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, SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG. 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 16 Jan, 2016 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 579243 Prefixes after maximum aggregation (per Origin AS): 214165 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 287310 Total ASes present in the Internet Routing Table: 52514 Prefixes per ASN: 11.03 Origin-only ASes present in the Internet Routing Table: 36606 Origin ASes announcing only one prefix: 15851 Transit ASes present in the Internet Routing Table: 6420 Transit-only ASes present in the Internet Routing Table: 166 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 39 Max AS path prepend of ASN ( 40285) 34 Prefixes from unregistered ASNs in the Routing Table: 1011 Unregistered ASNs in the Routing Table: 359 Number of 32-bit ASNs allocated by the RIRs: 12365 Number of 32-bit ASNs visible in the Routing Table: 9488 Prefixes from 32-bit ASNs in the Routing Table: 36286 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 414 Number of addresses announced to Internet: 2804584132 Equivalent to 167 /8s, 42 /16s and 142 /24s Percentage of available address space announced: 75.8 Percentage of allocated address space announced: 75.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.9 Total number of prefixes smaller than registry allocations: 189977 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 147506 Total APNIC prefixes after maximum aggregation: 40730 APNIC Deaggregation factor: 3.62 Prefixes being announced from the APNIC address blocks: 156287 Unique aggregates announced from the APNIC address blocks: 63033 APNIC Region origin ASes present in the Internet Routing Table: 5127 APNIC Prefixes per ASN: 30.48 APNIC Region origin ASes announcing only one prefix: 1181 APNIC Region transit ASes present in the Internet Routing Table: 903 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1799 Number of APNIC addresses announced to Internet: 756473220 Equivalent to 45 /8s, 22 /16s and 221 /24s Percentage of available APNIC address space announced: 88.4 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: 181505 Total ARIN prefixes after maximum aggregation: 89204 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 184920 Unique aggregates announced from the ARIN address blocks: 92086 ARIN Region origin ASes present in the Internet Routing Table: 16450 ARIN Prefixes per ASN: 11.24 ARIN Region origin ASes announcing only one prefix: 5923 ARIN Region transit ASes present in the Internet Routing Table: 1711 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 938 Number of ARIN addresses announced to Internet: 1100217536 Equivalent to 65 /8s, 147 /16s and 252 /24s Percentage of available ARIN address space announced: 58.2 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: 138794 Total RIPE prefixes after maximum aggregation: 69063 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 146870 Unique aggregates announced from the RIPE address blocks: 90884 RIPE Region origin ASes present in the Internet Routing Table: 18054 RIPE Prefixes per ASN: 8.14 RIPE Region origin ASes announcing only one prefix: 7968 RIPE Region transit ASes present in the Internet Routing Table: 3013 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4366 Number of RIPE addresses announced to Internet: 702490240 Equivalent to 41 /8s, 223 /16s and 38 /24s Percentage of available RIPE address space announced: 102.1 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, 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: 61110 Total LACNIC prefixes after maximum aggregation: 11950 LACNIC Deaggregation