This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 08 Apr, 2006 Analysis Summary ---------------- BGP routing table entries examined: 187421 Prefixes after maximum aggregation: 102941 Unique aggregates announced to Internet: 90857 Total ASes present in the Internet Routing Table: 21897 Origin-only ASes present in the Internet Routing Table: 19024 Origin ASes announcing only one prefix: 9061 Transit ASes present in the Internet Routing Table: 2873 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 24 Prefixes from unregistered ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1502183520 Equivalent to 89 /8s, 137 /16s and 128 /24s Percentage of available address space announced: 40.5 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 92822 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 39029 Total APNIC prefixes after maximum aggregation: 16361 Prefixes being announced from the APNIC address blocks: 36722 Unique aggregates announced from the APNIC address blocks: 18056 APNIC Region origin ASes present in the Internet Routing Table: 2535 APNIC Region origin ASes announcing only one prefix: 719 APNIC Region transit ASes present in the Internet Routing Table: 387 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 221179616 Equivalent to 13 /8s, 46 /16s and 238 /24s Percentage of available APNIC address space announced: 69.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 97090 Total ARIN prefixes after maximum aggregation: 57356 Prefixes being announced from the ARIN address blocks: 76154 Unique aggregates announced from the ARIN address blocks: 29160 ARIN Region origin ASes present in the Internet Routing Table: 10619 ARIN Region origin ASes announcing only one prefix: 3973 ARIN Region transit ASes present in the Internet Routing Table: 982 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293939456 Equivalent to 17 /8s, 133 /16s and 41 /24s Percentage of available ARIN address space announced: 73.0 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 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, 29696-30719, 31744-33791 35840-36863 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 36920 Total RIPE prefixes after maximum aggregation: 24732 Prefixes being announced from the RIPE address blocks: 33967 Unique aggregates announced from the RIPE address blocks: 22985 RIPE Region origin ASes present in the Internet Routing Table: 7844 RIPE Region origin ASes announcing only one prefix: 4098 RIPE Region transit ASes present in the Internet Routing Table: 1308 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 243229824 Equivalent to 14 /8s, 127 /16s and 100 /24s Percentage of available RIPE address space announced: 72.5 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 12256 Total LACNIC prefixes after maximum aggregation: 3605 Prefixes being announced from the LACNIC address blocks: 10399 Unique aggregates announced from the LACNIC address blocks: 5305 LACNIC Region origin ASes present in the Internet Routing Table: 683 LACNIC Region origin ASes announcing only one prefix: 226 LACNIC Region transit ASes present in the Internet Routing Table: 128 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 26375936 Equivalent to 1 /8s, 146 /16s and 119 /24s Percentage of available LACNIC address space announced: 39.3 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 2116 Total AfriNIC prefixes after maximum aggregation: 887 Prefixes being announced from the AfriNIC address blocks: 1455 Unique aggregates announced from the AfriNIC address blocks: 920 AfriNIC Region origin ASes present in the Internet Routing Table: 150 AfriNIC Region origin ASes announcing only one prefix: 45 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4033536 Equivalent to 0 /8s, 61 /16s and 140 /24s Percentage of available AfriNIC address space announced: 12.0 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 1010 6915 207 CHINANET-BACKBONE 4755 896 258 68 Videsh Sanchar Nigam Ltd. Aut 9583 874 109 16 Sify Limited 4766 680 3924 305 Korea Telecom (KIX) 1221 622 1557 476 Telstra Pty Ltd 9498 565 212 72 BHARTI BT INTERNET LTD. 7545 529 108 71 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 421 95 82 Primus Telecommunications 4802 378 77 172 Wantree Development 2907 336 1749 312 SINET Japan 18101 336 69 25 Reliance Infocom Ltd Internet 17974 325 118 25 PT TELEKOMUNIKASI INDONESIA 17849 323 21 106 Telecommunications Technology 17557 322 27 165 Pakistan Telecom 9929 317 220 55 China Netcom Corp. 7474 299 211 230 SingTel Optus Pty Ltd 9800 268 410 67 CHINA UNICOM 9837 268 77 164 Powertel Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1510 6258 968 AT&T WorldNet Services 4323 1253 716 250 Time Warner Telecom 721 1017 21962 307 DLA Systems Automation Center 6197 1010 615 471 BellSouth Network Solutions, 174 955 5783 901 Cogent Communications 701 934 8047 774 UUNET Technologies, Inc. 18566 928 272 8 Covad Communications 2386 874 537 666 AT&T Data Communications Serv 1239 851 2796 605 Sprint 19029 781 151 109 New Edge Networks 209 715 3616 560 Qwest 20115 674 591 362 Charter Communications 19262 669 1977 156 Verizon Global Networks 22773 642 1484 41 Cox Communications, Inc. 11492 627 86 20 Cable One 7011 623 213 404 Citizens Utilities 6198 588 530 236 BellSouth Network Solutions, 852 586 1089 388 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 