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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Jan 13 19:06:46 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 14 Jan, 2006 Analysis Summary ---------------- BGP routing table entries examined: 178241 Prefixes after maximum aggregation: 100088 Unique aggregates announced to Internet: 86613 Total ASes present in the Internet Routing Table: 21314 Origin-only ASes present in the Internet Routing Table: 18535 Origin ASes announcing only one prefix: 8793 Transit ASes present in the Internet Routing Table: 2779 Transit-only ASes present in the Internet Routing Table: 70 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1479800576 Equivalent to 88 /8s, 51 /16s and 247 /24s Percentage of available address space announced: 39.9 Percentage of allocated address space announced: 58.9 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 86075 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 37421 Total APNIC prefixes after maximum aggregation: 15858 Prefixes being announced from the APNIC address blocks: 35204 Unique aggregates announced from the APNIC address blocks: 17260 APNIC Region origin ASes present in the Internet Routing Table: 2459 APNIC Region origin ASes announcing only one prefix: 695 APNIC Region transit ASes present in the Internet Routing Table: 380 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 210417088 Equivalent to 12 /8s, 138 /16s and 181 /24s Percentage of available APNIC address space announced: 65.8 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: 93767 Total ARIN prefixes after maximum aggregation: 56293 Prefixes being announced from the ARIN address blocks: 73107 Unique aggregates announced from the ARIN address blocks: 28060 ARIN Region origin ASes present in the Internet Routing Table: 10429 ARIN Region origin ASes announcing only one prefix: 3880 ARIN Region transit ASes present in the Internet Routing Table: 964 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 282273280 Equivalent to 16 /8s, 211 /16s and 38 /24s Percentage of available ARIN address space announced: 70.1 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: 35082 Total RIPE prefixes after maximum aggregation: 23659 Prefixes being announced from the RIPE address blocks: 32064 Unique aggregates announced from the RIPE address blocks: 21437 RIPE Region origin ASes present in the Internet Routing Table: 7550 RIPE Region origin ASes announcing only one prefix: 3961 RIPE Region transit ASes present in the Internet Routing Table: 1246 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 229596032 Equivalent to 13 /8s, 175 /16s and 91 /24s Percentage of available RIPE address space announced: 68.4 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: 10127 Total LACNIC prefixes after maximum aggregation: 3418 Prefixes being announced from the LACNIC address blocks: 8320 Unique aggregates announced from the LACNIC address blocks: 4826 LACNIC Region origin ASes present in the Internet Routing Table: 662 LACNIC Region origin ASes announcing only one prefix: 213 LACNIC Region transit ASes present in the Internet Routing Table: 124 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 23623168 Equivalent to 1 /8s, 104 /16s and 118 /24s Percentage of available LACNIC address space announced: 35.2 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: 1838 Total AfriNIC prefixes after maximum aggregation: 860 Prefixes being announced from the AfriNIC address blocks: 1197 Unique aggregates announced from the AfriNIC address blocks: 843 AfriNIC Region origin ASes present in the Internet Routing Table: 143 AfriNIC Region origin ASes announcing only one prefix: 44 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: 12 Number of AfriNIC addresses announced to Internet: 2972672 Equivalent to 0 /8s, 45 /16s and 92 /24s Percentage of available AfriNIC address space announced: 8.9 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 995 6450 206 CHINANET-BACKBONE 9583 837 109 14 Sify Limited 4755 777 258 63 Videsh Sanchar Nigam Ltd. Aut 4766 717 3929 300 Korea Telecom (KIX) 1221 665 1364 471 Telstra Pty Ltd 7545 514 108 70 TPG Internet Pty Ltd 9498 495 211 68 BHARTI BT INTERNET LTD. 17676 477 6901 102 Softbank BB Corp. 17488 436 26 9 Hathway IP Over Cable Interne 9443 399 89 85 Primus Telecommunications 4802 356 74 160 Wantree Development 2907 338 1763 315 SINET Japan 9929 332 217 50 China Netcom Corp. 7474 329 227 227 SingTel Optus Pty Ltd 18101 326 68 23 Reliance Infocom Ltd Internet 17974 310 73 36 PT TELEKOMUNIKASI INDONESIA 17557 306 24 160 Pakistan Telecom 4780 283 226 16 Digital United Inc. 9837 271 78 169 Powertel Ltd 9800 256 410 67 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1471 6297 959 AT&T WorldNet Services 4323 1202 723 235 Time Warner Telecom 174 1042 5825 959 Cogent Communications 721 1031 21938 308 DLA Systems Automation Center 6197 970 435 505 BellSouth Network Solutions, 701 969 8099 812 UUNET Technologies, Inc. 18566 891 272 8 Covad Communications 2386 876 500 684 AT&T Data Communications Serv 1239 850 2805 606 Sprint 209 661 3606 529 Qwest 20115 657 537 339 Charter Communications 11492 642 89 12 Cable One 22773 606 1478 33 Cox Communications, Inc. 19262 596 1719 146 Verizon Global Networks 852 570 1092 379 Telus Advanced Communications 855 563 243 65 Canadian Research Network 19916 563 49 54 OLM LLC 6478 528 1454 291 AT&T Worldnet Services 3602 522 127 106 Sprint