factor: 5.11 Prefixes being announced from the LACNIC address blocks: 74383 Unique aggregates announced from the LACNIC address blocks: 34513 LACNIC Region origin ASes present in the Internet Routing Table: 2468 LACNIC Prefixes per ASN: 30.14 LACNIC Region origin ASes announcing only one prefix: 588 LACNIC Region transit ASes present in the Internet Routing Table: 543 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 22 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2202 Number of LACNIC addresses announced to Internet: 170669568 Equivalent to 10 /8s, 44 /16s and 54 /24s Percentage of available LACNIC address space announced: 101.7 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: 13958 Total AfriNIC prefixes after maximum aggregation: 3177 AfriNIC Deaggregation factor: 4.39 Prefixes being announced from the AfriNIC address blocks: 16369 Unique aggregates announced from the AfriNIC address blocks: 6454 AfriNIC Region origin ASes present in the Internet Routing Table: 735 AfriNIC Prefixes per ASN: 22.27 AfriNIC Region origin ASes announcing only one prefix: 191 AfriNIC Region transit ASes present in the Internet Routing Table: 173 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 183 Number of AfriNIC addresses announced to Internet: 74363648 Equivalent to 4 /8s, 110 /16s and 179 /24s Percentage of available AfriNIC address space announced: 73.9 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 4538 5592 4192 76 China Education and Research 7545 3129 348 159 TPG Telecom Limited 4766 3017 11136 1005 Korea Telecom 17974 2859 914 96 PT Telekomunikasi Indonesia 9829 2294 1430 370 National Internet Backbone 4755 2076 432 234 TATA Communications formerly 9808 1725 8717 29 Guangdong Mobile Communicatio 4808 1611 2278 506 CNCGROUP IP network China169 9583 1515 121 560 Sify Limited 38197 1423 89 189 Sun Network (Hong Kong) Limit 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 3292 2948 145 Cox Communications Inc. 3356 2603 10691 547 Level 3 Communications, Inc. 6389 2508 3687 42 BellSouth.net Inc. 18566 2209 394 277 MegaPath Corporation 20115 1907 1908 409 Charter Communications 6983 1696 849 238 EarthLink, Inc. 30036 1679 333 325 Mediacom Communications Corp 4323 1580 1021 393 tw telecom holdings, inc. 209 1471 4339 1234 Qwest Communications Company, 701 1385 11450 656 MCI Communications Services, 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 2515 135 9 SaudiNet, Saudi Telecom Compa 20940 2322 917 1659 Akamai International B.V. 34984 1940 322 412 TELLCOM ILETISIM HIZMETLERI A 8551 1224 376 53 Bezeq International-Ltd 8402 1084 544 15 OJSC "Vimpelcom" 13188 1076 97 77 TOV "Bank-Inform" 12479 1072 965 80 France Telecom Espana SA 31148 1043 48 42 Freenet Ltd. 9198 976 352 24 JSC Kazakhtelecom 6830 895 2712 465 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 3412 540 144 Telmex Colombia S.A. 8151 2175 3384 523 Uninet S.A. de C.V. 7303 1588 943 243 Telecom Argentina S.A. 11830 1434 366 25 Instituto Costarricense de El 6503 1400 437 56 Axtel, S.A.B. de C.V. 28573 1161 2170 144 NET Serviços de Comunicação S 6147 1037 376 34 Telefonica del Peru S.A.A. 7738 994 1882 41 Telemar Norte Leste S.A. 3816 981 459 186 COLOMBIA TELECOMUNICACIONES S 26615 943 2325 34 Tim Celular 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 1275 1472 15 TE-AS 24863 1173 403 36 Link Egypt (Link.NET) 37611 584 39 42 Afrihost-Brevis Computer Serv 36903 553 278 106 Office National des Postes et 36992 450 1237 34 ETISALAT MISR 37492 335 213 63 Orange Tunisie 24835 331 146 12 Vodafone Data 29571 264 21 11 Cote d'Ivoire Telecom 3741 221 837 183 Internet Solutions 36947 177 807 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 4538 5592 4192 76 China Education and Research 10620 3412 540 144 Telmex Colombia S.A. 22773 3292 2948 145 Cox Communications Inc. 7545 3129 348 159 TPG Telecom Limited 4766 3017 11136 1005 Korea Telecom 17974 2859 914 96 PT Telekomunikasi Indonesia 3356 2603 10691 547 Level 3 Communications, Inc. 39891 2515 135 9 SaudiNet, Saudi Telecom Compa 6389 2508 3687 42 BellSouth.net Inc. 20940 2322 917 1659 Akamai International B.V. