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 16 Jan, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 309127 Prefixes after maximum aggregation: 143543 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 151934 Total ASes present in the Internet Routing Table: 33091 Prefixes per ASN: 9.34 Origin-only ASes present in the Internet Routing Table: 28731 Origin ASes announcing only one prefix: 14027 Transit ASes present in the Internet Routing Table: 4360 Transit-only ASes present in the Internet Routing Table: 103 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 23 Max AS path prepend of ASN ( 9503) 21 Prefixes from unregistered ASNs in the Routing Table: 765 Unregistered ASNs in the Routing Table: 136 Number of 32-bit ASNs allocated by the RIRs: 393 Prefixes from 32-bit ASNs in the Routing Table: 345 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 185 Number of addresses announced to Internet: 2176160448 Equivalent to 129 /8s, 181 /16s and 146 /24s Percentage of available address space announced: 58.7 Percentage of allocated address space announced: 66.5 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.8 Total number of prefixes smaller than registry allocations: 149064 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 74756 Total APNIC prefixes after maximum aggregation: 25793 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 71440 Unique aggregates announced from the APNIC address blocks: 31551 APNIC Region origin ASes present in the Internet Routing Table: 3907 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 1065 APNIC Region transit ASes present in the Internet Routing Table: 614 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 488804384 Equivalent to 29 /8s, 34 /16s and 144 /24s Percentage of available APNIC address space announced: 80.9 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, 133/8, 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: 129389 Total ARIN prefixes after maximum aggregation: 67564 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 103522 Unique aggregates announced from the ARIN address blocks: 39181 ARIN Region origin ASes present in the Internet Routing Table: 13450 ARIN Prefixes per ASN: 7.70 ARIN Region origin ASes announcing only one prefix: 5209 ARIN Region transit ASes present in the Internet Routing Table: 1334 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 735534112 Equivalent to 43 /8s, 215 /16s and 92 /24s Percentage of available ARIN address space announced: 64.5 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: 71034 Total RIPE prefixes after maximum aggregation: 41545 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 64168 Unique aggregates announced from the RIPE address blocks: 42760 RIPE Region origin ASes present in the Internet Routing Table: 13981 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 7265 RIPE Region transit ASes present in the Internet Routing Table: 2100 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 413123840 Equivalent to 24 /8s, 159 /16s and 197 /24s Percentage of available RIPE address space announced: 77.0 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, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 46/8, 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: 27130 Total LACNIC prefixes after maximum aggregation: 6521 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 25496 Unique aggregates announced from the LACNIC address blocks: 13826 LACNIC Region origin ASes present in the Internet Routing Table: 1230 LACNIC Prefixes per ASN: 20.73 LACNIC Region origin ASes announcing only one prefix: 393 LACNIC Region transit ASes present in the Internet Routing Table: 203 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 69936128 Equivalent to 4 /8s, 43 /16s and 36 /24s Percentage of available LACNIC address space announced: 69.5 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: 6243 Total AfriNIC prefixes after maximum aggregation: 1767 AfriNIC Deaggregation factor: 3.53 Prefixes being announced from the AfriNIC address blocks: 4645 Unique aggregates announced from the AfriNIC address blocks: 1589 AfriNIC Region origin ASes present in the Internet Routing Table: 338 AfriNIC Prefixes per ASN: 13.74 AfriNIC Region origin ASes announcing only one prefix: 95 AfriNIC Region transit ASes present in the Internet Routing Table: 69 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 14818048 Equivalent to 0 /8s, 226 /16s and 27 /24s Percentage of available AfriNIC address space announced: 44.2 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 1857 7511 473 Korea Telecom (KIX) 17488 1464 144 140 Hathway IP Over Cable Interne 4755 1310 303 136 TATA Communications formerly 18101 1036 220 38 Reliance Infocom Ltd Internet 4134 1019 19477 400 CHINANET-BACKBONE 9583 999 75 504 Sify Limited 7545 926 198 