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 21 Aug, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 328585 Prefixes after maximum aggregation: 151394 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 161190 Total ASes present in the Internet Routing Table: 34625 Prefixes per ASN: 9.49 Origin-only ASes present in the Internet Routing Table: 30038 Origin ASes announcing only one prefix: 14583 Transit ASes present in the Internet Routing Table: 4587 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: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 1213 Unregistered ASNs in the Routing Table: 618 Number of 32-bit ASNs allocated by the RIRs: 740 Prefixes from 32-bit ASNs in the Routing Table: 925 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 170 Number of addresses announced to Internet: 2258724928 Equivalent to 134 /8s, 161 /16s and 104 /24s Percentage of available address space announced: 60.9 Percentage of allocated address space announced: 65.1 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 84.4 Total number of prefixes smaller than registry allocations: 155755 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 80054 Total APNIC prefixes after maximum aggregation: 27467 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 76989 Unique aggregates announced from the APNIC address blocks: 33885 APNIC Region origin ASes present in the Internet Routing Table: 4163 APNIC Prefixes per ASN: 18.49 APNIC Region origin ASes announcing only one prefix: 1166 APNIC Region transit ASes present in the Internet Routing Table: 641 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 541568800 Equivalent to 32 /8s, 71 /16s and 175 /24s Percentage of available APNIC address space announced: 76.9 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 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: 135154 Total ARIN prefixes after maximum aggregation: 69850 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107936 Unique aggregates announced from the ARIN address blocks: 42495 ARIN Region origin ASes present in the Internet Routing Table: 13862 ARIN Prefixes per ASN: 7.79 ARIN Region origin ASes announcing only one prefix: 5313 ARIN Region transit ASes present in the Internet Routing Table: 1369 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731597472 Equivalent to 43 /8s, 155 /16s and 74 /24s Percentage of available ARIN address space announced: 62.3 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: 75066 Total RIPE prefixes after maximum aggregation: 43881 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 68498 Unique aggregates announced from the RIPE address blocks: 45003 RIPE Region origin ASes present in the Internet Routing Table: 14701 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 7570 RIPE Region transit ASes present in the Internet Routing Table: 2202 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 436120704 Equivalent to 25 /8s, 254 /16s and 172 /24s Percentage of available RIPE address space announced: 76.5 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: 29723 Total LACNIC prefixes after maximum aggregation: 7064 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 28237 Unique aggregates announced from the LACNIC address blocks: 15039 LACNIC Region origin ASes present in the Internet Routing Table: 1332 LACNIC Prefixes per ASN: 21.20 LACNIC Region origin ASes announcing only one prefix: 410 LACNIC Region transit ASes present in the Internet Routing Table: 239 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 76854656 Equivalent to 4 /8s, 148 /16s and 181 /24s Percentage of available LACNIC address space announced: 57.3 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: 7417 Total AfriNIC prefixes after maximum aggregation: 1893 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 5736 Unique aggregates announced from the AfriNIC address blocks: 1684 AfriNIC Region origin ASes present in the Internet Routing Table: 395 AfriNIC Prefixes per ASN: 14.52 AfriNIC Region origin ASes announcing only one prefix: 124 AfriNIC Region transit ASes present in the Internet Routing Table: 88 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 20171264 Equivalent to 1 /8s, 51 /16s and 202 /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 1864 8412 498 Korea Telecom (KIX) 4755 1477 298 162 TATA Communications formerly 7545 1380 234 86 TPG Internet Pty Ltd 17488 1341 151 131 Hathway IP Over Cable Interne 17974 1217 293 76 PT TELEKOMUNIKASI INDONESIA 9583 1010 75 494 Sify Limited 24560 996 303 179 Bharti Airtel Ltd., Telemedia 4808 898 1671 245 CNCGROUP IP network: China169 9829 819 689 35 BSNL National Internet Backbo 4134 796 22476 419 CHINANET-BACKBONE 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 3850 3684 276 