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 <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 09 Jan, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 307662 Prefixes after maximum aggregation: 143300 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 151565 Total ASes present in the Internet Routing Table: 33037 Prefixes per ASN: 9.31 Origin-only ASes present in the Internet Routing Table: 28698 Origin ASes announcing only one prefix: 14013 Transit ASes present in the Internet Routing Table: 4339 Transit-only ASes present in the Internet Routing Table: 103 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN ( 9503) 20 Prefixes from unregistered ASNs in the Routing Table: 731 Unregistered ASNs in the Routing Table: 133 Number of 32-bit ASNs allocated by the RIRs: 385 Prefixes from 32-bit ASNs in the Routing Table: 335 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 186 Number of addresses announced to Internet: 2169545344 Equivalent to 129 /8s, 80 /16s and 162 /24s Percentage of available address space announced: 58.5 Percentage of allocated address space announced: 66.3 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.7 Total number of prefixes smaller than registry allocations: 148143 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 73972 Total APNIC prefixes after maximum aggregation: 25793 APNIC Deaggregation factor: 2.87 Prefixes being announced from the APNIC address blocks: 70662 Unique aggregates announced from the APNIC address blocks: 31402 APNIC Region origin ASes present in the Internet Routing Table: 3913 APNIC Prefixes per ASN: 18.06 APNIC Region origin ASes announcing only one prefix: 1071 APNIC Region transit ASes present in the Internet Routing Table: 612 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 486803488 Equivalent to 29 /8s, 4 /16s and 8 /24s Percentage of available APNIC address space announced: 80.6 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 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: 129255 Total ARIN prefixes after maximum aggregation: 67559 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 103380 Unique aggregates announced from the ARIN address blocks: 39158 ARIN Region origin ASes present in the Internet Routing Table: 13428 ARIN Prefixes per ASN: 7.70 ARIN Region origin ASes announcing only one prefix: 5201 ARIN Region transit ASes present in the Internet Routing Table: 1323 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 735019296 Equivalent to 43 /8s, 207 /16s and 129 /24s Percentage of available ARIN address space announced: 64.4 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, 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, 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: 70912 Total RIPE prefixes after maximum aggregation: 41459 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 64240 Unique aggregates announced from the RIPE address blocks: 42763 RIPE Region origin ASes present in the Internet Routing Table: 13948 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 7257 RIPE Region transit ASes present in the Internet Routing Table: 2088 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 409561344 Equivalent to 24 /8s, 105 /16s and 105 /24s Percentage of available RIPE address space announced: 76.3 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: 26966 Total LACNIC prefixes after maximum aggregation: 6530 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 25329 Unique aggregates announced from the LACNIC address blocks: 13780 LACNIC Region origin ASes present in the Internet Routing Table: 1225 LACNIC Prefixes per ASN: 20.68 LACNIC Region origin ASes announcing only one prefix: 391 LACNIC Region transit ASes present in the Internet Routing Table: 204 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 69899712 Equivalent to 4 /8s, 42 /16s and 149 /24s Percentage of available LACNIC address space announced: 69.4 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: 5994 Total AfriNIC prefixes after maximum aggregation: 1610 AfriNIC Deaggregation factor: 3.72 Prefixes being announced from the AfriNIC address blocks: 4375 Unique aggregates announced from the AfriNIC address blocks: 1592 AfriNIC Region origin ASes present in the Internet Routing Table: 337 AfriNIC Prefixes per ASN: 12.98 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 69 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC addresses announced to Internet: 14742016 Equivalent to 0 /8s, 224 /16s and 242 /24s Percentage of available AfriNIC address space announced: 43.9 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 1831 7509 473 Korea Telecom (KIX) 17488 1464 144 140 Hathway IP Over Cable Interne 4755 1281 289 144 TATA Communications formerly 18101 1033 220 38 Reliance Infocom Ltd Internet 4134 1018 19477 400 CHINANET-BACKBONE 9583 998 74 503 Sify Limited 7545 920 198 98 TPG