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, 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 <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 03 Jan, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 524053 Prefixes after maximum aggregation (per Origin AS): 201599 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 256561 Total ASes present in the Internet Routing Table: 48968 Prefixes per ASN: 10.70 Origin-only ASes present in the Internet Routing Table: 36361 Origin ASes announcing only one prefix: 16299 Transit ASes present in the Internet Routing Table: 6217 Transit-only ASes present in the Internet Routing Table: 170 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 100 Max AS path prepend of ASN ( 55644) 93 Prefixes from unregistered ASNs in the Routing Table: 1641 Unregistered ASNs in the Routing Table: 432 Number of 32-bit ASNs allocated by the RIRs: 8291 Number of 32-bit ASNs visible in the Routing Table: 6390 Prefixes from 32-bit ASNs in the Routing Table: 22960 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 396 Number of addresses announced to Internet: 2718618692 Equivalent to 162 /8s, 10 /16s and 212 /24s Percentage of available address space announced: 73.4 Percentage of allocated address space announced: 73.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.0 Total number of prefixes smaller than registry allocations: 176798 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 129283 Total APNIC prefixes after maximum aggregation: 37681 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 134136 Unique aggregates announced from the APNIC address blocks: 54942 APNIC Region origin ASes present in the Internet Routing Table: 5007 APNIC Prefixes per ASN: 26.79 APNIC Region origin ASes announcing only one prefix: 1215 APNIC Region transit ASes present in the Internet Routing Table: 864 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 100 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1238 Number of APNIC addresses announced to Internet: 740595776 Equivalent to 44 /8s, 36 /16s and 152 /24s Percentage of available APNIC address space announced: 86.6 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 131072-135580 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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, 150/8, 153/8, 163/8, 171/8, 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: 174308 Total ARIN prefixes after maximum aggregation: 86308 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 176223 Unique aggregates announced from the ARIN address blocks: 82419 ARIN Region origin ASes present in the Internet Routing Table: 16418 ARIN Prefixes per ASN: 10.73 ARIN Region origin ASes announcing only one prefix: 6066 ARIN Region transit ASes present in the Internet Routing Table: 1711 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 305 Number of ARIN addresses announced to Internet: 1055482112 Equivalent to 62 /8s, 233 /16s and 97 /24s Percentage of available ARIN address space announced: 55.8 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, 62464-63487, 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, 23/8, 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, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 125806 Total RIPE prefixes after maximum aggregation: 63668 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 131835 Unique aggregates announced from the RIPE address blocks: 82713 RIPE Region origin ASes present in the Internet Routing Table: 17829 RIPE Prefixes per ASN: 7.39 RIPE Region origin ASes announcing only one prefix: 8176 RIPE Region transit ASes present in the Internet Routing Table: 2927 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3315 Number of RIPE addresses announced to Internet: 692034180 Equivalent to 41 /8s, 63 /16s and 154 /24s