This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG and the RIPE Routing Working Group. 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 10 Jul, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 325466 Prefixes after maximum aggregation: 149552 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 158969 Total ASes present in the Internet Routing Table: 34308 Prefixes per ASN: 9.49 Origin-only ASes present in the Internet Routing Table: 29787 Origin ASes announcing only one prefix: 14424 Transit ASes present in the Internet Routing Table: 4521 Transit-only ASes present in the Internet Routing Table: 105 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 302 Unregistered ASNs in the Routing Table: 115 Number of 32-bit ASNs allocated by the RIRs: 679 Prefixes from 32-bit ASNs in the Routing Table: 817 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 158 Number of addresses announced to Internet: 2254936928 Equivalent to 134 /8s, 103 /16s and 155 /24s Percentage of available address space announced: 60.8 Percentage of allocated address space announced: 65.6 Percentage of available address space allocated: 92.8 Percentage of address space in use by end-sites: 83.6 Total number of prefixes smaller than registry allocations: 155267 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 78693 Total APNIC prefixes after maximum aggregation: 27034 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 75569 Unique aggregates announced from the APNIC address blocks: 33337 APNIC Region origin ASes present in the Internet Routing Table: 4107 APNIC Prefixes per ASN: 18.40 APNIC Region origin ASes announcing only one prefix: 1132 APNIC Region transit ASes present in the Internet Routing Table: 638 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 526528800 Equivalent to 31 /8s, 98 /16s and 49 /24s Percentage of available APNIC address space announced: 78.5 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 1/8, 14/8, 27/8, 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, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 134709 Total ARIN prefixes after maximum aggregation: 69317 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 107638 Unique aggregates announced from the ARIN address blocks: 41899 ARIN Region origin ASes present in the Internet Routing Table: 13775 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5281 ARIN Region transit ASes present in the Internet Routing Table: 1351 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 730782240 Equivalent to 43 /8s, 142 /16s and 218 /24s Percentage of available ARIN address space announced: 62.2 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, 50/8, 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, 107/8, 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: 74687 Total RIPE prefixes after maximum aggregation: 43289 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 67835 Unique aggregates announced from the RIPE address blocks: 44452 RIPE Region origin ASes present in the Internet Routing Table: 14572 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 7500 RIPE Region transit ASes present in the Internet Routing Table: 2177 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 433722912 Equivalent to 25 /8s, 218 /16s and 22 /24s Percentage of available RIPE address space announced: 76.0 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, 31/8, 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, 176/8, 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: 28990 Total LACNIC prefixes after maximum aggregation: 6947 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 27474 Unique aggregates announced from the LACNIC address blocks: 14473 LACNIC Region origin ASes present in the Internet Routing Table: 1305 LACNIC Prefixes per ASN: 21.05 LACNIC Region origin ASes announcing only one prefix: 401 LACNIC Region transit ASes present in the Internet Routing Table: 226 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 75275520 Equivalent to 4 /8s, 124 /16s and 157 /24s Percentage of available LACNIC address space announced: 56.1 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7322 Total AfriNIC prefixes after maximum aggregation: 1844 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 5621 Unique aggregates announced from the AfriNIC address blocks: 1725 AfriNIC Region origin ASes present in the Internet Routing Table: 373 AfriNIC Prefixes per ASN: 15.07 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 82 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19610368 Equivalent to 1 /8s, 43 /16s and 59 /24s Percentage of available AfriNIC address space announced: 58.4 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 8425 493 Korea Telecom (KIX) 4755 1369 296 163 TATA Communications formerly 7545 1359 232 105 TPG Internet Pty Ltd 17488 1322 144 125 Hathway IP Over Cable Interne 17974 1156 285 28 PT TELEKOMUNIKASI INDONESIA 9583 999 74 488 Sify Limited 24560 927 305 168 