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 17 Jan, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 526976 Prefixes after maximum aggregation (per Origin AS): 202232 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 257810 Total ASes present in the Internet Routing Table: 49093 Prefixes per ASN: 10.73 Origin-only ASes present in the Internet Routing Table: 36410 Origin ASes announcing only one prefix: 16310 Transit ASes present in the Internet Routing Table: 6195 Transit-only ASes present in the Internet Routing Table: 168 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 107 Max AS path prepend of ASN ( 55644) 100 Prefixes from unregistered ASNs in the Routing Table: 1602 Unregistered ASNs in the Routing Table: 417 Number of 32-bit ASNs allocated by the RIRs: 8376 Number of 32-bit ASNs visible in the Routing Table: 6488 Prefixes from 32-bit ASNs in the Routing Table: 23272 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: 392 Number of addresses announced to Internet: 2719739492 Equivalent to 162 /8s, 27 /16s and 238 /24s Percentage of available address space announced: 73.5 Percentage of allocated address space announced: 73.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.1 Total number of prefixes smaller than registry allocations: 177721 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 130455 Total APNIC prefixes after maximum aggregation: 38037 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 135324 Unique aggregates announced from the APNIC address blocks: 55288 APNIC Region origin ASes present in the Internet Routing Table: 5016 APNIC Prefixes per ASN: 26.98 APNIC Region origin ASes announcing only one prefix: 1225 APNIC Region transit ASes present in the Internet Routing Table: 864 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 107 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1252 Number of APNIC addresses announced to Internet: 741194624 Equivalent to 44 /8s, 45 /16s and 187 /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: 174887 Total ARIN prefixes after maximum aggregation: 86451 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 176802 Unique aggregates announced from the ARIN address blocks: 82742 ARIN Region origin ASes present in the Internet Routing Table: 16434 ARIN Prefixes per ASN: 10.76 ARIN Region origin ASes announcing only one prefix: 6086 ARIN Region transit ASes present in the Internet Routing Table: 1715 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 322 Number of ARIN addresses announced to Internet: 1055595232 Equivalent to 62 /8s, 235 /16s and 26 /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: 127056 Total RIPE prefixes after maximum aggregation: 63838 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 133202 Unique aggregates announced from the RIPE address blocks: 83191 RIPE Region origin ASes present in the Internet Routing Table: 17829 RIPE Prefixes per ASN: 7.47 RIPE Region origin ASes announcing only one prefix: 8150 RIPE Region transit ASes present in the Internet Routing Table: 2924 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: 3357 Number of RIPE addresses announced to Internet: 692833412 Equivalent to 41 /8s, 75 /16s and 204 /24s Percentage of available RIPE address space announced: 100.7 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: 58714 Total LACNIC prefixes after maximum aggregation: 10894 LACNIC Deaggregation factor: 5.39 Prefixes being announced from the LACNIC address blocks: 67849 Unique aggregates announced from the LACNIC address blocks: 31251 LACNIC Region origin ASes present in the Internet Routing Table: 2391 LACNIC Prefixes per ASN: 28.38 LACNIC Region origin ASes announcing only one prefix: 643 LACNIC Region transit ASes present in the Internet Routing Table: 469 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: 1472 Number of LACNIC addresses announced to Internet: 167684224 Equivalent to 9 /8s, 254 /16s and 168 /24s Percentage of available LACNIC address space announced: 99.9 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: 12479 Total AfriNIC prefixes after maximum aggregation: 2968 AfriNIC Deaggregation factor: 4.20 Prefixes being announced from the AfriNIC address blocks: 13407 Unique aggregates announced from the AfriNIC address blocks: 4990 AfriNIC Region origin ASes present in the Internet Routing Table: 737 AfriNIC Prefixes per ASN: 18.19 AfriNIC Region origin ASes announcing only one prefix: 206 AfriNIC Region transit ASes present in the Internet Routing Table: 151 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: 85 Number of AfriNIC addresses announced to Internet: 60936448 Equivalent to 3 /8s, 161 /16s and 209 /24s Percentage of available AfriNIC address space announced: 60.5 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 2905 11556 910 Korea Telecom 17974 2830 904 77 PT Telekomunikasi Indonesia 7545 2500 336 128 TPG Telecom Limited 4755 1933 418 191 TATA Communications formerly 4538 1758 4190 71 China Education and Research 9829 1675 1323 30 National Internet Backbone 9808 1523 6719 19 Guangdong Mobile Communicatio 4808 1457 2213 435 CNCGROUP IP network China169 9583 1393 115 572 Sify Limited 9498 1292 336 98 