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 26 Dec, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 308286 Prefixes after maximum aggregation: 143053 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 151084 Total ASes present in the Internet Routing Table: 32979 Prefixes per ASN: 9.35 Origin-only ASes present in the Internet Routing Table: 28631 Origin ASes announcing only one prefix: 13989 Transit ASes present in the Internet Routing Table: 4348 Transit-only ASes present in the Internet Routing Table: 99 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 53 Max AS path prepend of ASN (38753) 50 Prefixes from unregistered ASNs in the Routing Table: 698 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 377 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: 159 Number of addresses announced to Internet: 2166385920 Equivalent to 129 /8s, 32 /16s and 109 /24s Percentage of available address space announced: 58.4 Percentage of allocated address space announced: 66.2 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.5 Total number of prefixes smaller than registry allocations: 148666 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 74669 Total APNIC prefixes after maximum aggregation: 25729 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 71353 Unique aggregates announced from the APNIC address blocks: 31168 APNIC Region origin ASes present in the Internet Routing Table: 3892 APNIC Prefixes per ASN: 18.33 APNIC Region origin ASes announcing only one prefix: 1060 APNIC Region transit ASes present in the Internet Routing Table: 606 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 53 Number of APNIC addresses announced to Internet: 486028576 Equivalent to 28 /8s, 248 /16s and 53 /24s Percentage of available APNIC address space announced: 80.5 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: 129610 Total ARIN prefixes after maximum aggregation: 67484 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 103736 Unique aggregates announced from the ARIN address blocks: 39062 ARIN Region origin ASes present in the Internet Routing Table: 13437 ARIN Prefixes per ASN: 7.72 ARIN Region origin ASes announcing only one prefix: 5206 ARIN Region transit ASes present in the Internet Routing Table: 1334 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 734241056 Equivalent to 43 /8s, 195 /16s and 161 /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: 70597 Total RIPE prefixes after maximum aggregation: 41388 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 63982 Unique aggregates announced from the RIPE address blocks: 42697 RIPE Region origin ASes present in the Internet Routing Table: 13910 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 7240 RIPE Region transit ASes present in the Internet Routing Table: 2094 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 409151808 Equivalent to 24 /8s, 99 /16s and 41 /24s Percentage of available RIPE address space announced: 76.2 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: 26893 Total LACNIC prefixes after maximum aggregation: 6525 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 25237 Unique aggregates announced from the LACNIC address blocks: 13799 LACNIC Region origin ASes present in the Internet Routing Table: 1223 LACNIC Prefixes per ASN: 20.64 LACNIC Region origin ASes announcing only one prefix: 391 LACNIC Region transit ASes present in the Internet Routing Table: 202 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 69604864 Equivalent to 4 /8s, 38 /16s and 22 /24s Percentage of available LACNIC address space announced: 69.1 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: 5959 Total AfriNIC prefixes after maximum aggregation: 1595 AfriNIC Deaggregation factor: 3.74 Prefixes being announced from the AfriNIC address blocks: 4364 Unique aggregates announced from the AfriNIC address blocks: 1547 AfriNIC Region origin ASes present in the Internet Routing Table: 335 AfriNIC Prefixes per ASN: 13.03 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 71 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 14527744 Equivalent to 0 /8s, 221 /16s and 173 /24s Percentage of available AfriNIC address space announced: 43.3 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 1785 7509 465 Korea Telecom (KIX) 17488 1459 145 133 Hathway IP Over Cable Interne 4755 1285 291 146 TATA Communications formerly 4134 1014 19445 398 CHINANET-BACKBONE 9583 998 75 505 Sify Limited 18101 997 204 37 Reliance Infocom Ltd Internet 7545 920 198 94 