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 21 Nov, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 571013 Prefixes after maximum aggregation (per Origin AS): 212430 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 279150 Total ASes present in the Internet Routing Table: 52060 Prefixes per ASN: 10.97 Origin-only ASes present in the Internet Routing Table: 36697 Origin ASes announcing only one prefix: 15985 Transit ASes present in the Internet Routing Table: 6347 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: 50 Max AS path prepend of ASN ( 55644) 41 Prefixes from unregistered ASNs in the Routing Table: 1045 Unregistered ASNs in the Routing Table: 377 Number of 32-bit ASNs allocated by the RIRs: 11786 Number of 32-bit ASNs visible in the Routing Table: 9016 Prefixes from 32-bit ASNs in the Routing Table: 34268 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 431 Number of addresses announced to Internet: 2798739168 Equivalent to 166 /8s, 209 /16s and 94 /24s Percentage of available address space announced: 75.6 Percentage of allocated address space announced: 75.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.8 Total number of prefixes smaller than registry allocations: 187607 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 145397 Total APNIC prefixes after maximum aggregation: 40151 APNIC Deaggregation factor: 3.62 Prefixes being announced from the APNIC address blocks: 153613 Unique aggregates announced from the APNIC address blocks: 61752 APNIC Region origin ASes present in the Internet Routing Table: 5117 APNIC Prefixes per ASN: 30.02 APNIC Region origin ASes announcing only one prefix: 1200 APNIC Region transit ASes present in the Internet Routing Table: 884 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 50 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1718 Number of APNIC addresses announced to Internet: 755568544 Equivalent to 45 /8s, 9 /16s and 15 /24s Percentage of available APNIC address space announced: 88.3 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: 180528 Total ARIN prefixes after maximum aggregation: 88974 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 183890 Unique aggregates announced from the ARIN address blocks: 87194 ARIN Region origin ASes present in the Internet Routing Table: 16512 ARIN Prefixes per ASN: 11.14 ARIN Region origin ASes announcing only one prefix: 5990 ARIN Region transit ASes present in the Internet Routing Table: 1712 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 832 Number of ARIN addresses announced to Internet: 1100853184 Equivalent to 65 /8s, 157 /16s and 175 /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: 137198 Total RIPE prefixes after maximum aggregation: 68452 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 144762 Unique aggregates announced from the RIPE address blocks: 89761 RIPE Region origin ASes present in the Internet Routing Table: 18018 RIPE Prefixes per ASN: 8.03 RIPE Region origin ASes announcing only one prefix: 7996 RIPE Region transit ASes present in the Internet Routing Table: 2968 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4212 Number of RIPE addresses announced to Internet: 701424000 Equivalent to 41 /8s, 206 /16s and 225 /24s Percentage of available RIPE address space announced: 102.0 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: 60392 Total LACNIC prefixes after maximum aggregation: 11717 LACNIC Deaggregation factor: 5.15 Prefixes being announced from the LACNIC address blocks: 72900 Unique aggregates announced from the LACNIC address blocks: 33932 LACNIC Region origin ASes present in the Internet Routing Table: 2468 LACNIC Prefixes per ASN: 29.54 LACNIC Region origin ASes announcing only one prefix: 606 LACNIC Region transit ASes present in the Internet Routing Table: 537 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2084 Number of LACNIC addresses announced to Internet: 169848832 Equivalent to 10 /8s, 31 /16s and 176 /24s Percentage of available LACNIC address space announced: 101.2 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: 13143 Total AfriNIC prefixes after maximum aggregation: 3095 AfriNIC Deaggregation factor: 4.25 Prefixes being announced from the AfriNIC address blocks: 15417 Unique aggregates announced from the AfriNIC address blocks: 6152 AfriNIC Region origin ASes present in the Internet Routing Table: 736 AfriNIC Prefixes per ASN: 20.95 AfriNIC Region origin ASes announcing only one prefix: 193 AfriNIC Region transit ASes present in the Internet Routing Table: 168 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 170 Number of AfriNIC addresses announced to Internet: 70674944 Equivalent to 4 /8s, 54 /16s and 106 /24s Percentage of available AfriNIC address space announced: 70.2 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 5600 4192 76 China Education and Research 4766 2993 11135 989 Korea Telecom 7545 2954 340 143 TPG Telecom Limited 17974 2731 914 96 PT Telekomunikasi Indonesia 4755 2065 431 230 TATA Communications formerly 9829 2022 1407 304 National Internet Backbone 9808 1659 8639 18 Guangdong Mobile Communicatio 4812 1609 2099 114 China Telecom (Group) 4808 1550 2265 488 CNCGROUP IP network China169 9583 1495 119 560 Sify Limited 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 3245 2964 143 Cox Communications Inc. 3356 2553 10689 511 Level 3 