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 16 May, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 544597 Prefixes after maximum aggregation (per Origin AS): 207309 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 265266 Total ASes present in the Internet Routing Table: 50345 Prefixes per ASN: 10.82 Origin-only ASes present in the Internet Routing Table: 36669 Origin ASes announcing only one prefix: 16315 Transit ASes present in the Internet Routing Table: 6314 Transit-only ASes present in the Internet Routing Table: 171 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: 1137 Unregistered ASNs in the Routing Table: 404 Number of 32-bit ASNs allocated by the RIRs: 9483 Number of 32-bit ASNs visible in the Routing Table: 7362 Prefixes from 32-bit ASNs in the Routing Table: 26788 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 381 Number of addresses announced to Internet: 2756729056 Equivalent to 164 /8s, 80 /16s and 88 /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: 97.3 Total number of prefixes smaller than registry allocations: 183001 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 134278 Total APNIC prefixes after maximum aggregation: 39134 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 140442 Unique aggregates announced from the APNIC address blocks: 57068 APNIC Region origin ASes present in the Internet Routing Table: 5046 APNIC Prefixes per ASN: 27.83 APNIC Region origin ASes announcing only one prefix: 1213 APNIC Region transit ASes present in the Internet Routing Table: 881 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1436 Number of APNIC addresses announced to Internet: 748187328 Equivalent to 44 /8s, 152 /16s and 110 /24s Percentage of available APNIC address space announced: 87.4 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: 178798 Total ARIN prefixes after maximum aggregation: 87957 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 181364 Unique aggregates announced from the ARIN address blocks: 84503 ARIN Region origin ASes present in the Internet Routing Table: 16600 ARIN Prefixes per ASN: 10.93 ARIN Region origin ASes announcing only one prefix: 6118 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: 441 Number of ARIN addresses announced to Internet: 1080161056 Equivalent to 64 /8s, 97 /16s and 243 /24s Percentage of available ARIN address space announced: 57.1 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: 132181 Total RIPE prefixes after maximum aggregation: 65857 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 138555 Unique aggregates announced from the RIPE address blocks: 85570 RIPE Region origin ASes present in the Internet Routing Table: 17964 RIPE Prefixes per ASN: 7.71 RIPE Region origin ASes announcing only one prefix: 8157 RIPE Region transit ASes present in the Internet Routing Table: 2964 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: 3695 Number of RIPE addresses announced to Internet: 694796544 Equivalent to 41 /8s, 105 /16s and 193 /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: 59651 Total LACNIC prefixes after maximum aggregation: 11273 LACNIC Deaggregation factor: 5.29 Prefixes being announced from the LACNIC address blocks: 69921 Unique aggregates announced from the LACNIC address blocks: 32620 LACNIC Region origin ASes present in the Internet Routing Table: 2438 LACNIC Prefixes per ASN: 28.68 LACNIC Region origin ASes announcing only one prefix: 628 LACNIC Region transit ASes present in the Internet Routing Table: 500 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: 1677 Number of LACNIC addresses announced to Internet: 168058368 Equivalent to 10 /8s, 4 /16s and 94 /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: 12727 Total AfriNIC prefixes after maximum aggregation: 3044 AfriNIC Deaggregation factor: 4.18 Prefixes being announced from the AfriNIC address blocks: 13934 Unique aggregates announced from the AfriNIC address blocks: 5177 AfriNIC Region origin ASes present in the Internet Routing Table: 734 AfriNIC Prefixes per ASN: 18.98 AfriNIC Region origin ASes announcing only one prefix: 199 AfriNIC Region transit ASes present in the Internet Routing Table: 162 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 113 Number of AfriNIC addresses announced to Internet: 65147392 Equivalent to 3 /8s, 226 /16s and 18 /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 2928 11557 913 Korea Telecom 17974 2770 904 81 PT Telekomunikasi Indonesia 7545 2588 336 130 TPG Telecom Limited 4755 2019 423 218 TATA Communications formerly 4538 1935 4190 72 China Education and Research 9829 1656 1326 39 National Internet Backbone 9808 1574 8717 28 Guangdong Mobile Communicatio 4808 1427 2241 453 CNCGROUP IP network China169 9583 1417 118 578 Sify Limited 9498 1337 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 3031 