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 30 May, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 546078 Prefixes after maximum aggregation (per Origin AS): 207732 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 266391 Total ASes present in the Internet Routing Table: 50461 Prefixes per ASN: 10.82 Origin-only ASes present in the Internet Routing Table: 36679 Origin ASes announcing only one prefix: 16300 Transit ASes present in the Internet Routing Table: 6313 Transit-only ASes present in the Internet Routing Table: 165 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 41 Max AS path prepend of ASN ( 12486) 32 Prefixes from unregistered ASNs in the Routing Table: 1137 Unregistered ASNs in the Routing Table: 421 Number of 32-bit ASNs allocated by the RIRs: 9645 Number of 32-bit ASNs visible in the Routing Table: 7469 Prefixes from 32-bit ASNs in the Routing Table: 27217 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 352 Number of addresses announced to Internet: 2759984352 Equivalent to 164 /8s, 130 /16s and 4 /24s Percentage of available address space announced: 74.5 Percentage of allocated address space announced: 74.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.4 Total number of prefixes smaller than registry allocations: 182950 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 135191 Total APNIC prefixes after maximum aggregation: 39171 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 141541 Unique aggregates announced from the APNIC address blocks: 57260 APNIC Region origin ASes present in the Internet Routing Table: 5059 APNIC Prefixes per ASN: 27.98 APNIC Region origin ASes announcing only one prefix: 1212 APNIC Region transit ASes present in the Internet Routing Table: 884 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1459 Number of APNIC addresses announced to Internet: 749217216 Equivalent to 44 /8s, 168 /16s and 37 /24s Percentage of available APNIC address space announced: 87.6 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: 179304 Total ARIN prefixes after maximum aggregation: 88173 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 181952 Unique aggregates announced from the ARIN address blocks: 84936 ARIN Region origin ASes present in the Internet Routing Table: 16622 ARIN Prefixes per ASN: 10.95 ARIN Region origin ASes announcing only one prefix: 6124 ARIN Region transit ASes present in the Internet Routing Table: 1732 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 460 Number of ARIN addresses announced to Internet: 1081496864 Equivalent to 64 /8s, 118 /16s and 85 /24s Percentage of available ARIN address space announced: 57.2 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: 132389 Total RIPE prefixes after maximum aggregation: 65992 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 138863 Unique aggregates announced from the RIPE address blocks: 86068 RIPE Region origin ASes present in the Internet Routing Table: 17948 RIPE Prefixes per ASN: 7.74 RIPE Region origin ASes announcing only one prefix: 8141 RIPE Region transit ASes present in the Internet Routing Table: 2958 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3739 Number of RIPE addresses announced to Internet: 694821120 Equivalent to 41 /8s, 106 /16s and 33 /24s Percentage of available RIPE address space announced: 101.0 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, 196608-202239 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: 59819 Total LACNIC prefixes after maximum aggregation: 11304 LACNIC Deaggregation factor: 5.29 Prefixes being announced from the LACNIC address blocks: 70075 Unique aggregates announced from the LACNIC address blocks: 32630 LACNIC Region origin ASes present in the Internet Routing Table: 2439 LACNIC Prefixes per ASN: 28.73 LACNIC Region origin ASes announcing only one prefix: 626 LACNIC Region transit ASes present in the Internet Routing Table: 504 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: 1696 Number of LACNIC addresses announced to Internet: 168456448 Equivalent to 10 /8s, 10 /16s and 113 /24s Percentage of available LACNIC address space announced: 100.4 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: 11982 Total AfriNIC prefixes after maximum aggregation: 3048 AfriNIC Deaggregation factor: 3.93 Prefixes being announced from the AfriNIC address blocks: 13295 Unique aggregates announced from the AfriNIC address blocks: 5178 AfriNIC Region origin ASes present in the Internet Routing Table: 729 AfriNIC Prefixes per ASN: 18.24 AfriNIC Region origin ASes announcing only one prefix: 197 AfriNIC Region transit ASes present in the Internet Routing Table: 157 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 115 Number of AfriNIC addresses announced to Internet: 65687040 Equivalent to 3 /8s, 234 /16s and 78 /24s Percentage of available AfriNIC address space announced: 65.3 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 2928 11557 914 Korea Telecom 17974 2689 904 81 PT Telekomunikasi Indonesia 7545 2431 336 131 TPG Telecom Limited 4755 2026 423 219 TATA Communications formerly 4538 1937 4190 72 China Education and Research 9808 1686 8717 28 Guangdong Mobile Communicatio 9829 1669 1332 62 National Internet Backbone 4808 1469 