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 22 Aug, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 556550 Prefixes after maximum aggregation (per Origin AS): 210045 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 272089 Total ASes present in the Internet Routing Table: 51223 Prefixes per ASN: 10.87 Origin-only ASes present in the Internet Routing Table: 36684 Origin ASes announcing only one prefix: 16128 Transit ASes present in the Internet Routing Table: 6359 Transit-only ASes present in the Internet Routing Table: 174 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: 1142 Unregistered ASNs in the Routing Table: 420 Number of 32-bit ASNs allocated by the RIRs: 10687 Number of 32-bit ASNs visible in the Routing Table: 8180 Prefixes from 32-bit ASNs in the Routing Table: 30489 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 416 Number of addresses announced to Internet: 2792259968 Equivalent to 166 /8s, 110 /16s and 129 /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: 185938 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 137303 Total APNIC prefixes after maximum aggregation: 39854 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 144551 Unique aggregates announced from the APNIC address blocks: 59281 APNIC Region origin ASes present in the Internet Routing Table: 5084 APNIC Prefixes per ASN: 28.43 APNIC Region origin ASes announcing only one prefix: 1193 APNIC Region transit ASes present in the Internet Routing Table: 890 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: 1608 Number of APNIC addresses announced to Internet: 752434240 Equivalent to 44 /8s, 217 /16s and 60 /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: 180661 Total ARIN prefixes after maximum aggregation: 88267 ARIN Deaggregation factor: 2.05 Prefixes being announced from the ARIN address blocks: 183496 Unique aggregates announced from the ARIN address blocks: 85781 ARIN Region origin ASes present in the Internet Routing Table: 16583 ARIN Prefixes per ASN: 11.07 ARIN Region origin ASes announcing only one prefix: 6064 ARIN Region transit ASes present in the Internet Routing Table: 1738 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: 612 Number of ARIN addresses announced to Internet: 1102384576 Equivalent to 65 /8s, 181 /16s and 13 /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: 134734 Total RIPE prefixes after maximum aggregation: 67259 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 141525 Unique aggregates announced from the RIPE address blocks: 87898 RIPE Region origin ASes present in the Internet Routing Table: 17969 RIPE Prefixes per ASN: 7.88 RIPE Region origin ASes announcing only one prefix: 8059 RIPE Region transit ASes present in the Internet Routing Table: 2972 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3956 Number of RIPE addresses announced to Internet: 699011712 Equivalent to 41 /8s, 170 /16s and 18 /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: 60890 Total LACNIC prefixes after maximum aggregation: 11553 LACNIC Deaggregation factor: 5.27 Prefixes being announced from the LACNIC address blocks: 72356 Unique aggregates announced from the LACNIC address blocks: 33469 LACNIC Region origin ASes present in the Internet Routing Table: 2462 LACNIC Prefixes per ASN: 29.39 LACNIC Region origin ASes announcing only one prefix: 614 LACNIC Region transit ASes present in the Internet Routing Table: 517 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: 1858 Number of LACNIC addresses announced to Internet: 168859904 Equivalent to 10 /8s, 16 /16s and 153 /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: 12280 Total AfriNIC prefixes after maximum aggregation: 3064 AfriNIC Deaggregation factor: 4.01 Prefixes being announced from the AfriNIC address blocks: 14206 Unique aggregates announced from the AfriNIC address blocks: 5305 AfriNIC Region origin ASes present in the Internet Routing Table: 739 AfriNIC Prefixes per ASN: 19.22 AfriNIC Region origin ASes announcing only one prefix: 198 AfriNIC Region transit ASes present in the Internet Routing Table: 162 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 146 Number of AfriNIC addresses announced to Internet: 69149696 Equivalent to 4 /8s, 31 /16s and 36 /24s Percentage of available AfriNIC address space announced: 68.7 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 3013 11302 990 Korea Telecom 7545 2752 339 134 TPG Telecom Limited 17974 2707 904 80 PT Telekomunikasi Indonesia 4755 2036 426 224 TATA Communications formerly 4538 1949 4190 71 China Education and Research 9829 1866 1372 196 National Internet Backbone 9808 1583 8635 17 Guangdong Mobile Communicatio 9583 1528 121 571 Sify Limited 4808 1525 2253 473 CNCGROUP IP network China169 9498 1379 335 110 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 