Percentage of available RIPE address space announced: 100.6 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, 56320-58367 59392-61439, 61952-62463, 196608-202239 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 59103 Total LACNIC prefixes after maximum aggregation: 10919 LACNIC Deaggregation factor: 5.41 Prefixes being announced from the LACNIC address blocks: 68106 Unique aggregates announced from the LACNIC address blocks: 31173 LACNIC Region origin ASes present in the Internet Routing Table: 2397 LACNIC Prefixes per ASN: 28.41 LACNIC Region origin ASes announcing only one prefix: 641 LACNIC Region transit ASes present in the Internet Routing Table: 481 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1450 Number of LACNIC addresses announced to Internet: 167434112 Equivalent to 9 /8s, 250 /16s and 215 /24s Percentage of available LACNIC address space announced: 99.8 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-265628 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 12442 Total AfriNIC prefixes after maximum aggregation: 2979 AfriNIC Deaggregation factor: 4.18 Prefixes being announced from the AfriNIC address blocks: 13357 Unique aggregates announced from the AfriNIC address blocks: 4958 AfriNIC Region origin ASes present in the Internet Routing Table: 727 AfriNIC Prefixes per ASN: 18.37 AfriNIC Region origin ASes announcing only one prefix: 201 AfriNIC Region transit ASes present in the Internet Routing Table: 152 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 82 Number of AfriNIC addresses announced to Internet: 60958976 Equivalent to 3 /8s, 162 /16s and 41 /24s Percentage of available AfriNIC address space announced: 60.6 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2942 11559 925 Korea Telecom 17974 2816 904 77 PT Telekomunikasi Indonesia 7545 2489 336 127 TPG Telecom Limited 4755 1928 418 190 TATA Communications formerly 4538 1758 4190 71 China Education and Research 9829 1638 1323 28 National Internet Backbone 9808 1516 6719 19 Guangdong Mobile Communicatio 4808 1456 2211 431 CNCGROUP IP network China169 9583 1314 106 538 Sify Limited 9498 1298 336 97 BHARTI Airtel Ltd. 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 22773 2920 2956 142 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 3356 2563 10700 474 Level 3 Communications, Inc. 18566 2042 379 183 MegaPath Corporation 20115 1854 1825 445 Charter Communications 4323 1629 1054 409 tw telecom holdings, inc. 6983 1624 867 245 EarthLink, Inc. 30036 1509 312 582 Mediacom Communications Corp 701 1411 11262 695 MCI Communications Services, 22561 1340 411 242 CenturyTel Internet Holdings, 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 34984 1924 299 354 TELLCOM ILETISIM HIZMETLERI A 20940 1529 597 1127 Akamai International B.V. 8402 1415 544 15 OJSC "Vimpelcom" 31148 1045 45 21 Freenet Ltd. 13188 1036 97 54 TOV "Bank-Inform" 8551 906 373 48 Bezeq International-Ltd 9198 851 349 26 JSC Kazakhtelecom 6830 824 2340 444 Liberty Global Operations B.V 12479 819 794 85 France Telecom Espana SA 9121 598 1693 21 Turk Telekomunikasyon Anonim 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 10620 3059 496 238 Telmex Colombia S.A. 28573 2308 2126 115 NET Serviços de Comunicação S 6147 1793 374 30 Telefonica del Peru S.A.A. 7303 1771 1172 237 Telecom Argentina S.A. 8151 1488 3052 433 Uninet S.A. de C.V. 6503 1227 417 57 Axtel, S.A.B. de C.V. 7738 1000 1882 42 Telemar Norte Leste S.A. 26615 930 2325 35 Tim Celular S.A. 3816 911 396 148 COLOMBIA TELECOMUNICACIONES S 27947 889 129 50 Telconet 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 1479 958 13 TE-AS 24863 950 284 26 Link Egypt (Link.NET) 36903 482 243 89 Office National des Postes et 36992 369 845 29 ETISALAT MISR 37492 347 145 64 Orange Tunisie 24835 308 144 9 Vodafone Data 3741 250 921 213 Internet Solutions 