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 21 Nov, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 303515 Prefixes after maximum aggregation: 141876 Deaggregation factor: 2.14 Unique aggregates announced to Internet: 149990 Total ASes present in the Internet Routing Table: 32755 Prefixes per ASN: 9.27 Origin-only ASes present in the Internet Routing Table: 28465 Origin ASes announcing only one prefix: 13890 Transit ASes present in the Internet Routing Table: 4290 Transit-only ASes present in the Internet Routing Table: 101 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 39 Max AS path prepend of ASN (22394) 36 Prefixes from unregistered ASNs in the Routing Table: 641 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 325 Prefixes from 32-bit ASNs in the Routing Table: 268 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 178 Number of addresses announced to Internet: 2135526784 Equivalent to 127 /8s, 73 /16s and 141 /24s Percentage of available address space announced: 57.6 Percentage of allocated address space announced: 65.3 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.1 Total number of prefixes smaller than registry allocations: 145792 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 72525 Total APNIC prefixes after maximum aggregation: 25316 APNIC Deaggregation factor: 2.86 Prefixes being announced from the APNIC address blocks: 69057 Unique aggregates announced from the APNIC address blocks: 30639 APNIC Region origin ASes present in the Internet Routing Table: 3873 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 1056 APNIC Region transit ASes present in the Internet Routing Table: 595 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 471116320 Equivalent to 28 /8s, 20 /16s and 170 /24s Percentage of available APNIC address space announced: 80.2 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, 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: 128091 Total ARIN prefixes after maximum aggregation: 67322 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 102319 Unique aggregates announced from the ARIN address blocks: 38824 ARIN Region origin ASes present in the Internet Routing Table: 13364 ARIN Prefixes per ASN: 7.66 ARIN Region origin ASes announcing only one prefix: 5178 ARIN Region transit ASes present in the Internet Routing Table: 1320 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 39 Number of ARIN addresses announced to Internet: 731512352 Equivalent to 43 /8s, 153 /16s and 254 /24s Percentage of available ARIN address space announced: 64.1 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: 70128 Total RIPE prefixes after maximum aggregation: 40973 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 63332 Unique aggregates announced from the RIPE address blocks: 42329 RIPE Region origin ASes present in the Internet Routing Table: 13789 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 7170 RIPE Region transit ASes present in the Internet Routing Table: 2068 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 405095104 Equivalent to 24 /8s, 37 /16s and 66 /24s Percentage of available RIPE address space announced: 75.5 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, 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: 26381 Total LACNIC prefixes after maximum aggregation: 6416 LACNIC Deaggregation factor: 4.11 Prefixes being announced from the LACNIC address blocks: 24694 Unique aggregates announced from the LACNIC address blocks: 13655 LACNIC Region origin ASes present in the Internet Routing Table: 1209 LACNIC Prefixes per ASN: 20.43 LACNIC Region origin ASes announcing only one prefix: 389 LACNIC Region transit ASes present in the Internet Routing Table: 200 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 68308480 Equivalent to 4 /8s, 18 /16s and 78 /24s Percentage of available LACNIC address space announced: 67.9 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: 5891 Total AfriNIC prefixes after maximum aggregation: 1545 AfriNIC Deaggregation factor: 3.81 Prefixes being announced from the AfriNIC address blocks: 4280 Unique aggregates announced from the AfriNIC address blocks: 1382 AfriNIC Region origin ASes present in the Internet Routing Table: 332 AfriNIC Prefixes per ASN: 12.89 AfriNIC Region origin ASes announcing only one prefix: 97 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: 16 Number of AfriNIC addresses announced to Internet: 13490176 Equivalent to 0 /8s, 205 /16s and 216 /24s Percentage of available AfriNIC address space announced: 40.2 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 1775 7507 461 Korea Telecom (KIX) 17488 1443 143 134 Hathway IP Over Cable Interne 4755 1277 292 148 TATA Communications formerly 4134 1011 19183 392 CHINANET-BACKBONE 9583 