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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 18 20:14:00 CEST 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 19 Sep, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 296617 Prefixes after maximum aggregation: 139697 Deaggregation factor: 2.12 Unique aggregates announced to Internet: 147808 Total ASes present in the Internet Routing Table: 32213 Prefixes per ASN: 9.21 Origin-only ASes present in the Internet Routing Table: 27997 Origin ASes announcing only one prefix: 13673 Transit ASes present in the Internet Routing Table: 4216 Transit-only ASes present in the Internet Routing Table: 102 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 39 Max AS path prepend of ASN (22394) 36 Prefixes from unregistered ASNs in the Routing Table: 432 Unregistered ASNs in the Routing Table: 121 Number of 32-bit ASNs allocated by the RIRs: 275 Prefixes from 32-bit ASNs in the Routing Table: 126 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 229 Number of addresses announced to Internet: 2107111040 Equivalent to 125 /8s, 151 /16s and 246 /24s Percentage of available address space announced: 56.8 Percentage of allocated address space announced: 65.1 Percentage of available address space allocated: 87.3 Percentage of address space in use by end-sites: 78.9 Total number of prefixes smaller than registry allocations: 142159 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 71434 Total APNIC prefixes after maximum aggregation: 25020 APNIC Deaggregation factor: 2.86 Prefixes being announced from the APNIC address blocks: 67830 Unique aggregates announced from the APNIC address blocks: 30301 APNIC Region origin ASes present in the Internet Routing Table: 3792 APNIC Prefixes per ASN: 17.89 APNIC Region origin ASes announcing only one prefix: 1036 APNIC Region transit ASes present in the Internet Routing Table: 583 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 460221984 Equivalent to 27 /8s, 110 /16s and 110 /24s Percentage of available APNIC address space announced: 78.4 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 43/8, 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, 175/8, 180/8, 182/8, 183/8, 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: 125111 Total ARIN prefixes after maximum aggregation: 66615 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 99638 Unique aggregates announced from the ARIN address blocks: 38372 ARIN Region origin ASes present in the Internet Routing Table: 13244 ARIN Prefixes per ASN: 7.52 ARIN Region origin ASes announcing only one prefix: 5129 ARIN Region transit ASes present in the Internet Routing Table: 1300 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 39 Number of ARIN addresses announced to Internet: 705394816 Equivalent to 42 /8s, 11 /16s and 120 /24s Percentage of available ARIN address space announced: 61.8 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 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8, 56/8, 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, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 68436 Total RIPE prefixes after maximum aggregation: 40022 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 62149 Unique aggregates announced from the RIPE address blocks: 41489 RIPE Region origin ASes present in the Internet Routing Table: 13484 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 7037 RIPE Region transit ASes present in the Internet Routing Table: 2031 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 399639232 Equivalent to 23 /8s, 210 /16s and 2 /24s Percentage of available RIPE address space announced: 79.4 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 40960-45055, 47104-52223, 196608-197631 RIPE Address Blocks 25/8, 51/8, 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: 25376 Total LACNIC prefixes after maximum aggregation: 6231 LACNIC Deaggregation factor: 4.07 Prefixes being announced from the LACNIC address blocks: 23706 Unique aggregates announced from the LACNIC address blocks: 13257 LACNIC Region origin ASes present in the Internet Routing Table: 1177 LACNIC Prefixes per ASN: 20.14 LACNIC Region origin ASes announcing only one prefix: 381 LACNIC Region transit ASes present in the Internet Routing Table: 189 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 66558464 Equivalent to 3 /8s, 247 /16s and 154 /24s Percentage of available LACNIC address space announced: 66.1 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 5892 Total AfriNIC prefixes after maximum aggregation: 1545 AfriNIC Deaggregation factor: 3.81 Prefixes being announced from the AfriNIC address blocks: 4268 Unique aggregates announced from the AfriNIC address blocks: 1495 AfriNIC Region origin ASes present in the Internet Routing Table: 319 AfriNIC Prefixes per ASN: 13.38 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 68 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12382208 Equivalent to 0 /8s, 188 /16s and 240 /24s Percentage of available AfriNIC address space announced: 36.9 AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1761 6995 453 Korea Telecom (KIX) 17488 1547 138 105 Hathway IP Over Cable Interne 4755 1263 292 143 TATA Communications formerly 9583 1098 87 533 Sify Limited 4134 1008 18168 391 CHINANET-BACKBONE 18101 976 203 33 Reliance Infocom Ltd Internet 7545 857 198 100 TPG Internet Pty Ltd 9829 812 625 18 BSNL National Internet Backbo 24560 766 284 166 Bharti Airtel Ltd., Telemedia 4808 764 1518 182 CNCGROUP IP network: China169 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 4170 3627 313 bellsouth.net, inc. 4323 1927 1049 386 Time Warner Telecom 1785 1742 714 138 PaeTec Communications, Inc. 20115 1641 1478 673 Charter Communications 7018 1488 5875 1053 AT&T WorldNet Services 6478 1427 284 259 AT&T Worldnet Services 2386 1313 656 951 AT&T Data Communications Serv 3356 1227 10980 439 Level 3 Communications, LLC 11492 1123 208 12 Cable One 22773 1102 2604 66 Cox Communications, Inc. 