Communications, Inc. 6389 2510 3687 42 BellSouth.net Inc. 18566 2216 394 277 MegaPath Corporation 20115 1887 1897 400 Charter Communications 6983 1699 849 239 EarthLink, Inc. 30036 1647 329 361 Mediacom Communications Corp 4323 1578 1020 398 tw telecom holdings, inc. 209 1479 4325 1232 Qwest Communications Company, 701 1392 11415 666 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 2473 129 7 SaudiNet, Saudi Telecom Compa 20940 2219 876 1598 Akamai International B.V. 34984 1920 320 403 TELLCOM ILETISIM HIZMETLERI A 8402 1197 544 15 OJSC "Vimpelcom" 8551 1088 376 53 Bezeq International-Ltd 13188 1074 97 79 TOV "Bank-Inform" 12479 1042 982 84 France Telecom Espana SA 31148 1041 47 41 Freenet Ltd. 9198 971 350 29 JSC Kazakhtelecom 6830 892 2706 466 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 3400 541 160 Telmex Colombia S.A. 8151 2108 3334 496 Uninet S.A. de C.V. 7303 1578 943 237 Telecom Argentina S.A. 6503 1379 437 57 Axtel, S.A.B. de C.V. 28573 1313 2166 117 NET Serviços de Comunicação S 11830 1094 364 24 Instituto Costarricense de El 6147 1040 376 34 Telefonica del Peru S.A.A. 26615 1002 2325 34 Tim Celular S.A. 7738 995 1882 41 Telemar Norte Leste S.A. 3816 967 451 178 COLOMBIA TELECOMUNICACIONES S 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 1112 1470 14 TE-AS 24863 1070 409 38 Link Egypt (Link.NET) 37611 571 38 42 Afrihost-Brevis Computer Serv 36903 522 263 102 Office National des Postes et 36992 437 1229 32 ETISALAT MISR 37492 326 192 74 Orange Tunisie 29571 243 21 11 Cote d'Ivoire Telecom 24835 234 146 12 Vodafone Data 3741 221 837 183 Internet Solutions 15706 171 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 4538 5600 4192 76 China Education and Research 10620 3400 541 160 Telmex Colombia S.A. 22773 3245 2964 143 Cox Communications Inc. 4766 2993 11135 989 Korea Telecom 7545 2954 340 143 TPG Telecom Limited 17974 2731 914 96 PT Telekomunikasi Indonesia 3356 2553 10689 511 Level 3 Communications, Inc. 6389 2510 3687 42 BellSouth.net Inc. 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 20940 2219 876 1598 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 3400 3240 Telmex Colombia S.A. 22773 3245 3102 Cox Communications Inc. 7545 2954 2811 TPG Telecom Limited 17974 2731 2635 PT Telekomunikasi Indonesia 6389 2510 2468 BellSouth.net Inc. 39891 2473 2466 SaudiNet, Saudi Telecom Compa 3356 2553 2042 Level 3 Communications, Inc. 4766 2993 2004 Korea Telecom 18566 2216 1939 MegaPath Corporation 4755 2065 1835 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 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 Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.64.254.0/24 9583 Sify Limited Complete listing at http://thyme.rand.apnic.net/current/data-dsua 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<< 31.170.96.0/23 23456 32bit Transition AS 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.46.8.0/23 13768 Peer 1 Network (USA) Inc. 37.46.10.0/23 36351 SoftLayer Technologies Inc. 37.46.14.0/24 36351 SoftLayer Technologies Inc. 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 /9:11 /10:36 /11:97 /12:263 /13:507 /14:1008 /15:1761 /16:12925 /17:7435 /18:12585 /19:26080 /20:37662 /21:39749 /22:62786 /23:54562 /24:311970 /25:545 /26:566 /27:385 /28:19 /29:15 /30:9 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2437 3245 Cox Communications Inc. 39891 2432 2473 SaudiNet, Saudi Telecom Compa 18566 2118 2216 MegaPath Corporation 6389 1554 2510 BellSouth.net Inc. 30036 1464 1647 Mediacom Communications Corp 6983 1345 1699 EarthLink, Inc. 10620 1276 3400 Telmex Colombia S.A. 34984 1204 1920 TELLCOM ILETISIM HIZMETLERI A 11492 1127 1211 CABLE ONE, INC. 31148 960 1041 Freenet Ltd. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1640 2:701 4:100 5:1949 6:25 8:1412 12:1801 13:27 14:1528 15:22 16:2 17:57 18:19 20:47 23:1291 24:1736 27:2118 31:1667 32:54 33:2 34:4 35:5 36:172 37:2259 38:1112 39:20 40:73 41:2924 42:366 43:1619 44:36 45:1509 46:2316 47:64 49:1034 50:817 52:29 54:92 55:7 56:8 57:44 58:1419 59:832 60:508 61:1795 62:1398 63:1905 64:4371 65:2192 66:4022 67:2125 68:1085 69:3273 70:1017 71:463 72:1985 74:2549 75:356 76:416 77:1397 78:1254 79:802 80:1344 81:1347 82:835 83:651 84:794 85:1482 86:455 87:1036 88:536 89:1909 90:164 91:5990 92:863 93:2277 94:2184 95:2238 96:475 97:352 98:943 99:47 100:79 101:844 103:8871 104:2163 105:72 106:358 107:1097 108:634 109:2115 110:1218 111:1444 112:865 113:1103 114:878 115:1484 116:1474 117:1182 118:1971 119:1502 120:498 121:1154 122:2247 123:1860 124:1581 125:1738 128:704 129:369 130:388 131:1281 132:587 133:165 134:442 135:119 136:337 137:305 138:1478 139:190 140:244 141:454 142:655 143:692 144:572 145:142 146:794 147:612 148:1279 149:440 150:624 151:809 152:566 153:264 154:466 155:904 156:435 157:444 158:352 159:1062 160:407 161:665 162:2183 163:519 164:707 165:1082 166:312 167:883 168:1302 169:540 170:1430 171:261 172:351 173:1545 174:721 175:742 176:1509 177:3977 178:2293 179:1028 180:2031 181:1633 182:1859 183:668 184:766 185:4880 186:2996 187:1887 188:2074 189:1698 190:7493 191:1231 192:8688 193:5669 194:4291 195:3661 196:2260 197:1167 198:5528 199:5564 200:6697 201:3501 202:9875 203:9274 204:4572 205:2746 206:3029 207:3009 208:4005 209:3970 210:3756 211:2012 212:2613 213:2163 214:835 215:72 216:5753 217:1870 218:788 219:541 220:1601 221:805 222:725 223:856 End of report