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 APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, CaribNOG 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 11 Sep, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 331078 Prefixes after maximum aggregation: 151868 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 162291 Total ASes present in the Internet Routing Table: 34754 Prefixes per ASN: 9.53 Origin-only ASes present in the Internet Routing Table: 30146 Origin ASes announcing only one prefix: 14627 Transit ASes present in the Internet Routing Table: 4608 Transit-only ASes present in the Internet Routing Table: 104 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 35 Max AS path prepend of ASN (45127) 27 Prefixes from unregistered ASNs in the Routing Table: 2342 Unregistered ASNs in the Routing Table: 1103 Number of 32-bit ASNs allocated by the RIRs: 763 Prefixes from 32-bit ASNs in the Routing Table: 1006 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 187 Number of addresses announced to Internet: 2264627392 Equivalent to 134 /8s, 251 /16s and 120 /24s Percentage of available address space announced: 61.1 Percentage of allocated address space announced: 65.2 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 84.7 Total number of prefixes smaller than registry allocations: 156686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 80589 Total APNIC prefixes after maximum aggregation: 27550 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 77583 Unique aggregates announced from the APNIC address blocks: 34032 APNIC Region origin ASes present in the Internet Routing Table: 4179 APNIC Prefixes per ASN: 18.56 APNIC Region origin ASes announcing only one prefix: 1166 APNIC Region transit ASes present in the Internet Routing Table: 645 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 35 Number of APNIC addresses announced to Internet: 543897888 Equivalent to 32 /8s, 107 /16s and 57 /24s Percentage of available APNIC address space announced: 77.2 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, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 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: 135897 Total ARIN prefixes after maximum aggregation: 69980 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 108534 Unique aggregates announced from the ARIN address blocks: 42821 ARIN Region origin ASes present in the Internet Routing Table: 13893 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5328 ARIN Region transit ASes present in the Internet Routing Table: 1375 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 733340320 Equivalent to 43 /8s, 181 /16s and 226 /24s Percentage of available ARIN address space announced: 62.4 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: 75671 Total RIPE prefixes after maximum aggregation: 44053 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 69110 Unique aggregates announced from the RIPE address blocks: 45303 RIPE Region origin ASes present in the Internet Routing Table: 14768 RIPE Prefixes per ASN: 4.68 RIPE Region origin ASes announcing only one prefix: 7593 RIPE Region transit ASes present in the Internet Routing Table: 2218 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 438226944 Equivalent to 26 /8s, 30 /16s and 208 /24s Percentage of available RIPE address space announced: 76.8 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: 30221 Total LACNIC prefixes after maximum aggregation: 7101 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 28778 Unique aggregates announced from the LACNIC address blocks: 15291 LACNIC Region origin ASes present in the Internet Routing Table: 1345 LACNIC Prefixes per ASN: 21.40 LACNIC Region origin ASes announcing only one prefix: 419 LACNIC Region transit ASes present in the Internet Routing Table: 233 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 76470144 Equivalent to 4 /8s, 142 /16s and 215 /24s Percentage of available LACNIC address space announced: 57.0 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: 7448 Total AfriNIC prefixes after maximum aggregation: 1868 AfriNIC Deaggregation factor: 3.99 Prefixes being announced from the AfriNIC address blocks: 5723 Unique aggregates announced from the AfriNIC address blocks: 1653 AfriNIC Region origin ASes present in the Internet Routing Table: 399 AfriNIC Prefixes per ASN: 14.34 AfriNIC Region origin ASes announcing only one prefix: 121 AfriNIC Region transit ASes present in the Internet Routing Table: 89 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 20156416 Equivalent to 1 /8s, 51 /16s and 144 /24s Percentage of available AfriNIC address space announced: 60.1 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 1868 8412 500 Korea Telecom (KIX) 4755 1459 367 163 TATA Communications formerly 7545 1364 234 83 TPG Internet Pty Ltd 17488 1346 153 123 Hathway IP Over Cable Interne 17974 1212 296 66 PT TELEKOMUNIKASI INDONESIA 24560 1027 303 177 Bharti Airtel Ltd., Telemedia 9583 1017 76 490 Sify Limited 4808 932 1713 260 CNCGROUP IP network: China169 18101 847 97 127 Reliance Infocom Ltd Internet 9829 818 691 36 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 3807 3667 273 