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 19 Dec, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 307389 Prefixes after maximum aggregation: 142780 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 151105 Total ASes present in the Internet Routing Table: 32965 Prefixes per ASN: 9.32 Origin-only ASes present in the Internet Routing Table: 28621 Origin ASes announcing only one prefix: 13977 Transit ASes present in the Internet Routing Table: 4344 Transit-only ASes present in the Internet Routing Table: 96 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 694 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 360 Prefixes from 32-bit ASNs in the Routing Table: 334 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 165 Number of addresses announced to Internet: 2164856576 Equivalent to 129 /8s, 9 /16s and 23 /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: 148286 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 74394 Total APNIC prefixes after maximum aggregation: 25612 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 71083 Unique aggregates announced from the APNIC address blocks: 31155 APNIC Region origin ASes present in the Internet Routing Table: 3897 APNIC Prefixes per ASN: 18.24 APNIC Region origin ASes announcing only one prefix: 1056 APNIC Region transit ASes present in the Internet Routing Table: 603 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 485240352 Equivalent to 28 /8s, 236 /16s and 46 /24s Percentage of available APNIC address space announced: 80.3 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: 128934 Total ARIN prefixes after maximum aggregation: 67391 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 103169 Unique aggregates announced from the ARIN address blocks: 38997 ARIN Region origin ASes present in the Internet Routing Table: 13421 ARIN Prefixes per ASN: 7.69 ARIN Region origin ASes announcing only one prefix: 5191 ARIN Region transit ASes present in the Internet Routing Table: 1330 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 734074144 Equivalent to 43 /8s, 193 /16s and 21 /24s Percentage of available ARIN address space announced: 64.3 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: 70684 Total RIPE prefixes after maximum aggregation: 41371 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 64090 Unique aggregates announced from the RIPE address blocks: 42777 RIPE Region origin ASes present in the Internet Routing Table: 13908 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 7242 RIPE Region transit ASes present in the Internet Routing Table: 2095 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 408585280 Equivalent to 24 /8s, 90 /16s and 132 /24s Percentage of available RIPE address space announced: 76.1 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: 26860 Total LACNIC prefixes after maximum aggregation: 6489 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 25206 Unique aggregates announced from the LACNIC address blocks: 13774 LACNIC Region origin ASes present in the Internet Routing Table: 1223 LACNIC Prefixes per ASN: 20.61 LACNIC Region origin ASes announcing only one prefix: 396 LACNIC Region transit ASes present in the Internet Routing Table: 201 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 69579776 Equivalent to 4 /8s, 37 /16s and 180 /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: 5955 Total AfriNIC prefixes after maximum aggregation: 1588 AfriNIC Deaggregation factor: 3.75 Prefixes being announced from the AfriNIC address blocks: 4346 Unique aggregates announced from the AfriNIC address blocks: 1542 AfriNIC Region origin ASes present in the Internet Routing Table: 336 AfriNIC Prefixes per ASN: 12.93 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 72 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 14326784 Equivalent to 0 /8s, 218 /16s and 156 /24s Percentage of available AfriNIC address space announced: 42.7 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 1776 7509 465 Korea Telecom (KIX) 17488 1458 145 133 Hathway IP Over Cable Interne 4755 1280 291 146 TATA Communications formerly 4134 1016 19444 396 CHINANET-BACKBONE 9583 999 75 502 Sify Limited 18101 993 204 35 Reliance Infocom Ltd Internet 7545 