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 20 Mar, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 312799 Prefixes after maximum aggregation: 145223 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 153590 Total ASes present in the Internet Routing Table: 33561 Prefixes per ASN: 9.32 Origin-only ASes present in the Internet Routing Table: 29134 Origin ASes announcing only one prefix: 14245 Transit ASes present in the Internet Routing Table: 4427 Transit-only ASes present in the Internet Routing Table: 106 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN (32374) 19 Prefixes from unregistered ASNs in the Routing Table: 966 Unregistered ASNs in the Routing Table: 158 Number of 32-bit ASNs allocated by the RIRs: 481 Prefixes from 32-bit ASNs in the Routing Table: 480 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 218 Number of addresses announced to Internet: 2204886880 Equivalent to 131 /8s, 107 /16s and 231 /24s Percentage of available address space announced: 59.5 Percentage of allocated address space announced: 66.1 Percentage of available address space allocated: 90.0 Percentage of address space in use by end-sites: 81.7 Total number of prefixes smaller than registry allocations: 149633 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 75611 Total APNIC prefixes after maximum aggregation: 26228 APNIC Deaggregation factor: 2.88 Prefixes being announced from the APNIC address blocks: 72268 Unique aggregates announced from the APNIC address blocks: 31854 APNIC Region origin ASes present in the Internet Routing Table: 3976 APNIC Prefixes per ASN: 18.18 APNIC Region origin ASes announcing only one prefix: 1089 APNIC Region transit ASes present in the Internet Routing Table: 626 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 504451648 Equivalent to 30 /8s, 17 /16s and 82 /24s Percentage of available APNIC address space announced: 79.1 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, 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: 129513 Total ARIN prefixes after maximum aggregation: 67928 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 103342 Unique aggregates announced from the ARIN address blocks: 40062 ARIN Region origin ASes present in the Internet Routing Table: 13568 ARIN Prefixes per ASN: 7.62 ARIN Region origin ASes announcing only one prefix: 5261 ARIN Region transit ASes present in the Internet Routing Table: 1338 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 724084128 Equivalent to 43 /8s, 40 /16s and 165 /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: 72365 Total RIPE prefixes after maximum aggregation: 42232 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 65423 Unique aggregates announced from the RIPE address blocks: 43239 RIPE Region origin ASes present in the Internet Routing Table: 14233 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 7383 RIPE Region transit ASes present in the Internet Routing Table: 2130 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 418727296 Equivalent to 24 /8s, 245 /16s and 69 /24s Percentage of available RIPE address space announced: 78.0 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, 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: 27949 Total LACNIC prefixes after maximum aggregation: 6632 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 26292 Unique aggregates announced from the LACNIC address blocks: 13679 LACNIC Region origin ASes present in the Internet Routing Table: 1253 LACNIC Prefixes per ASN: 20.98 LACNIC Region origin ASes announcing only one prefix: 411 LACNIC Region transit ASes present in the Internet Routing Table: 214 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 71650304 Equivalent to 4 /8s, 69 /16s and 76 /24s Percentage of available LACNIC address space announced: 71.2 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: 6643 Total AfriNIC prefixes after maximum aggregation: 1781 AfriNIC Deaggregation factor: 3.73 Prefixes being announced from the AfriNIC address blocks: 4996 Unique aggregates announced from the AfriNIC address blocks: 1480 AfriNIC Region origin ASes present in the Internet Routing Table: 345 AfriNIC Prefixes per ASN: 14.48 AfriNIC Region origin ASes announcing only one prefix: 101 AfriNIC Region transit ASes present in the Internet Routing Table: 75 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 14861056 Equivalent to 0 /8s, 226 /16s and 195 /24s Percentage of available AfriNIC address space announced: 44.3 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 1865 8405 475 Korea Telecom (KIX) 17488 1307 134 133 Hathway IP Over Cable Interne 4755 1287 287 136 TATA Communications formerly 4134 1016 20245 401 CHINANET-BACKBONE 7545 1010 199 101 TPG Internet Pty Ltd 9583 1003 75 500 Sify Limited 18101 997 221 41 