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 23 May, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 545745 Prefixes after maximum aggregation (per Origin AS): 207464 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 265833 Total ASes present in the Internet Routing Table: 50422 Prefixes per ASN: 10.82 Origin-only ASes present in the Internet Routing Table: 36678 Origin ASes announcing only one prefix: 16311 Transit ASes present in the Internet Routing Table: 6326 Transit-only ASes present in the Internet Routing Table: 169 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 44 Max AS path prepend of ASN ( 55944) 41 Prefixes from unregistered ASNs in the Routing Table: 1167 Unregistered ASNs in the Routing Table: 430 Number of 32-bit ASNs allocated by the RIRs: 9576 Number of 32-bit ASNs visible in the Routing Table: 7418 Prefixes from 32-bit ASNs in the Routing Table: 27111 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 360 Number of addresses announced to Internet: 2758760032 Equivalent to 164 /8s, 111 /16s and 86 /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: 183202 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 134788 Total APNIC prefixes after maximum aggregation: 39117 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 141106 Unique aggregates announced from the APNIC address blocks: 57125 APNIC Region origin ASes present in the Internet Routing Table: 5051 APNIC Prefixes per ASN: 27.94 APNIC Region origin ASes announcing only one prefix: 1215 APNIC Region transit ASes present in the Internet Routing Table: 883 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1447 Number of APNIC addresses announced to Internet: 749167808 Equivalent to 44 /8s, 167 /16s and 100 /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: 178915 Total ARIN prefixes after maximum aggregation: 88005 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 181537 Unique aggregates announced from the ARIN address blocks: 84594 ARIN Region origin ASes present in the Internet Routing Table: 16615 ARIN Prefixes per ASN: 10.93 ARIN Region origin ASes announcing only one prefix: 6120 ARIN Region transit ASes present in the Internet Routing Table: 1726 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 449 Number of ARIN addresses announced to Internet: 1080959776 Equivalent to 64 /8s, 110 /16s and 35 /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: 131982 Total RIPE prefixes after maximum aggregation: 65942 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 138374 Unique aggregates announced from the RIPE address blocks: 85912 RIPE Region origin ASes present in the Internet Routing Table: 17965 RIPE Prefixes per ASN: 7.70 RIPE Region origin ASes announcing only one prefix: 8156 RIPE Region transit ASes present in the Internet Routing Table: 2974 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: 3719 Number of RIPE addresses announced to Internet: 695003136 Equivalent to 41 /8s, 108 /16s and 232 /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: 59849 Total LACNIC prefixes after maximum aggregation: 11318 LACNIC Deaggregation factor: 5.29 Prefixes being announced from the LACNIC address blocks: 70228 Unique aggregates announced from the LACNIC address blocks: 32685 LACNIC Region origin ASes present in the Internet Routing Table: 2439 LACNIC Prefixes per ASN: 28.79 LACNIC Region origin ASes announcing only one prefix: 625 LACNIC Region transit ASes present in the Internet Routing Table: 501 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: 1691 Number of LACNIC addresses announced to Internet: 168155264 Equivalent to 10 /8s, 5 /16s and 216 /24s Percentage of available LACNIC address space announced: 100.2 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: 12925 Total AfriNIC prefixes after maximum aggregation: 3037 AfriNIC Deaggregation factor: 4.26 Prefixes being announced from the AfriNIC address blocks: 14140 Unique aggregates announced from the AfriNIC address blocks: 5190 AfriNIC Region origin ASes present in the Internet Routing Table: 734 AfriNIC Prefixes per ASN: 19.26 AfriNIC Region origin ASes announcing only one prefix: 195 AfriNIC Region transit ASes present in the Internet Routing Table: 159 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 112 Number of AfriNIC addresses announced to Internet: 65171456 Equivalent to 3 /8s, 226 /16s and 112 /24s Percentage of available AfriNIC address space announced: 64.7 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 2926 11557 913 Korea Telecom 17974 2770 904 81 PT Telekomunikasi Indonesia 7545 2424 336 130 TPG Telecom Limited 4755 2022 423 219 TATA Communications formerly 4538 1937 4190 72 China Education and Research 9829 1636 1326 39 National Internet Backbone 9808 1572 8717 28 Guangdong Mobile Communicatio 4808 1470 2250 468 CNCGROUP IP network China169 9583 1449 120 588 Sify Limited 9498 1329 335 100 