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 2930 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 3356 2566 10685 478 Level 3 Communications, Inc. 18566 2042 379 183 MegaPath Corporation 20115 1855 1826 448 Charter Communications 6983 1629 867 245 EarthLink, Inc. 4323 1622 1037 408 tw telecom holdings, inc. 30036 1522 316 541 Mediacom Communications Corp 701 1399 11273 686 MCI Communications Services, 22561 1339 411 241 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 1937 300 359 TELLCOM ILETISIM HIZMETLERI A 20940 1546 603 1147 Akamai International B.V. 8402 1428 544 15 OJSC "Vimpelcom" 6849 1233 356 25 JSC "Ukrtelecom" 13188 1038 97 55 TOV "Bank-Inform" 31148 940 45 41 Freenet Ltd. 8551 904 373 48 Bezeq International-Ltd 9198 853 349 26 JSC Kazakhtelecom 12479 831 793 86 France Telecom Espana SA 6830 825 2340 445 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 3057 495 248 Telmex Colombia S.A. 28573 2320 2130 116 NET Serviços de Comunicação S 6147 1780 374 30 Telefonica del Peru S.A.A. 7303 1768 1172 237 Telecom Argentina S.A. 8151 1489 3080 431 Uninet S.A. de C.V. 6503 1226 417 56 Axtel, S.A.B. de C.V. 7738 1000 1882 42 Telemar Norte Leste S.A. 3816 915 396 148 COLOMBIA TELECOMUNICACIONES S 26615 914 2325 35 Tim Celular S.A. 18881 857 1036 22 Global Village Telecom 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 1497 958 13 TE-AS 24863 951 284 26 Link Egypt (Link.NET) 36903 480 242 90 Office National des Postes et 36992 373 845 30 ETISALAT MISR 37492 347 145 64 Orange Tunisie 24835 295 144 9 Vodafone Data 3741 248 921 213 Internet Solutions 29571 233 21 12 Cote d'Ivoire Telecom 36947 195 807 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 3057 495 248 Telmex Colombia S.A. 22773 2930 2955 141 Cox Communications Inc. 4766 2905 11556 910 Korea Telecom 6389 2891 3688 51 BellSouth.net Inc. 17974 2830 904 77 PT Telekomunikasi Indonesia 3356 2566 10685 478 Level 3 Communications, Inc. 7545 2500 336 128 TPG Telecom Limited 28573 2320 2130 116 NET Serviços de Comunicação S 18566 2042 379 183 MegaPath Corporation 34984 1937 300 359 TELLCOM ILETISIM HIZMETLERI A 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 2930 2789 Cox Communications Inc. 17974 2830 2753 PT Telekomunikasi Indonesia 7545 2500 2372 TPG Telecom Limited 28573 2320 2204 NET Serviços de Comunicação S 3356 2566 2088 Level 3 Communications, Inc. 4766 2905 1995 Korea Telecom 18566 2042 1859 MegaPath Corporation 6147 1780 1750 Telefonica del Peru S.A.A. 4755 1933 1742 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 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 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 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 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 23.92.160.0/24 14013 EPSON America (Factory Automa 23.92.161.0/24 14013 EPSON America (Factory Automa 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<< 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 /15:1724 /16:13041 /17:7193 /18:12004 /19:24928 /20:35731 /21:38315 /22:56977 /23:49791 /24:282396 /25:1149 /26:1084 /27:677 /28:15 /29:14 /30:10 /31:0 /32:11 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2143 2930 Cox Communications Inc. 18566 1997 2042 MegaPath Corporation 6389 1671 2891 BellSouth.net Inc. 30036 1367 1522 Mediacom Communications Corp 6147 1323 1780 Telefonica del Peru S.A.A. 6983 1315 1629 EarthLink, Inc. 34984 1241 1937 TELLCOM ILETISIM HIZMETLERI A 11492 1125 1184 CABLE ONE, INC. 8402 1093 1428 OJSC "Vimpelcom" 10620 1090 3057 Telmex Colombia S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1420 2:672 3:1 4:94 5:1216 6:21 8:1403 11:1 12:1839 13:4 14:1253 15:17 16:2 17:45 18:21 20:50 23:1097 24:1673 27:1823 31:1486 32:39 33:2 34:5 35:1 36:130 37:1884 38:969 39:15 40:230 41:3001 42:267 43:915 44:23 45:90 46:2132 47:34 49:781 50:784 52:12 54:66 55:7 56:8 57:32 58:1121 59:674 60:454 61:1747 62:1287 63:1901 64:4400 65:2268 66:4079 67:2009 68:1035 69:3248 70:907 71:427 72:1969 74:2621 75:314 76:411 77:1414 78:1032 79:788 80:1324 81:1300 82:802 83:669 84:673 85:1314 86:384 87:1193 88:522 89:1761 90:139 91:5882 92:794 93:1694 94:1911 95:1396 96:420 97:334 98:1040 99:46 100:70 101:802 103:6517 104:1080 105:109 106:199 107:886 108:607 109:2019 110:1063 111:1469 112:743 113:978 114:808 115:1249 116:1320 117:1031 118:1681 119:1395 120:438 121:1012 122:2173 123:1718 124:1490 125:1523 128:645 129:374 130:382 131:1080 132:449 133:167 134:389 135:86 136:331 137:299 138:396 139:176 140:220 141:411 142:620 143:444 144:515 145:112 146:725 147:547 148:1062 149:395 150:548 151:748 152:485 153:246 154:296 155:676 156:394 157:330 158:263 159:946 160:370 161:631 162:1872 163:372 164:645 165:659 166:322 167:717 168:994 169:140 170:1430 171:223 172:48 173:1583 174:707 175:611 176:1471 177:3692 178:2102 179:819 180:1856 181:1630 182:1699 183:575 184:731 185:2666 186:2830 187:1723 188:2001 189:1553 190:7889 191:813 192:8027 193:5556 194:4057 195:3630 196:1687 197:850 198:5447 199:5512 200:6512 201:2925 202:9491 203:9042 204:4656 205:2724 206:3006 207:2971 208:3931 209:3876 210:3495 211:1836 212:2544 213:2258 214:838 215:73 216:5530 217:1776 218:664 219:460 220:1319 221:784 222:462 223:677 End of report