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 <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 10 Apr, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 317715 Prefixes after maximum aggregation: 146886 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 154431 Total ASes present in the Internet Routing Table: 33740 Prefixes per ASN: 9.42 Origin-only ASes present in the Internet Routing Table: 29288 Origin ASes announcing only one prefix: 14309 Transit ASes present in the Internet Routing Table: 4452 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 (32374) 19 Prefixes from unregistered ASNs in the Routing Table: 555 Unregistered ASNs in the Routing Table: 134 Number of 32-bit ASNs allocated by the RIRs: 513 Prefixes from 32-bit ASNs in the Routing Table: 548 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 231 Number of addresses announced to Internet: 2194938368 Equivalent to 130 /8s, 212 /16s and 26 /24s Percentage of available address space announced: 59.2 Percentage of allocated address space announced: 65.8 Percentage of available address space allocated: 90.0 Percentage of address space in use by end-sites: 82.1 Total number of prefixes smaller than registry allocations: 152258 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76202 Total APNIC prefixes after maximum aggregation: 26387 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 73052 Unique aggregates announced from the APNIC address blocks: 31963 APNIC Region origin ASes present in the Internet Routing Table: 3990 APNIC Prefixes per ASN: 18.31 APNIC Region origin ASes announcing only one prefix: 1096 APNIC Region transit ASes present in the Internet Routing Table: 625 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 507394112 Equivalent to 30 /8s, 62 /16s and 56 /24s Percentage of available APNIC address space announced: 79.6 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, 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, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 132971 Total ARIN prefixes after maximum aggregation: 68737 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 105911 Unique aggregates announced from the ARIN address blocks: 40478 ARIN Region origin ASes present in the Internet Routing Table: 13621 ARIN Prefixes per ASN: 7.78 ARIN Region origin ASes announcing only one prefix: 5272 ARIN Region transit ASes present in the Internet Routing Table: 1347 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 724849952 Equivalent to 43 /8s, 52 /16s and 85 /24s Percentage of available ARIN address space announced: 61.7 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: 72807 Total RIPE prefixes after maximum aggregation: 42457 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 65774 Unique aggregates announced from the RIPE address blocks: 43269 RIPE Region origin ASes present in the Internet Routing Table: 14329 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 7421 RIPE Region transit ASes present in the Internet Routing Table: 2143 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 420904608 Equivalent to 25 /8s, 22 /16s and 126 /24s Percentage of available RIPE address space announced: 78.4 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, 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, 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: 28079 Total LACNIC prefixes after maximum aggregation: 6725 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 26436 Unique aggregates announced from the LACNIC address blocks: 13768 LACNIC Region origin ASes present in the Internet Routing Table: 1266 LACNIC Prefixes per ASN: 20.88 LACNIC Region origin ASes announcing only one prefix: 419 LACNIC Region transit ASes present in the Internet Routing Table: 216 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 72079872 Equivalent to 4 /8s, 75 /16s and 218 /24s Percentage of available LACNIC address space announced: 71.6 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 6671 Total AfriNIC prefixes after maximum aggregation: 1791 AfriNIC Deaggregation factor: 3.72 Prefixes being announced from the AfriNIC address blocks: 5006 Unique aggregates announced from the AfriNIC address blocks: 1510 AfriNIC Region origin ASes present in the Internet Routing Table: 354 AfriNIC Prefixes per ASN: 14.14 AfriNIC Region origin ASes announcing only one prefix: 101 AfriNIC Region transit ASes present in the Internet Routing Table: 79 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 15066112 Equivalent to 0 /8s, 229 /16s and 228 /24s Percentage of available AfriNIC address space announced: 44.9 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 1840 8405 478 Korea Telecom (KIX) 17488 1309 136 131 Hathway IP Over Cable Interne 4755 1301 289 146 TATA Communications formerly 7545 1099 201 105 TPG Internet Pty Ltd 4134 1027 20377 397 CHINANET-BACKBONE 17974 998 281 18 PT TELEKOMUNIKASI INDONESIA 9583 985 72 485 Sify Limited 24560 875 303 168 Bharti Airtel Ltd., Telemedia 