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 3038 2958 141 Cox Communications Inc. 6389 2797 3688 51 BellSouth.net Inc. 3356 2569 10686 492 Level 3 Communications, Inc. 18566 2042 379 185 MegaPath Corporation 20115 1881 1851 422 Charter Communications 6983 1749 866 245 EarthLink, Inc. 4323 1607 1022 410 tw telecom holdings, inc. 30036 1528 311 487 Mediacom Communications Corp 701 1391 11322 680 MCI Communications Services, 22561 1359 413 249 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 2019 305 356 TELLCOM ILETISIM HIZMETLERI A 20940 1888 738 1380 Akamai International B.V. 6849 1053 356 24 JSC "Ukrtelecom" 8402 1050 544 15 OJSC "Vimpelcom" 31148 1049 45 23 Freenet Ltd. 13188 1041 97 70 TOV "Bank-Inform" 12479 938 868 72 France Telecom Espana SA 6830 908 2693 467 Liberty Global Operations B.V 8551 886 373 48 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 3232 529 188 Telmex Colombia S.A. 28573 2300 2168 130 NET Serviços de Comunicação S 7303 1662 1045 243 Telecom Argentina S.A. 8151 1649 3253 470 Uninet S.A. de C.V. 6147 1639 374 30 Telefonica del Peru S.A.A. 6503 1250 421 54 Axtel, S.A.B. de C.V. 26615 1073 2325 35 Tim Celular S.A. 7738 999 1882 41 Telemar Norte Leste S.A. 3816 923 423 157 COLOMBIA TELECOMUNICACIONES S 18881 868 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 8452 1699 958 13 TE-AS 24863 899 280 26 Link Egypt (Link.NET) 36903 504 254 98 Office National des Postes et 36992 423 1229 32 ETISALAT MISR 24835 304 146 13 Vodafone Data 37492 303 171 72 Orange Tunisie 3741 250 857 208 Internet Solutions 29571 242 21 12 Cote d'Ivoire Telecom 37054 211 19 6 Data Telecom Service 36947 192 807 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 3232 529 188 Telmex Colombia S.A. 22773 3038 2958 141 Cox Communications Inc. 4766 2926 11557 913 Korea Telecom 6389 2797 3688 51 BellSouth.net Inc. 17974 2770 904 81 PT Telekomunikasi Indonesia 3356 2569 10686 492 Level 3 Communications, Inc. 39891 2473 132 7 SaudiNet, Saudi Telecom Compa 7545 2424 336 130 TPG Telecom Limited 28573 2300 2168 130 NET Serviços de Comunicação S 18566 2042 379 185 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 3038 2897 Cox Communications Inc. 6389 2797 2746 BellSouth.net Inc. 17974 2770 2689 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 7545 2424 2294 TPG Telecom Limited 28573 2300 2170 NET Serviços de Comunicação S 3356 2569 2077 Level 3 Communications, Inc. 4766 2926 2013 Korea Telecom 4538 1937 1865 China Education and Research 18566 2042 1857 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 6919 UNALLOCATED 8.29.165.0/24 3356 Level 3 Communicatio 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 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 /13:504 /14:1007 /15:1717 /16:12934 /17:7264 /18:12390 /19:25575 /20:36070 /21:38780 /22:59524 /23:51748 /24:294809 /25:1102 /26:1137 /27:717 /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 2247 3038 Cox Communications Inc. 18566 1996 2042 MegaPath Corporation 6389 1640 2797 BellSouth.net Inc. 6983 1396 1749 EarthLink, Inc. 30036 1366 1528 Mediacom Communications Corp 34984 1317 2019 TELLCOM ILETISIM HIZMETLERI A 6147 1190 1639 Telefonica del Peru S.A.A. 10620 1136 3232 Telmex Colombia S.A. 11492 1107 1188 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1487 2:681 4:93 5:1814 6:24 8:1415 11:1 12:1828 13:10 14:1262 15:17 16:2 17:43 18:22 20:48 23:1228 24:1704 27:1882 31:1585 32:38 33:2 34:4 35:3 36:117 37:1916 38:1031 39:6 40:252 41:3047 42:286 43:1279 44:25 45:636 46:2190 47:42 49:826 50:806 52:12 54:73 55:7 56:8 57:39 58:1285 59:713 60:477 61:1744 62:1328 63:1915 64:4408 65:2251 66:4064 67:2063 68:1057 69:3268 70:979 71:448 72:1975 74:2651 75:333 76:424 77:1415 78:1180 79:803 80:1340 81:1337 82:814 83:693 84:718 85:1386 86:393 87:1043 88:515 89:1834 90:151 91:5963 92:851 93:2224 94:2007 95:2140 96:430 97:353 98:1051 99:49 100:69 101:822 103:7414 104:1781 105:62 106:225 107:968 108:628 109:2053 110:1100 111:1490 112:794 113:1081 114:818 115:1263 116:1344 117:1064 118:1816 119:1438 120:439 121:1086 122:2146 123:1821 124:1507 125:1586 128:648 129:384 130:401 131:1178 132:498 133:179 134:413 135:108 136:323 137:309 138:748 139:152 140:238 141:444 142:672 143:502 144:569 145:115 146:712 147:582 148:1120 149:403 150:564 151:603 152:487 153:244 154:478 155:858 156:408 157:463 158:317 159:1006 160:380 161:660 162:1938 163:424 164:674 165:692 166:300 167:834 168:1290 169:169 170:1461 171:246 172:49 173:1538 174:714 175:695 176:1312 177:3723 178:2157 179:976 180:1950 181:1691 182:1775 183:618 184:757 185:3529 186:2679 187:1769 188:2049 189:1591 190:7724 191:998 192:8347 193:5606 194:4138 195:3647 196:1670 197:1153 198:5538 199:5516 200:6646 201:3094 202:9459 203:9126 204:4673 205:2832 206:3084 207:2944 208:3965 209:3963 210:3520 211:1849 212:2565 213:2340 214:862 215:73 216:5668 217:1825 218:697 219:461 220:1428 221:785 222:476 223:692 End of report