919 198 96 TPG Internet Pty Ltd 17974 846 272 61 PT TELEKOMUNIKASI INDONESIA 9829 844 676 23 BSNL National Internet Backbo 24560 814 295 177 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 4191 3892 302 bellsouth.net, inc. 4323 3773 1067 400 Time Warner Telecom 1785 1796 699 134 PaeTec Communications, Inc. 7018 1590 5807 1035 AT&T WorldNet Services 20115 1530 1484 665 Charter Communications 2386 1289 616 930 AT&T Data Communications Serv 3356 1198 10929 423 Level 3 Communications, LLC 11492 1151 222 14 Cable One 22773 1122 2600 66 Cox Communications, Inc. 6478 1109 244 291 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 98 207 Evolva Telecom 35805 471 40 5 United Telecom of Georgia 9198 451 202 13 Kazakhtelecom Data Network Ad 3292 446 1903 391 TDC Tele Danmark 702 419 1837 337 UUNET - Commercial IP service 8866 378 110 23 Bulgarian Telecommunication C 8551 376 354 41 Bezeq International 3320 361 7068 307 Deutsche Telekom AG 3301 351 1412 307 TeliaNet Sweden 3215 349 3160 112 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 1582 2899 230 UniNet S.A. de C.V. 10620 1003 223 130 TVCABLE BOGOTA 28573 828 673 83 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 14117 437 29 11 Telefonica del Sur S.A. 7738 432 858 29 Telecomunicacoes da Bahia S.A 3816 428 193 71 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 1035 444 8 TEDATA 24863 713 142 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 152 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 115 505 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 4191 3892 302 bellsouth.net, inc. 4323 3773 1067 400 Time Warner Telecom 1785 1796 699 134 PaeTec Communications, Inc. 4766 1776 7509 465 Korea Telecom (KIX) 7018 1590 5807 1035 AT&T WorldNet Services 8151 1582 2899 230 UniNet S.A. de C.V. 20115 1530 1484 665 Charter Communications 17488 1458 145 133 Hathway IP Over Cable Interne 2386 1289 616 930 AT&T Data Communications Serv 4755 1280 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 3773 3373 Time Warner Telecom 1785 1796 1662 PaeTec Communications, Inc. 8151 1582 1352 UniNet S.A. de C.V. 17488 1458 1325 Hathway IP Over Cable Interne 4766 1776 1311 Korea Telecom (KIX) 11492 1151 1137 Cable One 4755 1280 1134 TATA Communications formerly 22773 1122 1056 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1035 1027 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 /14:649 /15:1228 /16:10826 /17:5031 /18:8597 /19:17710 /20:21612 /21:21499 /22:27879 /23:28155 /24:160576 /25:931 /26:1169 /27:585 /28:232 /29:11 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2731 4191 bellsouth.net, inc. 4323 2368 3773 Time Warner Telecom 4766 1426 1776 Korea Telecom (KIX) 1785 1263 1796 PaeTec Communications, Inc. 17488 1224 1458 Hathway IP Over Cable Interne 11492 1072 1151 Cable One 18566 1040 1059 Covad Communications 7018 956 1590 AT&T WorldNet Services 8452 931 1035 TEDATA 10620 908 1003 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 2:1 4:13 8:239 12:2017 13:9 15:22 16:3 17:8 20:37 24:1286 32:49 38:628 40:99 41:1853 43:1 44:3 46:1 47:21 52:6 55:2 56:2 57:24 58:646 59:660 60:446 61:1099 62:968 63:2020 64:3790 65:2374 66:4102 67:1757 68:1034 69:2840 70:685 71:232 72:1880 73:3 74:2046 75:224 76:366 77:857 78:602 79:402 80:949 81:812 82:467 83:442 84:533 85:1016 86:375 87:690 88:417 89:1559 90:63 91:2668 92:450 93:1131 94:1314 95:830 96:194 97:290 98:430 99:23 109:188 110:280 111:510 112:163 113:218 114:304 115:471 116:1089 117:595 118:366 119:813 120:144 121:833 122:1359 123:797 124:1025 125:1302 128:211 129:201 130:134 131:439 132:81 133:16 134:185 135:41 136:228 137:164 138:234 139:82 140:453 141:122 142:377 143:334 144:390 145:53 146:390 147:171 148:566 149:193 150:148 151:172 152:226 153:161 154:2 155:270 156:171 157:331 158:97 159:355 160:303 161:174 162:281 163:163 164:308 165:471 166:492 167:392 168:760 169:160 170:568 171:42 172:1 173:408 174:448 175:16 180:248 183:169 184:3 186:242 187:219 188:1086 189:620 190:3393 192:5712 193:4349 194:3373 195:2779 196:1197 198:3541 199:3393 200:5226 201:1436 202:7977 203:8308 204:3981 205:2156 206:2400 207:3049 208:3952 209:3404 210:2563 211:1147 212:1648 213:1646 214:233 215:45 216:4430 217:1367 218:478 219:455 220:1151 221:447 222:300 End of report