prefix: 2863 RIPE Region transit ASes present in the Internet Routing Table: 930 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 105472 Equivalent to 0 /8s, 1 /16s and 156 /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: 5734 Total LACNIC prefixes after maximum aggregation: 366 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: 366 LACNIC Region origin ASes announcing only one prefix: 101 LACNIC Region transit ASes present in the Internet Routing Table: 71 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: 23 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 995 0 1 Telstra Pty Ltd 4134 709 32 4 Data Communications Bureau 4766 461 0 1 Korea Internet Exchange for " 9583 438 0 1 Satyam Infoway Ltd., 2907 358 0 1 SINET Japan 4755 358 21 74 Videsh Sanchar Nigam Ltd. Aut 9443 358 0 2 Primus Telecommunications 7474 354 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 338 0 1 China Netcom Corp. 703 337 0 2 UUNET 17557 320 0 1 Pakistan Telecom 2764 296 0 1 connect.com.au pty ltd 9800 217 0 1 CHINA UNICOM 9498 205 0 2 BHARTI BT INTERNET LTD. 9942 198 0 5 COMindico Australia 9304 181 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 1402 0 1 AT&T 701 1294 0 1 UUNET Technologies, Inc. 1239 950 0 1 Sprint 3356 897 0 1 Level 3 Communications, LLC 209 761 0 1 Qwest 4323 716 0 1 Time Warner Communications, I 18566 699 0 1 Covad Communications 6197 687 0 1 BellSouth Network Solutions, 6198 564 0 1 BellSouth Network Solutions, 20115 561 0 1 Charter Communications 7843 535 0 1 Adelphia Corp. 852 512 0 1 Telus Advanced Communications 7132 450 0 1 Southwestern Bell Internet Se 2386 431 0 1 AT&T Data Communications Serv 27364 405 0 1 Armstrong Cable Services 22909 383 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 6347 375 0 1 SAVVIS Communications Corpora 5668 367 0 1 Century Telephone 19029 367 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 663 0 1 UUNET - Commercial IP service 3320 291 0 1 Deutsche Telekom AG 3301 268 0 1 TeliaNet Sweden 8220 265 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 3246 197 0 1 Song Networks 5515 197 0 1 Sonera Solution Autonomous Sy 786 175 0 1 The JANET IP Service 8708 173 0 1 Romania Data Systems S.A. 25186 169 0 1 France Telecom Transpac's Tra 3215 167 0 1 France Telecom Transpac 5400 156 0 1 BT Ignite European Backbone 6746 136 0 1 Dynamic Network Technologies, 3303 135 0 1 Swisscom Ltd 3269 134 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 1273 118 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 380 0 1 ImpSat 8151 267 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 145 0 1 Telefonica Del Peru 7303 141 0 1 Telecom Argentina Stet-France 6503 136 0 1 AVANTEL, S.A. 6505 133 0 1 Global One Communicaoes Ltda 11992 89 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 75 0 1 Telefonica Empresas 4270 71 0 1 Red de Interconexion Universi 11311 71 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 6713 25 0 1 Itissalat Al-MAGHRIB 16637 25 0 1 Johnnic e-Ventures 12455 24 0 1 Jambonet Autonomous system 8524 23 0 1 AUCEGYPT Autonomous System 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 1294 1293 UUNET Technologies, Inc. 1221 995 994 Telstra Pty Ltd 1239 950 949 Sprint 3356 897 896 Level 3 Communications, LLC 209 761 760 Qwest 4323 716 715 Time Warner Communications, I 4134 709 705 Data Communications Bureau 18566 699 698 Covad Communications 6197 687 686 BellSouth Network Solutions, 702 663 662 UUNET - Commercial IP service 6198 564 563 BellSouth Network Solutions, 20115 561 560 Charter Communications 7843 535 534 Adelphia Corp. 852 512 511 Telus Advanced Communications 4766 461 460 Korea Internet Exchange for " 7132 450 449 Southwestern Bell Internet Se 9583 438 437 Satyam Infoway Ltd., 2386 431 430 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 65500 PRIVATE 203.14.8.16/24 12769 Iber-X 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 /18:26 /19:11 /20:22 /21:237 /22:59 /23:453 /24:134168 /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 30 105 GENUITY 1659 19 103 Tiawan Academic Network (TANe 4755 19 358 Videsh Sanchar Nigam Ltd. Aut 3758 11 48 SingNet 21576 4 7 Telentente, Inc. 2647 3 79 SITA 2828 3 121 XO Communications 7474 3 354 Optus Communications Pty Ltd 2914 2 274 Verio, Inc. 3147 2 6 FIRSTBANK 4134 2 709 Data Communications Bureau 4816 2 2 China Telecom (Group) 7132 2 450 Southwestern Bell Internet Se 12536 2 3 MaNAP-Switch ASN 16557 2 27 R. E. Stafford Inc 17676 2 341 XTAGE CORPORATION 1476 1 2 US DOD NIC Unregistered 7381 1 14 Sungard Recovery Services, In 7911 1 19 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 64:2 65:4 69:1 141:2 143:1 192:11 198:2 202:31 203:2978 204:1 207:3 209:9 210:17 211:1 212:2 213:1 216:14 217:1 218:1 219:11 End of report