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[routing-wg][SANOG] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Feb 27 19:15:17 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 28 Feb, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 281421 Prefixes after maximum aggregation: 133739 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 137854 Total ASes present in the Internet Routing Table: 30695 Prefixes per ASN: 9.17 Origin-only ASes present in the Internet Routing Table: 26717 Origin ASes announcing only one prefix: 12993 Transit ASes present in the Internet Routing Table: 3978 Transit-only ASes present in the Internet Routing Table: 95 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: 501 Unregistered ASNs in the Routing Table: 171 Number of 32-bit ASNs allocated by the RIRs: 115 Prefixes from 32-bit ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 213 Number of addresses announced to Internet: 2009268672 Equivalent to 119 /8s, 195 /16s and 1 /24s Percentage of available address space announced: 54.2 Percentage of allocated address space announced: 63.4 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 75.9 Total number of prefixes smaller than registry allocations: 138384 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 65010 Total APNIC prefixes after maximum aggregation: 23348 APNIC Deaggregation factor: 2.78 Prefixes being announced from the APNIC address blocks: 61875 Unique aggregates announced from the APNIC address blocks: 28193 APNIC Region origin ASes present in the Internet Routing Table: 3541 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 957 APNIC Region transit ASes present in the Internet Routing Table: 542 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 403835552 Equivalent to 24 /8s, 18 /16s and 10 /24s Percentage of available APNIC address space announced: 80.2 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: 123979 Total ARIN prefixes after maximum aggregation: 65438 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 93416 Unique aggregates announced from the ARIN address blocks: 35786 ARIN Region origin ASes present in the Internet Routing Table: 12813 ARIN Prefixes per ASN: 7.29 ARIN Region origin ASes announcing only one prefix: 4929 ARIN Region transit ASes present in the Internet Routing Table: 1238 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 416285760 Equivalent to 24 /8s, 208 /16s and 4 /24s Percentage of available ARIN address space announced: 80.0 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, 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: 64023 Total RIPE prefixes after maximum aggregation: 37503 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 58568 Unique aggregates announced from the RIPE address blocks: 38936 RIPE Region origin ASes present in the Internet Routing Table: 12729 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 6677 RIPE Region transit ASes present in the Internet Routing Table: 1919 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 389934048 Equivalent to 23 /8s, 61 /16s and 235 /24s Percentage of available RIPE address space announced: 83.0 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: 23356 Total LACNIC prefixes after maximum aggregation: 5679 LACNIC Deaggregation factor: 4.11 Prefixes being announced from the LACNIC address blocks: 21538 Unique aggregates announced from the LACNIC address blocks: 11822 LACNIC Region origin ASes present in the Internet Routing Table: 1070 LACNIC Prefixes per ASN: 20.13 LACNIC Region origin ASes announcing only one prefix: 344 LACNIC Region transit ASes present in the Internet Routing Table: 178 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 61102208 Equivalent to 3 /8s, 164 /16s and 88 /24s Percentage of available LACNIC address space announced: 60.7 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: 4584 Total AfriNIC prefixes after maximum aggregation: 1383 AfriNIC Deaggregation factor: 3.31 Prefixes being announced from the AfriNIC address blocks: 4313 Unique aggregates announced from the AfriNIC address blocks: 1394 AfriNIC Region origin ASes present in the Internet Routing Table: 286 AfriNIC Prefixes per ASN: 15.08 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 10050048 Equivalent to 0 /8s, 153 /16s and 90 /24s Percentage of available AfriNIC address space announced: 30.0 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 1684 6928 395 Korea Telecom (KIX) 17488 1517 118 101 Hathway IP Over Cable Interne 4755 1215 430 181 TATA Communications formerly 9583 1090 86 519 Sify Limited 4134 