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 23 Jan, 2016 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 579746 Prefixes after maximum aggregation (per Origin AS): 214134 Deaggregation factor: 2.71 Unique aggregates announced (without unneeded subnets): 282531 Total ASes present in the Internet Routing Table: 52577 Prefixes per ASN: 11.03 Origin-only ASes present in the Internet Routing Table: 36609 Origin ASes announcing only one prefix: 15838 Transit ASes present in the Internet Routing Table: 6413 Transit-only ASes present in the Internet Routing Table: 167 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 37 Max AS path prepend of ASN ( 40285) 34 Prefixes from unregistered ASNs in the Routing Table: 1056 Unregistered ASNs in the Routing Table: 366 Number of 32-bit ASNs allocated by the RIRs: 12449 Number of 32-bit ASNs visible in the Routing Table: 9555 Prefixes from 32-bit ASNs in the Routing Table: 36644 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: 417 Number of addresses announced to Internet: 2802443204 Equivalent to 167 /8s, 9 /16s and 227 /24s Percentage of available address space announced: 75.7 Percentage of allocated address space announced: 75.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.0 Total number of prefixes smaller than registry allocations: 190414 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 147851 Total APNIC prefixes after maximum aggregation: 40754 APNIC Deaggregation factor: 3.63 Prefixes being announced from the APNIC address blocks: 156774 Unique aggregates announced from the APNIC address blocks: 63465 APNIC Region origin ASes present in the Internet Routing Table: 5127 APNIC Prefixes per ASN: 30.58 APNIC Region origin ASes announcing only one prefix: 1183 APNIC Region transit ASes present in the Internet Routing Table: 906 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: 1815 Number of APNIC addresses announced to Internet: 751777924 Equivalent to 44 /8s, 207 /16s and 56 /24s Percentage of available APNIC address space announced: 87.9 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: 180927 Total ARIN prefixes after maximum aggregation: 89114 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 185146 Unique aggregates announced from the ARIN address blocks: 86893 ARIN Region origin ASes present in the Internet Routing Table: 16447 ARIN Prefixes per ASN: 11.26 ARIN Region origin ASes announcing only one prefix: 5921 ARIN Region transit ASes present in the Internet Routing Table: 1707 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: 952 Number of ARIN addresses announced to Internet: 1101450176 Equivalent to 65 /8s, 166 /16s and 203 /24s Percentage of available ARIN address space announced: 58.3 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: 139183 Total RIPE prefixes after maximum aggregation: 69135 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 147347 Unique aggregates announced from the RIPE address blocks: 91063 RIPE Region origin ASes present in the Internet Routing Table: 18051 RIPE Prefixes per ASN: 8.16 RIPE Region origin ASes announcing only one prefix: 7951 RIPE Region transit ASes present in the Internet Routing Table: 3010 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4388 Number of RIPE addresses announced to Internet: 702693760 Equivalent to 41 /8s, 226 /16s and 65 /24s Percentage of available RIPE address space announced: 102.2 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: 60979 Total LACNIC prefixes after maximum aggregation: 11925 LACNIC Deaggregation factor: 5.11 Prefixes being announced from the LACNIC address blocks: 74275 Unique aggregates announced from the LACNIC address blocks: 34519 LACNIC Region origin ASes present in the Internet Routing Table: 2471 LACNIC Prefixes per ASN: 30.06 LACNIC Region origin ASes announcing only one prefix: 592 LACNIC Region transit ASes present in the Internet Routing Table: 547 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2217 Number of LACNIC addresses announced to Internet: 170578688 Equivalent to 10 /8s, 42 /16s and 211 /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: 14081 Total AfriNIC prefixes after maximum aggregation: 3166 AfriNIC Deaggregation factor: 4.45 Prefixes being announced from the AfriNIC address blocks: 15787 Unique aggregates announced from the AfriNIC address blocks: 6245 AfriNIC Region origin ASes present in the Internet Routing Table: 734 AfriNIC Prefixes per ASN: 21.51 AfriNIC Region origin ASes announcing only one prefix: 191 AfriNIC Region transit ASes present in the Internet Routing Table: 169 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: 75555584 Equivalent to 4 /8s, 128 /16s and 227 /24s Percentage of available AfriNIC address space announced: 75.1 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 5599 4192 76 China Education and Research 7545 3138 348 162 TPG Telecom Limited 4766 3115 11143 1094 Korea Telecom 17974 2855 914 96 PT Telekomunikasi Indonesia 9829 2316 1435 385 National Internet Backbone 4755 