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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Feb 6 19:17:33 CET 2009
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 For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 07 Feb, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 278566 Prefixes after maximum aggregation: 132796 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 136538 Total ASes present in the Internet Routing Table: 30495 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 26529 Origin ASes announcing only one prefix: 12914 Transit ASes present in the Internet Routing Table: 3966 Transit-only ASes present in the Internet Routing Table: 97 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 29 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 527 Unregistered ASNs in the Routing Table: 179 Number of 32-bit ASNs allocated by the RIRs: 92 Prefixes from 32-bit ASNs in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 229 Number of addresses announced to Internet: 1996544544 Equivalent to 119 /8s, 0 /16s and 218 /24s Percentage of available address space announced: 53.9 Percentage of allocated address space announced: 63.0 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 75.5 Total number of prefixes smaller than registry allocations: 136565 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 64198 Total APNIC prefixes after maximum aggregation: 22979 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 61033 Unique aggregates announced from the APNIC address blocks: 27621 APNIC Region origin ASes present in the Internet Routing Table: 3521 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 948 APNIC Region transit ASes present in the Internet Routing Table: 549 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 397493152 Equivalent to 23 /8s, 177 /16s and 67 /24s Percentage of available APNIC address space announced: 79.0 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 123281 Total ARIN prefixes after maximum aggregation: 65154 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 92814 Unique aggregates announced from the ARIN address blocks: 35503 ARIN Region origin ASes present in the Internet Routing Table: 12756 ARIN Prefixes per ASN: 7.28 ARIN Region origin ASes announcing only one prefix: 4905 ARIN Region transit ASes present in the Internet Routing Table: 1225 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 414233632 Equivalent to 24 /8s, 176 /16s and 180 /24s Percentage of available ARIN address space announced: 79.6 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, 39936-40959, 46080-47103 ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 62962 Total RIPE prefixes after maximum aggregation: 37144 RIPE Deaggregation factor: 1.70 Prefixes being announced from the RIPE address blocks: 57789 Unique aggregates announced from the RIPE address blocks: 38547 RIPE Region origin ASes present in the Internet Routing Table: 12611 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 6637 RIPE Region transit ASes present in the Internet Routing Table: 1914 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 387972704 Equivalent to 23 /8s, 31 /16s and 254 /24s Percentage of available RIPE address space announced: 82.6 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 40960-45055, 47104-49151 RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 23192 Total LACNIC prefixes after maximum aggregation: 5739 LACNIC Deaggregation factor: 4.04 Prefixes being announced from the LACNIC address blocks: 21390 Unique aggregates announced from the LACNIC address blocks: 11857 LACNIC Region origin ASes present in the Internet Routing Table: 1063 LACNIC Prefixes per ASN: 20.12 LACNIC Region origin ASes announcing only one prefix: 338 LACNIC Region transit ASes present in the Internet Routing Table: 176 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 60553600 Equivalent to 3 /8s, 155 /16s and 249 /24s Percentage of available LACNIC address space announced: 60.2 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 4437 Total AfriNIC prefixes after maximum aggregation: 1371 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 3977 Unique aggregates announced from the AfriNIC address blocks: 1388 AfriNIC Region origin ASes present in the Internet Routing Table: 280 AfriNIC Prefixes per ASN: 14.20 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 57 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC addresses announced to Internet: 9909248 Equivalent to 0 /8s, 151 /16s and 52 /24s Percentage of available AfriNIC address space announced: 29.5 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1646 6412 378 Korea Telecom (KIX) 17488 1521 110 97 Hathway IP Over Cable Interne 4755 1202 428 180 TATA Communications formerly 9583 1068 107 363 Sify Limited 4134 904 16247 368 CHINANET-BACKBONE 18101 751 198 25 Reliance Infocom Ltd Internet 7545 718 158 96 TPG