Routing Table Report 04:00 +10GMT Mon 10 May, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135692 Prefixes after maximum aggregation: 17230 Unique aggregates announced to Internet: 267 Total ASes present in the Internet Routing Table: 17093 Origin-only ASes present in the Internet Routing Table: 14821 Origin ASes announcing only one prefix: 6903 Transit ASes present in the Internet Routing Table: 2272 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: 27 Illegal AS announcements present in the Routing Table: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 0 Number of addresses announced to Internet: 764161 Equivalent to 0 /8s, 11 /16s and 169 /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: 135621 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 26071 Total APNIC prefixes after maximum aggregation: 2156 Prefixes being announced from the APNIC address blocks: 134845 Unique aggregates announced from the APNIC address blocks: 186 APNIC Region origin ASes present in the Internet Routing Table: 2027 APNIC Region origin ASes announcing only one prefix: 616 APNIC Region transit ASes present in the Internet Routing Table: 326 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 616705 Equivalent to 0 /8s, 9 /16s and 105 /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: 77665 Total ARIN prefixes after maximum aggregation: 9192 Prefixes being announced from the ARIN address blocks: 809 Unique aggregates announced from the ARIN address blocks: 73 ARIN Region origin ASes present in the Internet Routing Table: 9112 ARIN Region origin ASes announcing only one prefix: 3250 ARIN Region transit ASes present in the Internet Routing Table: 898 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 32768 Equivalent to 0 /8s, 0 /16s and 128 /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: 25034 Total RIPE prefixes after maximum aggregation: 5423 Prefixes being announced from the RIPE address blocks: 15 Unique aggregates announced from the RIPE address blocks: 8 RIPE Region origin ASes present in the Internet Routing Table: 5420 RIPE Region origin ASes announcing only one prefix: 2912 RIPE Region transit ASes present in the Internet Routing Table: 940 Average RIPE Region AS path length visible: 7.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 114688 Equivalent to 0 /8s, 1 /16s and 192 /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, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5759 Total LACNIC prefixes after maximum aggregation: 367 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: 367 LACNIC Region origin ASes announcing only one prefix: 102 LACNIC Region transit ASes present in the Internet Routing Table: 71 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: 1152 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: 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: 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 991 0 1 Telstra Pty Ltd 4134 761 33 5 Data Communications Bureau 4766 468 0 1 Korea Internet Exchange for " 9583 464 0 1 Satyam Infoway Ltd., 9443 358 0 2 Primus Telecommunications 4755 356 8 56 Videsh Sanchar Nigam Ltd. Aut 2907 353 0 1 SINET Japan 7474 350 0 2 Optus Communications Pty Ltd 17676 341 1 3 XTAGE CORPORATION 9929 333 0 1 China Netcom Corp. 703 332 0 2 UUNET 17557 323 0 1 Pakistan Telecom 2764 295 0 1 connect.com.au pty ltd 9800 218 0 1 CHINA UNICOM 9942 198 0 5 COMindico Australia 9498 191 0 2 BHARTI BT INTERNET LTD. 9304 183 0 1 Hutchison Telecom (HK) 4837 180 0 1 chinanet IDC center beijing n 4804 174 0 1 Microplex PTY LTD 7633 159 0 1 Software Technology Parks of ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1437 0 1 AT&T 701 1297 0 1 UUNET Technologies, Inc. 1239 943 0 1 Sprint 3356 896 0 1 Level 3 Communications, LLC 209 739 0 1 Qwest 4323 719 0 1 Time Warner Communications, I 18566 701 0 1 Covad Communications 6197 695 0 1 BellSouth Network Solutions, 6198 564 0 1 BellSouth Network Solutions, 20115 517 0 1 Charter Communications 852 511 0 1 Telus Advanced Communications 7843 500 0 1 Adelphia Corp. 7132 451 0 1 Southwestern Bell Internet Se 2386 425 0 1 AT&T Data Communications Serv 6347 401 0 1 SAVVIS Communications Corpora 705 399 0 1 UUNET Technologies, Inc. 22909 387 0 1 Comcast Cable Corporation 4355 381 0 1 