Canada, Inc. 3356 518 10601 398 Level 3 Communications, LLC RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 587 1953 465 UUNET - Commercial IP service 3352 303 1500 34 Ibernet, Internet Access Netw 3301 302 1071 288 TeliaNet Sweden 3320 285 3485 239 Deutsche Telekom AG 8220 274 474 268 COLT Telecommunications 680 244 2024 238 DFN-IP service G-WiN 3246 227 487 217 Song Networks 8708 221 274 205 Romania Data Systems S.A. 6746 211 52 183 Dynamic Network Technologies, 1257 189 712 169 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 180 840 127 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 8866 173 37 11 Bulgarian Telecommunication C 5400 168 328 137 BT Ignite European Backbone 24863 166 38 9 LINKdotNET AS number 3215 163 1326 82 France Telecom Transpac 6830 162 669 33 UPC Distribution Services 3300 159 169 90 AUCS Communications Services 12479 157 322 5 Uni2 Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 545 808 211 UniNet S.A. de C.V. 22047 380 141 43 VTR PUNTO NET S.A. 16814 295 18 7 NSS, S.A. 11172 294 109 76 Servicios Alestra S.A de C.V 14117 184 11 6 Telefonica del Sur S.A. 13999 175 52 9 Mega Cable S.A. de C.V. 7303 153 73 18 Telecom Argentina Stet-France 6147 150 118 21 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 6503 115 148 76 AVANTEL, S.A. 21826 113 14 19 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 107 88 80 Global One Communicaoes Ltda 11311 101 8 14 Sinectis S.A. 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 14522 95 12 8 SatNet S.A. 4270 93 17 9 Red de Interconexion Universi AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 273 812 230 The Internet Solution 8452 142 60 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 101 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 71 71 10 Itissalat Al-MAGHRIB 24835 67 34 6 RAYA Telecom - Egypt 20928 61 16 2 Noor Advanced Technologies AS 5713 39 167 35 Telkom SA Ltd 33774 35 5 26 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 16637 22 10 20 Johnnic e-Ventures 21280 22 4 4 Swift Global Kenya Ltd.Is an 12455 18 6 5 Jambonet Autonomous system 12258 17 3 11 Vodacom Internet Company 15808 17 2 2 Communication Solutions Ltd i Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1202 967 Time Warner Telecom 18566 891 883 Covad Communications 9583 837 823 Sify Limited 4134 995 789 CHINANET-BACKBONE 721 1031 723 DLA Systems Automation Center 4755 777 714 Videsh Sanchar Nigam Ltd. Aut 11492 642 630 Cable One 22773 606 573 Cox Communications, Inc. 19916 563 509 OLM LLC 855 563 498 Canadian Research Network 5668 514 490 CenturyTel Internet Holdings, 6197 970 465 BellSouth Network Solutions, 19262 596 450 Verizon Global Networks 7545 514 444 TPG Internet Pty Ltd 9498 495 427 BHARTI BT INTERNET LTD. 17488 436 427 Hathway IP Over Cable Interne 4766 717 417 Korea Telecom (KIX) 3602 522 416 Sprint Canada, Inc. 17676 477 375 Softbank BB Corp. 6467 399 353 E.Spire Communications, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 38976 UNALLOCATED 62.192.224.0/19 21166 Satgate autonomous s 38976 UNALLOCATED 62.192.232.0/24 21166 Satgate autonomous s 38972 UNALLOCATED 80.251.144.0/21 6828 Ekaterinburg Telegra 38972 UNALLOCATED 80.251.151.0/24 6828 Ekaterinburg Telegra 38972 UNALLOCATED 80.251.152.0/23 6828 Ekaterinburg Telegra 29544 UNALLOCATED 82.151.64.0/19 12956 Telefonica Data Auto 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 192.43.230.0/24 7575 Australian Academic and Rease 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 /9:5 /10:8 /11:20 /12:87 /13:196 /14:346 /15:677 /16:8640 /17:2950 /18:4967 /19:11193 /20:12345 /21:10557 /22:13631 /23:14839 /24:96822 /25:306 /26:250 /27:199 /28:63 /29:26 /30:54 /31:3 /32:39 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 874 891 Covad Communications 6197 784 970 BellSouth Network Solutions, 7018 745 1471 AT&T WorldNet Services 9583 658 837 Sify Limited 11492 633 642 Cable One 2386 610 876 AT&T Data Communications Serv 4323 577 1202 Time Warner Telecom 19916 557 563 OLM LLC 4766 517 717 Korea Telecom (KIX) 855 435 563 Canadian Research Network 5668 403 514 CenturyTel Internet Holdings, 7011 399 465 Citizens Utilities 702 371 587 UUNET - Commercial IP service 1239 363 850 Sprint 6198 358 493 BellSouth Network Solutions, 6517 335 362 Yipes Communications, Inc. 15270 330 357 PaeTec.net -a division of Pae 22773 313 606 Cox Communications, Inc. 13609 290 332 Choice One Communications Inc 701 280 969 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:43 12:1630 13:1 15:11 16:3 17:3 18:4 20:42 24:719 25:1 30:2 32:67 38:186 40:54 44:3 47:3 52:4 55:1 56:3 57:34 58:113 59:155 60:179 61:817 62:779 63:1886 64:2942 65:2150 66:2967 67:586 68:696 69:1368 70:272 71:45 72:566 73:19 80:726 81:590 82:506 83:352 84:339 85:404 86:263 87:133 88:17 124:1 125:173 128:148 129:172 130:101 131:309 132:32 133:1 134:151 135:46 136:169 137:65 138:179 139:89 140:447 141:136 142:404 143:146 144:228 145:39 146:311 147:134 148:327 149:188 150:113 151:72 152:115 153:98 154:6 155:183 156:91 157:119 158:151 159:174 160:87 161:68 162:250 163:175 164:168 165:171 166:147 167:237 168:478 169:139 170:309 171:12 192:5752 193:3348 194:2463 195:1718 196:721 198:3903 199:3275 200:4154 201:550 202:6385 203:6684 204:3823 205:2082 206:2427 207:2918 208:2010 209:3451 210:1840 211:794 212:1238 213:1444 214:318 215:40 216:3805 217:1150 218:230 219:134 220:641 221:333 222:145 End of report
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