3161 2960 137 Cox Communications Inc. 6389 2702 3688 51 BellSouth.net Inc. 3356 2566 10710 515 Level 3 Communications, Inc. 18566 2147 390 255 MegaPath Corporation 20115 1876 1855 397 Charter Communications 6983 1738 851 243 EarthLink, Inc. 4323 1589 1005 411 tw telecom holdings, inc. 30036 1574 319 455 Mediacom Communications Corp 701 1406 11393 686 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 2075 817 1507 Akamai International B.V. 34984 2011 306 379 TELLCOM ILETISIM HIZMETLERI A 6849 1207 355 21 JSC "Ukrtelecom" 13188 1068 97 77 TOV "Bank-Inform" 31148 1055 46 24 Freenet Ltd. 8551 997 376 52 Bezeq International-Ltd 8402 993 544 15 OJSC "Vimpelcom" 12479 981 933 77 France Telecom Espana SA 6830 916 2680 469 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 3337 537 159 Telmex Colombia S.A. 28573 2283 2170 126 NET Serviços de Comunicação S 8151 1684 3263 477 Uninet S.A. de C.V. 7303 1566 931 238 Telecom Argentina S.A. 6147 1444 374 30 Telefonica del Peru S.A.A. 6503 1253 421 55 Axtel, S.A.B. de C.V. 26615 1104 2325 35 Tim Celular S.A. 7738 996 1882 41 Telemar Norte Leste S.A. 3816 953 436 163 COLOMBIA TELECOMUNICACIONES S 11830 920 364 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 909 280 26 Link Egypt (Link.NET) 8452 873 1470 14 TE-AS 36903 512 258 99 Office National des Postes et 36992 442 1229 32 ETISALAT MISR 37492 315 191 72 Orange Tunisie 24835 308 146 12 Vodafone Data 3741 252 857 208 Internet Solutions 29571 247 21 13 Cote d'Ivoire Telecom 37054 210 20 7 Data Telecom Service 36947 185 807 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 3337 537 159 Telmex Colombia S.A. 22773 3161 2960 137 Cox Communications Inc. 4766 3013 11302 990 Korea Telecom 7545 2752 339 134 TPG Telecom Limited 17974 2707 904 80 PT Telekomunikasi Indonesia 6389 2702 3688 51 BellSouth.net Inc. 3356 2566 10710 515 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2283 2170 126 NET Serviços de Comunicação S 18566 2147 390 255 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 3161 3024 Cox Communications Inc. 6389 2702 2651 BellSouth.net Inc. 17974 2707 2627 PT Telekomunikasi Indonesia 7545 2752 2618 TPG Telecom Limited 39891 2472 2466 SaudiNet, Saudi Telecom Compa 28573 2283 2157 NET Serviços de Comunicação S 3356 2566 2051 Level 3 Communications, Inc. 4766 3013 2023 Korea Telecom 18566 2147 1892 MegaPath Corporation 4538 1949 1878 China Education and Research 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 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 36.50.0.0/16 23456 32bit Transition AS 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 /8:17 /9:13 /10:36 /11:96 /12:263 /13:504 /14:1003 /15:1732 /16:12892 /17:7238 /18:12394 /19:25483 /20:35986 /21:38793 /22:61151 /23:53159 /24:302722 /25:1134 /26:1160 /27:715 /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 2378 3161 Cox Communications Inc. 18566 2062 2147 MegaPath Corporation 6389 1608 2702 BellSouth.net Inc. 30036 1395 1574 Mediacom Communications Corp 6983 1385 1738 EarthLink, Inc. 34984 1331 2011 TELLCOM ILETISIM HIZMETLERI A 10620 1210 3337 Telmex Colombia S.A. 11492 1112 1195 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 2:690 4:97 5:1870 6:25 8:1393 12:1805 13:14 14:1405 15:16 16:2 17:43 18:22 20:49 23:1315 24:1739 27:2041 31:1583 32:37 33:2 34:4 35:3 36:164 37:2017 38:1037 39:14 40:70 41:2750 42:310 43:1463 44:30 45:1031 46:2381 47:53 49:932 50:787 52:19 54:84 55:7 56:27 57:42 58:1355 59:720 60:481 61:1755 62:1368 63:1900 64:4434 65:2254 66:4024 67:2062 68:1066 69:3221 70:1034 71:449 72:1973 74:2596 75:352 76:393 77:1309 78:1153 79:813 80:1345 81:1346 82:870 83:720 84:781 85:1389 86:451 87:1036 88:539 89:1946 90:149 91:5941 92:842 93:2275 94:2082 95:2192 96:414 97:347 98:980 99:55 100:75 101:845 103:8086 104:2020 105:72 106:348 107:1064 108:621 109:2131 110:1198 111:1462 112:817 113:1103 114:856 115:1298 116:1468 117:1080 118:1894 119:1467 120:457 121:1089 122:2163 123:1841 124:1528 125:1623 128:666 129:395 130:431 131:1250 132:522 133:171 134:409 135:103 136:338 137:312 138:1120 139:144 140:243 141:491 142:669 143:545 144:546 145:126 146:800 147:587 148:1260 149:429 150:553 151:801 152:528 153:253 154:496 155:874 156:423 157:424 158:344 159:1031 160:411 161:680 162:2026 163:457 164:693 165:708 166:299 167:856 168:1253 169:190 170:1474 171:255 172:248 173:1501 174:719 175:699 176:1428 177:3934 178:2183 179:991 180:1939 181:1666 182:1798 183:636 184:746 185:4109 186:2917 187:1811 188:2071 189:1607 190:7829 191:1152 192:8640 193:5661 194:4228 195:3650 196:1984 197:1051 198:5630 199:5508 200:6688 201:3302 202:9518 203:9158 204:4681 205:2881 206:3022 207:2984 208:4011 209:3920 210:3599 211:1919 212:2536 213:2307 214:861 215:75 216:5730 217:1825 218:733 219:466 220:1553 221:810 222:474 223:816 End of report