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@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 21 Feb, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 280761 Prefixes after maximum aggregation: 133516 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 137721 Total ASes present in the Internet Routing Table: 30639 Prefixes per ASN: 9.16 Origin-only ASes present in the Internet Routing Table: 26668 Origin ASes announcing only one prefix: 12988 Transit ASes present in the Internet Routing Table: 3971 Transit-only ASes present in the Internet Routing Table: 90 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: 529 Unregistered ASNs in the Routing Table: 177 Number of 32-bit ASNs allocated by the RIRs: 104 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: 215 Number of addresses announced to Internet: 2007408064 Equivalent to 119 /8s, 166 /16s and 157 /24s Percentage of available address space announced: 54.2 Percentage of allocated address space announced: 63.3 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 75.8 Total number of prefixes smaller than registry allocations: 137856 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 64873 Total APNIC prefixes after maximum aggregation: 23232 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 61716 Unique aggregates announced from the APNIC address blocks: 28187 APNIC Region origin ASes present in the Internet Routing Table: 3534 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 956 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: 402566816 Equivalent to 23 /8s, 254 /16s and 174 /24s Percentage of available APNIC address space announced: 80.0 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: 123836 Total ARIN prefixes after maximum aggregation: 65380 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 93252 Unique aggregates announced from the ARIN address blocks: 35691 ARIN Region origin ASes present in the Internet Routing Table: 12801 ARIN Prefixes per ASN: 7.28 ARIN Region origin ASes announcing only one prefix: 4933 ARIN Region transit ASes present in the Internet Routing Table: 1228 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 416103232 Equivalent to 24 /8s, 205 /16s and 59 /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: 63670 Total RIPE prefixes after maximum aggregation: 37387 RIPE Deaggregation factor: 1.70 Prefixes being announced from the RIPE address blocks: 58308 Unique aggregates announced from the RIPE address blocks: 38867 RIPE Region origin ASes present in the Internet Routing Table: 12697 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 6673 RIPE Region transit ASes present in the Internet Routing Table: 1925 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 389410528 Equivalent to 23 /8s, 53 /16s and 238 /24s Percentage of available RIPE address space announced: 82.9 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: 23309 Total LACNIC prefixes after maximum aggregation: 5718 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 21488 Unique aggregates announced from the LACNIC address blocks: 11883 LACNIC Region origin ASes present in the Internet Routing Table: 1069 LACNIC Prefixes per ASN: 20.10 LACNIC Region origin ASes announcing only one prefix: 341 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: 61081728 Equivalent to 3 /8s, 164 /16s and 8 /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: 4576 Total AfriNIC prefixes after maximum aggregation: 1392 AfriNIC Deaggregation factor: 3.29 Prefixes being announced from the AfriNIC address blocks: 4305 Unique aggregates announced from the AfriNIC address blocks: 1401 AfriNIC Region origin ASes present in the Internet Routing Table: 284 AfriNIC Prefixes per ASN: 15.16 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 10027520 Equivalent to 0 /8s, 153 /16s and 2 /24s Percentage of available AfriNIC address space announced: 29.9 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 1527 114 99 Hathway IP Over Cable Interne 4755 1211 429 178 TATA Communications formerly 9583 1092 86 518 Sify Limited 4134 927 16255 368 