4808 845 1586 214 CNCGROUP IP network: China169 9829 829 686 26 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 4014 3838 296 bellsouth.net, inc. 4323 3836 1099 398 Time Warner Telecom 1785 1754 699 132 PaeTec Communications, Inc. 7018 1576 5760 1004 AT&T WorldNet Services 20115 1528 1502 657 Charter Communications 2386 1325 618 935 AT&T Data Communications Serv 3356 1232 10956 427 Level 3 Communications, LLC 6478 1187 247 182 AT&T Worldnet Services 11492 1150 222 14 Cable One 22773 1139 2605 71 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 613 56 6 United Telecom of Georgia 3292 448 1899 390 TDC Tele Danmark 30890 440 100 204 Evolva Telecom 702 422 1870 333 UUNET - Commercial IP service 8551 401 356 37 Bezeq International 8866 397 117 18 Bulgarian Telecommunication C 3320 365 7072 319 Deutsche Telekom AG 3301 355 1413 316 TeliaNet Sweden 3215 348 3238 104 France Telecom Transpac 12479 331 576 5 Uni2 Autonomous System 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 1537 2956 240 UniNet S.A. de C.V. 10620 1020 229 169 TVCABLE BOGOTA 28573 898 732 85 NET Servicos de Comunicao S.A 7303 698 361 100 Telecom Argentina Stet-France 6503 542 171 212 AVANTEL, S.A. 22047 540 310 15 VTR PUNTO NET S.A. 18881 530 268 11 Global Village Telecom 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 457 195 70 Empresa Nacional de Telecomun 14117 455 30 13 Telefonica del Sur S.A. 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 936 445 10 TEDATA 24863 707 144 41 LINKdotNET AS number 36992 552 120 162 Etisalat MISR 3741 274 853 233 The Internet Solution 33776 262 14 11 Starcomms Nigeria Limited 2018 215 230 111 Tertiary Education Network 6713 176 167 12 Itissalat Al-MAGHRIB 29571 172 19 9 Ci Telecom Autonomous system 24835 138 78 11 RAYA Telecom - Egypt 29975 133 506 14 Vodacom 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 4014 3838 296 bellsouth.net, inc. 4323 3836 1099 398 Time Warner Telecom 4766 1840 8405 478 Korea Telecom (KIX) 1785 1754 699 132 PaeTec Communications, Inc. 7018 1576 5760 1004 AT&T WorldNet Services 8151 1537 2956 240 UniNet S.A. de C.V. 20115 1528 1502 657 Charter Communications 2386 1325 618 935 AT&T Data Communications Serv 17488 1309 136 131 Hathway IP Over Cable Interne 4755 1301 289 146 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 4323 3836 3438 Time Warner Telecom 1785 1754 1622 PaeTec Communications, Inc. 4766 1840 1362 Korea Telecom (KIX) 8151 1537 1297 UniNet S.A. de C.V. 17488 1309 1178 Hathway IP Over Cable Interne 4755 1301 1155 TATA Communications formerly 11492 1150 1136 Cable One 22773 1139 1068 Cox Communications, Inc. 18566 1059 1049 Covad Communications 6478 1187 1005 AT&T Worldnet Services 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 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.190.64.0/22 28683 Office des Postes et telecomm 41.202.96.0/19 29571 Ci Telecom Autonomous system 41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT 41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 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 /10:26 /11:66 /12:192 /13:391 /14:679 /15:1245 /16:11039 /17:5209 /18:8878 /19:18275 /20:22332 /21:22373 /22:29149 /23:28845 /24:166014 /25:973 /26:1208 /27:631 /28:137 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2581 4014 bellsouth.net, inc. 4323 2346 3836 Time Warner Telecom 4766 1476 1840 Korea Telecom (KIX) 1785 1216 1754 PaeTec Communications, Inc. 11492 1061 1150 Cable One 17488 1061 1309 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 7018 945 1576 AT&T WorldNet Services 10620 926 1020 TVCABLE BOGOTA 3356 840 1232 Level 3 Communications, LLC Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:13 8:257 12:2002 13:10 15:23 16:3 17:8 20:26 24:1414 27:32 32:48 33:12 38:655 40:100 41:2020 44:3 46:1 47:26 52:6 55:5 56:2 57:24 58:711 59:580 60:433 61:1155 62:1037 63:1971 64:3819 65:2358 66:4167 67:1788 68:1052 69:2778 70:707 71:238 72:1842 73:2 74:2161 75:246 76:311 77:843 78:603 79:397 80:988 81:774 82:458 83:454 84:693 85:1031 86:382 87:686 88:327 89:1525 90:85 91:2713 92:438 93:1118 94:1389 95:577 96:233 97:297 98:541 99:26 109:447 110:294 111:481 112:244 113:261 114:385 115:612 116:1022 117:629 118:413 119:921 120:148 121:859 122:1401 123:873 124:1104 125:1291 128:208 129:205 130:160 131:560 132:246 133:17 134:196 135:44 136:223 137:168 138:254 139:94 140:479 141:137 142:375 143:379 144:468 145:52 146:428 147:168 148:583 149:283 150:151 151:171 152:274 153:170 154:2 155:327 156:199 157:324 158:107 159:364 160:315 161:177 162:269 163:169 164:401 165:521 166:509 167:404 168:801 169:157 170:735 171:48 172:2 173:627 174:651 175:73 178:28 180:373 181:4 182:34 183:241 184:28 186:347 187:290 188:1224 189:731 190:3605 192:5732 193:4642 194:3346 195:2794 196:1170 198:3557 199:3392 200:5259 201:1496 202:7955 203:8315 204:4060 205:2297 206:2523 207:3014 208:3893 209:3449 210:2516 211:1241 212:1707 213:1679 214:595 215:72 216:4471 217:1521 218:486 219:425 220:1112 221:389 222:316 End of report