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 31 Oct, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 301627 Prefixes after maximum aggregation: 141194 Deaggregation factor: 2.14 Unique aggregates announced to Internet: 149168 Total ASes present in the Internet Routing Table: 32545 Prefixes per ASN: 9.27 Origin-only ASes present in the Internet Routing Table: 28267 Origin ASes announcing only one prefix: 13775 Transit ASes present in the Internet Routing Table: 4278 Transit-only ASes present in the Internet Routing Table: 104 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 30 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 615 Unregistered ASNs in the Routing Table: 126 Number of 32-bit ASNs allocated by the RIRs: 308 Prefixes from 32-bit ASNs in the Routing Table: 249 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 188 Number of addresses announced to Internet: 2123904864 Equivalent to 126 /8s, 152 /16s and 55 /24s Percentage of available address space announced: 57.3 Percentage of allocated address space announced: 64.9 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 79.5 Total number of prefixes smaller than registry allocations: 145034 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 72646 Total APNIC prefixes after maximum aggregation: 25150 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 69165 Unique aggregates announced from the APNIC address blocks: 30414 APNIC Region origin ASes present in the Internet Routing Table: 3836 APNIC Prefixes per ASN: 18.03 APNIC Region origin ASes announcing only one prefix: 1038 APNIC Region transit ASes present in the Internet Routing Table: 595 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 467982112 Equivalent to 27 /8s, 228 /16s and 215 /24s Percentage of available APNIC address space announced: 79.7 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: 127251 Total ARIN prefixes after maximum aggregation: 67119 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 101807 Unique aggregates announced from the ARIN address blocks: 38735 ARIN Region origin ASes present in the Internet Routing Table: 13307 ARIN Prefixes per ASN: 7.65 ARIN Region origin ASes announcing only one prefix: 5143 ARIN Region transit ASes present in the Internet Routing Table: 1315 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 709214976 Equivalent to 42 /8s, 69 /16s and 195 /24s Percentage of available ARIN address space announced: 62.2 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: 69252 Total RIPE prefixes after maximum aggregation: 40685 RIPE Deaggregation factor: 1.70 Prefixes being announced from the RIPE address blocks: 62623 Unique aggregates announced from the RIPE address blocks: 41975 RIPE Region origin ASes present in the Internet Routing Table: 13681 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 7116 RIPE Region transit ASes present in the Internet Routing Table: 2053 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 402977216 Equivalent to 24 /8s, 4 /16s and 241 /24s Percentage of available RIPE address space announced: 75.1 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: 25963 Total LACNIC prefixes after maximum aggregation: 6374 LACNIC Deaggregation factor: 4.07 Prefixes being announced from the LACNIC address blocks: 24280 Unique aggregates announced from the LACNIC address blocks: 13431 LACNIC Region origin ASes present in the Internet Routing Table: 1201 LACNIC Prefixes per ASN: 20.22 LACNIC Region origin ASes announcing only one prefix: 382 LACNIC Region transit ASes present in the Internet Routing Table: 199 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 30 Number of LACNIC addresses announced to Internet: 68065280 Equivalent to 4 /8s, 14 /16s and 152 /24s Percentage of available LACNIC address space announced: 67.6 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: 6039 Total AfriNIC prefixes after maximum aggregation: 1579 AfriNIC Deaggregation factor: 3.82 Prefixes being announced from the AfriNIC address blocks: 4404 Unique aggregates announced from the AfriNIC address blocks: 1607 AfriNIC Region origin ASes present in the Internet Routing Table: 329 AfriNIC Prefixes per ASN: 13.39 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 67 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12883712 Equivalent to 0 /8s, 196 /16s and 151 /24s Percentage of available AfriNIC address space announced: 38.4 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 1765 6991 454 Korea Telecom (KIX) 17488 1473 139 140 Hathway IP Over Cable Interne 4755 1270 293 147 TATA Communications formerly 9583 1107 98 469 Sify Limited 4134 1006 19185 393 CHINANET-BACKBONE 18101 974 204 32 