This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 27 Nov, 2010 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 336618 Prefixes after maximum aggregation: 152156 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 165085 Total ASes present in the Internet Routing Table: 35344 Prefixes per ASN: 9.52 Origin-only ASes present in the Internet Routing Table: 30444 Origin ASes announcing only one prefix: 14895 Transit ASes present in the Internet Routing Table: 4900 Transit-only ASes present in the Internet Routing Table: 121 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 31 Max AS path prepend of ASN (36992) 29 Prefixes from unregistered ASNs in the Routing Table: 494 Unregistered ASNs in the Routing Table: 223 Number of 32-bit ASNs allocated by the RIRs: 921 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 188 Number of addresses announced to Internet: 2311338848 Equivalent to 137 /8s, 196 /16s and 59 /24s Percentage of available address space announced: 62.4 Percentage of allocated address space announced: 65.6 Percentage of available address space allocated: 95.0 Percentage of address space in use by end-sites: 86.2 Total number of prefixes smaller than registry allocations: 138184 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 83261 Total APNIC prefixes after maximum aggregation: 28210 APNIC Deaggregation factor: 2.95 Prefixes being announced from the APNIC address blocks: 80180 Unique aggregates announced from the APNIC address blocks: 34447 APNIC Region origin ASes present in the Internet Routing Table: 4251 APNIC Prefixes per ASN: 18.86 APNIC Region origin ASes announcing only one prefix: 1194 APNIC Region transit ASes present in the Internet Routing Table: 690 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 571809824 Equivalent to 34 /8s, 21 /16s and 32 /24s Percentage of available APNIC address space announced: 77.5 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 1/8, 14/8, 27/8, 36/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 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, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 136335 Total ARIN prefixes after maximum aggregation: 69801 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 107499 Unique aggregates announced from the ARIN address blocks: 43805 ARIN Region origin ASes present in the Internet Routing Table: 14036 ARIN Prefixes per ASN: 7.66 ARIN Region origin ASes announcing only one prefix: 5381 ARIN Region transit ASes present in the Internet Routing Table: 1487 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 741285376 Equivalent to 44 /8s, 47 /16s and 30 /24s Percentage of available ARIN address space announced: 64.0 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, 47/8, 48/8, 50/8, 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, 107/8, 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: 78369 Total RIPE prefixes after maximum aggregation: 45055 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 71927 Unique aggregates announced from the RIPE address blocks: 46615 RIPE Region origin ASes present in the Internet Routing Table: 15053 RIPE Prefixes per ASN: 4.78 RIPE Region origin ASes announcing only one prefix: 7742 RIPE Region transit ASes present in the Internet Routing Table: 2334 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 446006976 Equivalent to 26 /8s, 149 /16s and 134 /24s Percentage of available RIPE address space announced: 78.2 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, 31/8, 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, 176/8, 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: 30746 Total LACNIC prefixes after maximum aggregation: 7098 LACNIC Deaggregation factor: 4.33 Prefixes being announced from the LACNIC address blocks: 29454 Unique aggregates announced from the LACNIC address blocks: 15267 LACNIC Region origin ASes present in the Internet Routing Table: 1400 LACNIC Prefixes per ASN: 21.04 LACNIC Region origin ASes announcing only one prefix: 442 LACNIC Region transit ASes present in the Internet Routing Table: 245 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 78080512 Equivalent to 4 /8s, 167 /16s and 106 /24s Percentage of available LACNIC address space announced: 58.2 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7665 Total AfriNIC prefixes after maximum aggregation: 1872 AfriNIC Deaggregation factor: 4.09 Prefixes being announced from the AfriNIC address blocks: 5958 Unique aggregates announced from the AfriNIC address blocks: 1751 AfriNIC Region origin ASes present in the Internet Routing Table: 419 AfriNIC Prefixes per ASN: 14.22 AfriNIC Region origin ASes announcing only one prefix: 136 AfriNIC Region transit ASes present in the Internet Routing Table: 93 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC addresses announced to Internet: 21409792 Equivalent to 1 /8s, 70 /16s and 176 /24s Percentage of available AfriNIC address space announced: 42.5 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1873 9470 522 Korea Telecom (KIX) 7545 1453 299 80 TPG Internet Pty Ltd 4755 1385 639 158 TATA Communications formerly 17488 1368 157 121 Hathway IP Over Cable Interne 17974 1316 427 27 PT TELEKOMUNIKASI INDONESIA 9583 1035 75 487 Sify Limited 24560 1030 309 166 Bharti Airtel Ltd., Telemedia 4808 982 1714 265 CNCGROUP IP network: China169 18101 908 116 141 Reliance Infocom Ltd Internet 9829 836 696 31 BSNL National Internet Backbo Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3742 