Routing Table Report 04:00 +10GMT Sun 07 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 132383 Prefixes after maximum aggregation: 16814 Unique aggregates announced to Internet: 233 Total ASes present in the Internet Routing Table: 16693 Origin-only ASes present in the Internet Routing Table: 14483 Origin ASes announcing only one prefix: 6719 Transit ASes present in the Internet Routing Table: 2210 Transit-only ASes present in the Internet Routing Table: 64 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: 16 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 692737 Equivalent to 0 /8s, 10 /16s and 146 /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: 769 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25005 Total APNIC prefixes after maximum aggregation: 2131 Prefixes being announced from the APNIC address blocks: 131595 Unique aggregates announced from the APNIC address blocks: 182 APNIC Region origin ASes present in the Internet Routing Table: 2000 APNIC Region origin ASes announcing only one prefix: 603 APNIC Region transit ASes present in the Internet Routing Table: 322 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 514049 Equivalent to 0 /8s, 7 /16s and 216 /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: 76588 Total ARIN prefixes after maximum aggregation: 8988 Prefixes being announced from the ARIN address blocks: 738 Unique aggregates announced from the ARIN address blocks: 40 ARIN Region origin ASes present in the Internet Routing Table: 8946 ARIN Region origin ASes announcing only one prefix: 3183 ARIN Region transit ASes present in the Internet Routing Table: 873 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: 23987 Total RIPE prefixes after maximum aggregation: 5244 Prefixes being announced from the RIPE address blocks: 19 Unique aggregates announced from the RIPE address blocks: 11 RIPE Region origin ASes present in the Internet Routing Table: 5234 RIPE Region origin ASes announcing only one prefix: 2811 RIPE Region transit ASes present in the Internet Routing Table: 900 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 153600 Equivalent to 0 /8s, 2 /16s and 88 /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, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5594 Total LACNIC prefixes after maximum aggregation: 361 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: 361 LACNIC Region origin ASes announcing only one prefix: 98 LACNIC Region transit ASes present in the Internet Routing Table: 74 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: 1184 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: 24 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: 19 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 1016 0 1 Telstra Pty Ltd 4134 654 34 5 Data Communications Bureau 4766 436 0 1 Korea Internet Exchange for " 9583 388 0 1 Satyam Infoway Ltd., 2907 361 0 1 SINET Japan 4755 360 15 68 Videsh Sanchar Nigam Ltd. Aut 9443 351 0 2 Primus Telecommunications 7474 346 0 2 Optus Communications Pty Ltd 703 341 0 2 UUNET 17557 323 0 1 Pakistan Telecom 2764 299 0 1 connect.com.au pty ltd 17676 297 1 3 XTAGE CORPORATION 9800 214 0 1 CHINA UNICOM 9929 209 0 1 China Netcom Corp. 9942 209 0 5 COMindico Australia 9498 192 0 1 BHARTI BT INTERNET LTD. 9304 179 0 1 Hutchison Telecom (HK) 4837 169 0 1 chinanet IDC center beijing n 4804 164 0 1 Microplex PTY LTD 4739 153 0 6 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1386 0 1 AT&T 701 1318 0 1 UUNET Technologies, Inc. 1239 939 0 1 Sprint 3356 852 0 1 Level 3 Communications, LLC 209 722 0 1 Qwest 18566 691 0 1 Covad Communications 4323 683 0 1 Time Warner Communications, I 6197 676 0 1 BellSouth Network Solutions, 20115 604 0 1 Charter Communications 6198 545 0 1 BellSouth Network Solutions, 852 512 0 1 Telus Advanced Communications 7843 491 0 1 Adelphia Corp. 7132 467 0 1 Southwestern Bell Internet Se 2386 431 0 1 AT&T Data Communications Serv 690 397 0 1 Merit Network 