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 04 Sep, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 330158 Prefixes after maximum aggregation: 151682 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 162121 Total ASes present in the Internet Routing Table: 34721 Prefixes per ASN: 9.51 Origin-only ASes present in the Internet Routing Table: 30112 Origin ASes announcing only one prefix: 14633 Transit ASes present in the Internet Routing Table: 4609 Transit-only ASes present in the Internet Routing Table: 102 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 1987 Unregistered ASNs in the Routing Table: 969 Number of 32-bit ASNs allocated by the RIRs: 757 Prefixes from 32-bit ASNs in the Routing Table: 991 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 191 Number of addresses announced to Internet: 2279348416 Equivalent to 135 /8s, 220 /16s and 24 /24s Percentage of available address space announced: 61.5 Percentage of allocated address space announced: 65.7 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 84.6 Total number of prefixes smaller than registry allocations: 156259 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 80332 Total APNIC prefixes after maximum aggregation: 27557 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 77315 Unique aggregates announced from the APNIC address blocks: 34057 APNIC Region origin ASes present in the Internet Routing Table: 4177 APNIC Prefixes per ASN: 18.51 APNIC Region origin ASes announcing only one prefix: 1170 APNIC Region transit ASes present in the Internet Routing Table: 642 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 543003680 Equivalent to 32 /8s, 93 /16s and 148 /24s Percentage of available APNIC address space announced: 77.1 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: 135713 Total ARIN prefixes after maximum aggregation: 69909 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 108391 Unique aggregates announced from the ARIN address blocks: 42744 ARIN Region origin ASes present in the Internet Routing Table: 13888 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5328 ARIN Region transit ASes present in the Internet Routing Table: 1377 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 733182368 Equivalent to 43 /8s, 179 /16s and 121 /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: 75380 Total RIPE prefixes after maximum aggregation: 43966 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 68844 Unique aggregates announced from the RIPE address blocks: 45168 RIPE Region origin ASes present in the Internet Routing Table: 14750 RIPE Prefixes per ASN: 4.67 RIPE Region origin ASes announcing only one prefix: 7592 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: 436878592 Equivalent to 26 /8s, 10 /16s and 61 /24s Percentage of available RIPE address space announced: 76.6 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: 30075 Total LACNIC prefixes after maximum aggregation: 7082 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 28605 Unique aggregates announced from the LACNIC address blocks: 15336 LACNIC Region origin ASes present in the Internet Routing Table: 1342 LACNIC Prefixes per ASN: 21.32 LACNIC Region origin ASes announcing only one prefix: 417 LACNIC Region transit ASes present in the Internet Routing Table: 235 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 77005696 Equivalent to 4 /8s, 151 /16s and 3 /24s Percentage of available LACNIC address space announced: 57.4 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: 7421 Total AfriNIC prefixes after maximum aggregation: 1872 AfriNIC Deaggregation factor: 3.96 Prefixes being announced from the AfriNIC address blocks: 5738 Unique aggregates announced from the AfriNIC address blocks: 1658 AfriNIC Region origin ASes present in the Internet Routing Table: 397 AfriNIC Prefixes per ASN: 14.45 AfriNIC Region origin ASes announcing only one prefix: 126 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: 20221952 Equivalent to 1 /8s, 52 /16s and 144 /24s Percentage of available AfriNIC address space announced: 60.3 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 1866 8412 500 Korea Telecom (KIX) 4755 1483 303 164 TATA Communications formerly 7545 1367 233 82 TPG Internet Pty Ltd 17488 1346 153 128 Hathway IP Over Cable Interne 17974 1206 296 82 PT TELEKOMUNIKASI INDONESIA 24560 1020 303 179 Bharti Airtel Ltd., Telemedia 9583 1017 76 490 Sify Limited 4808 933 1713 260 CNCGROUP IP network: China169 18101 844 95 126 Reliance Infocom Ltd Internet 9829 819 690 35 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 