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 02 Jan, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 307533 Prefixes after maximum aggregation: 143181 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 151348 Total ASes present in the Internet Routing Table: 33011 Prefixes per ASN: 9.32 Origin-only ASes present in the Internet Routing Table: 28654 Origin ASes announcing only one prefix: 14007 Transit ASes present in the Internet Routing Table: 4357 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: 24 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 715 Unregistered ASNs in the Routing Table: 132 Number of 32-bit ASNs allocated by the RIRs: 383 Prefixes from 32-bit ASNs in the Routing Table: 339 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 162 Number of addresses announced to Internet: 2167751936 Equivalent to 129 /8s, 53 /16s and 69 /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: 80.5 Total number of prefixes smaller than registry allocations: 148125 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 74089 Total APNIC prefixes after maximum aggregation: 25790 APNIC Deaggregation factor: 2.87 Prefixes being announced from the APNIC address blocks: 70774 Unique aggregates announced from the APNIC address blocks: 31309 APNIC Region origin ASes present in the Internet Routing Table: 3905 APNIC Prefixes per ASN: 18.12 APNIC Region origin ASes announcing only one prefix: 1068 APNIC Region transit ASes present in the Internet Routing Table: 607 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 486372128 Equivalent to 28 /8s, 253 /16s and 115 /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: 129256 Total ARIN prefixes after maximum aggregation: 67488 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 103378 Unique aggregates announced from the ARIN address blocks: 39110 ARIN Region origin ASes present in the Internet Routing Table: 13433 ARIN Prefixes per ASN: 7.70 ARIN Region origin ASes announcing only one prefix: 5203 ARIN Region transit ASes present in the Internet Routing Table: 1329 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 734383904 Equivalent to 43 /8s, 197 /16s and 207 /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: 70759 Total RIPE prefixes after maximum aggregation: 41424 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 64080 Unique aggregates announced from the RIPE address blocks: 42712 RIPE Region origin ASes present in the Internet Routing Table: 13931 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 7257 RIPE Region transit ASes present in the Internet Routing Table: 2102 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 409348160 Equivalent to 24 /8s, 102 /16s and 40 /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: 26903 Total LACNIC prefixes after maximum aggregation: 6534 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 25272 Unique aggregates announced from the LACNIC address blocks: 13806 LACNIC Region origin ASes present in the Internet Routing Table: 1220 LACNIC Prefixes per ASN: 20.71 LACNIC Region origin ASes announcing only one prefix: 386 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: 23 Number of LACNIC addresses announced to Internet: 69882624 Equivalent to 4 /8s, 42 /16s and 83 /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: 5961 Total AfriNIC prefixes after maximum aggregation: 1605 AfriNIC Deaggregation factor: 3.71 Prefixes being announced from the AfriNIC address blocks: 4352 Unique aggregates announced from the AfriNIC address blocks: 1561 AfriNIC Region origin ASes present in the Internet Routing Table: 336 AfriNIC Prefixes per ASN: 12.95 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 70 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 14596352 Equivalent to 0 /8s, 222 /16s and 185 /24s Percentage of available AfriNIC address space announced: 43.5 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 1839 7510 477 Korea Telecom (KIX) 17488 1460 144 142 Hathway IP Over Cable Interne 4755 1279 289 144 TATA Communications formerly 4134 1016 19461 399 CHINANET-BACKBONE 18101 1010 204 37 Reliance Infocom Ltd Internet 9583 1000 75 502 Sify Limited 7545 922 198 96 TPG Internet Pty Ltd 17974 859 273 61 PT