CHINANET-BACKBONE 18101 752 198 25 Reliance Infocom Ltd Internet 7545 726 158 98 TPG Internet Pty Ltd 9498 682 297 52 BHARTI BT INTERNET LTD. 24560 673 228 174 Bharti Airtel Ltd. 9829 638 491 19 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 4368 3688 341 bellsouth.net, inc. 209 2833 4163 616 Qwest 4323 1775 1081 377 Time Warner Telecom 1785 1748 733 139 PaeTec Communications, Inc. 20115 1583 1421 718 Charter Communications 7018 1446 5879 1009 AT&T WorldNet Services 2386 1265 715 904 AT&T Data Communications Serv 6478 1250 299 506 AT&T Worldnet Services 11492 1202 192 12 Cable One 3356 1138 10976 440 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 1225 188 7 TEDATA 30890 445 88 202 SC Kappa Invexim SRL 3292 443 1762 388 TDC Tele Danmark 12479 397 578 6 Uni2 Autonomous System 3320 341 7065 291 Deutsche Telekom AG 3301 338 1669 304 TeliaNet Sweden 8866 336 109 22 Bulgarian Telecommunication C 3215 331 2946 103 France Telecom Transpac 29049 328 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 1478 2831 230 UniNet S.A. de C.V. 10620 760 166 93 TVCABLE BOGOTA 11830 694 299 9 Instituto Costarricense de El 22047 605 302 14 VTR PUNTO NET S.A. 7303 511 255 80 Telecom Argentina Stet-France 6471 438 95 42 ENTEL CHILE S.A. 16814 427 27 11 NSS, S.A. 11172 405 118 75 Servicios Alestra S.A de C.V 7738 397 794 28 Telecomunicacoes da Bahia S.A 28573 370 506 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 74 38 LINKdotNET AS number 20858 290 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 128 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 4368 3688 341 bellsouth.net, inc. 209 2833 4163 616 Qwest 4323 1775 1081 377 Time Warner Telecom 1785 1748 733 139 PaeTec Communications, Inc. 4766 1684 6928 395 Korea Telecom (KIX) 20115 1583 1421 718 Charter Communications 17488 1527 114 99 Hathway IP Over Cable Interne 8151 1478 2831 230 UniNet S.A. de C.V. 7018 1446 5879 1009 AT&T WorldNet Services 2386 1265 715 904 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 2833 2217 Qwest 1785 1748 1609 PaeTec Communications, Inc. 17488 1527 1428 Hathway IP Over Cable Interne 4323 1775 1398 Time Warner Telecom 4766 1684 1289 Korea Telecom (KIX) 8151 1478 1248 UniNet S.A. de C.V. 8452 1225 1218 TEDATA 11492 1202 1190 Cable One 18566 1061 1051 Covad Communications 4755 1211 1033 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 /13:316 /14:577 /15:1125 /16:10341 /17:4586 /18:7895 /19:16958 /20:19936 /21:19594 /22:24758 /23:25089 /24:147061 /25:695 /26:856 /27:595 /28:97 /29:8 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2846 4368 bellsouth.net, inc. 209 1571 2833 Qwest 4766 1392 1684 Korea Telecom (KIX) 17488 1305 1527 Hathway IP Over Cable Interne 8452 1204 1225 TEDATA 11492 1162 1202 Cable One 1785 1154 1748 PaeTec Communications, Inc. 18566 1042 1061 Covad Communications 2386 954 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 8:180 12:2206 13:2 15:21 16:3 17:4 20:35 24:1114 32:51 38:545 40:96 41:1960 43:1 44:2 47:11 52:3 55:2 56:3 57:25 58:531 59:614 60:458 61:1099 62:1146 63:1994 64:3542 65:2424 66:3538 67:1474 68:656 69:2480 70:508 71:159 72:1608 73:2 74:1428 75:201 76:306 77:779 78:540 79:326 80:969 81:832 82:547 83:406 84:600 85:994 86:397 87:624 88:350 89:1403 90:42 91:1985 92:277 93:1086 94:1102 95:446 96:90 97:180 98:189 99:16 109:1 112:77 113:76 114:208 115:221 116:1132 117:493 118:284 119:640 120:134 121:704 122:961 123:523 124:858 125:1278 128:221 129:222 130:134 131:411 132:73 133:9 134:339 135:37 136:223 137:139 138:145 139:79 140:417 141:105 142:381 143:324 144:321 145:40 146:373 147:151 148:534 149:230 150:141 151:198 152:152 153:132 154:10 155:260 156:171 157:291 158:149 159:240 160:280 161:138 162:274 163:144 164:516 165:503 166:274 167:352 168:682 169:162 170:469 171:39 172:10 173:216 174:68 178:1 186:5 187:48 189:298 190:2589 192:5811 193:4210 194:3333 195:2698 196:1067 198:3702 199:3286 200:5526 201:1487 202:7797 203:8062 204:3934 205:2172 206:2346 207:2792 208:3835 209:3475 210:2637 211:1125 212:1489 213:1707 214:65 215:30 216:4551 217:1213 218:372 219:408 220:1219 221:462 222:315 End of report