bellsouth.net, inc. 4323 2710 1116 395 Time Warner Telecom 19262 1800 4623 274 Verizon Global Networks 1785 1790 698 131 PaeTec Communications, Inc. 20115 1490 1527 653 Charter Communications 7018 1482 5736 956 AT&T WorldNet Services 6478 1301 272 125 AT&T Worldnet Services 2386 1287 554 909 AT&T Data Communications Serv 11492 1243 214 117 Cable One 22773 1177 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 449 2026 390 TDC Tele Danmark 30890 443 99 211 Evolva Telecom 702 413 1870 326 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 3320 377 7329 326 Deutsche Telekom AG 3301 374 1416 329 TeliaNet Sweden 34984 367 89 182 BILISIM TELEKOM 12479 353 576 5 Uni2 Autonomous System 3215 321 3202 93 France Telecom Transpac 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 1528 3049 247 UniNet S.A. de C.V. 10620 1093 244 150 TVCABLE BOGOTA 28573 1071 834 110 NET Servicos de Comunicao S.A 6503 811 187 263 AVANTEL, S.A. 7303 791 408 101 Telecom Argentina Stet-France 14420 552 35 78 CORPORACION NACIONAL DE TELEC 22047 549 310 15 VTR PUNTO NET S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 476 209 99 Empresa Nacional de Telecomun 11172 447 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 1163 445 10 TEDATA 24863 728 147 39 LINKdotNET AS number 36992 657 279 183 Etisalat MISR 3741 270 898 232 The Internet Solution 33776 209 12 12 Starcomms Nigeria Limited 2018 197 277 64 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 24835 193 78 9 RAYA Telecom - Egypt 29571 193 19 11 Ci Telecom Autonomous system 16637 149 440 95 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 3850 3684 276 bellsouth.net, inc. 4323 2710 1116 395 Time Warner Telecom 4766 1864 8412 498 Korea Telecom (KIX) 19262 1800 4623 274 Verizon Global Networks 1785 1790 698 131 PaeTec Communications, Inc. 8151 1528 3049 247 UniNet S.A. de C.V. 20115 1490 1527 653 Charter Communications 7018 1482 5736 956 AT&T WorldNet Services 4755 1477 298 162 TATA Communications formerly 7545 1380 234 86 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 2710 2315 Time Warner Telecom 1785 1790 1659 PaeTec Communications, Inc. 19262 1800 1526 Verizon Global Networks 4766 1864 1366 Korea Telecom (KIX) 4755 1477 1315 TATA Communications formerly 7545 1380 1294 TPG Internet Pty Ltd 8151 1528 1281 UniNet S.A. de C.V. 17488 1341 1210 Hathway IP Over Cable Interne 6478 1301 1176 AT&T Worldnet Services 8452 1163 1153 TEDATA Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 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 3561 Savvis 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 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 23054 UNALLOCATED 12.18.240.0/24 7018 AT&T WorldNet Servic 33198 UNALLOCATED 12.19.149.0/24 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 /8:19 /9:10 /10:25 /11:67 /12:198 /13:413 /14:722 /15:1311 /16:11218 /17:5411 /18:9272 /19:18562 /20:23351 /21:23365 /22:30395 /23:29879 /24:171207 /25:1056 /26:1192 /27:734 /28:118 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2463 3850 bellsouth.net, inc. 4766 1487 1864 Korea Telecom (KIX) 4323 1373 2710 Time Warner Telecom 1785 1253 1790 PaeTec Communications, Inc. 11492 1086 1243 Cable One 17488 1084 1341 Hathway IP Over Cable Interne 18566 1068 1087 Covad Communications 8452 1052 1163 TEDATA 10620 1006 1093 TVCABLE BOGOTA 24560 895 996 Bharti Airtel Ltd., Telemedia Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:55 2:2 4:13 8:299 12:2009 13:7 14:1 15:21 16:3 17:9 20:6 24:1430 27:297 31:1 32:61 33:22 38:698 40:97 41:2518 44:3 46:26 47:16 52:12 55:7 56:2 57:29 58:800 59:506 60:460 61:1075 62:1063 63:1968 64:3733 65:2309 66:4010 67:1823 68:1105 69:2771 70:745 71:357 72:1941 73:2 74:2318 75:263 76:327 77:889 78:618 79:438 80:1017 81:798 82:504 83:490 84:691 85:1047 86:473 87:692 88:307 89:1519 90:99 91:2974 92:417 93:1005 94:1176 95:679 96:521 97:216 98:612 99:34 108:64 109:635 110:449 111:542 112:277 113:312 114:447 115:574 116:1095 117:658 118:491 119:888 120:140 121:716 122:1532 123:945 124:1125 125:1246 128:227 129:164 130:201 131:539 132:247 133:16 134:195 135:45 136:237 137:135 138:270 139:105 140:474 141:197 142:342 143:374 144:472 145:52 146:413 147:172 148:677 149:303 150:153 151:228 152:299 153:169 154:3 155:361 156:166 157:328 158:118 159:361 160:316 161:183 162:255 163:168 164:414 165:367 166:457 167:413 168:652 169:159 170:718 171:60 172:2 173:981 174:511 175:154 176:1 177:1 178:406 180:586 181:1 182:169 183:238 184:210 186:565 187:423 188:796 189:759 190:3959 192:5761 193:4741 194:3418 195:2780 196:1186 198:3570 199:3575 200:5399 201:1586 202:8034 203:8262 204:4015 205:2393 206:2486 207:3063 208:3889 209:3466 210:2562 211:1315 212:1765 213:1682 214:658 215:67 216:4693 217:1556 218:502 219:379 220:1142 221:404 222:316 223:3 End of report