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 11 Jul, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 290262 Prefixes after maximum aggregation: 137789 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 144391 Total ASes present in the Internet Routing Table: 31706 Prefixes per ASN: 9.15 Origin-only ASes present in the Internet Routing Table: 27560 Origin ASes announcing only one prefix: 13420 Transit ASes present in the Internet Routing Table: 4146 Transit-only ASes present in the Internet Routing Table: 100 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 474 Unregistered ASNs in the Routing Table: 132 Number of 32-bit ASNs allocated by the RIRs: 198 Prefixes from 32-bit ASNs in the Routing Table: 71 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 345 Number of addresses announced to Internet: 2087524224 Equivalent to 124 /8s, 109 /16s and 23 /24s Percentage of available address space announced: 56.3 Percentage of allocated address space announced: 65.2 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 78.3 Total number of prefixes smaller than registry allocations: 143711 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 69187 Total APNIC prefixes after maximum aggregation: 24705 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 68608 Unique aggregates announced from the APNIC address blocks: 31331 APNIC Region origin ASes present in the Internet Routing Table: 3695 APNIC Prefixes per ASN: 18.57 APNIC Region origin ASes announcing only one prefix: 1009 APNIC Region transit ASes present in the Internet Routing Table: 577 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 469024448 Equivalent to 27 /8s, 244 /16s and 190 /24s Percentage of available APNIC address space announced: 87.4 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, 180/8, 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: 123512 Total ARIN prefixes after maximum aggregation: 65893 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 124200 Unique aggregates announced from the ARIN address blocks: 52016 ARIN Region origin ASes present in the Internet Routing Table: 13085 ARIN Prefixes per ASN: 9.49 ARIN Region origin ASes announcing only one prefix: 5027 ARIN Region transit ASes present in the Internet Routing Table: 1279 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 1027107904 Equivalent to 61 /8s, 56 /16s and 108 /24s Percentage of available ARIN address space announced: 197.5 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 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: 66575 Total RIPE prefixes after maximum aggregation: 39344 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 66212 Unique aggregates announced from the RIPE address blocks: 44657 RIPE Region origin ASes present in the Internet Routing Table: 13271 RIPE Prefixes per ASN: 4.99 RIPE Region origin ASes announcing only one prefix: 6926 RIPE Region transit ASes present in the Internet Routing Table: 1987 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 496541888 Equivalent to 29 /8s, 152 /16s and 160 /24s Percentage of available RIPE address space announced: 105.7 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: 24417 Total LACNIC prefixes after maximum aggregation: 6023 LACNIC Deaggregation factor: 4.05 Prefixes being announced from the LACNIC address blocks: 24331 Unique aggregates announced from the LACNIC address blocks: 13563 LACNIC Region origin ASes present in the Internet Routing Table: 1139 LACNIC Prefixes per ASN: 21.36 LACNIC Region origin ASes announcing only one prefix: 367 LACNIC Region transit ASes present in the Internet Routing Table: 189 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 72246144 Equivalent to 4 /8s, 78 /16s and 99 /24s Percentage of available LACNIC address space announced: 71.8 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: 6155 Total AfriNIC prefixes after maximum aggregation: 1499 AfriNIC Deaggregation factor: 4.11 Prefixes being announced from the AfriNIC address blocks: 6552 Unique aggregates announced from the AfriNIC address blocks: 2548 AfriNIC Region origin ASes present in the Internet Routing Table: 307 AfriNIC Prefixes per ASN: 21.34 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 66 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 20229888 Equivalent to 1 /8s, 52 /16s and 175 /24s Percentage of available AfriNIC address space announced: 60.3 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 1702 6934 407 Korea Telecom (KIX) 17488 1536 138 94 Hathway IP Over Cable Interne 4755 1217 308 144 TATA Communications formerly 9583 1125 87 560 Sify Limited 4134 979 17164 376 CHINANET-BACKBONE 7545 812 198 102 TPG Internet Pty Ltd 23577 781 34 665 Korea Telecom (ATM-MPLS) 9829 766 603 18 BSNL National Internet Backbo 18101 750 200 32 Reliance Infocom Ltd Internet 24560 725 230 171 Bharti Airtel Ltd. 