TPG Internet Pty Ltd 9829 848 676 23 BSNL National Internet Backbo 17974 843 272 62 PT TELEKOMUNIKASI INDONESIA 4808 833 1583 211 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 4187 3891 306 bellsouth.net, inc. 4323 3777 1068 400 Time Warner Telecom 1785 1798 699 134 PaeTec Communications, Inc. 7018 1588 5791 1031 AT&T WorldNet Services 20115 1534 1486 666 Charter Communications 2386 1287 615 928 AT&T Data Communications Serv 3356 1205 10930 424 Level 3 Communications, LLC 11492 1153 222 14 Cable One 22773 1122 2600 66 Cox Communications, Inc. 6478 1099 242 304 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 518 99 208 Evolva Telecom 35805 511 40 5 United Telecom of Georgia 3292 448 1903 393 TDC Tele Danmark 702 419 1837 337 UUNET - Commercial IP service 8551 386 354 41 Bezeq International 8866 378 110 23 Bulgarian Telecommunication C 3320 361 7068 307 Deutsche Telekom AG 3301 350 1412 306 TeliaNet Sweden 3215 349 3160 112 France Telecom Transpac 12479 314 578 6 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 1570 2898 230 UniNet S.A. de C.V. 10620 1005 224 131 TVCABLE BOGOTA 28573 829 674 84 NET Servicos de Comunicao S.A 7303 665 351 96 Telecom Argentina Stet-France 22047 545 302 14 VTR PUNTO NET S.A. 11830 472 308 59 Instituto Costarricense de El 11172 446 99 70 Servicios Alestra S.A de C.V 6503 444 163 183 AVANTEL, S.A. 14117 437 29 11 Telefonica del Sur S.A. 7738 431 858 29 Telecomunicacoes da Bahia 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 1039 444 8 TEDATA 24863 714 142 54 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 157 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 4187 3891 306 bellsouth.net, inc. 4323 3777 1068 400 Time Warner Telecom 1785 1798 699 134 PaeTec Communications, Inc. 4766 1785 7509 465 Korea Telecom (KIX) 7018 1588 5791 1031 AT&T WorldNet Services 8151 1570 2898 230 UniNet S.A. de C.V. 20115 1534 1486 666 Charter Communications 17488 1459 145 133 Hathway IP Over Cable Interne 2386 1287 615 928 AT&T Data Communications Serv 4755 1285 291 146 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 3777 3377 Time Warner Telecom 1785 1798 1664 PaeTec Communications, Inc. 8151 1570 1340 UniNet S.A. de C.V. 17488 1459 1326 Hathway IP Over Cable Interne 4766 1785 1320 Korea Telecom (KIX) 4755 1285 1139 TATA Communications formerly 11492 1153 1139 Cable One 22773 1122 1056 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1039 1031 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 41.223.92.0/22 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 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 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 /13:381 /14:652 /15:1234 /16:10834 /17:5044 /18:8613 /19:17732 /20:21648 /21:21638 /22:27984 /23:28122 /24:161157 /25:934 /26:1177 /27:585 /28:222 /29:11 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2727 4187 bellsouth.net, inc. 4323 2368 3777 Time Warner Telecom 4766 1435 1785 Korea Telecom (KIX) 1785 1265 1798 PaeTec Communications, Inc. 17488 1224 1459 Hathway IP Over Cable Interne 11492 1073 1153 Cable One 18566 1040 1059 Covad Communications 7018 958 1588 AT&T WorldNet Services 8452 935 1039 TEDATA 10620 910 1005 TVCABLE BOGOTA 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 12:2019 13:9 15:22 16:3 17:8 20:37 24:1291 32:49 38:637 40:99 41:1868 44:3 46:1 47:30 52:6 55:2 56:2 57:24 58:644 59:657 60:446 61:1098 62:970 63:2014 64:3801 65:2371 66:4117 67:1855 68:1041 69:2807 70:686 71:231 72:1884 73:3 74:2075 75:223 76:362 77:864 78:600 79:405 80:963 81:803 82:460 83:439 84:515 85:1000 86:379 87:692 88:420 89:1550 90:63 91:2667 92:418 93:1137 94:1340 95:785 96:194 97:290 98:463 99:23 109:202 110:281 111:516 112:161 113:219 114:296 115:470 116:1091 117:592 118:385 119:804 120:148 121:823 122:1359 123:806 124:1012 125:1303 128:212 129:201 130:134 131:455 132:83 133:16 134:188 135:41 136:228 137:168 138:234 139:82 140:463 141:122 142:376 143:335 144:390 145:53 146:390 147:180 148:564 149:196 150:151 151:172 152:228 153:162 154:2 155:270 156:174 157:332 158:98 159:355 160:305 161:174 162:281 163:221 164:309 165:472 166:490 167:393 168:761 169:160 170:571 171:42 172:1 173:404 174:529 175:20 180:268 183:171 184:3 186:243 187:217 188:1075 189:613 190:3415 192:5713 193:4361 194:3368 195:2776 196:1183 198:3552 199:3389 200:5233 201:1448 202:8018 203:8311 204:3984 205:2168 206:2424 207:3072 208:3944 209:3425 210:2565 211:1158 212:1652 213:1646 214:261 215:58 216:4438 217:1380 218:478 219:455 220:1166 221:449 222:300 End of report