27364 388 0 1 Armstrong Cable Services 4355 385 0 1 EarthLink, Inc. 19029 374 0 1 New Edge Networks 6347 366 0 1 SAVVIS Communications Corpora 22909 356 0 1 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 674 0 1 UUNET - Commercial IP service 3301 337 0 1 TeliaNet Sweden 3320 285 0 1 Deutsche Telekom AG 8220 264 0 1 COLT Internet - International 680 242 0 1 DFN-IP service G-WiN 1257 234 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 3246 191 0 1 Song Networks 786 175 0 1 The JANET IP Service 8708 172 0 1 Romania Data Systems S.A. 5515 168 0 1 Sonera Solution Autonomous Sy 25186 165 0 1 France Telecom Transpac's Tra 3215 164 0 1 France Telecom Transpac 5400 150 0 1 BT Ignite European Backbone 3303 137 0 1 Swisscom Ltd 6746 127 0 1 Dynamic Network Technologies, 3269 125 0 1 TELECOM ITALIA 12302 121 0 1 MobiFon S.A. 2856 117 0 1 BTnet UK Regional network 719 115 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 373 0 1 ImpSat 8151 262 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 139 0 1 AVANTEL, S.A. 7303 136 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6147 124 0 1 Telefonica Del Peru 11992 101 0 1 Integrated Systems 11556 87 0 1 Cable-Wireless Panama 8167 80 0 1 TELESC - Telecomunicacoes de 6535 78 0 1 Chilesat Servicios Empresari 15311 78 0 1 Telefonica Empresas 4270 71 0 1 Red de Interconexion Universi 11311 66 0 1 Sinectis S.A. 5639 64 0 1 Telecommunications Services o 7080 64 0 1 Electronica y Comunicaciones 14420 63 0 1 ANDINATEL S.A. 27699 62 0 1 TELECOMUNICACOES DE SAO PAULO 10292 61 0 1 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 0 1 The Internet Solution 5536 105 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 2561 57 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 8524 19 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 8346 14 0 1 SONATEL-AS Autonomous System 17148 14 0 1 First National Bank Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1318 1317 UUNET Technologies, Inc. 1221 1016 1015 Telstra Pty Ltd 1239 939 938 Sprint 3356 852 851 Level 3 Communications, LLC 209 722 721 Qwest 18566 691 690 Covad Communications 4323 683 682 Time Warner Communications, I 6197 676 675 BellSouth Network Solutions, 702 674 673 UUNET - Commercial IP service 4134 654 649 Data Communications Bureau 20115 604 603 Charter Communications 6198 545 544 BellSouth Network Solutions, 852 512 511 Telus Advanced Communications 7843 491 490 Adelphia Corp. 7132 467 466 Southwestern Bell Internet Se 4766 436 435 Korea Internet Exchange for " 2386 431 430 AT&T Data Communications Serv 690 397 396 Merit Network 9583 388 387 Satyam Infoway Ltd., List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65400 PRIVATE 203.14.8.16/24 1290 PSINet UK Ltd. 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 64541 PRIVATE 203.14.8.16/24 22551 Anobi Technology Cor 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 65412 PRIVATE 203.14.8.16/24 4847 China Networks Inter 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 /16:3 /17:7 /18:21 /19:12 /20:21 /21:241 /22:60 /23:444 /24:131570 /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 671 691 Covad Communications 1 31 136 GENUITY 4755 20 360 Videsh Sanchar Nigam Ltd. Aut 3758 11 48 SingNet 4812 4 75 China Telecom (Group) 2647 3 80 SITA 2828 3 121 XO Communications 7474 3 346 Optus Communications Pty Ltd 17430 3 69 Great Wall Broadband Network 2914 2 270 Verio, Inc. 4134 2 654 Data Communications Bureau 5486 2 37 Euronet Digital Communication 17676 2 297 XTAGE CORPORATION 4628 1 51 Pacific Internet Pte Ltd 4657 1 97 Starhub Internet, Singapore 5800 1 3 DISA-Contigency Operations Br 7381 1 13 Sungard Recovery Services, In 7911 1 19 Williams Communications Group 8881 1 15 KomTel routing policies 9506 1 26 Magix Broadband Network Number of /24s announced per /8 block (Global) ---------------------------------------------- 61:7 64:2 65:2 66:1 69:1 192:2 195:1 202:36 203:407 207:3 209:9 210:1 216:14 219:12 End of report