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 30890 491 93 200 Evolva Telecom 3292 447 1900 394 TDC Tele Danmark 12479 424 578 6 Uni2 Autonomous System 702 423 1821 341 UUNET - Commercial IP service 35805 392 40 5 United Telecom of Georgia 9198 376 138 12 Kazakhtelecom Data Network Ad 8866 358 110 23 Bulgarian Telecommunication C 3320 354 7067 303 Deutsche Telekom AG 3301 349 1412 309 TeliaNet Sweden 3215 347 3121 111 France Telecom Transpac 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 1476 2899 246 UniNet S.A. de C.V. 10620 1010 226 99 TVCABLE BOGOTA 28573 710 622 62 NET Servicos de Comunicao S.A 7303 640 339 90 Telecom Argentina Stet-France 22047 542 302 14 VTR PUNTO NET S.A. 11830 475 310 61 Instituto Costarricense de El 11172 439 99 70 Servicios Alestra S.A de C.V 7738 424 858 29 Telecomunicacoes da Bahia S.A 6471 423 96 31 ENTEL CHILE S.A. 14117 418 29 11 Telefonica del Sur 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 8452 978 188 7 TEDATA 24863 935 96 61 LINKdotNET AS number 3741 272 856 234 The Internet Solution 2018 197 187 116 Tertiary Education Network 6713 175 166 16 Itissalat Al-MAGHRIB 29571 139 14 6 Ci Telecom Autonomous system 24835 123 46 9 RAYA Telecom - Egypt 33776 123 7 11 Starcomms Nigeria Limited 5536 122 8 13 Internet Egypt Network 5713 116 508 67 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 4170 3627 313 bellsouth.net, inc. 4323 1927 1049 386 Time Warner Telecom 4766 1761 6995 453 Korea Telecom (KIX) 1785 1742 714 138 PaeTec Communications, Inc. 20115 1641 1478 673 Charter Communications 17488 1547 138 105 Hathway IP Over Cable Interne 7018 1488 5875 1053 AT&T WorldNet Services 8151 1476 2899 246 UniNet S.A. de C.V. 6478 1427 284 259 AT&T Worldnet Services 2386 1313 656 951 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 1785 1742 1604 PaeTec Communications, Inc. 4323 1927 1541 Time Warner Telecom 17488 1547 1442 Hathway IP Over Cable Interne 4766 1761 1308 Korea Telecom (KIX) 8151 1476 1230 UniNet S.A. de C.V. 6478 1427 1168 AT&T Worldnet Services 4755 1263 1120 TATA Communications formerly 11492 1123 1111 Cable One 18566 1062 1052 Covad Communications 22773 1102 1036 Cox Communications, Inc. 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 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.189.0/24 26452 Local Communications Networks 43.245.0.0/16 7502 Internetwork Kyoto 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 22555 Universal Talkware Corporatio 64.31.32.0/19 11955 ServiceCo LLC - Road Runner 64.72.112.0/20 19166 Allied Riser Communications, 64.247.160.0/20 10937 Island Internet Services 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 /10:24 /11:63 /12:175 /13:355 /14:626 /15:1197 /16:10663 /17:4826 /18:8374 /19:17422 /20:20842 /21:20788 /22:27097 /23:26608 /24:154744 /25:932 /26:1056 /27:567 /28:166 /29:40 /30:15 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2701 4170 bellsouth.net, inc. 4766 1434 1761 Korea Telecom (KIX) 17488 1292 1547 Hathway IP Over Cable Interne 1785 1209 1742 PaeTec Communications, Inc. 11492 1051 1123 Cable One 18566 1043 1062 Covad Communications 4323 968 1927 Time Warner Telecom 9583 950 1098 Sify Limited 10620 916 1010 TVCABLE BOGOTA 8452 902 978 TEDATA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:226 12:2150 13:7 15:21 16:3 17:5 20:36 24:1136 32:52 34:2 38:601 40:97 41:1717 43:1 44:2 47:13 52:6 55:2 56:2 57:25 58:608 59:635 60:461 61:1071 62:1030 63:2013 64:3632 65:2402 66:3402 67:1790 68:979 69:2749 70:569 71:157 72:1657 73:2 74:1745 75:179 76:323 77:872 78:586 79:380 80:900 81:798 82:518 83:437 84:529 85:1029 86:380 87:680 88:386 89:1473 90:55 91:2553 92:404 93:1230 94:1180 95:1098 96:165 97:266 98:287 99:30 109:3 110:201 111:438 112:131 113:150 114:256 115:350 116:1134 117:562 118:329 119:785 120:122 121:772 122:1278 123:768 124:1054 125:1367 128:222 129:217 130:129 131:423 132:75 133:10 134:174 135:42 136:241 137:164 138:173 139:84 140:433 141:121 142:382 143:343 144:377 145:49 146:391 147:163 148:531 149:213 150:208 151:187 152:215 153:155 154:2 155:279 156:165 157:304 158:113 159:352 160:291 161:164 162:271 163:165 164:276 165:522 166:475 167:371 168:685 169:166 170:473 171:40 172:2 173:413 174:331 175:1 178:1 180:25 182:1 186:142 187:147 188:1018 189:571 190:3016 192:5768 193:4269 194:3286 195:2757 196:1141 198:3554 199:3349 200:5188 201:1309 202:7844 203:8269 204:3896 205:2194 206:2391 207:2725 208:3955 209:3394 210:2563 211:1127 212:1603 213:1636 214:178 215:33 216:4282 217:1313 218:410 219:450 220:1132 221:442 222:325 End of report
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