Reliance Infocom Ltd Internet 7545 905 199 101 TPG Internet Pty Ltd 9829 849 661 20 BSNL National Internet Backbo 17974 814 252 104 PT TELEKOMUNIKASI INDONESIA 24560 792 291 168 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 4166 3883 313 bellsouth.net, inc. 4323 3723 1036 396 Time Warner Telecom 1785 1778 715 140 PaeTec Communications, Inc. 7018 1571 5843 1047 AT&T WorldNet Services 20115 1487 1481 670 Charter Communications 6478 1316 270 438 AT&T Worldnet Services 2386 1302 637 942 AT&T Data Communications Serv 3356 1221 10964 437 Level 3 Communications, LLC 11492 1137 206 13 Cable One 22773 1106 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 516 95 210 Evolva Telecom 3292 448 1908 393 TDC Tele Danmark 702 414 1822 333 UUNET - Commercial IP service 9198 387 138 12 Kazakhtelecom Data Network Ad 35805 372 40 5 United Telecom of Georgia 8866 362 110 23 Bulgarian Telecommunication C 3320 354 7068 302 Deutsche Telekom AG 3215 349 3144 111 France Telecom Transpac 3301 348 1412 305 TeliaNet Sweden 9121 317 1698 26 TTnet 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 1490 2899 236 UniNet S.A. de C.V. 10620 1024 228 102 TVCABLE BOGOTA 28573 790 661 89 NET Servicos de Comunicao S.A 7303 660 349 97 Telecom Argentina Stet-France 22047 546 302 14 VTR PUNTO NET S.A. 11830 475 310 61 Instituto Costarricense de El 11172 445 99 70 Servicios Alestra S.A de C.V 14117 438 29 11 Telefonica del Sur S.A. 7738 429 858 29 Telecomunicacoes da Bahia S.A 6471 422 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 989 188 7 TEDATA 24863 938 98 72 LINKdotNET AS number 3741 274 857 234 The Internet Solution 2018 194 188 117 Tertiary Education Network 6713 176 167 12 Itissalat Al-MAGHRIB 29571 145 15 8 Ci Telecom Autonomous system 33776 124 7 11 Starcomms Nigeria Limited 5536 122 8 13 Internet Egypt Network 5713 116 508 67 Telkom SA Ltd 20858 109 34 6 EgyNet 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 3883 313 bellsouth.net, inc. 4323 3723 1036 396 Time Warner Telecom 1785 1778 715 140 PaeTec Communications, Inc. 4766 1765 6991 454 Korea Telecom (KIX) 7018 1571 5843 1047 AT&T WorldNet Services 8151 1490 2899 236 UniNet S.A. de C.V. 20115 1487 1481 670 Charter Communications 17488 1473 139 140 Hathway IP Over Cable Interne 6478 1316 270 438 AT&T Worldnet Services 2386 1302 637 942 AT&T Data Communications Serv Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3723 3327 Time Warner Telecom 1785 1778 1638 PaeTec Communications, Inc. 17488 1473 1333 Hathway IP Over Cable Interne 4766 1765 1311 Korea Telecom (KIX) 8151 1490 1254 UniNet S.A. de C.V. 11492 1137 1124 Cable One 4755 1270 1123 TATA Communications formerly 18566 1062 1052 Covad Communications 22773 1106 1040 Cox Communications, Inc. 8452 989 982 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 /11:63 /12:176 /13:356 /14:636 /15:1211 /16:10718 /17:4910 /18:8486 /19:17531 /20:21126 /21:21141 /22:27474 /23:27088 /24:157858 /25:937 /26:1109 /27:562 /28:164 /29:10 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2692 4166 bellsouth.net, inc. 4323 2353 3723 Time Warner Telecom 4766 1436 1765 Korea Telecom (KIX) 17488 1250 1473 Hathway IP Over Cable Interne 1785 1242 1778 PaeTec Communications, Inc. 11492 1061 1137 Cable One 18566 1043 1062 Covad Communications 9583 958 1107 Sify Limited 7018 938 1571 AT&T WorldNet Services 10620 929 1024 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 8:228 12:2139 13:7 15:22 16:3 17:5 20:36 24:1227 32:52 34:2 38:605 40:99 41:1802 43:1 44:2 46:1 47:21 52:6 55:2 56:2 57:23 58:613 59:640 60:441 61:1090 62:960 63:2001 64:3665 65:2367 66:4087 67:1764 68:989 69:2785 70:589 71:153 72:1728 73:2 74:1995 75:183 76:359 77:866 78:559 79:374 80:924 81:818 82:477 83:443 84:538 85:1003 86:374 87:692 88:423 89:1489 90:54 91:2628 92:416 93:1221 94:1233 95:934 96:182 97:270 98:380 99:30 109:82 110:260 111:465 112:144 113:161 114:278 115:434 116:1118 117:590 118:359 119:792 120:128 121:797 122:1297 123:780 124:1053 125:1372 128:222 129:216 130:138 131:424 132:76 133:16 134:186 135:42 136:232 137:167 138:180 139:82 140:443 141:123 142:387 143:352 144:362 145:49 146:395 147:170 148:552 149:201 150:149 151:173 152:212 153:159 154:2 155:272 156:167 157:310 158:92 159:359 160:292 161:171 162:279 163:172 164:276 165:468 166:483 167:390 168:750 169:162 170:465 171:42 172:2 173:385 174:384 175:1 178:1 180:150 182:1 184:1 186:155 187:183 188:1206 189:621 190:3183 192:5736 193:4273 194:3320 195:2750 196:1168 198:3552 199:3354 200:5208 201:1352 202:7908 203:8223 204:3930 205:2168 206:2406 207:3010 208:3985 209:3428 210:2548 211:1147 212:1645 213:1627 214:177 215:40 216:4447 217:1343 218:474 219:459 220:1138 221:457 222:303 End of report