Reliance Infocom Ltd Internet 17974 939 282 20 PT TELEKOMUNIKASI INDONESIA 24560 844 300 167 Bharti Airtel Ltd., Telemedia 4808 843 1585 215 CNCGROUP IP network: China169 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 4061 3842 311 bellsouth.net, inc. 4323 2120 1057 379 Time Warner Telecom 1785 1794 698 131 PaeTec Communications, Inc. 7018 1565 5757 1005 AT&T WorldNet Services 20115 1537 1497 656 Charter Communications 2386 1326 616 934 AT&T Data Communications Serv 3356 1230 10949 425 Level 3 Communications, LLC 6478 1162 246 165 AT&T Worldnet Services 11492 1142 222 14 Cable One 22773 1127 2604 70 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 594 40 5 United Telecom of Georgia 30890 450 101 207 Evolva Telecom 3292 449 1900 391 TDC Tele Danmark 702 421 1870 333 UUNET - Commercial IP service 8551 400 355 36 Bezeq International 8866 392 117 18 Bulgarian Telecommunication C 3320 364 7072 318 Deutsche Telekom AG 3301 356 1413 317 TeliaNet Sweden 3215 347 3206 103 France Telecom Transpac 12479 330 576 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 1533 2892 237 UniNet S.A. de C.V. 10620 1028 229 156 TVCABLE BOGOTA 28573 947 730 82 NET Servicos de Comunicao S.A 7303 686 360 97 Telecom Argentina Stet-France 22047 546 310 15 VTR PUNTO NET S.A. 6503 508 168 195 AVANTEL, S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 11830 474 308 56 Instituto Costarricense de El 18881 471 268 11 Global Village Telecom 3816 454 195 69 Empresa Nacional de Telecomun 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 914 445 10 TEDATA 24863 710 144 41 LINKdotNET AS number 36992 573 131 167 Etisalat MISR 3741 274 853 233 The Internet Solution 33776 262 14 11 Starcomms Nigeria Limited 2018 211 215 122 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 171 19 9 Ci Telecom Autonomous system 24835 136 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 4061 3842 311 bellsouth.net, inc. 4323 2120 1057 379 Time Warner Telecom 4766 1865 8405 475 Korea Telecom (KIX) 1785 1794 698 131 PaeTec Communications, Inc. 7018 1565 5757 1005 AT&T WorldNet Services 20115 1537 1497 656 Charter Communications 8151 1533 2892 237 UniNet S.A. de C.V. 2386 1326 616 934 AT&T Data Communications Serv 17488 1307 134 133 Hathway IP Over Cable Interne 4755 1287 287 136 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 2120 1741 Time Warner Telecom 1785 1794 1663 PaeTec Communications, Inc. 4766 1865 1390 Korea Telecom (KIX) 8151 1533 1296 UniNet S.A. de C.V. 17488 1307 1174 Hathway IP Over Cable Interne 4755 1287 1151 TATA Communications formerly 11492 1142 1128 Cable One 22773 1127 1057 Cox Communications, Inc. 18566 1059 1049 Covad Communications 6478 1162 997 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<< 41.223.24.0/22 25747 VSC Satellite Co 41.223.92.0/22 36936 >>UNKNOWN<< 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 /11:66 /12:192 /13:389 /14:669 /15:1238 /16:10989 /17:5185 /18:8756 /19:18125 /20:22106 /21:22221 /22:28728 /23:28428 /24:162777 /25:942 /26:1177 /27:589 /28:137 /29:14 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2628 4061 bellsouth.net, inc. 4766 1477 1865 Korea Telecom (KIX) 1785 1255 1794 PaeTec Communications, Inc. 4323 1065 2120 Time Warner Telecom 17488 1060 1307 Hathway IP Over Cable Interne 11492 1052 1142 Cable One 18566 1040 1059 Covad Communications 7018 943 1565 AT&T WorldNet Services 10620 934 1028 TVCABLE BOGOTA 18101 868 997 Reliance Infocom Ltd Internet Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:12 8:247 12:1986 13:10 15:22 16:3 17:8 20:39 24:1368 27:1 32:48 38:648 40:100 41:2008 44:3 46:1 47:23 52:6 55:2 56:2 57:24 58:629 59:638 60:413 61:1094 62:1051 63:1982 64:3700 65:2343 66:3455 67:1812 68:1050 69:2802 70:697 71:240 72:1859 73:2 74:1952 75:245 76:315 77:828 78:580 79:414 80:997 81:772 82:449 83:447 84:675 85:1023 86:384 87:677 88:428 89:1547 90:78 91:2702 92:431 93:1139 94:1377 95:551 96:230 97:304 98:526 99:26 109:425 110:304 111:454 112:243 113:236 114:384 115:596 116:1027 117:630 118:378 119:929 120:148 121:844 122:1387 123:879 124:1054 125:1286 128:208 129:204 130:142 131:486 132:219 133:17 134:194 135:44 136:230 137:171 138:242 139:94 140:471 141:137 142:375 143:346 144:412 145:50 146:414 147:169 148:582 149:249 150:151 151:169 152:258 153:167 154:2 155:278 156:181 157:324 158:96 159:356 160:307 161:179 162:269 163:163 164:310 165:507 166:508 167:394 168:680 169:157 170:729 171:46 172:2 173:555 174:623 175:65 178:8 180:349 182:35 183:232 184:19 186:334 187:242 188:1177 189:711 190:3574 192:5723 193:4562 194:3361 195:2802 196:1174 198:3554 199:3380 200:5280 201:1479 202:8051 203:8298 204:4054 205:2169 206:2472 207:2752 208:3912 209:3366 210:2551 211:1200 212:1717 213:1689 214:263 215:61 216:4463 217:1514 218:491 219:427 220:1076 221:380 222:313 End of report