29571 234 21 12 Cote d'Ivoire Telecom 36947 192 807 13 Telecom Algeria 15706 176 32 6 Sudatel (Sudan Telecom Co. Lt 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 10620 3059 496 238 Telmex Colombia S.A. 4766 2942 11559 925 Korea Telecom 22773 2920 2956 142 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 17974 2816 904 77 PT Telekomunikasi Indonesia 3356 2563 10700 474 Level 3 Communications, Inc. 7545 2489 336 127 TPG Telecom Limited 28573 2308 2126 115 NET Serviços de Comunicação S 18566 2042 379 183 MegaPath Corporation 4755 1928 418 190 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 6389 2891 2840 BellSouth.net Inc. 22773 2920 2778 Cox Communications Inc. 17974 2816 2739 PT Telekomunikasi Indonesia 7545 2489 2362 TPG Telecom Limited 28573 2308 2193 NET Serviços de Comunicação S 3356 2563 2089 Level 3 Communications, Inc. 4766 2942 2017 Korea Telecom 18566 2042 1859 MegaPath Corporation 6147 1793 1763 Telefonica del Peru S.A.A. 4755 1928 1738 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 50309 UNALLOCATED 5.250.170.0/24 12714 Net By Net Holding L 50309 UNALLOCATED 5.250.174.0/24 12714 Net By Net Holding L 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio 36270 UNALLOCATED 8.24.66.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 23.252.224.0/20 62502 >>UNKNOWN<< 23.252.224.0/21 62502 >>UNKNOWN<< 23.252.232.0/21 62502 >>UNKNOWN<< 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.16.88.0/23 57652 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 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 /8:16 /9:12 /10:31 /11:92 /12:265 /13:502 /14:998 /15:1727 /16:13049 /17:7172 /18:11949 /19:24845 /20:35605 /21:38150 /22:56453 /23:48993 /24:281241 /25:1123 /26:1089 /27:687 /28:17 /29:18 /30:10 /31:0 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2135 2920 Cox Communications Inc. 18566 1997 2042 MegaPath Corporation 6389 1671 2891 BellSouth.net Inc. 30036 1355 1509 Mediacom Communications Corp 6147 1337 1793 Telefonica del Peru S.A.A. 6983 1311 1624 EarthLink, Inc. 34984 1231 1924 TELLCOM ILETISIM HIZMETLERI A 11492 1116 1175 CABLE ONE, INC. 10620 1087 3059 Telmex Colombia S.A. 8402 1084 1415 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1406 2:672 3:3 4:95 5:1209 6:21 8:1412 11:1 12:1839 13:4 14:1212 15:17 16:2 17:45 18:21 20:51 23:1069 24:1666 27:1828 31:1464 32:39 33:2 34:5 36:136 37:1859 38:970 39:14 40:226 41:3000 42:286 43:827 44:21 45:86 46:2134 47:32 49:779 50:784 52:12 54:60 55:7 56:8 57:31 58:1092 59:657 60:451 61:1736 62:1289 63:1888 64:4404 65:2266 66:4071 67:2004 68:1030 69:3246 70:905 71:428 72:1959 74:2612 75:326 76:410 77:1363 78:1034 79:783 80:1327 81:1303 82:813 83:675 84:676 85:1324 86:387 87:1215 88:520 89:1799 90:139 91:5861 92:794 93:1666 94:1941 95:1406 96:422 97:337 98:1045 99:48 100:69 101:792 103:6409 104:949 105:90 106:198 107:893 108:608 109:2048 110:1049 111:1453 112:741 113:897 114:799 115:1233 116:1288 117:1016 118:1670 119:1367 120:436 121:991 122:2192 123:1711 124:1466 125:1510 128:637 129:360 130:381 131:1066 132:430 133:167 134:388 135:87 136:330 137:298 138:382 139:176 140:224 141:420 142:621 143:438 144:507 145:111 146:687 147:565 148:1061 149:407 150:535 151:590 152:467 153:247 154:292 155:662 156:408 157:333 158:264 159:957 160:369 161:632 162:1854 163:369 164:651 165:663 166:322 167:722 168:1158 169:132 170:1426 171:223 172:50 173:1564 174:702 175:596 176:1472 177:3687 178:2098 179:816 180:1846 181:1686 182:1688 183:537 184:727 185:2584 186:2943 187:1683 188:2006 189:1561 190:7886 191:838 192:7970 193:5554 194:4047 195:3629 196:1665 197:853 198:5424 199:5497 200:6539 201:2946 202:9472 203:9056 204:4692 205:2718 206:2990 207:2968 208:3907 209:3848 210:3491 211:1832 212:2531 213:2245 214:829 215:73 216:5516 217:1778 218:649 219:453 220:1319 221:776 222:458 223:645 End of report