2249 467 CNCGROUP IP network China169 9583 1449 120 588 Sify Limited 9498 1330 335 101 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 3045 2958 141 Cox Communications Inc. 6389 2796 3688 51 BellSouth.net Inc. 3356 2569 10687 495 Level 3 Communications, Inc. 18566 2047 379 189 MegaPath Corporation 20115 1878 1849 423 Charter Communications 6983 1749 866 245 EarthLink, Inc. 4323 1606 1022 410 tw telecom holdings, inc. 30036 1543 314 474 Mediacom Communications Corp 701 1390 11322 679 MCI Communications Services, 22561 1361 414 250 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 2473 132 7 SaudiNet, Saudi Telecom Compa 34984 2028 305 356 TELLCOM ILETISIM HIZMETLERI A 20940 1920 753 1407 Akamai International B.V. 6849 1213 356 24 JSC "Ukrtelecom" 8402 1095 544 15 OJSC "Vimpelcom" 31148 1049 45 23 Freenet Ltd. 13188 1040 97 70 TOV "Bank-Inform" 12479 944 868 72 France Telecom Espana SA 6830 906 2693 466 Liberty Global Operations B.V 8551 873 376 52 Bezeq International-Ltd 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 3237 530 203 Telmex Colombia S.A. 28573 2287 2181 117 NET Serviços de Comunicação S 8151 1670 3255 468 Uninet S.A. de C.V. 7303 1667 1046 239 Telecom Argentina S.A. 6147 1632 374 30 Telefonica del Peru S.A.A. 6503 1248 421 55 Axtel, S.A.B. de C.V. 26615 1074 2325 35 Tim Celular S.A. 7738 999 1882 41 Telemar Norte Leste S.A. 3816 928 424 158 COLOMBIA TELECOMUNICACIONES S 18881 869 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 24863 895 280 37 Link Egypt (Link.NET) 8452 840 958 13 TE-AS 36903 504 254 98 Office National des Postes et 36992 423 1229 32 ETISALAT MISR 37492 312 175 71 Orange Tunisie 24835 304 146 13 Vodafone Data 3741 250 857 208 Internet Solutions 29571 242 21 12 Cote d'Ivoire Telecom 37054 199 19 6 Data Telecom Service 36947 190 807 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 3237 530 203 Telmex Colombia S.A. 22773 3045 2958 141 Cox Communications Inc. 4766 2928 11557 914 Korea Telecom 6389 2796 3688 51 BellSouth.net Inc. 17974 2689 904 81 PT Telekomunikasi Indonesia 3356 2569 10687 495 Level 3 Communications, Inc. 39891 2473 132 7 SaudiNet, Saudi Telecom Compa 7545 2431 336 131 TPG Telecom Limited 28573 2287 2181 117 NET Serviços de Comunicação S 18566 2047 379 189 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 3045 2904 Cox Communications Inc. 6389 2796 2745 BellSouth.net Inc. 17974 2689 2608 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 7545 2431 2300 TPG Telecom Limited 28573 2287 2170 NET Serviços de Comunicação S 3356 2569 2074 Level 3 Communications, Inc. 4766 2928 2014 Korea Telecom 4538 1937 1865 China Education and Research 18566 2047 1858 MegaPath Corporation 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 23.226.112.0/20 62788 >>UNKNOWN<< 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 37004 >>UNKNOWN<< 41.73.13.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 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 /9:12 /10:34 /11:94 /12:264 /13:505 /14:1004 /15:1723 /16:12946 /17:7273 /18:12308 /19:25529 /20:36115 /21:38831 /22:59781 /23:51923 /24:294708 /25:1104 /26:1140 /27:721 /28:14 /29:12 /30:7 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2473 SaudiNet, Saudi Telecom Compa 22773 2252 3045 Cox Communications Inc. 18566 1999 2047 MegaPath Corporation 6389 1639 2796 BellSouth.net Inc. 6983 1396 1749 EarthLink, Inc. 30036 1379 1543 Mediacom Communications Corp 34984 1322 2028 TELLCOM ILETISIM HIZMETLERI A 6147 1183 1632 Telefonica del Peru S.A.A. 10620 1136 3237 Telmex Colombia S.A. 11492 1111 1192 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1486 2:680 4:93 5:1813 6:25 8:1416 11:1 12:1832 13:10 14:1261 15:17 16:2 17:43 18:22 20:48 23:1233 24:1706 27:1908 31:1598 32:38 33:2 34:4 35:3 36:115 37:1921 38:1032 39:6 40:251 41:2666 42:278 43:1296 44:25 45:654 46:2194 47:42 49:877 50:809 52:12 54:73 55:5 56:8 57:40 58:1290 59:714 60:477 61:1751 62:1329 63:1917 64:4421 65:2274 66:4083 67:2059 68:1061 69:3272 70:980 71:446 72:1980 74:2647 75:335 76:422 77:1392 78:1241 79:805 80:1339 81:1302 82:812 83:699 84:723 85:1404 86:392 87:1040 88:520 89:1840 90:151 91:5966 92:847 93:2212 94:2075 95:2181 96:430 97:354 98:1051 99:49 100:69 101:831 103:7463 104:1779 105:61 106:225 107:978 108:626 109:2054 110:1103 111:1480 112:814 113:1082 114:827 115:1286 116:1374 117:1066 118:1795 119:1434 120:442 121:1086 122:2144 123:1828 124:1506 125:1592 128:648 129:383 130:402 131:1183 132:498 133:178 134:411 135:108 136:329 137:309 138:776 139:151 140:237 141:447 142:661 143:508 144:571 145:116 146:728 147:592 148:1130 149:406 150:561 151:606 152:486 153:244 154:488 155:864 156:408 157:463 158:339 159:1011 160:381 161:660 162:1948 163:426 164:675 165:691 166:307 167:836 168:1294 169:172 170:1464 171:244 172:67 173:1545 174:715 175:695 176:1312 177:3706 178:2143 179:919 180:1936 181:1687 182:1784 183:655 184:755 185:3572 186:2660 187:1746 188:2044 189:1577 190:7691 191:1015 192:8369 193:5599 194:4148 195:3654 196:1471 197:962 198:5530 199:5520 200:6646 201:3106 202:9490 203:9140 204:4677 205:2823 206:3081 207:2946 208:3961 209:3964 210:3512 211:1852 212:2552 213:2334 214:863 215:73 216:5730 217:1820 218:695 219:460 220:1433 221:785 222:468 223:707 End of report