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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Sat Sep 5 16:11:31 CEST 2015
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 at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Routing Table Report 0400 +10GMT Sat 05 Sep, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 557095 Prefixes after maximum aggregation (per Origin AS): 210220 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 273158 Total ASes present in the Internet Routing Table: 51335 Prefixes per ASN: 10.85 Origin-only ASes present in the Internet Routing Table: 36652 Origin ASes announcing only one prefix: 16121 Transit ASes present in the Internet Routing Table: 6394 Transit-only ASes present in the Internet Routing Table: 174 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 45 Max AS path prepend of ASN ( 55644) 41 Prefixes from unregistered ASNs in the Routing Table: 1084 Unregistered ASNs in the Routing Table: 417 Number of 32-bit ASNs allocated by the RIRs: 10864 Number of 32-bit ASNs visible in the Routing Table: 8289 Prefixes from 32-bit ASNs in the Routing Table: 31110 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 549 Number of addresses announced to Internet: 2791677888 Equivalent to 166 /8s, 101 /16s and 159 /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: 185801 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 137442 Total APNIC prefixes after maximum aggregation: 39619 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 144696 Unique aggregates announced from the APNIC address blocks: 59649 APNIC Region origin ASes present in the Internet Routing Table: 5082 APNIC Prefixes per ASN: 28.47 APNIC Region origin ASes announcing only one prefix: 1207 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: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1616 Number of APNIC addresses announced to Internet: 752104064 Equivalent to 44 /8s, 212 /16s and 50 /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: 180364 Total ARIN prefixes after maximum aggregation: 88403 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 183248 Unique aggregates announced from the ARIN address blocks: 86047 ARIN Region origin ASes present in the Internet Routing Table: 16586 ARIN Prefixes per ASN: 11.05 ARIN Region origin ASes announcing only one prefix: 6062 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: 647 Number of ARIN addresses announced to Internet: 1101600192 Equivalent to 65 /8s, 169 /16s and 21 /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: 135119 Total RIPE prefixes after maximum aggregation: 67450 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 142046 Unique aggregates announced from the RIPE address blocks: 88128 RIPE Region origin ASes present in the Internet Routing Table: 17968 RIPE Prefixes per ASN: 7.91 RIPE Region origin ASes announcing only one prefix: 8043 RIPE Region transit ASes present in the Internet Routing Table: 2997 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3989 Number of RIPE addresses announced to Internet: 699409536 Equivalent to 41 /8s, 176 /16s and 36 /24s Percentage of available RIPE address space announced: 101.7 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: 60887 Total LACNIC prefixes after maximum aggregation: 11605 LACNIC Deaggregation factor: 5.25 Prefixes being announced from the LACNIC address blocks: 72568 Unique aggregates announced from the LACNIC address blocks: 33625 LACNIC Region origin ASes present in the Internet Routing Table: 2465 LACNIC Prefixes per ASN: 29.44 LACNIC Region origin ASes announcing only one prefix: 614 LACNIC Region transit ASes present in the Internet Routing Table: 524 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1894 Number of LACNIC addresses announced to Internet: 168755968 Equivalent to 10 /8s, 15 /16s and 3 /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: 12049 Total AfriNIC prefixes after maximum aggregation: 3097 AfriNIC Deaggregation factor: 3.89 Prefixes being announced from the AfriNIC address blocks: 13988 Unique aggregates announced from the AfriNIC address blocks: 5344 AfriNIC Region origin ASes present in the Internet Routing Table: 740 AfriNIC Prefixes per ASN: 18.90 AfriNIC Region origin ASes announcing only one prefix: 195 AfriNIC Region transit ASes present in the Internet Routing Table: 164 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: 143 Number of AfriNIC addresses announced to Internet: 69319936 Equivalent to 4 /8s, 33 /16s and 189 /24s Percentage of available AfriNIC address space announced: 68.9 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 3000 11134 979 Korea Telecom 7545 2769 339 134 TPG Telecom Limited 17974 2709 904 80 PT Telekomunikasi Indonesia 4755 2041 427 229 TATA Communications formerly 4538 1946 4190 71 China Education and Research 9829 1875 1374 201 National Internet Backbone 9808 1585 8639 18 Guangdong Mobile Communicatio 4808 1529 2254 474 CNCGROUP IP network China169 9583 1526 121 570 Sify Limited 7552 1423 