Routing Table Report 04:00 +10GMT Thu 29 Apr, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135109 Prefixes after maximum aggregation: 17161 Unique aggregates announced to Internet: 224 Total ASes present in the Internet Routing Table: 17035 Origin-only ASes present in the Internet Routing Table: 14772 Origin ASes announcing only one prefix: 6847 Transit ASes present in the Internet Routing Table: 2263 Transit-only ASes present in the Internet Routing Table: 78 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: 1293825 Equivalent to 0 /8s, 19 /16s and 190 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.1 Percentage of available address space allocated: 60.0 Total number of prefixes smaller than registry allocations: 770 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25949 Total APNIC prefixes after maximum aggregation: 2167 Prefixes being announced from the APNIC address blocks: 134277 Unique aggregates announced from the APNIC address blocks: 171 APNIC Region origin ASes present in the Internet Routing Table: 2020 APNIC Region origin ASes announcing only one prefix: 612 APNIC Region transit ASes present in the Internet Routing Table: 331 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 1169921 Equivalent to 0 /8s, 17 /16s and 218 /24s Percentage of available APNIC address space announced: 0.6 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: 77375 Total ARIN prefixes after maximum aggregation: 9148 Prefixes being announced from the ARIN address blocks: 765 Unique aggregates announced from the ARIN address blocks: 47 ARIN Region origin ASes present in the Internet Routing Table: 9095 ARIN Region origin ASes announcing only one prefix: 3236 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: 25600 Equivalent to 0 /8s, 0 /16s and 100 /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: 24884 Total RIPE prefixes after maximum aggregation: 5388 Prefixes being announced from the RIPE address blocks: 13 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 5384 RIPE Region origin ASes announcing only one prefix: 2875 RIPE Region transit ASes present in the Internet Routing Table: 932 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 98304 Equivalent to 0 /8s, 1 /16s and 128 /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: 5742 Total LACNIC prefixes after maximum aggregation: 368 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: 367 LACNIC Region origin ASes announcing only one prefix: 102 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: 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: 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 993 0 1 Telstra Pty Ltd 4134 761 32 4 Data Communications Bureau 9583 474 0 1 Satyam Infoway Ltd., 4766 466 0 1 Korea Internet Exchange for " 9443 359 0 2 Primus Telecommunications 2907 355 0 1 SINET Japan 7474 351 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 339 0 1 China Netcom Corp. 703 333 0 2 UUNET 4755 327 8 58 Videsh Sanchar Nigam Ltd. Aut 17557 321 0 1 Pakistan Telecom 2764 295 0 1 connect.com.au pty ltd 9800 218 0 1 CHINA UNICOM 9498 211 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 174 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 1421 0 1 AT&T 701 1299 0 1 UUNET Technologies, Inc. 1239 949 0 1 Sprint 3356 898 0 1 Level 3 Communications, LLC 209 752 0 1 Qwest 4323 717 0 1 Time Warner Communications, I 18566 700 0 1 Covad Communications 6197 695 0 1 BellSouth Network Solutions, 6198 561 0 1 BellSouth Network Solutions, 852 511 0 1 Telus Advanced Communications 20115 507 0 1 Charter Communications 7843 503 0 1 Adelphia Corp. 7132 450 0 1 Southwestern Bell Internet Se 2386 426 0 1 AT&T Data Communications Serv 6347 389 0 1 SAVVIS Communications Corpora 22909 385 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 27364 379 0 1 Armstrong Cable Services 5668 376 0 1 Century Telephone 22773 364 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 661 0 1 UUNET - Commercial IP service 3320 295 0 1 Deutsche Telekom AG 3301 268 0 1 TeliaNet Sweden 8220 268 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 5515 201 0 1 Sonera Solution Autonomous Sy 3246 197 0 1 Song Networks 25186 176 0 1 France Telecom Transpac's Tra 8708 175 0 1 Romania Data Systems S.A. 786 174 0 1 The JANET IP Service 3215 171 0 1 France Telecom Transpac 5400 155 0 1 BT Ignite European Backbone 6746 137 0 1 Dynamic Network Technologies, 3269 134 0 1 TELECOM ITALIA 3303 134 0 1 Swisscom Ltd 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 263 0 1 UniNet S.A. de C.V. 11172 206 0 1 Servicios Alestra S.A de C.V 16814 163 0 1 NSS, S.A. 6147 148 0 1 Telefonica Del Peru 7303 140 0 1 Telecom Argentina Stet-France 6503 135 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 77 0 1 ANDINATEL S.A. 15311 74 0 1 Telefonica Empresas 4270 71 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 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 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 22 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 17148 13 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS 3208 12 0 1 ARN Network Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1299 1298 UUNET Technologies, Inc. 1221 993 992 Telstra Pty Ltd 1239 949 948 Sprint 3356 898 897 Level 3 Communications, LLC 4134 761 757 Data Communications Bureau 209 752 751 Qwest 4323 717 716 Time Warner Communications, I 18566 700 699 Covad Communications 6197 695 694 BellSouth Network Solutions, 702 661 660 UUNET - Commercial IP service 6198 561 560 BellSouth Network Solutions, 852 511 510 Telus Advanced Communications 20115 507 506 Charter Communications 7843 503 502 Adelphia Corp. 9583 474 473 Satyam Infoway Ltd., 4766 466 465 Korea Internet Exchange for " 7132 450 449 Southwestern Bell Internet Se 2386 426 425 AT&T Data Communications Serv 6347 389 388 SAVVIS Communications Corpora List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 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 /12:1 /13:2 /14:1 /15:4 /16:26 /17:9 /18:26 /19:9 /20:23 /21:238 /22:53 /23:453 /24:134261 /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 680 700 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 3 351 Optus Communications Pty Ltd 14092 3 4 NJ Internet Access 18325 3 4 KRNIC 1659 2 35 Tiawan Academic Network (TANe 2914 2 273 Verio, Inc. 4134 2 761 Data Communications Bureau 4816 2 2 China Telecom (Group) 5786 2 168 University of Puerto Rico 17295 2 2 eHealthInsurance Services Inc 17676 2 341 XTAGE CORPORATION 31918 2 2 Burns Flat Cooperative Intern 4755 1 327 Videsh Sanchar Nigam Ltd. Aut 6222 1 30 Sprint United Telephone Easte 7381 1 14 Sungard Recovery Services, In Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:3 63:4 64:2 65:4 69:1 136:2 192:4 193:1 195:1 198:1 199:1 202:31 203:3095 205:2 207:4 209:10 211:3 216:16 218:1 219:1 220:1 End of report