EarthLink, Inc. 5668 380 0 1 Century Telephone 22773 370 0 1 Cox Communications, Inc. Atla RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 652 0 1 UUNET - Commercial IP service 3320 295 0 1 Deutsche Telekom AG 3301 269 0 1 TeliaNet Sweden 8220 267 0 1 COLT Internet - International 680 244 0 1 DFN-IP service G-WiN 1257 243 0 1 SWIPnet Swedish IP Network 13083 216 0 1 Mannesmann Datenverarbeitung 5515 201 0 1 Sonera Solution Autonomous Sy 3246 200 0 1 Song Networks 3215 177 0 1 France Telecom Transpac 786 175 0 1 The JANET IP Service 25186 175 0 1 France Telecom Transpac's Tra 8708 174 0 1 Romania Data Systems S.A. 5400 153 0 1 BT Ignite European Backbone 6746 138 0 1 Dynamic Network Technologies, 3269 134 0 1 TELECOM ITALIA 3303 130 0 1 Swisscom Ltd 12302 122 0 1 MobiFon S.A. 1273 119 0 1 Cable & Wireless Deutschland 719 113 0 1 LANLINK autonomous system LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 382 0 1 ImpSat 8151 270 0 1 UniNet S.A. de C.V. 11172 211 0 1 Servicios Alestra S.A de C.V 16814 171 0 1 NSS, S.A. 6147 156 0 1 Telefonica Del Peru 7303 142 0 1 Telecom Argentina Stet-France 6505 133 0 1 Global One Communicaoes Ltda 6503 129 0 1 AVANTEL, S.A. 11556 88 0 1 Cable-Wireless Panama 11992 88 0 1 Integrated Systems 6535 80 0 1 Chilesat Servicios Empresari 15311 74 0 1 Telefonica Empresas 14535 71 0 1 Techtel S.A. 4270 70 0 1 Red de Interconexion Universi 14420 70 0 1 ANDINATEL S.A. 11311 69 0 1 Sinectis S.A. 14259 69 0 1 GTD Internet S.A. 7080 64 0 1 Electronica y Comunicaciones 10292 64 0 1 TELECOMMUNICATIONS OF JAMAICA 5639 62 0 1 Telecommunications Services o AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 254 0 1 The Internet Solution 5536 106 0 1 Internet Egypt Network 2018 94 0 1 Tertiary Education Network 2905 89 0 1 The Internetworking Company o 11845 36 0 1 Data Pro Business Online 24835 31 0 1 RAYA Telecom - Egypt 9129 29 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 13 0 1 SONATEL-AS Autonomous System 15808 13 0 1 Communication Solutions Ltd i 17148 13 0 1 First National Bank 2609 12 0 1 Tunisia BackBone AS Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 0 0 65533 * 701 1297 1296 UUNET Technologies, Inc. 1221 991 990 Telstra Pty Ltd 1239 943 942 Sprint 3356 896 895 Level 3 Communications, LLC 4134 761 756 Data Communications Bureau 209 739 738 Qwest 4323 719 718 Time Warner Communications, I 18566 701 700 Covad Communications 6197 695 694 BellSouth Network Solutions, 702 652 651 UUNET - Commercial IP service 6198 564 563 BellSouth Network Solutions, 20115 517 516 Charter Communications 852 511 510 Telus Advanced Communications 7843 500 499 Adelphia Corp. 4766 468 467 Korea Internet Exchange for " 9583 464 463 Satyam Infoway Ltd., 7132 451 450 Southwestern Bell Internet Se 2386 425 424 AT&T Data Communications Serv 6347 401 400 SAVVIS Communications Corpora List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 18416 UNALLOCATED 203.14.8.16/24 9919 New Century InfoComm 1877 UNALLOCATED 203.14.8.16/24 1876 Southern Methodist U 18412 UNALLOCATED 203.14.8.16/24 9674 Far EastTone Telecom 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 30306 UNALLOCATED 203.14.8.16/24 21242 Menasat - GDBC ,Glob 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 /16:5 /17:7 /18:26 /19:9 /20:19 /21:239 /22:54 /23:452 /24:134877 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7018 1437 1437 AT&T 701 1297 1297 UUNET Technologies, Inc. 1221 991 991 Telstra Pty Ltd 1239 943 943 Sprint 3356 896 896 Level 3 Communications, LLC 4134 759 761 Data Communications Bureau 209 739 739 Qwest 4323 719 719 Time Warner Communications, I 6197 695 695 BellSouth Network Solutions, 18566 691 701 Covad Communications 702 652 652 UUNET - Commercial IP service 6198 564 564 BellSouth Network Solutions, 20115 517 517 Charter Communications 852 511 511 Telus Advanced Communications 7843 500 500 Adelphia Corp. 4766 468 468 Korea Internet Exchange for " 9583 464 464 Satyam Infoway Ltd., 7132 451 451 Southwestern Bell Internet Se 2386 425 425 AT&T Data Communications Serv 6347 401 401 SAVVIS Communications Corpora Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:1 61:4 63:1 64:13 65:4 67:2 69:1 146:2 192:3 193:1 195:1 198:9 202:36 203:3665 206:14 207:10 208:8 209:10 211:1 216:14 218:4 219:1 End of report