Routing Table Report 04:00 +10GMT Mon 29 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 133703 Prefixes after maximum aggregation: 16948 Unique aggregates announced to Internet: 223 Total ASes present in the Internet Routing Table: 16843 Origin-only ASes present in the Internet Routing Table: 14613 Origin ASes announcing only one prefix: 6770 Transit ASes present in the Internet Routing Table: 2230 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 33 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: 776961 Equivalent to 0 /8s, 11 /16s and 219 /24s Percentage of available address space announced: 0.0 Percentage of allocated address space announced: 0.0 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 768 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25245 Total APNIC prefixes after maximum aggregation: 2136 Prefixes being announced from the APNIC address blocks: 132920 Unique aggregates announced from the APNIC address blocks: 175 APNIC Region origin ASes present in the Internet Routing Table: 2004 APNIC Region origin ASes announcing only one prefix: 610 APNIC Region transit ASes present in the Internet Routing Table: 316 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 651009 Equivalent to 0 /8s, 9 /16s and 239 /24s Percentage of available APNIC address space announced: 0.4 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: 77171 Total ARIN prefixes after maximum aggregation: 9055 Prefixes being announced from the ARIN address blocks: 745 Unique aggregates announced from the ARIN address blocks: 42 ARIN Region origin ASes present in the Internet Routing Table: 9013 ARIN Region origin ASes announcing only one prefix: 3208 ARIN Region transit ASes present in the Internet Routing Table: 888 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 27648 Equivalent to 0 /8s, 0 /16s and 108 /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: 24417 Total RIPE prefixes after maximum aggregation: 5301 Prefixes being announced from the RIPE address blocks: 16 Unique aggregates announced from the RIPE address blocks: 6 RIPE Region origin ASes present in the Internet Routing Table: 5296 RIPE Region origin ASes announcing only one prefix: 2829 RIPE Region transit ASes present in the Internet Routing Table: 915 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 33 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, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5663 Total LACNIC prefixes after maximum aggregation: 364 Prefixes being announced from the LACNIC address blocks: 3 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 364 LACNIC Region origin ASes announcing only one prefix: 98 LACNIC Region transit ASes present in the Internet Routing Table: 69 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: 1195 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: 25 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 6.8 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 1001 0 1 Telstra Pty Ltd 4134 649 32 4 Data Communications Bureau 4766 451 0 1 Korea Internet Exchange for " 9583 419 0 1 Satyam Infoway Ltd., 4755 363 17 88 Videsh Sanchar Nigam Ltd. Aut 2907 361 0 1 SINET Japan 9443 360 0 2 Primus Telecommunications 7474 354 0 2 Optus Communications Pty Ltd 703 340 0 2 UUNET 17557 326 0 1 Pakistan Telecom 2764 299 0 1 connect.com.au pty ltd 17676 299 1 3 XTAGE CORPORATION 9800 214 0 1 CHINA UNICOM 9929 210 0 1 China Netcom Corp. 9942 206 0 5 COMindico Australia 9498 198 0 1 BHARTI BT INTERNET LTD. 9304 180 0 1 Hutchison Telecom (HK) 4837 172 0 1 chinanet IDC center beijing n 4804 164 0 1 Microplex PTY LTD 17974 160 0 1 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1395 0 1 AT&T 701 1299 0 1 UUNET Technologies, Inc. 1239 963 0 1 Sprint 3356 883 0 1 Level 3 Communications, LLC 209 731 0 1 Qwest 4323 695 0 1 Time Warner Communications, I 18566 693 0 1 Covad Communications 6197 690 0 1 BellSouth Network Solutions, 20115 596 0 1 Charter Communications 6198 550 0 1 BellSouth Network Solutions, 7843 538 0 1 Adelphia Corp. 852 513 0 1 Telus Advanced Communications 7132 478 0 1 Southwestern Bell Internet Se 2386 427 0 1 AT&T Data Communications Serv 27364 404 0 1 Armstrong Cable