Routing Table Report 04:00 +10GMT Tue 25 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 136407 Prefixes after maximum aggregation: 17243 Unique aggregates announced to Internet: 158 Total ASes present in the Internet Routing Table: 17187 Origin-only ASes present in the Internet Routing Table: 14902 Origin ASes announcing only one prefix: 6944 Transit ASes present in the Internet Routing Table: 2285 Transit-only ASes present in the Internet Routing Table: 76 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: 13 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 764929 Equivalent to 0 /8s, 11 /16s and 172 /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: 126 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26174 Total APNIC prefixes after maximum aggregation: 2107 Prefixes being announced from the APNIC address blocks: 136231 Unique aggregates announced from the APNIC address blocks: 98 APNIC Region origin ASes present in the Internet Routing Table: 2038 APNIC Region origin ASes announcing only one prefix: 619 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: 558337 Equivalent to 0 /8s, 8 /16s and 133 /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: 77810 Total ARIN prefixes after maximum aggregation: 9205 Prefixes being announced from the ARIN address blocks: 76 Unique aggregates announced from the ARIN address blocks: 45 ARIN Region origin ASes present in the Internet Routing Table: 9157 ARIN Region origin ASes announcing only one prefix: 3268 ARIN Region transit ASes present in the Internet Routing Table: 905 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 25088 Equivalent to 0 /8s, 0 /16s and 98 /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: 25262 Total RIPE prefixes after maximum aggregation: 5468 Prefixes being announced from the RIPE address blocks: 35 Unique aggregates announced from the RIPE address blocks: 15 RIPE Region origin ASes present in the Internet Routing Table: 5457 RIPE Region origin ASes announcing only one prefix: 2932 RIPE Region transit ASes present in the Internet Routing Table: 936 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 181504 Equivalent to 0 /8s, 2 /16s and 197 /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: 5994 Total LACNIC prefixes after maximum aggregation: 372 Prefixes being announced from the LACNIC address blocks: 7 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: 70 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: 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 761 32 4 Data Communications Bureau 4766 473 0 1 Korea Internet Exchange for " 9583 399 0 1 Satyam Infoway Ltd., 4755 371 1 2 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 337 0 1 China Netcom Corp. 703 329 0 2 UUNET 17557 325 0 1 Pakistan Telecom 2764 297 0 1 connect.com.au pty ltd 9800 222 0 1 CHINA UNICOM 9942 204 2 6 COMindico Australia 9498 197 0 2 BHARTI BT INTERNET LTD. 9304 183 0 1 Hutchison Telecom (HK) 10036 179 0 1 C&M Communication Co. Ltd. 4837 177 0 1 chinanet IDC center beijing n 4804 170 0 1 Microplex PTY LTD ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1428 0 1 AT&T 701 1288 0 1 UUNET Technologies, Inc. 1239 948 0 1 Sprint 3356 894 0 1 Level 3 Communications, LLC 209 739 0 1 Qwest 4323 726 0 1 Time Warner Communications, I 18566 704 0 1 Covad Communications 6197 699 0 1 BellSouth Network Solutions, 6198 554 0 1 BellSouth Network Solutions, 20115 554 0 1 Charter Communications 852 511 0 1 Telus Advanced Communications 7843 492 0 1 Adelphia Corp. 7132 447 0 1 Southwestern Bell Internet Se 2386 429 0 1 AT&T Data Communications Serv 705 402 0 1 UUNET Technologies, Inc. 6347 401 0 1 SAVVIS Communications Corpora 22909 389 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 5668 380 0 1 Century Telephone 22773 372 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 649 0 1 UUNET - Commercial IP service 3320 294 0 1 Deutsche Telekom AG 3301 272 0 1 TeliaNet Sweden 8220 272 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 198 0 1 Sonera Solution Autonomous Sy 3215 176 0 1 France Telecom Transpac 8708 174 0 1 Romania Data Systems S.A. 786 173 0 1 The JANET IP Service 25186 166 0 1 France Telecom Transpac's Tra 6746 152 0 1 Dynamic Network Technologies, 5400 148 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 120 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 387 0 1 ImpSat 11172 355 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 128 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 15311 75 0 1 Telefonica Empresas 14420 74 0 1 ANDINATEL S.A. 5639 72 0 1 Telecommunications Services o 4270 71 0 1 Red de Interconexion Universi 14535 70 0 1 Techtel S.A. 11311 69 0 1 Sinectis S.A. 14259 68 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 89 0 1 The Internetworking Company o 11845 37 0 1 Data Pro Business Online 24835 31 0 1 RAYA Telecom - Egypt 9129 27 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 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 1288 1287 UUNET Technologies, Inc. 1221 989 988 Telstra Pty Ltd 1239 948 947 Sprint 3356 894 893 Level 3 Communications, LLC 4134 761 757 Data Communications Bureau 209 739 738 Qwest 4323 726 725 Time Warner Communications, I 18566 704 703 Covad Communications 6197 699 698 BellSouth Network Solutions, 702 649 648 UUNET - Commercial IP service 6198 554 553 BellSouth Network Solutions, 20115 554 553 Charter Communications 852 511 510 Telus Advanced Communications 7843 492 491 Adelphia Corp. 4766 473 472 Korea Internet Exchange for " 7132 447 446 Southwestern Bell Internet Se 2386 429 428 AT&T Data Communications Serv 705 402 401 UUNET Technologies, Inc. 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 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 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 /16:2 /17:9 /18:35 /19:18 /20:12 /21:15 /22:23 /23:18 /24:136270 /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 5786 38 170 University of Puerto Rico 1 29 103 GENUITY 3758 11 47 SingNet 7474 5 346 Optus Communications Pty Ltd 21576 4 7 Telentente, Inc. 2647 3 83 SITA 2828 3 120 XO Communications 5479 3 3 Universities Network in Vilni 10355 3 13 Digital Service Consultants 16382 3 3 Init Autonomous System 2914 2 273 Verio, Inc. 4134 2 761 Data Communications Bureau 4816 2 2 China Telecom (Group) 17676 2 341 XTAGE CORPORATION 4657 1 108 Starhub Internet, Singapore 5668 1 380 Century Telephone 7381 1 16 Sungard Recovery Services, In 7911 1 17 Williams Communications Group 9506 1 27 Magix Broadband Network 17716 1 4 National Taiwan University Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:4 64:1 65:4 66:1 69:1 136:38 192:3 198:1 199:1 200:5 202:19 203:5089 207:4 209:9 213:1 216:13 217:2 218:2 End of report