Routing Table Report 04:00 +10GMT Tue 30 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 133755 Prefixes after maximum aggregation: 16960 Unique aggregates announced to Internet: 236 Total ASes present in the Internet Routing Table: 16847 Origin-only ASes present in the Internet Routing Table: 14614 Origin ASes announcing only one prefix: 6774 Transit ASes present in the Internet Routing Table: 2233 Transit-only ASes present in the Internet Routing Table: 73 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: 847361 Equivalent to 0 /8s, 12 /16s and 238 /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: 810 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25296 Total APNIC prefixes after maximum aggregation: 2145 Prefixes being announced from the APNIC address blocks: 132931 Unique aggregates announced from the APNIC address blocks: 183 APNIC Region origin ASes present in the Internet Routing Table: 2010 APNIC Region origin ASes announcing only one prefix: 613 APNIC Region transit ASes present in the Internet Routing Table: 319 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 719873 Equivalent to 0 /8s, 10 /16s and 252 /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: 77140 Total ARIN prefixes after maximum aggregation: 9059 Prefixes being announced from the ARIN address blocks: 747 Unique aggregates announced from the ARIN address blocks: 43 ARIN Region origin ASes present in the Internet Routing Table: 9015 ARIN Region origin ASes announcing only one prefix: 3214 ARIN Region transit ASes present in the Internet Routing Table: 886 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: 24427 Total RIPE prefixes after maximum aggregation: 5300 Prefixes being announced from the RIPE address blocks: 20 Unique aggregates announced from the RIPE address blocks: 10 RIPE Region origin ASes present in the Internet Routing Table: 5293 RIPE Region origin ASes announcing only one prefix: 2824 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: 103424 Equivalent to 0 /8s, 1 /16s and 148 /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: 5680 Total LACNIC prefixes after maximum aggregation: 364 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: 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: 1200 Total AfriNIC prefixes after maximum aggregation: 92 Prefixes being announced from the AfriNIC address blocks: 2 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: 6.9 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 1000 0 1 Telstra Pty Ltd 4134 678 32 4 Data Communications Bureau 4766 452 0 1 Korea Internet Exchange for " 9583 420 0 1 Satyam Infoway Ltd., 4755 364 14 87 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 703 343 0 2 UUNET 17557 325 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 212 0 1 China Netcom Corp. 9942 206 0 5 COMindico Australia 9498 197 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 162 0 1 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1399 0 1 AT&T 701 1294 0 1 UUNET Technologies, Inc. 1239 959 0 1 Sprint 3356 885 0 1 Level 3 Communications, LLC 209 728 0 1 Qwest 4323 695 0 1 Time Warner Communications, I 18566 693 0 1 Covad Communications 6197 689 0 1 BellSouth Network Solutions, 20115 596 0 1 Charter Communications 6198 550 0 1 BellSouth Network Solutions, 7843 537 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 702 668 0 1 UUNET - Commercial IP service 3320 285 0 1 Deutsche Telekom AG 3301 270 0 1 TeliaNet Sweden 8220 266 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 236 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. 25186 167 0 1 France Telecom Transpac's Tra 3215 166 0 1 France Telecom Transpac 5515 166 0 1 Sonera Solution Autonomous Sy 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 267 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 4270 70 0 1 Red de Interconexion Universi 11311 69 0 1 Sinectis S.A. 14535 69 0 1 Techtel 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 105 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 8524 21 0 1 AUCEGYPT Autonomous System 10798 18 0 1 Standard Bank of South Africa 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 1294 1293 UUNET Technologies, Inc. 1221 1000 999 Telstra Pty Ltd 1239 959 958 Sprint 3356 885 884 Level 3 Communications, LLC 209 728 727 Qwest 4323 695 694 Time Warner Communications, I 18566 693 692 Covad Communications 6197 689 688 BellSouth Network Solutions, 4134 678 674 Data Communications Bureau 702 668 667 UUNET - Commercial IP service 20115 596 595 Charter Communications 6198 550 549 BellSouth Network Solutions, 7843 537 536 Adelphia Corp. 852 513 512 Telus Advanced Communications 7132 478 477 Southwestern Bell Internet Se 4766 452 451 Korea Internet Exchange for " 2386 427 426 AT&T Data Communications Serv 9583 420 419 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 /16:4 /17:7 /18:27 /19:9 /20:18 /21:234 /22:55 /23:444 /24:132953 /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 5786 37 166 University of Puerto Rico 1 30 109 GENUITY 4755 20 364 Videsh Sanchar Nigam Ltd. Aut 3758 11 48 SingNet 2647 3 77 SITA 2828 3 124 XO Communications 7474 3 354 Optus Communications Pty Ltd 2914 2 270 Verio, Inc. 4134 2 678 Data Communications Bureau 4816 2 2 China Telecom (Group) 6619 2 48 Samsung Global Management Ins 8318 2 2 VALCEM AS 13160 2 2 Informazioni Editoriali Srl 17676 2 299 XTAGE CORPORATION 18885 2 57 Wave2Wave Communications, Inc 21576 2 7 Telentente, Inc. 4628 1 51 Pacific Internet Pte Ltd 5384 1 37 Emirates Internet 7381 1 13 Sungard Recovery Services, In Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:3 63:1 64:2 65:4 69:1 136:37 192:2 193:2 195:1 196:2 199:1 202:59 203:1719 205:1 207:3 209:11 211:2 212:1 216:15 217:1 218:1 219:12 End of report