994 73 491 Sify Limited 18101 983 204 34 Reliance Infocom Ltd Internet 7545 905 199 100 TPG Internet Pty Ltd 17974 866 265 61 PT TELEKOMUNIKASI INDONESIA 9829 846 663 23 BSNL National Internet Backbo 24560 802 293 174 Bharti Airtel Ltd., Telemedia 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 4248 3879 312 bellsouth.net, inc. 4323 3739 1054 399 Time Warner Telecom 1785 1778 714 136 PaeTec Communications, Inc. 7018 1582 5838 1034 AT&T WorldNet Services 20115 1518 1483 665 Charter Communications 2386 1296 632 932 AT&T Data Communications Serv 6478 1280 267 368 AT&T Worldnet Services 3356 1227 10967 448 Level 3 Communications, LLC 11492 1142 222 14 Cable One 22773 1121 2600 66 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 30890 514 98 207 Evolva Telecom 3292 446 1906 391 TDC Tele Danmark 35805 445 40 5 United Telecom of Georgia 702 418 1822 336 UUNET - Commercial IP service 9198 417 138 12 Kazakhtelecom Data Network Ad 8551 377 354 41 Bezeq International 8866 367 110 23 Bulgarian Telecommunication C 3320 357 7067 304 Deutsche Telekom AG 3215 349 3144 111 France Telecom Transpac 3301 348 1412 303 TeliaNet Sweden 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 1580 2899 232 UniNet S.A. de C.V. 10620 1017 226 110 TVCABLE BOGOTA 28573 811 665 87 NET Servicos de Comunicao S.A 7303 663 349 95 Telecom Argentina Stet-France 22047 546 302 14 VTR PUNTO NET S.A. 11830 473 308 59 Instituto Costarricense de El 11172 445 99 70 Servicios Alestra S.A de C.V 14117 437 29 11 Telefonica del Sur S.A. 7738 429 858 29 Telecomunicacoes da Bahia S.A 6471 423 96 31 ENTEL CHILE 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 1045 188 7 TEDATA 24863 756 130 46 LINKdotNET AS number 3741 274 857 234 The Internet Solution 2018 190 188 118 Tertiary Education Network 6713 176 167 12 Itissalat Al-MAGHRIB 29571 132 15 8 Ci Telecom Autonomous system 33776 124 7 11 Starcomms Nigeria Limited 29975 122 506 15 Vodacom 5536 121 8 18 Internet Egypt Network 5713 116 508 67 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 4248 3879 312 bellsouth.net, inc. 4323 3739 1054 399 Time Warner Telecom 1785 1778 714 136 PaeTec Communications, Inc. 4766 1775 7507 461 Korea Telecom (KIX) 7018 1582 5838 1034 AT&T WorldNet Services 8151 1580 2899 232 UniNet S.A. de C.V. 20115 1518 1483 665 Charter Communications 17488 1443 143 134 Hathway IP Over Cable Interne 2386 1296 632 932 AT&T Data Communications Serv 6478 1280 267 368 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3739 3340 Time Warner Telecom 1785 1778 1642 PaeTec Communications, Inc. 8151 1580 1348 UniNet S.A. de C.V. 4766 1775 1314 Korea Telecom (KIX) 17488 1443 1309 Hathway IP Over Cable Interne 4755 1277 1129 TATA Communications formerly 11492 1142 1128 Cable One 22773 1121 1055 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1045 1038 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 /8:20 /9:10 /10:25 /11:65 /12:178 /13:361 /14:640 /15:1224 /16:10751 /17:4981 /18:8536 /19:17597 /20:21414 /21:21258 /22:27471 /23:27405 /24:158697 /25:934 /26:1126 /27:566 /28:229 /29:11 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2779 4248 bellsouth.net, inc. 4323 2359 3739 Time Warner Telecom 4766 1440 1775 Korea Telecom (KIX) 1785 1245 1778 PaeTec Communications, Inc. 17488 1219 1443 Hathway IP Over Cable Interne 11492 1064 1142 Cable One 18566 1040 1059 Covad Communications 7018 946 1582 AT&T WorldNet Services 8452 945 1045 TEDATA 10620 922 1017 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:14 8:233 12:2104 13:8 15:22 16:3 17:5 20:36 24:1266 32:49 34:2 38:619 40:99 41:1803 43:1 44:2 46:1 47:21 52:6 55:2 56:2 57:23 58:632 59:610 60:444 61:978 62:949 63:1999 64:3686 65:2365 66:4077 67:1767 68:1001 69:2799 70:615 71:156 72:1752 73:2 74:2000 75:188 76:353 77:840 78:576 79:383 80:943 81:813 82:472 83:440 84:542 85:1023 86:382 87:693 88:424 89:1506 90:56 91:2644 92:427 93:1163 94:1300 95:822 96:201 97:273 98:417 99:30 109:164 110:285 111:456 112:147 113:174 114:291 115:357 116:1085 117:589 118:361 119:800 120:133 121:700 122:1302 123:780 124:1056 125:1352 128:222 129:204 130:135 131:442 132:82 133:16 134:187 135:43 136:232 137:166 138:236 139:84 140:458 141:122 142:385 143:343 144:383 145:52 146:394 147:173 148:557 149:193 150:148 151:171 152:219 153:160 154:2 155:274 156:166 157:313 158:95 159:361 160:294 161:174 162:276 163:163 164:278 165:468 166:490 167:392 168:751 169:160 170:555 171:43 172:1 173:397 174:397 180:184 183:134 184:1 186:176 187:179 188:1340 189:647 190:3244 192:5739 193:4305 194:3351 195:2749 196:1171 198:3575 199:3380 200:5221 201:1396 202:7913 203:8287 204:3960 205:2154 206:2407 207:3027 208:3979 209:3430 210:2529 211:1149 212:1635 213:1619 214:244 215:57 216:4432 217:1348 218:474 219:419 220:1137 221:451 222:300 End of report