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.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 02 Oct, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 332569 Prefixes after maximum aggregation: 152883 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 163430 Total ASes present in the Internet Routing Table: 34884 Prefixes per ASN: 9.53 Origin-only ASes present in the Internet Routing Table: 30253 Origin ASes announcing only one prefix: 14676 Transit ASes present in the Internet Routing Table: 4631 Transit-only ASes present in the Internet Routing Table: 102 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 3584 Unregistered ASNs in the Routing Table: 1563 Number of 32-bit ASNs allocated by the RIRs: 804 Prefixes from 32-bit ASNs in the Routing Table: 1114 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 226 Number of addresses announced to Internet: 2276381248 Equivalent to 135 /8s, 174 /16s and 210 /24s Percentage of available address space announced: 61.4 Percentage of allocated address space announced: 65.6 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 85.0 Total number of prefixes smaller than registry allocations: 157088 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 81203 Total APNIC prefixes after maximum aggregation: 27834 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 78077 Unique aggregates announced from the APNIC address blocks: 34231 APNIC Region origin ASes present in the Internet Routing Table: 4198 APNIC Prefixes per ASN: 18.60 APNIC Region origin ASes announcing only one prefix: 1168 APNIC Region transit ASes present in the Internet Routing Table: 650 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 551534112 Equivalent to 32 /8s, 223 /16s and 190 /24s Percentage of available APNIC address space announced: 78.3 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 1/8, 14/8, 27/8, 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: 136044 Total ARIN prefixes after maximum aggregation: 70193 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 108795 Unique aggregates announced from the ARIN address blocks: 43480 ARIN Region origin ASes present in the Internet Routing Table: 13926 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5321 ARIN Region transit ASes present in the Internet Routing Table: 1374 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 735644704 Equivalent to 43 /8s, 217 /16s and 12 /24s Percentage of available ARIN address space announced: 62.6 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, 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: 76257 Total RIPE prefixes after maximum aggregation: 44237 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 69692 Unique aggregates announced from the RIPE address blocks: 45701 RIPE Region origin ASes present in the Internet Routing Table: 14833 RIPE Prefixes per ASN: 4.70 RIPE Region origin ASes announcing only one prefix: 7643 RIPE Region transit ASes present in the Internet Routing Table: 2238 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 440007168 Equivalent to 26 /8s, 57 /16s and 250 /24s Percentage of available RIPE address space announced: 77.1 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, 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: 30341 Total LACNIC prefixes after maximum aggregation: 7326 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 28839 Unique aggregates announced from the LACNIC address blocks: 15055 LACNIC Region origin ASes present in the Internet Routing Table: 1353 LACNIC Prefixes per ASN: 21.31 LACNIC Region origin ASes announcing only one prefix: 419 LACNIC Region transit ASes present in the Internet Routing Table: 233 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 75693952 Equivalent to 4 /8s, 130 /16s and 255 /24s Percentage of available LACNIC address space announced: 56.4 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: 7356 Total AfriNIC prefixes after maximum aggregation: 1891 AfriNIC Deaggregation factor: 3.89 Prefixes being announced from the AfriNIC address blocks: 5662 Unique aggregates announced from the AfriNIC address blocks: 1688 AfriNIC Region origin ASes present in the Internet Routing Table: 407 AfriNIC Prefixes per ASN: 13.91 AfriNIC Region origin ASes announcing only one prefix: 125 AfriNIC Region transit ASes present in the Internet Routing Table: 91 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 20910336 Equivalent to 1 /8s, 63 /16s and 17 /24s Percentage of available AfriNIC address space announced: 62.3 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 1861 9436 505 Korea Telecom (KIX) 7545 1409 297 82 TPG Internet Pty Ltd 4755 1357 368 163 TATA Communications formerly 17488 1347 155 124 Hathway IP Over Cable Interne 17974 1251 301 85 PT TELEKOMUNIKASI INDONESIA 24560 1040 303 179 Bharti Airtel Ltd., Telemedia 9583 1029 77 495 Sify Limited 4808 936 1714 261 CNCGROUP IP network: China169 18101 882 100 132 Reliance Infocom Ltd Internet 9829 820 692 33 BSNL National Internet Backbo 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 3775 3666 277 bellsouth.net, inc. 4323 2712 1106 389 Time Warner Telecom 19262 1821 4708 285 Verizon Global Networks 1785 1796 698 131 PaeTec Communications, Inc. 20115 1491 1530 650 Charter Communications 