Internet Pty Ltd 9498 681 297 53 BHARTI BT INTERNET LTD. 24560 664 226 178 Bharti Airtel Ltd. 9829 627 479 15 BSNL National Internet Backbo Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4375 3434 344 bellsouth.net, inc. 209 2829 4037 620 Qwest 1785 1787 732 145 PaeTec Communications, Inc. 4323 1640 1080 374 Time Warner Telecom 20115 1593 1423 726 Charter Communications 7018 1445 5878 999 AT&T WorldNet Services 2386 1252 715 893 AT&T Data Communications Serv 6478 1225 295 494 AT&T Worldnet Services 11492 1224 192 12 Cable One 3356 1142 10976 438 Level 3 Communications, LLC Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8452 1037 188 7 TEDATA 3292 443 1765 388 TDC Tele Danmark 30890 439 88 201 SC Kappa Invexim SRL 12479 396 578 6 Uni2 Autonomous System 3301 338 1669 304 TeliaNet Sweden 3320 337 7064 288 Deutsche Telekom AG 8866 336 109 22 Bulgarian Telecommunication C 3215 333 2898 102 France Telecom Transpac 29049 331 26 3 AzerSat LLC. 8551 312 288 40 Bezeq International Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1486 2834 230 UniNet S.A. de C.V. 10620 737 161 94 TVCABLE BOGOTA 11830 687 299 9 Instituto Costarricense de El 22047 619 302 14 VTR PUNTO NET S.A. 7303 508 253 78 Telecom Argentina Stet-France 6471 439 95 42 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 11172 406 118 74 Servicios Alestra S.A de C.V 7738 397 794 28 Telecomunicacoes da Bahia S.A 28573 380 506 23 NET Servicos de Comunicao S.A Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 613 74 40 LINKdotNET AS number 20858 274 34 3 This AS will be used to conne 3741 268 857 226 The Internet Solution 2018 241 215 141 Tertiary Education Network 33783 150 10 8 EEPAD TISP TELECOM & INTERNET 6713 144 135 11 Itissalat Al-MAGHRIB 29571 128 15 8 Ci Telecom Autonomous system 5536 120 8 17 Internet Egypt Network 33776 118 6 3 Starcomms Nigeria Limited 5713 117 555 66 Telkom SA Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4375 3434 344 bellsouth.net, inc. 209 2829 4037 620 Qwest 1785 1787 732 145 PaeTec Communications, Inc. 4766 1646 6412 378 Korea Telecom (KIX) 4323 1640 1080 374 Time Warner Telecom 20115 1593 1423 726 Charter Communications 17488 1521 110 97 Hathway IP Over Cable Interne 8151 1486 2834 230 UniNet S.A. de C.V. 7018 1445 5878 999 AT&T WorldNet Services 2386 1252 715 893 AT&T Data Communications Serv Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2829 2209 Qwest 1785 1787 1642 PaeTec Communications, Inc. 17488 1521 1424 Hathway IP Over Cable Interne 4766 1646 1268 Korea Telecom (KIX) 4323 1640 1266 Time Warner Telecom 8151 1486 1256 UniNet S.A. de C.V. 11492 1224 1212 Cable One 18566 1061 1051 Covad Communications 8452 1037 1030 TEDATA 4755 1202 1022 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.220.16.0/20 8668 TelOne Zimbabwe P/L 41.223.112.0/22 5713 Telkom SA Ltd 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.12.96.0/19 15834 MenaNet network Autonomous Sy 62.12.107.0/24 15834 MenaNet network Autonomous Sy Complete listing at http://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:10 /10:20 /11:54 /12:160 /13:309 /14:571 /15:1125 /16:10326 /17:4584 /18:7858 /19:16901 /20:19829 /21:19395 /22:24607 /23:24858 /24:145830 /25:673 /26:808 /27:509 /28:104 /29:8 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2851 4375 bellsouth.net, inc. 209 1569 2829 Qwest 4766 1378 1646 Korea Telecom (KIX) 17488 1302 1521 Hathway IP Over Cable Interne 1785 1208 1787 PaeTec Communications, Inc. 11492 1188 1224 Cable One 18566 1042 1061 Covad Communications 8452 1006 1037 TEDATA 2386 942 1252 AT&T Data Communications Serv 9583 917 1068 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:179 12:2193 13:2 15:21 16:3 17:5 20:35 24:1116 32:51 38:539 40:96 41:1734 43:1 44:2 47:11 52:3 55:2 56:3 57:26 58:520 59:608 60:459 61:1101 62:1113 63:2008 64:3414 65:2431 66:3562 67:1468 68:650 69:2462 70:528 71:159 72:1604 73:2 74:1390 75:203 76:296 77:792 78:546 79:319 80:962 81:820 82:552 83:394 84:604 85:1013 86:400 87:621 88:353 89:1364 90:42 91:1936 92:298 93:1105 94:1017 95:292 96:96 97:176 98:192 99:16 110:1 111:1 112:11 113:74 114:163 115:213 116:1160 117:476 118:267 119:628 120:137 121:702 122:927 123:508 124:842 125:1271 128:223 129:222 130:134 131:410 132:71 133:9 134:344 135:35 136:223 137:141 138:145 139:80 140:411 141:105 142:377 143:317 144:319 145:39 146:371 147:146 148:522 149:234 150:141 151:200 152:150 153:132 154:10 155:257 156:171 157:271 158:159 159:239 160:282 161:138 162:274 163:142 164:516 165:505 166:274 167:355 168:672 169:161 170:469 171:40 172:10 173:196 174:55 186:6 187:60 189:326 190:2534 192:5798 193:4184 194:3332 195:2683 196:1070 198:3683 199:3284 200:5535 201:1485 202:7815 203:7968 204:3926 205:2144 206:2354 207:2794 208:3819 209:3482 210:2607 211:1122 212:1513 213:1704 214:68 215:30 216:4575 217:1196 218:371 219:407 220:1209 221:449 222:296 End of report
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