3890 273 bellsouth.net, inc. 4323 2653 1088 402 Time Warner Telecom 19262 1839 4868 283 Verizon Global Networks 1785 1803 697 132 PaeTec Communications, Inc. 20115 1512 1532 640 Charter Communications 6478 1413 285 80 AT&T Worldnet Services 7018 1395 5670 891 AT&T WorldNet Services 2386 1312 572 930 AT&T Data Communications Serv 11492 1260 233 62 Cable One 22773 1255 2864 72 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3215 477 3238 97 France Telecom Transpac 3292 445 2010 387 TDC Tele Danmark 8866 438 134 24 Bulgarian Telecommunication C 9198 416 202 13 Kazakhtelecom Data Network Ad 8551 401 353 46 Bezeq International 34984 401 92 192 BILISIM TELEKOM 702 397 1865 311 UUNET - Commercial IP service 3301 383 1696 336 TeliaNet Sweden 12479 382 576 5 Uni2 Autonomous System 3320 381 7317 334 Deutsche Telekom AG Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1342 2625 365 UniNet S.A. de C.V. 10620 1335 249 158 TVCABLE BOGOTA 28573 1186 932 79 NET Servicos de Comunicao S.A 6503 1158 355 80 AVANTEL, S.A. 7303 827 441 105 Telecom Argentina Stet-France 14420 575 49 83 CORPORACION NACIONAL DE TELEC 22047 564 310 15 VTR PUNTO NET S.A. 3816 489 214 96 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 450 32 29 Telefonica del Sur S.A. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1122 445 10 TEDATA 24863 742 147 39 LINKdotNET AS number 36992 653 278 161 Etisalat MISR 3741 264 923 226 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 24835 198 78 10 RAYA Telecom - Egypt 29571 197 19 11 Ci Telecom Autonomous system 2018 196 277 64 Tertiary Education Network 33776 195 12 14 Starcomms Nigeria Limited 16637 153 423 87 MTN Network Solutions Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3742 3890 273 bellsouth.net, inc. 4323 2653 1088 402 Time Warner Telecom 4766 1873 9470 522 Korea Telecom (KIX) 19262 1839 4868 283 Verizon Global Networks 1785 1803 697 132 PaeTec Communications, Inc. 20115 1512 1532 640 Charter Communications 7545 1453 299 80 TPG Internet Pty Ltd 6478 1413 285 80 AT&T Worldnet Services 7018 1395 5670 891 AT&T WorldNet Services 4755 1385 639 158 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2653 2251 Time Warner Telecom 1785 1803 1671 PaeTec Communications, Inc. 19262 1839 1556 Verizon Global Networks 7545 1453 1373 TPG Internet Pty Ltd 4766 1873 1351 Korea Telecom (KIX) 6478 1413 1333 AT&T Worldnet Services 17974 1316 1289 PT TELEKOMUNIKASI INDONESIA 17488 1368 1247 Hathway IP Over Cable Interne 4755 1385 1227 TATA Communications formerly 11492 1260 1198 Cable One Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 46164 UNALLOCATED 4.23.88.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.89.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.92.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.94.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.0.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.8.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.50.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.51.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.96.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.104.0/21 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 46.22.128.0/20 39122 Blacknight Internet Solutions 46.142.0.0/16 25295 Autonomous System of KielNET 46.162.64.0/18 29518 Labs2 46.182.120.0/22 16265 LeaseWeb AS Macro 62.61.220.0/24 24974 Tachyon Europe BV - Wireless Complete listing at http://thyme.rand.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 /11:70 /12:208 /13:426 /14:749 /15:1332 /16:11325 /17:5490 /18:9197 /19:18485 /20:23713 /21:24084 /22:31717 /23:30443 /24:176498 /25:981 /26:1081 /27:585 /28:158 /29:12 /30:2 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2310 3742 bellsouth.net, inc. 4323 1432 2653 Time Warner Telecom 6478 1371 1413 AT&T Worldnet Services 10620 1227 1335 TVCABLE BOGOTA 11492 1217 1260 Cable One 1785 1078 1803 PaeTec Communications, Inc. 18566 1073 1092 Covad Communications 7011 1060 1161 Citizens Utilities 8452 985 1122 TEDATA 19262 958 1839 Verizon Global Networks Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:101 2:29 4:13 8:316 12:2023 13:6 14:69 15:17 16:3 17:8 20:9 24:1418 27:461 31:1 32:61 33:8 34:2 36:1 38:717 40:101 41:2655 42:1 44:3 46:289 47:10 49:30 50:13 52:12 55:5 56:2 57:29 58:852 59:499 60:499 61:1145 62:1013 63:1941 64:3716 65:2329 66:4086 67:1793 68:996 69:2809 70:719 71:382 72:1920 74:2281 75:285 76:319 77:869 78:678 79:437 80:1043 81:791 82:524 83:440 84:627 85:1019 86:484 87:700 88:381 89:1583 90:161 91:3235 92:541 93:1007 94:1127 95:667 96:403 97:241 98:688 99:33 101:3 107:2 108:69 109:769 110:425 111:661 112:305 113:324 114:473 115:635 116:1131 117:660 118:575 119:995 120:161 121:711 122:1586 123:963 124:1238 125:1270 128:227 129:151 130:169 131:556 132:235 133:20 134:207 135:46 136:210 137:146 138:287 139:109 140:475 141:195 142:348 143:512 144:484 145:54 146:430 147:170 148:640 149:319 150:151 151:231 152:294 153:175 154:3 155:365 156:166 157:342 158:122 159:367 160:311 161:199 162:276 163:165 164:434 165:331 166:465 167:429 168:709 169:152 170:720 171:67 172:2 173:1111 174:443 175:254 176:1 178:635 180:709 182:518 183:243 184:186 186:853 187:744 188:858 189:1022 190:4226 192:5772 193:4795 194:3469 195:2875 196:1211 197:1 198:3527 199:3656 200:5455 201:1576 202:8221 203:8323 204:4051 205:2353 206:2519 207:2983 208:3874 209:3459 210:2538 211:1297 212:1812 213:1715 214:682 215:62 216:4738 217:1607 218:565 219:398 220:1223 221:422 222:342 223:76 End of report