7018 1490 5731 956 AT&T WorldNet Services 6478 1354 275 136 AT&T Worldnet Services 2386 1297 555 915 AT&T Data Communications Serv 11492 1218 229 78 Cable One 22773 1200 2858 61 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 3292 448 2026 389 TDC Tele Danmark 8866 417 117 21 Bulgarian Telecommunication C 702 405 1869 319 UUNET - Commercial IP service 8551 402 353 46 Bezeq International 34984 379 90 185 BILISIM TELEKOM 3301 377 1688 333 TeliaNet Sweden 30890 374 79 203 Evolva Telecom 3320 371 7328 322 Deutsche Telekom AG 12479 368 576 5 Uni2 Autonomous System 31148 352 18 77 FreeNet ISP 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 1339 2559 367 UniNet S.A. de C.V. 10620 1324 248 149 TVCABLE BOGOTA 28573 1168 893 92 NET Servicos de Comunicao S.A 7303 810 424 102 Telecom Argentina Stet-France 6503 755 223 258 AVANTEL, S.A. 14420 563 39 81 CORPORACION NACIONAL DE TELEC 22047 561 310 15 VTR PUNTO NET S.A. 3816 483 210 94 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 11172 445 99 76 Servicios Alestra S.A de C.V 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 1008 445 10 TEDATA 24863 737 147 39 LINKdotNET AS number 36992 652 279 181 Etisalat MISR 3741 266 906 224 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 29571 203 19 11 Ci Telecom Autonomous system 2018 197 277 64 Tertiary Education Network 33776 196 12 14 Starcomms Nigeria Limited 24835 163 78 9 RAYA Telecom - Egypt 16637 154 440 92 MTN Network Solutions 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 3775 3666 277 bellsouth.net, inc. 4323 2712 1106 389 Time Warner Telecom 4766 1861 9436 505 Korea Telecom (KIX) 19262 1821 4708 285 Verizon Global Networks 1785 1796 698 131 PaeTec Communications, Inc. 20115 1491 1530 650 Charter Communications 7018 1490 5731 956 AT&T WorldNet Services 7545 1409 297 82 TPG Internet Pty Ltd 4755 1357 368 163 TATA Communications formerly 6478 1354 275 136 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 2712 2323 Time Warner Telecom 1785 1796 1665 PaeTec Communications, Inc. 19262 1821 1536 Verizon Global Networks 4766 1861 1356 Korea Telecom (KIX) 7545 1409 1327 TPG Internet Pty Ltd 17488 1347 1223 Hathway IP Over Cable Interne 6478 1354 1218 AT&T Worldnet Services 4755 1357 1194 TATA Communications formerly 10620 1324 1175 TVCABLE BOGOTA 17974 1251 1166 PT TELEKOMUNIKASI INDONESIA Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 40331 UNALLOCATED 8.11.167.0/24 7018 AT&T WorldNet Servic 11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S 15040 UNALLOCATED 8.12.156.0/24 3356 Level 3 Communicatio 33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio 18826 UNALLOCATED 8.17.208.0/20 2828 XO Communications 16734 UNALLOCATED 8.18.204.0/24 26914 Global Netoptex, Inc 53562 UNALLOCATED 8.19.94.0/24 3356 Level 3 Communicatio 23200 UNALLOCATED 8.20.243.0/24 25653 Pegasus Web Technolo 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 46856 UNALLOCATED 8.22.184.0/22 3356 Level 3 Communicatio Complete listing at http://thyme.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<< 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 41.223.199.0/24 36990 Alkan Telecom Ltd 46.16.64.0/22 28703 Joint Stock Company "UralInte 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 /8:19 /9:10 /10:25 /11:67 /12:203 /13:422 /14:732 /15:1325 /16:11292 /17:5465 /18:9287 /19:18481 /20:23594 /21:23820 /22:31164 /23:30460 /24:173233 /25:1021 /26:1138 /27:584 /28:170 /29:47 /30:3 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2403 3775 bellsouth.net, inc. 4766 1478 1861 Korea Telecom (KIX) 4323 1369 2712 Time Warner Telecom 1785 1259 1796 PaeTec Communications, Inc. 10620 1212 1324 TVCABLE BOGOTA 11492 1105 1218 Cable One 17488 1087 1347 Hathway IP Over Cable Interne 18566 1068 1087 Covad Communications 24560 941 1040 Bharti Airtel Ltd., Telemedia 8452 922 1008 TEDATA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:74 2:15 4:13 8:309 12:2014 13:8 14:13 15:20 16:3 17:9 20:8 24:1376 27:354 31:1 32:61 33:12 38:700 40:97 41:2467 44:3 46:140 47:10 49:4 52:12 55:5 56:2 57:29 58:827 59:505 60:478 61:1087 62:1045 63:1970 64:3727 65:2290 66:4043 67:1843 68:1138 69:2832 70:741 71:375 72:1944 73:2 74:2312 75:289 76:322 77:870 78:677 79:421 80:1016 81:800 82:505 83:454 84:680 85:1038 86:432 87:681 88:325 89:1557 90:104 91:3072 92:430 93:1004 94:1092 95:728 96:398 97:219 98:633 99:32 101:3 108:64 109:709 110:432 111:596 112:295 113:288 114:476 115:600 116:1105 117:659 118:531 119:971 120:178 121:716 122:1549 123:916 124:1228 125:1273 128:228 129:157 130:172 131:558 132:257 133:20 134:207 135:46 136:224 137:140 138:275 139:109 140:480 141:196 142:348 143:352 144:482 145:54 146:429 147:169 148:628 149:304 150:152 151:233 152:291 153:171 154:3 155:367 156:169 157:335 158:112 159:357 160:315 161:190 162:267 163:165 164:417 165:366 166:467 167:409 168:677 169:156 170:719 171:62 172:2 173:1086 174:558 175:176 176:1 177:1 178:518 180:677 181:1 182:228 183:258 184:156 186:685 187:501 188:825 189:805 190:4134 192:5776 193:4738 194:3432 195:2828 196:1202 198:3557 199:3591 200:5411 201:1581 202:8079 203:8302 204:4016 205:2396 206:2529 207:3040 208:3888 209:3496 210:2559 211:1283 212:1777 213:1701 214:665 215:66 216:4742 217:1569 218:491 219:401 220:1170 221:427 222:341 223:46 End of report