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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Mar 10 19:07:06 CET 2006
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 at lists.apnic.net If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 11 Mar, 2006 Analysis Summary ---------------- BGP routing table entries examined: 183843 Prefixes after maximum aggregation: 102032 Unique aggregates announced to Internet: 89541 Total ASes present in the Internet Routing Table: 21708 Origin-only ASes present in the Internet Routing Table: 18866 Origin ASes announcing only one prefix: 8972 Transit ASes present in the Internet Routing Table: 2842 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 29 Prefixes from unregistered ASNs in the Routing Table: 76 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1509440352 Equivalent to 89 /8s, 248 /16s and 59 /24s Percentage of available address space announced: 40.7 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 89915 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 38692 Total APNIC prefixes after maximum aggregation: 16317 Prefixes being announced from the APNIC address blocks: 36499 Unique aggregates announced from the APNIC address blocks: 17742 APNIC Region origin ASes present in the Internet Routing Table: 2494 APNIC Region origin ASes announcing only one prefix: 698 APNIC Region transit ASes present in the Internet Routing Table: 385 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 217100512 Equivalent to 12 /8s, 240 /16s and 176 /24s Percentage of available APNIC address space announced: 67.9 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: 96344 Total ARIN prefixes after maximum aggregation: 56872 Prefixes being announced from the ARIN address blocks: 75588 Unique aggregates announced from the ARIN address blocks: 28793 ARIN Region origin ASes present in the Internet Routing Table: 10574 ARIN Region origin ASes announcing only one prefix: 3949 ARIN Region transit ASes present in the Internet Routing Table: 981 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 290693888 Equivalent to 17 /8s, 83 /16s and 163 /24s Percentage of available ARIN address space announced: 72.2 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: 36461 Total RIPE prefixes after maximum aggregation: 24431 Prefixes being announced from the RIPE address blocks: 33483 Unique aggregates announced from the RIPE address blocks: 22608 RIPE Region origin ASes present in the Internet Routing Table: 7752 RIPE Region origin ASes announcing only one prefix: 4064 RIPE Region transit ASes present in the Internet Routing Table: 1291 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 241815424 Equivalent to 14 /8s, 105 /16s and 207 /24s Percentage of available RIPE address space announced: 72.1 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: 10305 Total LACNIC prefixes after maximum aggregation: 3524 Prefixes being announced from the LACNIC address blocks: 8467 Unique aggregates announced from the LACNIC address blocks: 5146 LACNIC Region origin ASes present in the Internet Routing Table: 677 LACNIC Region origin ASes announcing only one prefix: 219 LACNIC Region transit ASes present in the Internet Routing Table: 123 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 25835008 Equivalent to 1 /8s, 138 /16s and 54 /24s Percentage of available LACNIC address space announced: 38.5 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: 1960 Total AfriNIC prefixes after maximum aggregation: 888 Prefixes being announced from the AfriNIC address blocks: 1311 Unique aggregates announced from the AfriNIC address blocks: 911 AfriNIC Region origin ASes present in the Internet Routing Table: 146 AfriNIC Region origin ASes announcing only one prefix: 42 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3795712 Equivalent to 0 /8s, 57 /16s and 235 /24s Percentage of available AfriNIC address space announced: 11.3 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 988 6928 208 CHINANET-BACKBONE 4755 874 258 71 Videsh Sanchar Nigam Ltd. Aut 9583 866 109 16 Sify Limited 4766 676 3924 300 Korea Telecom (KIX) 1221 651 1428 469 Telstra Pty Ltd 9498 558 211 71 BHARTI BT INTERNET LTD. 7545 519 108 70 TPG Internet Pty Ltd 17488 516 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 371 75 166 Wantree Development 2907 334 1748 312 SINET Japan 18101 332 68 23 Reliance Infocom Ltd Internet 17974 330 77 40 PT TELEKOMUNIKASI INDONESIA 9929 326 216 53 China Netcom