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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 13 19:12:24 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 14 Mar, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 282891 Prefixes after maximum aggregation: 134061 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 138798 Total ASes present in the Internet Routing Table: 30808 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 26818 Origin ASes announcing only one prefix: 13049 Transit ASes present in the Internet Routing Table: 3990 Transit-only ASes present in the Internet Routing Table: 89 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (18678) 21 Prefixes from unregistered ASNs in the Routing Table: 500 Unregistered ASNs in the Routing Table: 168 Number of 32-bit ASNs allocated by the RIRs: 128 Prefixes from 32-bit ASNs in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 237 Number of addresses announced to Internet: 2015333504 Equivalent to 120 /8s, 31 /16s and 140 /24s Percentage of available address space announced: 54.4 Percentage of allocated address space announced: 63.6 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 76.0 Total number of prefixes smaller than registry allocations: 139285 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 65455 Total APNIC prefixes after maximum aggregation: 23364 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 62237 Unique aggregates announced from the APNIC address blocks: 28362 APNIC Region origin ASes present in the Internet Routing Table: 3567 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 966 APNIC Region transit ASes present in the Internet Routing Table: 545 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 404953248 Equivalent to 24 /8s, 35 /16s and 24 /24s Percentage of available APNIC address space announced: 80.5 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: 124056 Total ARIN prefixes after maximum aggregation: 65410 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 93499 Unique aggregates announced from the ARIN address blocks: 36106 ARIN Region origin ASes present in the Internet Routing Table: 12836 ARIN Prefixes per ASN: 7.28 ARIN Region origin ASes announcing only one prefix: 4935 ARIN Region transit ASes present in the Internet Routing Table: 1235 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 419494464 Equivalent to 25 /8s, 0 /16s and 250 /24s Percentage of available ARIN address space announced: 80.7 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: 64709 Total RIPE prefixes after maximum aggregation: 37715 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 59322 Unique aggregates announced from the RIPE address blocks: 39468 RIPE Region origin ASes present in the Internet Routing Table: 12799 RIPE Prefixes per ASN: 4.63 RIPE Region origin ASes announcing only one prefix: 6723 RIPE Region transit ASes present in the Internet Routing Table: 1937 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 390950176 Equivalent to 23 /8s, 77 /16s and 109 /24s Percentage of available RIPE address space announced: 83.2 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, 47104-52223 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: 23426 Total LACNIC prefixes after maximum aggregation: 5806 LACNIC Deaggregation factor: 4.03 Prefixes being announced from the LACNIC address blocks: 21599 Unique aggregates announced from the LACNIC address blocks: 11767 LACNIC Region origin ASes present in the Internet Routing Table: 1076 LACNIC Prefixes per ASN: 20.07 LACNIC Region origin ASes announcing only one prefix: 339 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: 25 Number of LACNIC addresses announced to Internet: 61343488 Equivalent to 3 /8s, 168 /16s and 7 /24s Percentage of available LACNIC address space announced: 60.9 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 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: 4777 Total AfriNIC prefixes after maximum aggregation: 1383 AfriNIC Deaggregation factor: 3.45 Prefixes being announced from the AfriNIC address blocks: 4481 Unique aggregates announced from the AfriNIC address blocks: 1338 AfriNIC Region origin ASes present in the Internet Routing Table: 285 AfriNIC Prefixes per ASN: 15.72 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 10136064 Equivalent to 0 /8s, 154 /16s and 170 /24s Percentage of available AfriNIC address space announced: 30.2 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 1690 6929 396 Korea Telecom (KIX) 17488 1529 119 97 Hathway IP Over Cable Interne 4755 1216 431 179 TATA Communications formerly 9583 1092 86 528 Sify Limited 4134 927 16271 