100 TPG Internet Pty Ltd 17974 853 272 54 PT TELEKOMUNIKASI INDONESIA 9829 839 683 24 BSNL National Internet Backbo 4808 837 1583 213 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 4165 3891 302 bellsouth.net, inc. 4323 3785 1088 397 Time Warner Telecom 1785 1794 699 133 PaeTec Communications, Inc. 7018 1593 5791 1031 AT&T WorldNet Services 20115 1544 1490 671 Charter Communications 2386 1282 615 921 AT&T Data Communications Serv 3356 1200 10929 423 Level 3 Communications, LLC 11492 1128 222 14 Cable One 22773 1124 2600 66 Cox Communications, Inc. 6478 1103 241 273 AT&T Worldnet Services 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 35805 470 40 5 United Telecom of Georgia 3292 450 1903 394 TDC Tele Danmark 30890 436 98 205 Evolva Telecom 702 421 1821 335 UUNET - Commercial IP service 8551 397 353 37 Bezeq International 8866 376 110 24 Bulgarian Telecommunication C 3320 363 7068 308 Deutsche Telekom AG 3301 355 1412 308 TeliaNet Sweden 3215 351 3176 108 France Telecom Transpac 12479 318 578 6 Uni2 Autonomous System 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 1582 2899 233 UniNet S.A. de C.V. 10620 1003 224 131 TVCABLE BOGOTA 28573 840 674 85 NET Servicos de Comunicao S.A 7303 670 355 100 Telecom Argentina Stet-France 22047 547 302 14 VTR PUNTO NET S.A. 11830 472 308 59 Instituto Costarricense de El 6503 445 163 184 AVANTEL, S.A. 11172 444 99 69 Servicios Alestra S.A de C.V 14117 437 29 12 Telefonica del Sur S.A. 7738 431 858 29 Telecomunicacoes da Bahia 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 1018 444 8 TEDATA 24863 722 143 53 LINKdotNET AS number 36992 317 81 161 Etisalat MISR 3741 273 857 233 The Internet Solution 2018 190 197 111 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 161 19 9 Ci Telecom Autonomous system 29975 134 506 15 Vodacom 33776 122 7 11 Starcomms Nigeria Limited 5536 117 7 17 Internet Egypt Network 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 4165 3891 302 bellsouth.net, inc. 4323 3785 1088 397 Time Warner Telecom 4766 1857 7511 473 Korea Telecom (KIX) 1785 1794 699 133 PaeTec Communications, Inc. 7018 1593 5791 1031 AT&T WorldNet Services 8151 1582 2899 233 UniNet S.A. de C.V. 20115 1544 1490 671 Charter Communications 17488 1464 144 140 Hathway IP Over Cable Interne 4755 1310 303 136 TATA Communications formerly 2386 1282 615 921 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 4323 3785 3388 Time Warner Telecom 1785 1794 1661 PaeTec Communications, Inc. 4766 1857 1384 Korea Telecom (KIX) 8151 1582 1349 UniNet S.A. de C.V. 17488 1464 1324 Hathway IP Over Cable Interne 4755 1310 1174 TATA Communications formerly 11492 1128 1114 Cable One 22773 1124 1058 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1018 1010 TEDATA 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 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 62.61.220.0/24 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 /8:21 /9:10 /10:25 /11:66 /12:183 /13:383 /14:656 /15:1242 /16:10877 /17:5080 /18:8662 /19:17764 /20:21725 /21:21659 /22:27993 /23:28180 /24:161693 /25:923 /26:1154 /27:588 /28:219 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2723 4165 bellsouth.net, inc. 4323 2363 3785 Time Warner Telecom 4766 1474 1857 Korea Telecom (KIX) 1785 1263 1794 PaeTec Communications, Inc. 17488 1230 1464 Hathway IP Over Cable Interne 11492 1048 1128 Cable One 18566 1040 1059 Covad Communications 7018 960 1593 AT&T WorldNet Services 18101 916 1036 Reliance Infocom Ltd Internet 8452 914 1018 TEDATA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:13 8:232 12:2016 13:10 15:22 16:3 17:8 20:39 24:1298 32:49 38:640 40:99 41:1910 44:3 46:1 47:30 52:6 55:2 56:2 57:23 58:631 59:644 60:445 61:1096 62:977 63:2004 64:3790 65:2355 66:4098 67:1829 68:1048 69:2839 70:689 71:228 72:1859 73:3 74:2079 75:220 76:354 77:870 78:574 79:409 80:963 81:784 82:471 83:438 84:555 85:1020 86:381 87:699 88:416 89:1547 90:65 91:2684 92:409 93:1162 94:1286 95:789 96:193 97:290 98:490 99:23 100:1 109:220 110:263 111:411 112:168 113:221 114:308 115:498 116:1125 117:600 118:382 119:809 120:141 121:835 122:1389 123:830 124:1038 125:1314 128:198 129:202 130:137 131:458 132:84 133:16 134:193 135:41 136:220 137:173 138:234 139:80 140:464 141:122 142:376 143:345 144:387 145:51 146:404 147:178 148:564 149:193 150:151 151:171 152:244 153:165 154:2 155:271 156:177 157:331 158:98 159:355 160:304 161:175 162:271 163:190 164:309 165:473 166:491 167:388 168:759 169:157 170:567 171:46 172:2 173:436 174:532 175:23 180:278 183:212 184:3 186:267 187:222 188:1259 189:601 190:3469 192:5725 193:4402 194:3350 195:2760 196:1169 198:3552 199:3395 200:5282 201:1468 202:8069 203:8312 204:3996 205:2173 206:2426 207:3051 208:3916 209:3397 210:2538 211:1178 212:1661 213:1649 214:253 215:60 216:4418 217:1477 218:481 219:443 220:1145 221:463 222:299 End of report