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 4261 3643 322 bellsouth.net, inc. 4323 1886 1047 384 Time Warner Telecom 1785 1709 714 140 PaeTec Communications, Inc. 7018 1504 5909 1050 AT&T WorldNet Services 20115 1405 1464 681 Charter Communications 2386 1272 671 925 AT&T Data Communications Serv 6478 1209 275 308 AT&T Worldnet Services 3356 1195 10961 442 Level 3 Communications, LLC 11492 1127 208 12 Cable One 22773 1075 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 484 92 197 Evolva Telecom 12479 476 578 6 Uni2 Autonomous System 3292 458 1902 394 TDC Tele Danmark 702 428 1861 344 UUNET - Commercial IP service 35805 356 40 5 United Telecom of Georgia 3320 348 7067 301 Deutsche Telekom AG 3301 347 1684 309 TeliaNet Sweden 3215 343 3065 108 France Telecom Transpac 8866 335 109 20 Bulgarian Telecommunication C 29049 308 26 3 AzerSat LLC. 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 1457 2882 235 UniNet S.A. de C.V. 10620 923 211 104 TVCABLE BOGOTA 28573 611 570 31 NET Servicos de Comunicao S.A 7303 591 312 93 Telecom Argentina Stet-France 22047 543 302 14 VTR PUNTO NET S.A. 11830 488 294 52 Instituto Costarricense de El 11172 441 99 69 Servicios Alestra S.A de C.V 6471 439 96 31 ENTEL CHILE S.A. 7738 410 858 29 Telecomunicacoes da Bahia S.A 3816 382 190 78 Empresa Nacional de Telecomun 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 993 188 7 TEDATA 24863 894 88 46 LINKdotNET AS number 20858 322 34 5 EgyNet 3741 276 856 236 The Internet Solution 2018 243 215 143 Tertiary Education Network 6713 176 166 16 Itissalat Al-MAGHRIB 33783 152 10 8 EEPAD TISP TELECOM & INTERNET 29571 140 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 33776 121 7 11 Starcomms Nigeria Limited 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 4261 3643 322 bellsouth.net, inc. 4323 1886 1047 384 Time Warner Telecom 1785 1709 714 140 PaeTec Communications, Inc. 4766 1702 6934 407 Korea Telecom (KIX) 17488 1536 138 94 Hathway IP Over Cable Interne 7018 1504 5909 1050 AT&T WorldNet Services 8151 1457 2882 235 UniNet S.A. de C.V. 20115 1405 1464 681 Charter Communications 2386 1272 671 925 AT&T Data Communications Serv 4755 1217 308 144 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 1785 1709 1569 PaeTec Communications, Inc. 4323 1886 1502 Time Warner Telecom 17488 1536 1442 Hathway IP Over Cable Interne 4766 1702 1295 Korea Telecom (KIX) 8151 1457 1222 UniNet S.A. de C.V. 11492 1127 1115 Cable One 4755 1217 1073 TATA Communications formerly 18566 1062 1052 Covad Communications 22773 1075 1009 Cox Communications, Inc. 8452 993 986 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 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.112.0/22 5713 Telkom SA Ltd 41.223.176.0/22 36981 >>UNKNOWN<< 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 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 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 /8:20 /9:10 /10:23 /11:58 /12:169 /13:350 /14:611 /15:1164 /16:10527 /17:4749 /18:8201 /19:17096 /20:20431 /21:20272 /22:26049 /23:25958 /24:151912 /25:902 /26:1028 /27:561 /28:148 /29:8 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2773 4261 bellsouth.net, inc. 4766 1401 1702 Korea Telecom (KIX) 17488 1282 1536 Hathway IP Over Cable Interne 1785 1180 1709 PaeTec Communications, Inc. 11492 1053 1127 Cable One 18566 1043 1062 Covad Communications 2386 988 1272 AT&T Data Communications Serv 9583 977 1125 Sify Limited 4323 957 1886 Time Warner Telecom 8452 917 993 TEDATA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:14 8:209 12:2141 13:8 15:19 16:3 17:5 20:35 24:1098 32:51 38:576 40:98 41:1766 43:1 44:2 47:22 52:5 55:2 56:2 57:24 58:591 59:651 60:464 61:1075 62:1115 63:2046 64:3714 65:2406 66:3595 67:1606 68:822 69:2650 70:557 71:146 72:1664 73:2 74:1606 75:171 76:341 77:844 78:562 79:354 80:981 81:841 82:569 83:459 84:634 85:1026 86:393 87:673 88:352 89:1451 90:50 91:2392 92:330 93:1115 94:1229 95:1114 96:149 97:212 98:247 99:26 110:175 111:58 112:108 113:142 114:252 115:311 116:1096 117:536 118:352 119:743 120:145 121:779 122:1052 123:709 124:983 125:1392 128:224 129:231 130:128 131:399 132:71 133:9 134:188 135:39 136:223 137:163 138:169 139:79 140:442 141:119 142:391 143:353 144:366 145:48 146:387 147:154 148:519 149:232 150:177 151:194 152:145 153:147 154:2 155:274 156:164 157:300 158:118 159:343 160:284 161:152 162:274 163:162 164:480 165:502 166:463 167:356 168:656 169:171 170:477 171:41 172:10 173:305 174:235 178:1 186:96 187:99 188:246 189:473 190:2875 192:5789 193:4254 194:3311 195:2682 196:1103 198:3601 199:3361 200:5107 201:1317 202:7707 203:8267 204:3890 205:2153 206:2444 207:2740 208:3870 209:3375 210:2540 211:1133 212:1633 213:1636 214:73 215:24 216:4533 217:1335 218:400 219:441 220:1114 221:481 222:303 End of report