TELEKOMUNIKASI INDONESIA 9829 853 677 24 BSNL National Internet Backbo 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 4166 3891 300 bellsouth.net, inc. 4323 3779 1052 399 Time Warner Telecom 1785 1799 699 133 PaeTec Communications, Inc. 7018 1589 5791 1030 AT&T WorldNet Services 20115 1535 1487 667 Charter Communications 2386 1291 617 928 AT&T Data Communications Serv 3356 1203 10929 423 Level 3 Communications, LLC 11492 1153 222 14 Cable One 22773 1123 2600 66 Cox Communications, Inc. 6478 1094 241 304 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 517 98 207 Evolva Telecom 35805 515 40 5 United Telecom of Georgia 3292 448 1903 393 TDC Tele Danmark 702 419 1837 337 UUNET - Commercial IP service 8551 391 354 40 Bezeq International 8866 374 110 23 Bulgarian Telecommunication C 3320 363 7068 309 Deutsche Telekom AG 3301 351 1412 306 TeliaNet Sweden 3215 349 3160 112 France Telecom Transpac 9198 329 202 13 Kazakhtelecom Data Network Ad 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 1572 2898 233 UniNet S.A. de C.V. 10620 1005 224 131 TVCABLE BOGOTA 28573 829 674 84 NET Servicos de Comunicao S.A 7303 664 351 98 Telecom Argentina Stet-France 22047 545 302 14 VTR PUNTO NET S.A. 11830 472 308 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. 6503 432 163 178 AVANTEL, 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 1015 444 8 TEDATA 24863 717 143 53 LINKdotNET AS number 3741 273 857 233 The Internet Solution 2018 178 196 100 Tertiary Education Network 6713 176 166 16 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 4166 3891 300 bellsouth.net, inc. 4323 3779 1052 399 Time Warner Telecom 4766 1839 7510 477 Korea Telecom (KIX) 1785 1799 699 133 PaeTec Communications, Inc. 7018 1589 5791 1030 AT&T WorldNet Services 8151 1572 2898 233 UniNet S.A. de C.V. 20115 1535 1487 667 Charter Communications 17488 1460 144 142 Hathway IP Over Cable Interne 2386 1291 617 928 AT&T Data Communications Serv 4755 1279 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 3779 3380 Time Warner Telecom 1785 1799 1666 PaeTec Communications, Inc. 4766 1839 1362 Korea Telecom (KIX) 8151 1572 1339 UniNet S.A. de C.V. 17488 1460 1318 Hathway IP Over Cable Interne 11492 1153 1139 Cable One 4755 1279 1135 TATA Communications formerly 22773 1123 1057 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1015 1007 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 /13:382 /14:653 /15:1233 /16:10825 /17:5041 /18:8614 /19:17705 /20:21604 /21:21482 /22:27858 /23:28034 /24:160868 /25:926 /26:1173 /27:582 /28:224 /29:11 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2724 4166 bellsouth.net, inc. 4323 2368 3779 Time Warner Telecom 4766 1479 1839 Korea Telecom (KIX) 1785 1267 1799 PaeTec Communications, Inc. 17488 1228 1460 Hathway IP Over Cable Interne 11492 1073 1153 Cable One 18566 1040 1059 Covad Communications 7018 960 1589 AT&T WorldNet Services 8452 911 1015 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 8:243 12:2011 13:9 15:22 16:3 17:8 20:37 24:1291 32:49 38:637 40:99 41:1848 44:3 46:1 47:30 52:6 55:2 56:2 57:24 58:646 59:619 60:446 61:976 62:977 63:2009 64:3793 65:2368 66:4102 67:1838 68:1041 69:2837 70:688 71:231 72:1883 73:3 74:2075 75:225 76:359 77:873 78:602 79:405 80:965 81:802 82:462 83:441 84:508 85:1008 86:381 87:688 88:423 89:1549 90:64 91:2659 92:425 93:1144 94:1345 95:794 96:195 97:289 98:454 99:23 109:203 110:283 111:547 112:169 113:224 114:301 115:402 116:1109 117:592 118:386 119:810 120:148 121:699 122:1377 123:814 124:1025 125:1305 128:212 129:201 130:134 131:459 132:85 133:16 134:188 135:41 136:228 137:176 138:235 139:81 140:463 141:122 142:375 143:340 144:393 145:53 146:387 147:179 148:556 149:196 150:146 151:172 152:228 153:162 154:2 155:270 156:178 157:330 158:98 159:355 160:306 161:175 162:281 163:188 164:309 165:472 166:489 167:393 168:761 169:159 170:567 171:42 172:1 173:407 174:513 175:21 180:267 183:190 184:3 186:242 187:219 188:1121 189:613 190:3430 192:5718 193:4375 194:3364 195:2775 196:1197 198:3552 199:3395 200:5248 201:1446 202:8058 203:8273 204:3984 205:2173 206:2410 207:3053 208:3948 209:3392 210:2525 211:1170 212:1655 213:1651 214:250 215:56 216:4428 217:1389 218:477 219:422 220:1150 221:455 222:301 End of report