1084 9 Viettel Corporation 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 3165 2960 139 Cox Communications Inc. 6389 2696 3688 51 BellSouth.net Inc. 3356 2535 10709 499 Level 3 Communications, Inc. 18566 2146 389 257 MegaPath Corporation 20115 1881 1864 395 Charter Communications 6983 1739 850 243 EarthLink, Inc. 4323 1583 1005 404 tw telecom holdings, inc. 30036 1577 319 451 Mediacom Communications Corp 701 1404 11401 679 MCI Communications Services, 22561 1375 415 258 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 2103 830 1528 Akamai International B.V. 34984 2014 306 377 TELLCOM ILETISIM HIZMETLERI A 6849 1209 355 21 JSC "Ukrtelecom" 13188 1070 97 77 TOV "Bank-Inform" 31148 1049 46 23 Freenet Ltd. 8402 1010 544 15 OJSC "Vimpelcom" 12479 990 965 78 France Telecom Espana SA 8551 984 376 52 Bezeq International-Ltd 6830 917 2694 468 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 3349 538 167 Telmex Colombia S.A. 28573 2286 2169 124 NET Serviços de Comunicação S 8151 1707 3272 481 Uninet S.A. de C.V. 7303 1556 932 238 Telecom Argentina S.A. 6147 1443 374 30 Telefonica del Peru S.A.A. 6503 1285 445 58 Axtel, S.A.B. de C.V. 26615 1098 2325 35 Tim Celular S.A. 7738 997 1882 41 Telemar Norte Leste S.A. 3816 952 436 163 COLOMBIA TELECOMUNICACIONES S 11830 916 364 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 8452 902 1470 14 TE-AS 24863 768 280 41 Link Egypt (Link.NET) 36903 512 258 99 Office National des Postes et 36992 439 1229 32 ETISALAT MISR 24835 280 146 12 Vodafone Data 3741 247 855 203 Internet Solutions 29571 247 21 13 Cote d'Ivoire Telecom 37054 220 20 7 Data Telecom Service 36947 183 807 13 Telecom Algeria 15706 173 32 6 Sudatel (Sudan Telecom Co. Lt 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 3349 538 167 Telmex Colombia S.A. 22773 3165 2960 139 Cox Communications Inc. 4766 3000 11134 979 Korea Telecom 7545 2769 339 134 TPG Telecom Limited 17974 2709 904 80 PT Telekomunikasi Indonesia 6389 2696 3688 51 BellSouth.net Inc. 3356 2535 10709 499 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2286 2169 124 NET Serviços de Comunicação S 18566 2146 389 257 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 3165 3026 Cox Communications Inc. 6389 2696 2645 BellSouth.net Inc. 7545 2769 2635 TPG Telecom Limited 17974 2709 2629 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 28573 2286 2162 NET Serviços de Comunicação S 3356 2535 2036 Level 3 Communications, Inc. 4766 3000 2021 Korea Telecom 18566 2146 1889 MegaPath Corporation 4538 1946 1875 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 27.50.8.0/24 55548 Ravibhawan 27.50.9.0/24 55548 Ravibhawan 27.50.10.0/23 55548 Ravibhawan 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 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 /12:261 /13:500 /14:1005 /15:1739 /16:12892 /17:7224 /18:12408 /19:25587 /20:36125 /21:38819 /22:61139 /23:53320 /24:303614 /25:855 /26:928 /27:458 /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 2380 3165 Cox Communications Inc. 18566 2061 2146 MegaPath Corporation 6389 1608 2696 BellSouth.net Inc. 30036 1397 1577 Mediacom Communications Corp 6983 1386 1739 EarthLink, Inc. 34984 1334 2014 TELLCOM ILETISIM HIZMETLERI A 10620 1227 3349 Telmex Colombia S.A. 11492 1124 1207 CABLE ONE, INC. 22561 1048 1375 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1574 2:689 4:97 5:1881 6:25 8:1403 11:1 12:1810 13:19 14:1414 15:17 16:2 17:49 18:22 20:49 23:1276 24:1752 27:2085 31:1612 32:37 33:2 34:4 35:3 36:163 37:2050 38:1057 39:15 40:71 41:2795 42:341 43:1508 44:30 45:1078 46:2370 47:54 49:937 50:792 52:22 54:86 55:5 56:28 57:42 58:1372 59:716 60:486 61:1757 62:1375 63:1899 64:4432 65:2251 66:3986 67:2054 68:1066 69:3230 70:1041 71:448 72:1972 74:2587 75:357 76:396 77:1357 78:1156 79:810 80:1356 81:1350 82:864 83:723 84:769 85:1385 86:450 87:1025 88:537 89:1932 90:150 91:5946 92:842 93:2264 94:2078 95:2159 96:422 97:348 98:970 99:55 100:72 101:847 103:8216 104:2025 105:87 106:347 107:1053 108:623 109:2143 110:1192 111:1467 112:823 113:1111 114:847 115:1328 116:1455 117:1103 118:1941 119:1472 120:451 121:1098 122:2173 123:1848 124:1517 125:1673 128:663 129:396 130:432 131:1247 132:500 133:165 134:416 135:103 136:340 137:316 138:1205 139:162 140:250 141:435 142:679 143:542 144:551 145:126 146:791 147:586 148:1253 149:432 150:594 151:796 152:531 153:254 154:510 155:871 156:422 157:422 158:347 159:1032 160:412 161:676 162:2049 163:452 164:693 165:715 166:301 167:868 168:1252 169:194 170:1476 171:249 172:253 173:1500 174:716 175:711 176:1429 177:3963 178:2187 179:983 180:1950 181:1671 182:1821 183:632 184:744 185:4200 186:2990 187:1837 188:2093 189:1638 190:7763 191:1150 192:8548 193:5662 194:4232 195:3652 196:1969 197:1066 198:5474 199:5527 200:6705 201:3304 202:9544 203:9188 204:4632 205:2888 206:3112 207:3042 208:3995 209:3919 210:3605 211:1930 212:2565 213:2229 214:860 215:74 216:5761 217:1789 218:734 219:466 220:1549 221:810 222:475 223:819 End of report
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