Routing Table Report 04:00 +10GMT Sat 06 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 132429 Prefixes after maximum aggregation: 16792 Unique aggregates announced to Internet: 199 Total ASes present in the Internet Routing Table: 16688 Origin-only ASes present in the Internet Routing Table: 14480 Origin ASes announcing only one prefix: 6722 Transit ASes present in the Internet Routing Table: 2208 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 32 Illegal AS announcements present in the Routing Table: 18 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 665857 Equivalent to 0 /8s, 10 /16s and 41 /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: 780 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25011 Total APNIC prefixes after maximum aggregation: 2103 Prefixes being announced from the APNIC address blocks: 131624 Unique aggregates announced from the APNIC address blocks: 145 APNIC Region origin ASes present in the Internet Routing Table: 2000 APNIC Region origin ASes announcing only one prefix: 604 APNIC Region transit ASes present in the Internet Routing Table: 323 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 506625 Equivalent to 0 /8s, 7 /16s and 187 /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: 76640 Total ARIN prefixes after maximum aggregation: 8990 Prefixes being announced from the ARIN address blocks: 758 Unique aggregates announced from the ARIN address blocks: 46 ARIN Region origin ASes present in the Internet Routing Table: 8937 ARIN Region origin ASes announcing only one prefix: 3177 ARIN Region transit ASes present in the Internet Routing Table: 875 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 36352 Equivalent to 0 /8s, 0 /16s and 142 /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: 23953 Total RIPE prefixes after maximum aggregation: 5247 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 5238 RIPE Region origin ASes announcing only one prefix: 2820 RIPE Region transit ASes present in the Internet Routing Table: 896 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 122880 Equivalent to 0 /8s, 1 /16s and 224 /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: 5617 Total LACNIC prefixes after maximum aggregation: 362 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: 362 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: 2 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: 23 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 655 35 6 Data Communications Bureau 4766 436 0 1 Korea Internet Exchange for " 9583 389 0 1 Satyam Infoway Ltd., 4755 365 13 51 Videsh Sanchar Nigam Ltd. Aut 2907 361 0 1 SINET Japan 9443 351 0 2 Primus Telecommunications 7474 346 0 2 Optus Communications Pty Ltd 703 337 0 2 UUNET 17557 328 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 191 0 1 BHARTI BT INTERNET LTD. 9304 177 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 1387 0 1 AT&T 701 1319 0 1 UUNET Technologies, Inc. 1239 940 0 1 Sprint 3356 849 0 1 Level 3 Communications, LLC 209 722 0 1 Qwest 4323 694 0 1 Time Warner Communications, I 18566 691 0 1 Covad Communications 6197 676 0 1 BellSouth Network Solutions, 20115 605 0 1 Charter Communications 6198 545 0 1 BellSouth Network Solutions, 852 511 0 1 Telus Advanced Communications 7843 491 0 1 Adelphia Corp. 7132 466 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 379 0 1 New Edge Networks 6347 367 0 1 SAVVIS Communications Corpora 22909 354 0 1 Comcast Cable Corporation RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 676 0 1 UUNET - Commercial IP service 3301 337 0 1 TeliaNet Sweden 3320 285 0 1 Deutsche Telekom AG 8220 262 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 128 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 140 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 88 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 70 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 104 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 90 0 1 The Internetworking Company o 2561 56 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 1319 1318 UUNET Technologies, Inc. 1221 1016 1015 Telstra Pty Ltd 1239 940 939 Sprint 3356 849 848 Level 3 Communications, LLC 209 722 721 Qwest 4323 694 693 Time Warner Communications, I 18566 691 690 Covad Communications 702 676 675 UUNET - Commercial IP service 6197 676 675 BellSouth Network Solutions, 4134 655 649 Data Communications Bureau 20115 605 604 Charter Communications 6198 545 544 BellSouth Network Solutions, 852 511 510 Telus Advanced Communications 7843 491 490 Adelphia Corp. 7132 466 465 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 389 388 Satyam Infoway Ltd., List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 32123 UNALLOCATED 203.14.8.16/24 701 UUNET Technologies, 32063 UNALLOCATED 203.14.8.16/24 4323 Time Warner Communic 65400 PRIVATE 203.14.8.16/24 1290 PSINet UK Ltd. 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 32123 UNALLOCATED 203.14.8.16/24 701 UUNET Technologies, 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 /15:0 /16:2 /17:7 /18:22 /19:13 /20:24 /21:237 /22:58 /23:445 /24:131618 /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 31 137 GENUITY 4755 17 365 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 8584 3 54 Barak AS 10434 3 36 Satellite Communication Syste 14092 3 3 NJ Internet Access 17430 3 69 Great Wall Broadband Network 2914 2 270 Verio, Inc. 4134 2 655 Data Communications Bureau 17676 2 297 XTAGE CORPORATION 26173 2 2 Latin American and Caribbean 30913 2 2 InterXS IP Network 4628 1 51 Pacific Internet Pte Ltd 7381 1 13 Sungard Recovery Services, In 7911 1 19 Williams Communications Group Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:6 62:1 63:2 64:2 65:5 66:1 69:2 192:5 194:1 195:1 196:2 199:1 202:32 203:446 204:1 207:3 209:9 210:1 216:15 219:9 End of report