552 244 64 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 584 1951 457 UUNET - Commercial IP service 3301 308 1071 292 TeliaNet Sweden 3352 308 1580 31 Ibernet, Internet Access Netw 8220 288 473 267 COLT Telecommunications 3320 282 3476 234 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 227 89 201 Dynamic Network Technologies, 8708 215 275 200 Romania Data Systems S.A. 8551 202 198 24 Bezeq International 24863 200 40 9 LINKdotNET AS number 1257 198 711 173 SWIPnet Swedish IP Network 3269 197 2086 76 TELECOM ITALIA 3215 191 1598 89 France Telecom Transpac 8866 175 37 15 Bulgarian Telecommunication C 786 171 1778 171 The JANET IP Service 5400 169 329 138 BT Ignite European Backbone 9121 168 931 27 TTnet Autonomous System 6830 167 765 35 UPC Distribution Services 5515 161 839 120 Sonera Solution Autonomous Sy LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 2177 1104 234 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 321 110 84 Servicios Alestra S.A de C.V 16814 276 18 7 NSS, S.A. 14117 189 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 159 75 20 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 132 80 4 Cable-Wireless Panama 5639 128 12 9 Telecommunications Services o 19169 124 8 30 Telconet 21826 124 16 21 INTERCABLE 6503 123 149 75 AVANTEL, S.A. 14259 114 10 12 GTD Internet S.A. 18822 114 8 10 TELEFONICA MANQUEHUE 6505 106 88 78 Global One Communicaoes Ltda 23216 102 21 9 RAMtelecom Telecomunicaciones 7315 96 6 3 Grupo Rey Moreno 25620 96 6 3 COTAS LTDA 14522 94 13 5 SatNet S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 277 803 232 The Internet Solution 8452 166 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 15475 129 84 4 Nile Online 2018 124 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 114 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 12455 44 6 3 Jambonet Autonomous system 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 24 14 22 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 20 13 17 SONATEL-AS Autonomous System 2561 19 6 2 Egyptian Universities Network 21280 19 5 5 Swift Global Kenya Ltd.Is an Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1253 1003 Time Warner Telecom 18566 928 920 Covad Communications 9583 874 858 Sify Limited 4755 896 828 Videsh Sanchar Nigam Ltd. Aut 4134 1010 803 CHINANET-BACKBONE 721 1017 710 DLA Systems Automation Center 19029 781 672 New Edge Networks 11492 627 607 Cable One 22773 642 601 Cox Communications, Inc. 7018 1510 542 AT&T WorldNet Services 6197 1010 539 BellSouth Network Solutions, 19262 669 513 Verizon Global Networks 19916 563 509 OLM LLC 5668 532 502 CenturyTel Internet Holdings, 17488 501 494 Hathway IP Over Cable Interne 9498 565 493 BHARTI BT INTERNET LTD. 855 552 488 Canadian Research Network 7545 529 458 TPG Internet Pty Ltd 7757 476 457 AT&T Broadband 3602 539 430 Sprint Canada, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 43144 UNALLOCATED 12.149.157.0/24 7018 AT&T WorldNet Servic 65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 24808 UNALLOCATED 217.78.74.0/23 12491 IPPlanet 24808 UNALLOCATED 217.78.76.0/23 12491 IPPlanet 65412 PRIVATE 221.123.128.0/20 24405 Beijing CJWX Communi Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 183.206.196.0/24 2188 FR-RENATER-ASTER 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.172.0.0/19 721 DLA Systems Automation Center Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:9 /10:8 /11:27 /12:88 /13:200 /14:357 /15:693 /16:8776 /17:3165 /18:5210 /19:11484 /20:12931 /21:11158 /22:14333 /23:15446 /24:102489 /25:367 /26:251 /27:219 /28:64 /29:62 /30:34 /31:0 /32:33 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 1782 2177 UniNet S.A. de C.V. 18566 911 928 Covad Communications 7018 800 1510 AT&T WorldNet Services 6197 799 1010 BellSouth Network Solutions, 19029 713 781 New Edge Networks 9583 695 874 Sify Limited 11492 618 627 Cable One 4323 604 1253 Time Warner Telecom 2386 594 874 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 535 623 Citizens Utilities 4766 489 680 Korea Telecom (KIX) 7757 458 476 AT&T Broadband 6198 441 588 BellSouth Network Solutions, 855 426 552 Canadian Research Network 5668 412 532 CenturyTel Internet Holdings, 1239 376 851 Sprint 15270 368 399 PaeTec.net -a division of Pae 702 365 584 UUNET - Commercial IP service 6517 349 377 Yipes Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:44 12:1621 13:1 15:12 16:3 17:3 18:4 20:43 24:883 25:1 30:2 32:68 38:209 40:54 44:3 45:5 47:6 52:4 55:1 56:3 57:33 58:150 59:194 60:178 61:841 62:826 63:1903 64:3124 65:2226 66:3071 67:616 68:685 69:1466 70:319 71:75 72:673 73:23 74:29 80:756 81:611 82:560 83:386 84:379 85:509 86:340 87:297 88:56 89:126 124:211 125:300 128:166 129:177 130:107 131:317 132:32 133:8 134:150 135:47 136:174 137:71 138:198 139:67 140:468 141:134 142:394 143:161 144:229 145:41 146:324 147:133 148:347 149:189 150:114 151:80 152:64 153:107 154:6 155:195 156:100 157:125 158:165 159:171 160:85 161:69 162:251 163:145 164:179 165:184 166:165 167:241 168:480 169:134 170:329 171:12 172:1 183:1 190:51 192:5772 193:3395 194:2569 195:1794 196:856 198:3879 199:3266 200:4304 201:2236 202:6539 203:6891 204:3961 205:2101 206:2420 207:2932 208:2029 209:3726 210:1912 211:704 212:1228 213:1447 214:334 215:41 216:4099 217:1166 218:242 219:170 220:647 221:353 222:152 End of report