2955 140 Cox Communications Inc. 6389 2798 3688 51 BellSouth.net Inc. 3356 2568 10686 493 Level 3 Communications, Inc. 18566 2042 379 185 MegaPath Corporation 20115 1880 1850 430 Charter Communications 6983 1750 866 246 EarthLink, Inc. 4323 1610 1022 410 tw telecom holdings, inc. 30036 1536 314 486 Mediacom Communications Corp 701 1391 11290 680 MCI Communications Services, 22561 1358 413 248 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 1987 304 353 TELLCOM ILETISIM HIZMETLERI A 20940 1859 726 1364 Akamai International B.V. 6849 1213 356 24 JSC "Ukrtelecom" 8402 1051 544 15 OJSC "Vimpelcom" 31148 1047 45 27 Freenet Ltd. 13188 1040 97 70 TOV "Bank-Inform" 12479 927 867 76 France Telecom Espana SA 6830 907 2693 466 Liberty Global Operations B.V 8551 885 373 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 3222 526 191 Telmex Colombia S.A. 28573 2302 2169 117 NET Serviços de Comunicação S 7303 1662 1045 243 Telecom Argentina S.A. 6147 1632 374 30 Telefonica del Peru S.A.A. 8151 1629 3235 465 Uninet S.A. de C.V. 6503 1250 421 54 Axtel, S.A.B. de C.V. 26615 1052 2325 35 Tim Celular S.A. 7738 999 1882 41 Telemar Norte Leste S.A. 3816 921 422 155 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 8452 1632 958 13 TE-AS 24863 900 280 26 Link Egypt (Link.NET) 36903 504 254 98 Office National des Postes et 36992 419 1229 32 ETISALAT MISR 37492 303 171 72 Orange Tunisie 24835 301 146 13 Vodafone Data 3741 250 857 208 Internet Solutions 29571 241 21 12 Cote d'Ivoire Telecom 36947 202 807 13 Telecom Algeria 37054 200 19 6 Data Telecom Service 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 3222 526 191 Telmex Colombia S.A. 22773 3031 2955 140 Cox Communications Inc. 4766 2928 11557 913 Korea Telecom 6389 2798 3688 51 BellSouth.net Inc. 17974 2770 904 81 PT Telekomunikasi Indonesia 7545 2588 336 130 TPG Telecom Limited 3356 2568 10686 493 Level 3 Communications, Inc. 39891 2473 132 7 SaudiNet, Saudi Telecom Compa 28573 2302 2169 117 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 3031 2891 Cox Communications Inc. 6389 2798 2747 BellSouth.net Inc. 17974 2770 2689 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 7545 2588 2458 TPG Telecom Limited 28573 2302 2185 NET Serviços de Comunicação S 3356 2568 2075 Level 3 Communications, Inc. 4766 2928 2015 Korea Telecom 4538 1935 1863 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 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 Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.100.100.0/24 48159 Telecommunication Infrastruct Complete listing at http://thyme.rand.apnic.net/current/data-dsua 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 /14:1005 /15:1714 /16:12936 /17:7221 /18:12313 /19:25437 /20:35970 /21:38561 /22:59301 /23:51903 /24:294315 /25:1100 /26:1132 /27:718 /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 2243 3031 Cox Communications Inc. 18566 1996 2042 MegaPath Corporation 6389 1641 2798 BellSouth.net Inc. 6983 1396 1750 EarthLink, Inc. 30036 1374 1536 Mediacom Communications Corp 34984 1305 1987 TELLCOM ILETISIM HIZMETLERI A 6147 1183 1632 Telefonica del Peru S.A.A. 10620 1135 3222 Telmex Colombia S.A. 11492 1109 1185 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1478 2:680 4:93 5:1798 6:24 8:1418 11:1 12:1822 13:10 14:1324 15:17 16:2 17:43 18:22 20:48 23:1225 24:1696 27:1867 31:1589 32:38 33:2 34:4 35:3 36:117 37:1908 38:1018 39:6 40:251 41:3007 42:284 43:1274 44:26 45:572 46:2191 47:40 49:855 50:805 52:12 54:73 55:7 56:8 57:39 58:1286 59:714 60:475 61:1752 62:1326 63:1915 64:4409 65:2250 66:4070 67:2066 68:1055 69:3265 70:980 71:448 72:1961 74:2655 75:337 76:422 77:1452 78:1186 79:803 80:1335 81:1338 82:812 83:696 84:717 85:1372 86:393 87:1044 88:514 89:1831 90:151 91:5977 92:837 93:2220 94:2016 95:2134 96:428 97:354 98:1053 99:49 100:70 101:830 103:7392 104:1778 105:63 106:244 107:953 108:627 109:2044 110:1102 111:1487 112:800 113:1077 114:821 115:1281 116:1359 117:1057 118:1804 119:1452 120:448 121:1080 122:2138 123:1809 124:1511 125:1583 128:647 129:386 130:396 131:1182 132:490 133:174 134:414 135:107 136:325 137:309 138:717 139:147 140:236 141:444 142:671 143:504 144:569 145:115 146:702 147:585 148:1131 149:402 150:562 151:597 152:494 153:243 154:487 155:859 156:406 157:463 158:319 159:1005 160:379 161:659 162:1927 163:423 164:669 165:691 166:307 167:828 168:1294 169:169 170:1462 171:245 172:45 173:1518 174:710 175:689 176:1308 177:3766 178:2161 179:960 180:1963 181:1689 182:1769 183:616 184:740 185:3481 186:2654 187:1739 188:2040 189:1575 190:7707 191:974 192:8332 193:5601 194:4136 195:3641 196:1641 197:1030 198:5536 199:5544 200:6661 201:3092 202:9437 203:9130 204:4668 205:2829 206:3086 207:2951 208:3966 209:3963 210:3526 211:1849 212:2526 213:2337 214:869 215:72 216:5662 217:1821 218:697 219:463 220:1452 221:785 222:476 223:686 End of report