Bharti Airtel Ltd., Telemedia 4134 877 21420 409 CHINANET-BACKBONE 4808 824 1575 219 CNCGROUP IP network: China169 9829 810 683 29 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 3903 3734 290 bellsouth.net, inc. 4323 2719 1114 394 Time Warner Telecom 19262 1827 4562 274 Verizon Global Networks 1785 1778 698 129 PaeTec Communications, Inc. 20115 1546 1522 655 Charter Communications 7018 1510 5735 962 AT&T WorldNet Services 6478 1284 258 126 AT&T Worldnet Services 2386 1279 567 903 AT&T Data Communications Serv 3356 1175 10877 405 Level 3 Communications, LLC 22773 1167 2859 65 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 35805 650 56 6 United Telecom of Georgia 3292 452 2027 393 TDC Tele Danmark 30890 442 111 207 Evolva Telecom 702 414 1869 326 UUNET - Commercial IP service 9198 409 202 13 Kazakhtelecom Data Network Ad 8866 402 117 18 Bulgarian Telecommunication C 8551 400 353 46 Bezeq International 3320 373 7329 324 Deutsche Telekom AG 3301 372 1414 327 TeliaNet Sweden 34984 359 89 185 BILISIM TELEKOM 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 1523 3017 245 UniNet S.A. de C.V. 10620 1062 238 150 TVCABLE BOGOTA 28573 1028 795 98 NET Servicos de Comunicao S.A 7303 760 390 104 Telecom Argentina Stet-France 6503 682 175 219 AVANTEL, S.A. 22047 548 310 15 VTR PUNTO NET S.A. 3816 499 216 87 Empresa Nacional de Telecomun 14420 489 31 71 CORPORACION NACIONAL DE TELEC 7738 477 922 30 Telecomunicacoes da Bahia S.A 11172 451 99 77 Servicios Alestra S.A de C.V 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 1165 445 10 TEDATA 24863 727 147 39 LINKdotNET AS number 36992 646 279 185 Etisalat MISR 3741 267 834 229 The Internet Solution 33776 219 12 11 Starcomms Nigeria Limited 2018 209 244 61 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 24835 191 78 10 RAYA Telecom - Egypt 29571 177 19 10 Ci Telecom Autonomous system 16637 161 440 96 MTN Network Solutions 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 3903 3734 290 bellsouth.net, inc. 4323 2719 1114 394 Time Warner Telecom 4766 1857 8425 493 Korea Telecom (KIX) 19262 1827 4562 274 Verizon Global Networks 1785 1778 698 129 PaeTec Communications, Inc. 20115 1546 1522 655 Charter Communications 8151 1523 3017 245 UniNet S.A. de C.V. 7018 1510 5735 962 AT&T WorldNet Services 4755 1369 296 163 TATA Communications formerly 7545 1359 232 105 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2719 2325 Time Warner Telecom 1785 1778 1649 PaeTec Communications, Inc. 19262 1827 1553 Verizon Global Networks 4766 1857 1364 Korea Telecom (KIX) 8151 1523 1278 UniNet S.A. de C.V. 7545 1359 1254 TPG Internet Pty Ltd 4755 1369 1206 TATA Communications formerly 17488 1322 1197 Hathway IP Over Cable Interne 6478 1284 1158 AT&T Worldnet Services 8452 1165 1155 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 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 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 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 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 /10:25 /11:68 /12:196 /13:407 /14:709 /15:1286 /16:11170 /17:5348 /18:9150 /19:18443 /20:22955 /21:22945 /22:30130 /23:29679 /24:169670 /25:1036 /26:1328 /27:714 /28:117 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2501 3903 bellsouth.net, inc. 4766 1485 1857 Korea Telecom (KIX) 4323 1392 2719 Time Warner Telecom 1785 1239 1778 PaeTec Communications, Inc. 11492 1074 1165 Cable One 18566 1068 1087 Covad Communications 17488 1067 1322 Hathway IP Over Cable Interne 8452 1053 1165 TEDATA 10620 978 1062 TVCABLE BOGOTA 7018 910 1510 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:7 2:2 4:13 8:287 12:2015 13:7 14:1 15:22 16:3 17:8 20:17 24:1458 27:238 31:1 32:49 33:12 38:680 40:98 41:2446 44:3 46:1 47:18 52:9 55:4 56:2 57:28 58:752 59:501 60:459 61:1086 62:1065 63:1977 64:3655 65:2360 66:4042 67:1815 68:1106 69:2868 70:725 71:381 72:1952 73:2 74:2269 75:247 76:313 77:937 78:617 79:436 80:984 81:799 82:488 83:444 84:679 85:1051 86:456 87:680 88:331 89:1552 90:94 91:2863 92:487 93:989 94:1398 95:640 96:353 97:209 98:589 99:31 108:100 109:560 110:364 111:542 112:284 113:316 114:429 115:567 116:1073 117:651 118:479 119:941 120:132 121:724 122:1460 123:933 124:1122 125:1320 128:227 129:201 130:196 131:553 132:251 133:17 134:196 135:45 136:240 137:158 138:264 139:104 140:383 141:198 142:345 143:375 144:469 145:50 146:451 147:168 148:664 149:300 150:152 151:230 152:296 153:169 154:2 155:328 156:159 157:322 158:109 159:379 160:315 161:181 162:254 163:177 164:409 165:366 166:460 167:412 168:652 169:157 170:712 171:59 172:2 173:934 174:470 175:138 176:1 178:279 180:516 182:151 183:235 184:107 186:491 187:385 188:1004 189:781 190:3803 192:5733 193:4706 194:3375 195:2798 196:1184 198:3575 199:3460 200:5336 201:1564 202:7950 203:8284 204:4069 205:2330 206:2520 207:3114 208:3868 209:3454 210:2529 211:1268 212:1709 213:1640 214:641 215:69 216:4673 217:1531 218:496 219:378 220:1138 221:401 222:316 223:1 End of report