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 15 Aug, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 555591 Prefixes after maximum aggregation (per Origin AS): 209897 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 271515 Total ASes present in the Internet Routing Table: 51157 Prefixes per ASN: 10.86 Origin-only ASes present in the Internet Routing Table: 36687 Origin ASes announcing only one prefix: 16138 Transit ASes present in the Internet Routing Table: 6349 Transit-only ASes present in the Internet Routing Table: 171 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 45 Max AS path prepend of ASN ( 55644) 41 Prefixes from unregistered ASNs in the Routing Table: 1137 Unregistered ASNs in the Routing Table: 417 Number of 32-bit ASNs allocated by the RIRs: 10589 Number of 32-bit ASNs visible in the Routing Table: 8121 Prefixes from 32-bit ASNs in the Routing Table: 30113 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 469 Number of addresses announced to Internet: 2791842272 Equivalent to 166 /8s, 104 /16s and 33 /24s Percentage of available address space announced: 75.4 Percentage of allocated address space announced: 75.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.6 Total number of prefixes smaller than registry allocations: 185606 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 137009 Total APNIC prefixes after maximum aggregation: 39843 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 144204 Unique aggregates announced from the APNIC address blocks: 59017 APNIC Region origin ASes present in the Internet Routing Table: 5075 APNIC Prefixes per ASN: 28.41 APNIC Region origin ASes announcing only one prefix: 1195 APNIC Region transit ASes present in the Internet Routing Table: 892 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1594 Number of APNIC addresses announced to Internet: 750617152 Equivalent to 44 /8s, 189 /16s and 130 /24s Percentage of available APNIC address space announced: 87.7 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: 180583 Total ARIN prefixes after maximum aggregation: 88197 ARIN Deaggregation factor: 2.05 Prefixes being announced from the ARIN address blocks: 183340 Unique aggregates announced from the ARIN address blocks: 85722 ARIN Region origin ASes present in the Internet Routing Table: 16588 ARIN Prefixes per ASN: 11.05 ARIN Region origin ASes announcing only one prefix: 6063 ARIN Region transit ASes present in the Internet Routing Table: 1739 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 601 Number of ARIN addresses announced to Internet: 1103720224 Equivalent to 65 /8s, 201 /16s and 111 /24s Percentage of available ARIN address space announced: 58.4 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, 62464-63487, 64198-64296, 393216-395164 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: 134477 Total RIPE prefixes after maximum aggregation: 67196 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 141153 Unique aggregates announced from the RIPE address blocks: 87697 RIPE Region origin ASes present in the Internet Routing Table: 17968 RIPE Prefixes per ASN: 7.86 RIPE Region origin ASes announcing only one prefix: 8068 RIPE Region transit ASes present in the Internet Routing Table: 2967 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3939 Number of RIPE addresses announced to Internet: 699098752 Equivalent to 41 /8s, 171 /16s and 102 /24s Percentage of available RIPE address space announced: 101.6 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, 196608-204287 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: 60885 Total LACNIC prefixes after maximum aggregation: 11560 LACNIC Deaggregation factor: 5.27 Prefixes being announced from the LACNIC address blocks: 72180 Unique aggregates announced from the LACNIC address blocks: 33385 LACNIC Region origin ASes present in the Internet Routing Table: 2463 LACNIC Prefixes per ASN: 29.31 LACNIC Region origin ASes announcing only one prefix: 616 LACNIC Region transit ASes present in the Internet Routing Table: 510 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1848 Number of LACNIC addresses announced to Internet: 168753920 Equivalent to 10 /8s, 14 /16s and 251 /24s Percentage of available LACNIC address space announced: 100.6 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: 12336 Total AfriNIC prefixes after maximum aggregation: 3053 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 14245 Unique aggregates announced from the AfriNIC address blocks: 5286 AfriNIC Region origin ASes present in the Internet Routing Table: 739 AfriNIC Prefixes per ASN: 19.28 AfriNIC Region origin ASes announcing only one prefix: 196 AfriNIC Region transit ASes present in the Internet Routing Table: 162 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 139 Number of AfriNIC addresses announced to Internet: 69037056 Equivalent to 4 /8s, 29 /16s and 108 /24s Percentage of available AfriNIC address space announced: 68.6 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 3011 11302 988 Korea Telecom 7545 2766 339 136 TPG Telecom Limited 17974 2706 904 80 PT Telekomunikasi Indonesia 4755 2031 426 225 TATA Communications formerly 4538 1950 4190 71 China Education and Research 9829 1863 1372 196 National Internet Backbone 9808 1577 8639 18 Guangdong Mobile Communicatio 4808 1524 2252 471 CNCGROUP IP network China169 9583 1523 120 572 Sify Limited 9498 1376 335 109 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 3181 2961 