Corp. 17557 319 25 163 Pakistan Telecom 17849 315 20 104 Telecommunications Technology 7474 303 211 230 SingTel Optus Pty Ltd 4780 281 226 16 Digital United Inc. 9837 273 78 169 Powertel Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1500 6248 963 AT&T WorldNet Services 4323 1229 711 235 Time Warner Telecom 721 1010 21946 307 DLA Systems Automation Center 6197 1002 617 467 BellSouth Network Solutions, 174 974 5784 919 Cogent Communications 701 948 8064 784 UUNET Technologies, Inc. 18566 918 272 8 Covad Communications 2386 869 520 661 AT&T Data Communications Serv 1239 855 2790 603 Sprint 19029 777 152 113 New Edge Networks 209 697 3608 542 Qwest 20115 669 585 361 Charter Communications 19262 661 1933 155 Verizon Global Networks 22773 639 1480 40 Cox Communications, Inc. 11492 636 86 20 Cable One 7011 597 208 387 Citizens Utilities 6198 584 502 238 BellSouth Network Solutions, 852 576 1088 383 Telus Advanced Communications 855 566 244 64 Canadian Research Network 19916 563 49 54 OLM LLC RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 581 1951 457 UUNET - Commercial IP service 3301 306 1071 291 TeliaNet Sweden 3352 306 1548 32 Ibernet, Internet Access Netw 8220 289 475 268 COLT Telecommunications 3320 279 3477 232 Deutsche Telekom AG 680 244 2025 241 DFN-IP service G-WiN 3246 230 488 220 Song Networks 6746 224 88 196 Dynamic Network Technologies, 8708 219 274 202 Romania Data Systems S.A. 1257 204 712 173 SWIPnet Swedish IP Network 8551 202 197 24 Bezeq International 3269 191 2037 73 TELECOM ITALIA 3215 182 1502 87 France Telecom Transpac 5515 177 839 124 Sonera Solution Autonomous Sy 24863 176 40 9 LINKdotNET AS number 786 174 1795 174 The JANET IP Service 5400 167 328 136 BT Ignite European Backbone 8866 167 37 13 Bulgarian Telecommunication C 6830 166 765 35 UPC Distribution Services 3300 163 170 91 AUCS Communications Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 582 1050 228 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 311 111 82 Servicios Alestra S.A de C.V 16814 290 18 7 NSS, S.A. 14117 184 11 6 Telefonica del Sur S.A. 7303 159 75 20 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 131 80 4 Cable-Wireless Panama 6503 123 149 76 AVANTEL, S.A. 19169 123 8 30 Telconet 5639 122 12 9 Telecommunications Services o 10481 121 48 8 Prima S.A. 21826 120 16 19 INTERCABLE 6505 106 88 78 Global One Communicaoes Ltda 23216 101 20 7 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 14522 98 12 8 SatNet S.A. 25620 97 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 19429 95 52 42 E.T.B. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 278 819 234 The Internet Solution 8452 163 60 7 TEDATA 15475 123 84 4 Nile Online 2018 122 298 103 Tertiary Education Network 5536 122 8 18 Internet Egypt Network 6713 106 103 12 Itissalat Al-MAGHRIB 2905 74 155 67 The Internetworking Company o 24835 62 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 12455 26 6 3 Jambonet Autonomous system 23889 26 8 11 MAURITIUS TELECOM 8524 25 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 22 4 4 Swift Global Kenya Ltd.Is an 8346 20 13 17 SONATEL-AS Autonomous System 2561 19 6 2 Egyptian Universities Network Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1229 994 Time Warner Telecom 18566 918 910 Covad Communications 9583 866 850 Sify Limited 4755 874 803 Videsh Sanchar Nigam Ltd. Aut 4134 988 780 CHINANET-BACKBONE 721 1010 703 DLA Systems Automation Center 19029 777 664 New Edge Networks 11492 636 616 Cable One 22773 639 599 Cox Communications, Inc. 6197 1002 535 BellSouth Network Solutions, 19916 563 509 OLM LLC 17488 516 509 Hathway IP Over Cable Interne 19262 661 506 Verizon Global Networks 855 566 502 Canadian Research Network 5668 520 495 CenturyTel Internet Holdings, 9498 558 487 BHARTI BT INTERNET LTD. 7757 471 452 AT&T Broadband 7545 519 449 TPG Internet Pty Ltd 3602 531 422 Sprint Canada, Inc. 812 438 410 Rogers WAVE List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65211 PRIVATE 61.139.76.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.139.77.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.9.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.176.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.177.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.178.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.179.0/24 4134 CHINANET-BACKBONE 35650 UNALLOCATED 87.117.64.0/18 16238 AS for Coulomb 65211 PRIVATE 125.64.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.1.