Services 690 397 0 1 Merit Network 4355 384 0 1 EarthLink, Inc. 22909 380 0 1 Comcast Cable Corporation 6347 371 0 1 SAVVIS Communications Corpora 19029 371 0 1 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 669 0 1 UUNET - Commercial IP service 3320 286 0 1 Deutsche Telekom AG 3301 270 0 1 TeliaNet Sweden 8220 265 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 237 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 195 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 173 0 1 Romania Data Systems S.A. 5515 167 0 1 Sonera Solution Autonomous Sy 25186 167 0 1 France Telecom Transpac's Tra 3215 166 0 1 France Telecom Transpac 5400 149 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 135 0 1 Dynamic Network Technologies, 3269 129 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 1273 117 0 1 Cable & Wireless Deutschland 2856 116 0 1 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 380 0 1 ImpSat 8151 266 0 1 UniNet S.A. de C.V. 11172 204 0 1 Servicios Alestra S.A de C.V 16814 156 0 1 NSS, S.A. 6503 138 0 1 AVANTEL, S.A. 7303 136 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6147 132 0 1 Telefonica Del Peru 11556 88 0 1 Cable-Wireless Panama 11992 88 0 1 Integrated Systems 6535 79 0 1 Chilesat Servicios Empresari 15311 77 0 1 Telefonica Empresas 14535 70 0 1 Techtel S.A. 4270 69 0 1 Red de Interconexion Universi 11311 69 0 1 Sinectis S.A. 5639 65 0 1 Telecommunications Services o 14420 65 0 1 ANDINATEL S.A. 7080 64 0 1 Electronica y Comunicaciones 10292 63 0 1 TELECOMMUNICATIONS OF JAMAICA 7738 62 0 1 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 252 0 1 The Internet Solution 5536 104 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 89 0 1 The Internetworking Company o 2561 52 0 1 Egyptian Universities Network 11845 36 0 1 Data Pro Business Online 3208 33 0 1 ARN Network 9129 32 0 1 UUNET Kenya 16637 25 0 1 Johnnic e-Ventures 5713 24 0 1 Telkom SA Ltd 12455 24 0 1 Jambonet Autonomous system 24835 23 0 1 RAYA Telecom - Egypt 6713 22 0 1 Itissalat Al-MAGHRIB 14988 22 0 1 Botswana Telecommunications C 10798 18 0 1 Standard Bank of South Africa 8524 17 0 1 AUCEGYPT Autonomous System 15706 16 0 1 Sudatel Internet Exchange Aut 15808 16 0 1 Communication Solutions Ltd i 12258 15 0 1 Vodacom Internet Company 20928 15 0 1 Noor Advanced Technologies AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1299 1298 UUNET Technologies, Inc. 1221 1001 1000 Telstra Pty Ltd 1239 963 962 Sprint 3356 883 882 Level 3 Communications, LLC 209 731 730 Qwest 4323 695 694 Time Warner Communications, I 18566 693 692 Covad Communications 6197 690 689 BellSouth Network Solutions, 702 669 668 UUNET - Commercial IP service 4134 649 645 Data Communications Bureau 20115 596 595 Charter Communications 6198 550 549 BellSouth Network Solutions, 7843 538 537 Adelphia Corp. 852 513 512 Telus Advanced Communications 7132 478 477 Southwestern Bell Internet Se 4766 451 450 Korea Internet Exchange for " 2386 427 426 AT&T Data Communications Serv 9583 419 418 Satyam Infoway Ltd., 27364 404 403 Armstrong Cable Services List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 29975 UNALLOCATED 203.14.8.16/24 3741 The Internet Solutio 64541 PRIVATE 203.14.8.16/24 22551 Anobi Technology Cor 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 /12:0 /13:0 /14:0 /15:1 /16:2 /17:6 /18:22 /19:10 /20:21 /21:235 /22:55 /23:444 /24:132904 /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 673 693 Covad Communications 1 30 111 GENUITY 4755 20 363 Videsh Sanchar Nigam Ltd. Aut 3758 11 48 SingNet 2647 3 77 SITA 2828 3 124 XO Communications 5786 3 160 University of Puerto Rico 7474 3 354 Optus Communications Pty Ltd 2914 2 270 Verio, Inc. 4134 2 649 Data Communications Bureau 4816 2 2 China Telecom (Group) 17676 2 299 XTAGE CORPORATION 20663 2 21 Autonomous System of Vologda 21576 2 7 Telentente, Inc. 4628 1 51 Pacific Internet Pte Ltd 4795 1 125 INDOSATNET-ASN 5384 1 37 Emirates Internet 7381 1 13 Sungard Recovery Services, In 7843 1 538 Adelphia Corp. 7911 1 19 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 62:2 64:2 65:5 69:1 136:3 192:2 200:2 202:60 203:1710 205:1 206:1 207:3 209:9 210:1 216:14 218:1 219:12 End of report