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 10620 3412 3268 Telmex Colombia S.A. 22773 3292 3147 Cox Communications Inc. 7545 3129 2970 TPG Telecom Limited 17974 2859 2763 PT Telekomunikasi Indonesia 39891 2515 2506 SaudiNet, Saudi Telecom Compa 6389 2508 2466 BellSouth.net Inc. 3356 2603 2056 Level 3 Communications, Inc. 4766 3017 2012 Korea Telecom 18566 2209 1932 MegaPath Corporation 9829 2294 1924 National Internet Backbone 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 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio 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 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 27.100.7.0/24 56096 >>UNKNOWN<< 37.46.10.0/23 36351 SoftLayer Technologies Inc. 37.46.14.0/24 36351 SoftLayer Technologies Inc. 37.46.15.0/24 36351 SoftLayer Technologies Inc. 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 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 /9:13 /10:35 /11:99 /12:263 /13:506 /14:1016 /15:1756 /16:12972 /17:7430 /18:12631 /19:25611 /20:37962 /21:40069 /22:63974 /23:55455 /24:317867 /25:544 /26:577 /27:386 /28:15 /29:16 /30:9 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2475 3292 Cox Communications Inc. 39891 2472 2515 SaudiNet, Saudi Telecom Compa 18566 2111 2209 MegaPath Corporation 6389 1553 2508 BellSouth.net Inc. 30036 1496 1679 Mediacom Communications Corp 6983 1342 1696 EarthLink, Inc. 10620 1292 3412 Telmex Colombia S.A. 34984 1226 1940 TELLCOM ILETISIM HIZMETLERI A 11492 1152 1244 CABLE ONE, INC. 31148 960 1043 Freenet Ltd. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1622 2:670 4:101 5:2073 6:26 8:1432 12:1783 13:33 14:1614 15:22 16:2 17:58 18:19 20:48 22:1 23:1339 24:1747 27:2215 31:1721 32:54 33:2 34:4 35:5 36:209 37:2331 38:1136 39:23 40:81 41:3097 42:374 43:1649 44:38 45:1627 46:2381 47:66 49:1077 50:827 51:3 52:42 54:136 55:6 56:8 57:44 58:1470 59:847 60:535 61:1777 62:1436 63:1915 64:4466 65:2175 66:4081 67:2109 68:1101 69:3282 70:1042 71:462 72:1984 74:2545 75:358 76:421 77:1366 78:1273 79:797 80:1313 81:1349 82:857 83:670 84:783 85:1522 86:455 87:1048 88:551 89:1933 90:150 91:5972 92:866 93:2306 94:2249 95:2262 96:472 97:352 98:944 99:45 100:75 101:877 103:9365 104:2206 105:94 106:373 107:1106 108:642 109:2172 110:1261 111:1595 112:888 113:1209 114:945 115:1573 116:1518 117:1363 118:2019 119:1534 120:494 121:1166 122:2277 123:2010 124:1590 125:1741 128:684 129:356 130:424 131:1304 132:603 133:170 134:450 135:117 136:345 137:325 138:1633 139:200 140:251 141:471 142:637 143:797 144:579 145:152 146:840 147:600 148:1407 149:453 150:639 151:802 152:583 153:266 154:539 155:913 156:451 157:419 158:348 159:1071 160:419 161:711 162:2234 163:528 164:717 165:1123 166:316 167:954 168:1355 169:566 170:1479 171:264 172:399 173:1586 174:708 175:820 176:1493 177:4082 178:2228 179:1080 180:2055 181:1636 182:1921 183:619 184:798 185:5393 186:3038 187:1905 188:2113 189:1735 190:7602 191:1270 192:8775 193:5728 194:4321 195:3721 196:2298 197:1149 198:5505 199:5535 200:6807 201:3695 202:9995 203:9348 204:4577 205:2720 206:2965 207:3030 208:4012 209:3963 210:3776 211:2005 212:2613 213:2131 214:827 215:73 216:5693 217:1886 218:742 219:557 220:1641 221:848 222:667 223:908 End of report