927 16239 367 CHINANET-BACKBONE 18101 754 198 28 Reliance Infocom Ltd Internet 7545 730 158 100 TPG Internet Pty Ltd 9498 691 297 53 BHARTI BT INTERNET LTD. 24560 675 228 174 Bharti Airtel Ltd. 9829 631 491 18 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 4364 3688 342 bellsouth.net, inc. 209 2832 4147 615 Qwest 4323 1771 1081 377 Time Warner Telecom 1785 1752 733 139 PaeTec Communications, Inc. 20115 1608 1427 720 Charter Communications 7018 1440 5878 1003 AT&T WorldNet Services 2386 1261 681 900 AT&T Data Communications Serv 6478 1254 296 529 AT&T Worldnet Services 11492 1201 192 12 Cable One 3356 1137 10976 439 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 1233 188 7 TEDATA 30890 445 88 202 SC Kappa Invexim SRL 3292 444 1762 389 TDC Tele Danmark 12479 397 578 6 Uni2 Autonomous System 3320 350 7081 293 Deutsche Telekom AG 3301 340 1669 305 TeliaNet Sweden 8866 337 109 22 Bulgarian Telecommunication C 3215 334 2978 103 France Telecom Transpac 29049 328 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 1441 2831 230 UniNet S.A. de C.V. 10620 791 174 98 TVCABLE BOGOTA 11830 694 299 9 Instituto Costarricense de El 22047 606 302 14 VTR PUNTO NET S.A. 7303 513 256 80 Telecom Argentina Stet-France 6471 438 95 32 ENTEL CHILE S.A. 16814 427 27 11 NSS, S.A. 11172 404 118 74 Servicios Alestra S.A de C.V 7738 397 794 28 Telecomunicacoes da Bahia S.A 28573 373 506 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 665 75 29 LINKdotNET AS number 20858 292 34 3 This AS will be used to conne 3741 271 857 229 The Internet Solution 2018 242 215 142 Tertiary Education Network 33783 150 10 8 EEPAD TISP TELECOM & INTERNET 6713 144 135 11 Itissalat Al-MAGHRIB 29571 130 15 8 Ci Telecom Autonomous system 5536 119 7 20 Internet Egypt Network 33776 118 6 3 Starcomms Nigeria Limited 5713 117 523 65 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 4364 3688 342 bellsouth.net, inc. 209 2832 4147 615 Qwest 4323 1771 1081 377 Time Warner Telecom 1785 1752 733 139 PaeTec Communications, Inc. 4766 1684 6928 395 Korea Telecom (KIX) 20115 1608 1427 720 Charter Communications 17488 1517 118 101 Hathway IP Over Cable Interne 8151 1441 2831 230 UniNet S.A. de C.V. 7018 1440 5878 1003 AT&T WorldNet Services 2386 1261 681 900 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 2832 2217 Qwest 1785 1752 1613 PaeTec Communications, Inc. 17488 1517 1416 Hathway IP Over Cable Interne 4323 1771 1394 Time Warner Telecom 4766 1684 1289 Korea Telecom (KIX) 8452 1233 1226 TEDATA 8151 1441 1211 UniNet S.A. de C.V. 11492 1201 1189 Cable One 18566 1061 1051 Covad Communications 4755 1215 1034 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 /12:162 /13:317 /14:578 /15:1130 /16:10345 /17:4598 /18:7913 /19:16926 /20:19940 /21:19668 /22:24922 /23:25170 /24:147378 /25:710 /26:853 /27:586 /28:103 /29:8 /30:3 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2843 4364 bellsouth.net, inc. 209 1571 2832 Qwest 4766 1391 1684 Korea Telecom (KIX) 17488 1296 1517 Hathway IP Over Cable Interne 8452 1212 1233 TEDATA 11492 1161 1201 Cable One 1785 1158 1752 PaeTec Communications, Inc. 18566 1042 1061 Covad Communications 2386 954 1261 AT&T Data Communications Serv 9583 942 1090 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:170 12:2203 13:2 15:20 16:3 17:4 20:35 24:1120 32:51 38:544 40:96 41:1962 43:1 44:2 47:19 52:3 55:2 56:3 57:25 58:535 59:620 60:458 61:1098 62:1108 63:2014 64:3529 65:2423 66:3548 67:1448 68:661 69:2481 70:506 71:158 72:1618 73:2 74:1429 75:201 76:311 77:786 78:559 79:325 80:971 81:834 82:548 83:415 84:586 85:1010 86:398 87:626 88:349 89:1411 90:42 91:2011 92:271 93:1128 94:1127 95:463 96:92 97:181 98:192 99:16 109:1 112:71 113:78 114:196 115:229 116:1125 117:491 118:286 119:636 120:133 121:710 122:962 123:523 124:936 125:1289 128:221 129:222 130:135 131:412 132:73 133:9 134:336 135:38 136:222 137:139 138:145 139:79 140:413 141:105 142:384 143:329 144:319 145:40 146:373 147:152 148:537 149:230 150:141 151:199 152:151 153:133 154:10 155:260 156:170 157:294 158:128 159:242 160:282 161:138 162:269 163:140 164:517 165:504 166:274 167:357 168:678 169:163 170:472 171:39 172:10 173:231 174:84 178:1 186:9 187:43 188:6 189:300 190:2614 192:5819 193:4215 194:3323 195:2716 196:1057 198:3705 199:3285 200:5497 201:1503 202:7836 203:8006 204:3943 205:2164 206:2350 207:2826 208:3850 209:3475 210:2644 211:1124 212:1504 213:1700 214:69 215:26 216:4554 217:1218 218:366 219:409 220:1217 221:453 222:319 End of report -- This is the SANOG (http://www.sanog.org/) mailing list.
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