2077 432 234 TATA Communications formerly 9808 1763 8717 29 Guangdong Mobile Communicatio 4808 1620 2280 509 CNCGROUP IP network China169 9583 1515 121 560 Sify Limited 38197 1426 89 202 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 3297 2949 147 Cox Communications Inc. 3356 2601 10692 532 Level 3 Communications, Inc. 6389 2475 3687 42 BellSouth.net Inc. 18566 2209 394 277 MegaPath Corporation 20115 1906 1908 409 Charter Communications 6983 1696 849 238 EarthLink, Inc. 30036 1671 332 350 Mediacom Communications Corp 4323 1585 1021 395 tw telecom holdings, inc. 209 1470 4339 1233 Qwest Communications Company, 701 1389 11450 657 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 2342 924 1669 Akamai International B.V. 34984 1939 322 414 TELLCOM ILETISIM HIZMETLERI A 8551 1225 376 53 Bezeq International-Ltd 12479 1099 965 81 France Telecom Espana SA 8402 1084 544 15 OJSC "Vimpelcom" 13188 1077 97 78 TOV "Bank-Inform" 31148 1043 48 42 Freenet Ltd. 9198 974 352 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 3413 540 146 Telmex Colombia S.A. 8151 2176 3386 519 Uninet S.A. de C.V. 7303 1588 943 243 Telecom Argentina S.A. 11830 1434 366 25 Instituto Costarricense de El 6503 1399 437 56 Axtel, S.A.B. de C.V. 28573 1072 2171 156 NET Serviços de Comunicação S 6147 1036 376 34 Telefonica del Peru S.A.A. 7738 994 1882 41 Telemar Norte Leste S.A. 3816 984 460 182 COLOMBIA TELECOMUNICACIONES S 26615 937 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 1294 1472 15 TE-AS 24863 1176 403 36 Link Egypt (Link.NET) 37611 590 40 41 Afrihost-Brevis Computer Serv 36903 552 278 103 Office National des Postes et 36992 455 1237 34 ETISALAT MISR 37492 355 213 63 Orange Tunisie 24835 331 146 12 Vodafone Data 29571 265 21 11 Cote d'Ivoire Telecom 3741 221 837 183 Internet Solutions 36947 176 807 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 5599 4192 76 China Education and Research 10620 3413 540 146 Telmex Colombia S.A. 22773 3297 2949 147 Cox Communications Inc. 7545 3138 348 162 TPG Telecom Limited 4766 3115 11143 1094 Korea Telecom 17974 2855 914 96 PT Telekomunikasi Indonesia 3356 2601 10692 532 Level 3 Communications, Inc. 39891 2515 135 9 SaudiNet, Saudi Telecom Compa 6389 2475 3687 42 BellSouth.net Inc. 20940 2342 924 1669 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 3413 3267 Telmex Colombia S.A. 22773 3297 3150 Cox Communications Inc. 7545 3138 2976 TPG Telecom Limited 17974 2855 2759 PT Telekomunikasi Indonesia 39891 2515 2506 SaudiNet, Saudi Telecom Compa 6389 2475 2433 BellSouth.net Inc. 3356 2601 2069 Level 3 Communications, Inc. 4766 3115 2021 Korea Telecom 18566 2209 1932 MegaPath Corporation 9829 2316 1931 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 /10:36 /11:101 /12:265 /13:507 /14:1015 /15:1750 /16:12967 /17:7441 /18:12623 /19:25573 /20:37986 /21:40093 /22:64083 /23:55571 /24:318140 /25:543 /26:570 /27:391 /28:16 /29:16 /30:9 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2479 3297 Cox Communications Inc. 39891 2472 2515 SaudiNet, Saudi Telecom Compa 18566 2111 2209 MegaPath Corporation 6389 1542 2475 BellSouth.net Inc. 30036 1488 1671 Mediacom Communications Corp 6983 1342 1696 EarthLink, Inc. 10620 1295 3413 Telmex Colombia S.A. 34984 1228 1939 TELLCOM ILETISIM HIZMETLERI A 11492 1157 1249 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) ---------------------------------------------- 1:1616 2:673 4:101 5:2078 6:26 8:1432 12:1784 13:34 14:1621 15:22 16:2 17:58 18:19 20:48 22:1 23:1351 24:1749 27:2229 31:1718 32:54 33:2 34:4 35:5 36:210 37:2341 38:1132 39:23 40:81 41:3112 42:378 43:1686 44:38 45:1652 46:2396 47:67 49:1092 50:829 51:3 52:38 54:138 55:3 56:8 57:44 58:1473 59:846 60:533 61:1777 62:1438 63:1927 64:4464 65:2181 66:4085 67:2104 68:1101 69:3289 70:1044 71:462 72:1982 74:2540 75:359 76:422 77:1368 78:1276 79:807 80:1312 81:1355 82:859 83:673 84:788 85:1555 86:458 87:1043 88:548 89:1930 90:165 91:5981 92:872 93:2310 94:2261 95:2263 96:472 97:351 98:943 99:45 100:75 101:882 103:9473 104:2211 105:95 106:377 107:1122 108:648 109:2183 110:1265 111:1590 112:908 113:1221 114:1034 115:1588 116:1511 117:1383 118:2018 119:1538 120:508 121:1165 122:2281 123:2019 124:1584 125:1736 128:677 129:358 130:423 131:1288 132:597 133:171 134:452 135:118 136:345 137:323 138:1631 139:198 140:252 141:468 142:624 143:821 144:591 145:151 146:837 147:609 148:1413 149:453 150:640 151:811 152:588 153:268 154:521 155:914 156:456 157:423 158:344 159:1075 160:419 161:718 162:2251 163:530 164:720 165:1104 166:316 167:976 168:1373 169:579 170:1483 171:263 172:406 173:1598 174:712 175:830 176:1509 177:4005 178:2227 179:1073 180:2028 181:1643 182:1922 183:670 184:778 185:5479 186:3045 187:1926 188:2129 189:1744 190:7585 191:1286 192:8829 193:5732 194:4327 195:3717 196:1601 197:1229 198:5504 199:5551 200:6812 201:3680 202:9966 203:9360 204:4582 205:2722 206:2976 207:3026 208:4018 209:3966 210:3777 211:2008 212:2621 213:2141 214:808 215:73 216:5693 217:1901 218:744 219:558 220:1643 221:848 222:671 223:914 End of report