Internet Pty Ltd 17974 844 271 55 PT TELEKOMUNIKASI INDONESIA 4808 836 1583 213 CNCGROUP IP network: China169 9829 835 679 22 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 4165 3891 301 bellsouth.net, inc. 4323 3783 1068 400 Time Warner Telecom 1785 1796 699 134 PaeTec Communications, Inc. 7018 1589 5791 1028 AT&T WorldNet Services 20115 1537 1487 666 Charter Communications 2386 1294 617 930 AT&T Data Communications Serv 3356 1200 10929 423 Level 3 Communications, LLC 11492 1154 222 14 Cable One 22773 1124 2600 66 Cox Communications, Inc. 6478 1092 241 298 AT&T Worldnet Services 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 30890 516 98 206 Evolva Telecom 35805 466 40 5 United Telecom of Georgia 3292 448 1903 393 TDC Tele Danmark 9198 426 202 13 Kazakhtelecom Data Network Ad 702 419 1837 337 UUNET - Commercial IP service 8551 396 353 37 Bezeq International 8866 374 110 23 Bulgarian Telecommunication C 3320 361 7068 307 Deutsche Telekom AG 3301 352 1412 307 TeliaNet Sweden 3215 350 3168 107 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 1576 2899 232 UniNet S.A. de C.V. 10620 1004 224 130 TVCABLE BOGOTA 28573 832 674 85 NET Servicos de Comunicao S.A 7303 668 352 98 Telecom Argentina Stet-France 22047 546 302 14 VTR PUNTO NET S.A. 11830 472 308 59 Instituto Costarricense de El 6503 446 163 185 AVANTEL, S.A. 11172 444 99 69 Servicios Alestra S.A de C.V 14117 436 29 11 Telefonica del Sur S.A. 3816 431 193 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 1017 444 8 TEDATA 24863 719 143 53 LINKdotNET AS number 3741 273 857 233 The Internet Solution 2018 178 196 100 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 161 19 9 Ci Telecom Autonomous system 29975 134 506 15 Vodacom 33776 123 7 11 Starcomms Nigeria Limited 5536 121 8 18 Internet Egypt Network 5713 114 505 68 Telkom SA Ltd 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 4165 3891 301 bellsouth.net, inc. 4323 3783 1068 400 Time Warner Telecom 4766 1831 7509 473 Korea Telecom (KIX) 1785 1796 699 134 PaeTec Communications, Inc. 7018 1589 5791 1028 AT&T WorldNet Services 8151 1576 2899 232 UniNet S.A. de C.V. 20115 1537 1487 666 Charter Communications 17488 1464 144 140 Hathway IP Over Cable Interne 2386 1294 617 930 AT&T Data Communications Serv 4755 1281 289 144 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 3783 3383 Time Warner Telecom 1785 1796 1662 PaeTec Communications, Inc. 4766 1831 1358 Korea Telecom (KIX) 8151 1576 1344 UniNet S.A. de C.V. 17488 1464 1324 Hathway IP Over Cable Interne 11492 1154 1140 Cable One 4755 1281 1137 TATA Communications formerly 22773 1124 1058 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1017 1009 TEDATA 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 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 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 41.78.60.0/22 6762 Telecom Italia international 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 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 /8:21 /9:10 /10:25 /11:65 /12:181 /13:382 /14:654 /15:1233 /16:10850 /17:5053 /18:8622 /19:17725 /20:21661 /21:21549 /22:27892 /23:28054 /24:160791 /25:915 /26:1147 /27:584 /28:221 /29:11 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2723 4165 bellsouth.net, inc. 4323 2369 3783 Time Warner Telecom 4766 1476 1831 Korea Telecom (KIX) 1785 1263 1796 PaeTec Communications, Inc. 17488 1230 1464 Hathway IP Over Cable Interne 11492 1074 1154 Cable One 18566 1040 1059 Covad Communications 7018 960 1589 AT&T WorldNet Services 8452 913 1017 TEDATA 18101 913 1033 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 4:13 8:242 12:2007 13:9 15:22 16:3 17:8 20:38 24:1301 32:49 38:635 40:99 41:1881 44:3 46:1 47:29 52:6 55:2 56:2 57:23 58:640 59:596 60:446 61:968 62:956 63:2005 64:3774 65:2358 66:4100 67:1841 68:1047 69:2832 70:688 71:231 72:1878 73:3 74:2075 75:225 76:359 77:871 78:604 79:406 80:961 81:803 82:469 83:440 84:521 85:1015 86:376 87:692 88:433 89:1561 90:65 91:2674 92:434 93:1151 94:1293 95:799 96:194 97:290 98:488 99:23 109:206 110:263 111:413 112:168 113:216 114:304 115:404 116:1126 117:596 118:380 119:812 120:141 121:684 122:1385 123:830 124:1029 125:1305 128:198 129:203 130:134 131:461 132:84 133:16 134:193 135:41 136:228 137:175 138:236 139:81 140:462 141:121 142:377 143:349 144:393 145:51 146:390 147:175 148:565 149:196 150:151 151:172 152:225 153:162 154:2 155:270 156:178 157:329 158:98 159:355 160:304 161:175 162:271 163:189 164:309 165:472 166:493 167:387 168:758 169:158 170:568 171:42 172:1 173:425 174:519 175:20 180:273 183:200 184:3 186:258 187:211 188:1138 189:615 190:3423 192:5722 193:4390 194:3352 195:2786 196:1192 198:3550 199:3390 200:5256 201:1450 202:8076 203:8300 204:3981 205:2167 206:2401 207:3042 208:3924 209:3394 210:2518 211:1170 212:1657 213:1650 214:248 215:58 216:4425 217:1390 218:481 219:416 220:1137 221:461 222:303 End of report