3826 3667 273 bellsouth.net, inc. 4323 2703 1107 392 Time Warner Telecom 19262 1812 4643 282 Verizon Global Networks 1785 1790 698 131 PaeTec Communications, Inc. 20115 1491 1528 651 Charter Communications 7018 1474 5734 951 AT&T WorldNet Services 6478 1332 275 109 AT&T Worldnet Services 2386 1287 554 905 AT&T Data Communications Serv 11492 1189 226 89 Cable One 22773 1181 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 3292 448 2018 389 TDC Tele Danmark 30890 444 100 212 Evolva Telecom 702 411 1869 324 UUNET - Commercial IP service 8551 403 353 47 Bezeq International 8866 403 117 18 Bulgarian Telecommunication C 3301 374 1416 329 TeliaNet Sweden 3320 372 7328 322 Deutsche Telekom AG 34984 372 90 184 BILISIM TELEKOM 12479 352 576 5 Uni2 Autonomous System 31148 331 17 76 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 1525 3049 245 UniNet S.A. de C.V. 10620 1204 247 148 TVCABLE BOGOTA 28573 1123 863 111 NET Servicos de Comunicao S.A 6503 874 188 272 AVANTEL, S.A. 7303 795 408 102 Telecom Argentina Stet-France 14420 565 36 76 CORPORACION NACIONAL DE TELEC 22047 555 310 15 VTR PUNTO NET S.A. 3816 477 210 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 1149 445 10 TEDATA 24863 725 147 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 2018 197 277 64 Tertiary Education Network 29571 193 19 11 Ci Telecom Autonomous system 24835 190 78 9 RAYA Telecom - Egypt 16637 150 440 98 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 3826 3667 273 bellsouth.net, inc. 4323 2703 1107 392 Time Warner Telecom 4766 1866 8412 500 Korea Telecom (KIX) 19262 1812 4643 282 Verizon Global Networks 1785 1790 698 131 PaeTec Communications, Inc. 8151 1525 3049 245 UniNet S.A. de C.V. 20115 1491 1528 651 Charter Communications 4755 1483 303 164 TATA Communications formerly 7018 1474 5734 951 AT&T WorldNet Services 7545 1367 233 82 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 2703 2311 Time Warner Telecom 1785 1790 1659 PaeTec Communications, Inc. 19262 1812 1530 Verizon Global Networks 4766 1866 1366 Korea Telecom (KIX) 4755 1483 1319 TATA Communications formerly 7545 1367 1285 TPG Internet Pty Ltd 8151 1525 1280 UniNet S.A. de C.V. 6478 1332 1223 AT&T Worldnet Services 17488 1346 1218 Hathway IP Over Cable Interne 8452 1149 1139 TEDATA 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 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 15132 UNALLOCATED 12.9.150.0/24 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<< 41.223.189.0/24 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 41.223.199.0/24 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 /11:67 /12:198 /13:414 /14:724 /15:1315 /16:11259 /17:5420 /18:9283 /19:18666 /20:23423 /21:23540 /22:30709 /23:29993 /24:171963 /25:1061 /26:1173 /27:719 /28:116 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2445 3826 bellsouth.net, inc. 4766 1488 1866 Korea Telecom (KIX) 4323 1366 2703 Time Warner Telecom 1785 1253 1790 PaeTec Communications, Inc. 11492 1093 1189 Cable One 10620 1092 1204 TVCABLE BOGOTA 17488 1088 1346 Hathway IP Over Cable Interne 18566 1068 1087 Covad Communications 8452 1040 1149 TEDATA 24560 921 1020 Bharti Airtel Ltd., Telemedia Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:60 2:8 4:13 8:303 12:2017 13:8 14:1 15:21 16:3 17:9 20:7 24:1438 27:298 31:1 32:61 33:22 38:692 40:97 41:2519 44:3 46:55 47:16 52:12 55:5 56:2 57:28 58:805 59:504 60:470 61:1078 62:1038 63:1971 64:3734 65:2307 66:3975 67:1870 68:1135 69:2778 70:743 71:372 72:1940 73:2 74:2306 75:275 76:331 77:915 78:635 79:435 80:1016 81:774 82:501 83:438 84:687 85:1040 86:486 87:692 88:318 89:1536 90:96 91:2996 92:426 93:982 94:1166 95:683 96:507 97:218 98:622 99:34 108:64 109:669 110:481 111:570 112:283 113:316 114:450 115:579 116:1101 117:657 118:507 119:884 120:141 121:707 122:1537 123:961 124:1204 125:1244 128:226 129:158 130:170 131:538 132:246 133:17 134:196 135:46 136:221 137:137 138:272 139:105 140:478 141:196 142:343 143:351 144:472 145:53 146:427 147:169 148:677 149:307 150:153 151:233 152:298 153:169 154:3 155:360 156:167 157:332 158:110 159:358 160:313 161:183 162:269 163:167 164:415 165:368 166:468 167:423 168:667 169:157 170:725 171:61 172:2 173:1034 174:476 175:161 176:1 177:1 178:442 180:604 181:1 182:207 183:232 184:153 186:582 187:514 188:799 189:800 190:4020 192:5764 193:4748 194:3429 195:2793 196:1190 198:3575 199:3560 200:5451 201:1590 202:8053 203:8275 204:4011 205:2387 206:2530 207:3068 208:3869 209:3467 210:2547 211:1295 212:1743 213:1667 214:655 215:67 216:4791 217:1581 218:471 219:394 220:1141 221:387 222:313 223:27 End of report