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.14.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.15.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.30.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.32.0/21 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.40.0/26 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65518 PRIVATE 211.144.192.0/19 24421 * 65211 PRIVATE 218.6.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.173.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.174.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.175.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.196.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.197.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.198.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.166.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.167.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.172.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.1.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.4.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.5.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.6.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.7.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.8.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.9.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.10.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.11.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.14.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.17.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.18.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.20.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.21.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.128/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.192/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.23.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.24.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.26.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.27.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.28.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.29.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.211.63.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.213.0.0/24 4134 CHINANET-BACKBONE 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 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 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 /8:18 /9:9 /10:8 /11:25 /12:87 /13:197 /14:351 /15:693 /16:8730 /17:3106 /18:5128 /19:11389 /20:12709 /21:10937 /22:14071 /23:15235 /24:100174 /25:365 /26:242 /27:214 /28:66 /29:24 /30:33 /31:0 /32:32 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 901 918 Covad Communications 6197 793 1002 BellSouth Network Solutions, 7018 790 1500 AT&T WorldNet Services 19029 705 777 New Edge Networks 9583 685 866 Sify Limited 11492 627 636 Cable One 2386 594 869 AT&T Data Communications Serv 4323 594 1229 Time Warner Telecom 19916 557 563 OLM LLC 7011 511 597 Citizens Utilities 4766 485 676 Korea Telecom (KIX) 7757 453 471 AT&T Broadband 6198 444 584 BellSouth Network Solutions, 855 440 566 Canadian Research Network 5668 402 520 CenturyTel Internet Holdings, 1239 376 855 Sprint 702 365 581 UUNET - Commercial IP service 15270 352 382 PaeTec.net -a division of Pae 6517 342 371 Yipes Communications, Inc. 22773 335 639 Cox Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:38 12:1626 13:1 15:12 16:3 17:3 18:4 20:43 24:865 25:1 30:2 32:66 38:205 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:121 59:172 60:187 61:825 62:782 63:1898 64:3115 65:2221 66:3079 67:608 68:678 69:1440 70:308 71:59 72:642 73:23 74:22 80:763 81:616 82:526 83:380 84:337 85:463 86:372 87:233 88:33 89:64 124:185 125:278 128:152 129:173 130:102 131:319 132:31 133:8 134:146 135:47 136:174 137:65 138:192 139:73 140:485 141:134 142:414 143:147 144:226 145:39 146:310 147:134 148:336 149:184 150:112 151:78 152:62 153:102 154:6 155:194 156:94 157:121 158:164 159:165 160:87 161:70 162:231 163:144 164:179 165:171 166:147 167:238 168:485 169:140 170:322 171:12 172:1 190:37 192:5764 193:3413 194:2527 195:1781 196:773 198:3893 199:3260 200:4211 201:616 202:6531 203:6894 204:3925 205:2086 206:2424 207:2923 208:2020 209:3751 210:1955 211:821 212:1242 213:1478 214:341 215:42 216:4113 217:1162 218:254 219:142 220:642 221:372 222:159 End of report
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