bellsouth.net, inc. 4323 2709 1107 393 Time Warner Telecom 19262 1814 4644 284 Verizon Global Networks 1785 1791 698 131 PaeTec Communications, Inc. 20115 1492 1529 652 Charter Communications 7018 1473 5734 949 AT&T WorldNet Services 6478 1329 273 150 AT&T Worldnet Services 2386 1288 554 906 AT&T Data Communications Serv 11492 1193 227 90 Cable One 22773 1185 2858 61 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 8551 544 353 46 Bezeq International 3292 448 2026 389 TDC Tele Danmark 30890 444 100 212 Evolva Telecom 702 411 1869 324 UUNET - Commercial IP service 8866 404 117 19 Bulgarian Telecommunication C 3301 376 1672 331 TeliaNet Sweden 34984 372 90 184 BILISIM TELEKOM 3320 367 7327 321 Deutsche Telekom AG 12479 357 576 5 Uni2 Autonomous System 31148 336 18 77 FreeNet ISP 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 1505 2908 283 UniNet S.A. de C.V. 10620 1319 247 148 TVCABLE BOGOTA 28573 1120 862 111 NET Servicos de Comunicao S.A 6503 884 194 280 AVANTEL, S.A. 7303 796 408 101 Telecom Argentina Stet-France 14420 569 36 76 CORPORACION NACIONAL DE TELEC 22047 561 310 15 VTR PUNTO NET S.A. 3816 480 209 94 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 11172 444 99 76 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 1153 445 10 TEDATA 24863 728 147 39 LINKdotNET AS number 36992 662 279 177 Etisalat MISR 3741 266 906 224 The Internet Solution 33776 209 12 12 Starcomms Nigeria Limited 6713 203 199 12 Itissalat Al-MAGHRIB 29571 198 19 11 Ci Telecom Autonomous system 2018 197 277 64 Tertiary Education Network 24835 190 78 9 RAYA Telecom - Egypt 16637 154 440 97 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 3807 3667 273 bellsouth.net, inc. 4323 2709 1107 393 Time Warner Telecom 4766 1868 8412 500 Korea Telecom (KIX) 19262 1814 4644 284 Verizon Global Networks 1785 1791 698 131 PaeTec Communications, Inc. 8151 1505 2908 283 UniNet S.A. de C.V. 20115 1492 1529 652 Charter Communications 7018 1473 5734 949 AT&T WorldNet Services 4755 1459 367 163 TATA Communications formerly 7545 1364 234 83 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 2709 2316 Time Warner Telecom 1785 1791 1660 PaeTec Communications, Inc. 19262 1814 1530 Verizon Global Networks 4766 1868 1368 Korea Telecom (KIX) 4755 1459 1296 TATA Communications formerly 7545 1364 1281 TPG Internet Pty Ltd 17488 1346 1223 Hathway IP Over Cable Interne 8151 1505 1222 UniNet S.A. de C.V. 6478 1329 1179 AT&T Worldnet Services 10620 1319 1171 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S 33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio 16734 UNALLOCATED 8.18.204.0/24 26914 Global Netoptex, Inc 53562 UNALLOCATED 8.19.94.0/24 3356 Level 3 Communicatio 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 46856 UNALLOCATED 8.22.184.0/22 3356 Level 3 Communicatio 26169 UNALLOCATED 8.225.177.0/24 20225 TelJet 32249 UNALLOCATED 8.225.178.0/24 3356 Level 3 Communicatio 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 46883 UNALLOCATED 12.4.222.0/24 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<< 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 41.223.199.0/24 36990 Alkan Telecom Ltd 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 /10:25 /11:67 /12:199 /13:414 /14:729 /15:1317 /16:11282 /17:5436 /18:9300 /19:18612 /20:23478 /21:23608 /22:30739 /23:30142 /24:172526 /25:1068 /26:1181 /27:703 /28:163 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2427 3807 bellsouth.net, inc. 4766 1490 1868 Korea Telecom (KIX) 4323 1370 2709 Time Warner Telecom 1785 1254 1791 PaeTec Communications, Inc. 10620 1207 1319 TVCABLE BOGOTA 11492 1095 1193 Cable One 17488 1087 1346 Hathway IP Over Cable Interne 18566 1068 1087 Covad Communications 8452 1044 1153 TEDATA 24560 928 1027 Bharti Airtel Ltd., Telemedia Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:66 2:10 4:13 8:305 12:2014 13:8 14:2 15:21 16:3 17:9 20:7 24:1445 27:335 31:1 32:60 33:22 38:694 40:97 41:2529 44:3 46:62 47:16 49:1 52:12 55:6 56:2 57:29 58:825 59:498 60:474 61:1082 62:1108 63:1968 64:3734 65:2306 66:3987 67:1865 68:1131 69:2794 70:724 71:371 72:1932 73:2 74:2327 75:279 76:331 77:906 78:650 79:434 80:993 81:812 82:490 83:442 84:679 85:1040 86:448 87:686 88:323 89:1550 90:96 91:3004 92:424 93:989 94:1170 95:692 96:510 97:218 98:622 99:34 101:1 108:64 109:665 110:499 111:573 112:298 113:298 114:451 115:584 116:1096 117:657 118:508 119:874 120:141 121:709 122:1543 123:928 124:1214 125:1240 128:226 129:157 130:169 131:539 132:258 133:17 134:196 135:46 136:222 137:137 138:272 139:107 140:478 141:197 142:343 143:351 144:474 145:54 146:420 147:169 148:665 149:303 150:152 151:233 152:287 153:170 154:3 155:362 156:167 157:332 158:112 159:358 160:313 161:183 162:271 163:167 164:417 165:368 166:468 167:422 168:649 169:156 170:727 171:61 172:2 173:1045 174:487 175:167 176:1 177:1 178:462 180:641 181:1 182:208 183:236 184:155 186:606 187:522 188:806 189:806 190:4109 192:5771 193:4734 194:3436 195:2797 196:1226 198:3579 199:3570 200:5439 201:1598 202:8091 203:8265 204:4020 205:2393 206:2529 207:3068 208:3880 209:3466 210:2554 211:1291 212:1782 213:1683 214:660 215:67 216:4784 217:1592 218:473 219:398 220:1143 221:386 222:313 223:40 End of report