140 Cox Communications Inc. 6389 2715 3688 51 BellSouth.net Inc. 3356 2563 10710 512 Level 3 Communications, Inc. 18566 2114 386 244 MegaPath Corporation 20115 1874 1853 405 Charter Communications 6983 1740 851 243 EarthLink, Inc. 4323 1589 1005 411 tw telecom holdings, inc. 30036 1573 319 458 Mediacom Communications Corp 701 1409 11393 687 MCI Communications Services, 22561 1373 415 256 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 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 20940 2069 817 1498 Akamai International B.V. 34984 2031 305 379 TELLCOM ILETISIM HIZMETLERI A 6849 1207 355 21 JSC "Ukrtelecom" 13188 1068 97 77 TOV "Bank-Inform" 31148 1055 46 24 Freenet Ltd. 8551 996 376 52 Bezeq International-Ltd 12479 978 933 77 France Telecom Espana SA 8402 948 544 15 OJSC "Vimpelcom" 6830 918 2696 471 Liberty Global Operations B.V 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 3342 539 146 Telmex Colombia S.A. 28573 2282 2171 119 NET Serviços de Comunicação S 8151 1685 3261 486 Uninet S.A. de C.V. 7303 1560 931 240 Telecom Argentina S.A. 6147 1447 374 30 Telefonica del Peru S.A.A. 6503 1251 421 55 Axtel, S.A.B. de C.V. 26615 1075 2325 35 Tim Celular S.A. 7738 996 1882 41 Telemar Norte Leste S.A. 3816 947 430 162 COLOMBIA TELECOMUNICACIONES S 11830 922 364 15 Instituto Costarricense de El 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 24863 903 280 26 Link Egypt (Link.NET) 8452 857 1470 14 TE-AS 36903 512 258 99 Office National des Postes et 36992 442 1229 32 ETISALAT MISR 37492 312 175 71 Orange Tunisie 24835 308 146 12 Vodafone Data 3741 252 857 208 Internet Solutions 29571 248 21 13 Cote d'Ivoire Telecom 37054 211 20 7 Data Telecom Service 36947 183 807 13 Telecom Algeria 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 3342 539 146 Telmex Colombia S.A. 22773 3181 2961 140 Cox Communications Inc. 4766 3011 11302 988 Korea Telecom 7545 2766 339 136 TPG Telecom Limited 6389 2715 3688 51 BellSouth.net Inc. 17974 2706 904 80 PT Telekomunikasi Indonesia 3356 2563 10710 512 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2282 2171 119 NET Serviços de Comunicação S 18566 2114 386 244 MegaPath Corporation Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 22773 3181 3041 Cox Communications Inc. 6389 2715 2664 BellSouth.net Inc. 7545 2766 2630 TPG Telecom Limited 17974 2706 2626 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 28573 2282 2163 NET Serviços de Comunicação S 3356 2563 2051 Level 3 Communications, Inc. 4766 3011 2023 Korea Telecom 4538 1950 1879 China Education and Research 18566 2114 1870 MegaPath Corporation Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey 53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.100.1.0/24 9730 Bharti Telesonic Ltd Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.192.56.0/22 23456 32bit Transition AS 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/20 40430 colo4jax, LLC 23.249.144.0/21 40430 colo4jax, LLC 23.249.152.0/21 40430 colo4jax, LLC 27.54.116.0/22 23456 32bit Transition AS 27.96.88.0/22 23456 32bit Transition AS 27.100.7.0/24 56096 >>UNKNOWN<< 27.100.24.0/22 23456 32bit Transition AS 27.109.124.0/22 23456 32bit Transition AS 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 /8:17 /9:13 /10:36 /11:96 /12:263 /13:505 /14:1002 /15:1731 /16:12890 /17:7251 /18:12377 /19:25530 /20:36031 /21:38782 /22:61043 /23:53092 /24:301881 /25:1121 /26:1155 /27:716 /28:14 /29:14 /30:9 /31:0 /32:22 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2373 3181 Cox Communications Inc. 18566 2039 2114 MegaPath Corporation 6389 1610 2715 BellSouth.net Inc. 30036 1394 1573 Mediacom Communications Corp 6983 1385 1740 EarthLink, Inc. 34984 1340 2031 TELLCOM ILETISIM HIZMETLERI A 10620 1209 3342 Telmex Colombia S.A. 11492 1112 1196 CABLE ONE, INC. 22561 1046 1373 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1540 2:691 4:97 5:1851 6:25 8:1384 12:1806 13:14 14:1403 15:17 16:2 17:42 18:22 20:49 23:1308 24:1747 27:2029 31:1575 32:37 33:2 34:4 35:3 36:158 37:2002 38:1037 39:14 40:70 41:2804 42:302 43:1416 44:31 45:953 46:2358 47:52 49:930 50:789 52:15 54:86 55:5 56:6 57:42 58:1350 59:718 60:480 61:1753 62:1370 63:1904 64:4428 65:2251 66:4036 67:2062 68:1071 69:3240 70:1029 71:449 72:1971 74:2587 75:353 76:390 77:1322 78:1127 79:812 80:1358 81:1333 82:858 83:719 84:783 85:1351 86:450 87:1041 88:538 89:1945 90:147 91:5938 92:846 93:2276 94:2080 95:2192 96:413 97:347 98:987 99:56 100:75 101:851 103:8025 104:1988 105:71 106:347 107:1051 108:624 109:2126 110:1191 111:1455 112:811 113:1101 114:846 115:1296 116:1452 117:1075 118:1885 119:1454 120:455 121:1087 122:2160 123:1842 124:1525 125:1618 128:651 129:393 130:429 131:1245 132:527 133:171 134:410 135:102 136:351 137:328 138:1108 139:145 140:241 141:492 142:668 143:532 144:543 145:126 146:795 147:589 148:1261 149:429 150:570 151:801 152:528 153:253 154:495 155:869 156:427 157:421 158:358 159:1033 160:407 161:664 162:2020 163:456 164:701 165:709 166:300 167:856 168:1247 169:188 170:1469 171:253 172:245 173:1514 174:719 175:696 176:1423 177:3876 178:2160 179:977 180:1937 181:1662 182:1792 183:632 184:763 185:4066 186:2908 187:1839 188:2068 189:1594 190:7811 191:1113 192:8615 193:5654 194:4220 195:3649 196:1993 197:1054 198:5620 199:5508 200:6677 201:3281 202:9507 203:9160 204:4684 205:2851 206:3024 207:2988 208:4000 209:3918 210:3597 211:1919 212:2526 213:2258 214:841 215:74 216:5746 217:1833 218:735 219:462 220:1542 221:809 222:473 223:817 End of report