367 CHINANET-BACKBONE 18101 753 198 30 Reliance Infocom Ltd Internet 7545 744 159 104 TPG Internet Pty Ltd 9498 689 297 49 BHARTI BT INTERNET LTD. 24560 675 228 175 Bharti Airtel Ltd. 9829 637 490 21 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 4322 3670 338 bellsouth.net, inc. 209 2846 4149 624 Qwest 4323 1795 1065 374 Time Warner Telecom 1785 1733 717 139 PaeTec Communications, Inc. 20115 1587 1430 719 Charter Communications 7018 1451 5880 1013 AT&T WorldNet Services 6478 1287 296 514 AT&T Worldnet Services 2386 1265 682 899 AT&T Data Communications Serv 11492 1194 192 12 Cable One 3356 1172 10976 443 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 1238 188 7 TEDATA 30890 447 87 201 SC Kappa Invexim SRL 3292 443 1762 389 TDC Tele Danmark 12479 403 578 6 Uni2 Autonomous System 3320 352 7081 295 Deutsche Telekom AG 3301 343 1685 308 TeliaNet Sweden 8866 337 109 22 Bulgarian Telecommunication C 3215 335 2985 109 France Telecom Transpac 29049 322 26 3 AzerSat LLC. 8551 313 288 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 1444 2831 233 UniNet S.A. de C.V. 10620 826 187 99 TVCABLE BOGOTA 22047 600 302 14 VTR PUNTO NET S.A. 11830 520 294 51 Instituto Costarricense de El 7303 518 260 80 Telecom Argentina Stet-France 16814 491 31 10 NSS, S.A. 6471 440 95 32 ENTEL CHILE S.A. 11172 408 102 73 Servicios Alestra S.A de C.V 7738 397 794 28 Telecomunicacoes da Bahia S.A 28573 384 514 24 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 808 75 27 LINKdotNET AS number 20858 292 34 3 This AS will be used to conne 3741 271 842 231 The Internet Solution 2018 241 215 141 Tertiary Education Network 6713 159 150 15 Itissalat Al-MAGHRIB 33783 150 10 8 EEPAD TISP TELECOM & INTERNET 29571 131 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 33776 118 6 3 Starcomms Nigeria Limited 5713 116 507 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 4322 3670 338 bellsouth.net, inc. 209 2846 4149 624 Qwest 4323 1795 1065 374 Time Warner Telecom 1785 1733 717 139 PaeTec Communications, Inc. 4766 1690 6929 396 Korea Telecom (KIX) 20115 1587 1430 719 Charter Communications 17488 1529 119 97 Hathway IP Over Cable Interne 7018 1451 5880 1013 AT&T WorldNet Services 8151 1444 2831 233 UniNet S.A. de C.V. 6478 1287 296 514 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2846 2222 Qwest 1785 1733 1594 PaeTec Communications, Inc. 17488 1529 1432 Hathway IP Over Cable Interne 4323 1795 1421 Time Warner Telecom 4766 1690 1294 Korea Telecom (KIX) 8452 1238 1231 TEDATA 8151 1444 1211 UniNet S.A. de C.V. 11492 1194 1182 Cable One 18566 1061 1051 Covad Communications 4755 1216 1037 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 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 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 /11:55 /12:163 /13:320 /14:576 /15:1132 /16:10354 /17:4622 /18:7971 /19:17011 /20:20057 /21:19757 /22:25245 /23:25252 /24:148046 /25:698 /26:867 /27:545 /28:118 /29:37 /30:9 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2804 4322 bellsouth.net, inc. 209 1574 2846 Qwest 4766 1394 1690 Korea Telecom (KIX) 17488 1300 1529 Hathway IP Over Cable Interne 8452 1217 1238 TEDATA 11492 1149 1194 Cable One 1785 1139 1733 PaeTec Communications, Inc. 18566 1042 1061 Covad Communications 2386 960 1265 AT&T Data Communications Serv 9583 944 1092 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:171 12:2199 13:2 15:19 16:3 17:4 20:36 24:1123 32:51 38:547 40:97 41:1969 43:1 44:2 47:21 52:3 55:2 56:3 57:25 58:534 59:623 60:460 61:1103 62:1113 63:2012 64:3554 65:2421 66:3554 67:1494 68:672 69:2506 70:508 71:163 72:1665 73:2 74:1431 75:204 76:312 77:825 78:566 79:299 80:963 81:819 82:558 83:420 84:591 85:1015 86:395 87:634 88:351 89:1494 90:44 91:2049 92:273 93:1092 94:1189 95:766 96:98 97:177 98:228 99:16 109:1 110:8 112:81 113:88 114:213 115:232 116:1130 117:496 118:285 119:644 120:133 121:704 122:969 123:558 124:955 125:1285 128:220 129:225 130:135 131:410 132:74 133:9 134:183 135:39 136:236 137:144 138:146 139:78 140:415 141:105 142:390 143:329 144:331 145:41 146:373 147:148 148:512 149:237 150:142 151:201 152:151 153:135 154:11 155:267 156:167 157:295 158:131 159:234 160:281 161:137 162:270 163:145 164:518 165:517 166:274 167:357 168:666 169:162 170:478 171:39 172:10 173:241 174:145 178:1 186:10 187:46 188:7 189:314 190:2697 192:5813 193:4217 194:3321 195:2696 196:1057 198:3722 199:3306 200:5485 201:1356 202:7854 203:8069 204:3776 205:2157 206:2356 207:2807 208:3876 209:3455 210:2629 211:1116 212:1514 213:1703 214:69 215:25 216:4554 217:1264 218:365 219:408 220:1207 221:460 222:314 End of report
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