Weekly Routing Table Report
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, SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG. 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 27 Feb, 2016 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 585422 Prefixes after maximum aggregation (per Origin AS): 215201 Deaggregation factor: 2.72 Unique aggregates announced (without unneeded subnets): 285164 Total ASes present in the Internet Routing Table: 52903 Prefixes per ASN: 11.07 Origin-only ASes present in the Internet Routing Table: 36594 Origin ASes announcing only one prefix: 15805 Transit ASes present in the Internet Routing Table: 6406 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: 39 Max AS path prepend of ASN ( 40285) 34 Prefixes from unregistered ASNs in the Routing Table: 1127 Unregistered ASNs in the Routing Table: 397 Number of 32-bit ASNs allocated by the RIRs: 12856 Number of 32-bit ASNs visible in the Routing Table: 9903 Prefixes from 32-bit ASNs in the Routing Table: 38748 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 400 Number of addresses announced to Internet: 2805844804 Equivalent to 167 /8s, 61 /16s and 203 /24s Percentage of available address space announced: 75.8 Percentage of allocated address space announced: 75.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.0 Total number of prefixes smaller than registry allocations: 192303 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 150016 Total APNIC prefixes after maximum aggregation: 41513 APNIC Deaggregation factor: 3.61 Prefixes being announced from the APNIC address blocks: 159948 Unique aggregates announced from the APNIC address blocks: 64754 APNIC Region origin ASes present in the Internet Routing Table: 5142 APNIC Prefixes per ASN: 31.11 APNIC Region origin ASes announcing only one prefix: 1183 APNIC Region transit ASes present in the Internet Routing Table: 906 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1891 Number of APNIC addresses announced to Internet: 752276868 Equivalent to 44 /8s, 214 /16s and 213 /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: 179657 Total ARIN prefixes after maximum aggregation: 88788 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 184355 Unique aggregates announced from the ARIN address blocks: 87428 ARIN Region origin ASes present in the Internet Routing Table: 16405 ARIN Prefixes per ASN: 11.24 ARIN Region origin ASes announcing only one prefix: 5891 ARIN Region transit ASes present in the Internet Routing Table: 1697 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1030 Number of ARIN addresses announced to Internet: 1102230080 Equivalent to 65 /8s, 178 /16s and 178 /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: 140791 Total RIPE prefixes after maximum aggregation: 69611 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 149251 Unique aggregates announced from the RIPE address blocks: 91992 RIPE Region origin ASes present in the Internet Routing Table: 18051 RIPE Prefixes per ASN: 8.27 RIPE Region origin ASes announcing only one prefix: 7954 RIPE Region transit ASes present in the Internet Routing Table: 3010 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4495 Number of RIPE addresses announced to Internet: 703041408 Equivalent to 41 /8s, 231 /16s and 143 /24s Percentage of available RIPE address space announced: 102.2 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: 61389 Total LACNIC prefixes after maximum aggregation: 12081 LACNIC Deaggregation factor: 5.08 Prefixes being announced from the LACNIC address blocks: 75026 Unique aggregates announced from the LACNIC address blocks: 35027 LACNIC Region origin ASes present in the Internet Routing Table: 2469 LACNIC Prefixes per ASN: 30.39 LACNIC Region origin ASes announcing only one prefix: 586 LACNIC Region transit ASes present in the Internet Routing Table: 545 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 23 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2300 Number of LACNIC addresses announced to Internet: 170789888 Equivalent to 10 /8s, 46 /16s and 12 /24s Percentage of available LACNIC address space announced: 101.8 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: 14666 Total AfriNIC prefixes after maximum aggregation: 3167 AfriNIC Deaggregation factor: 4.63 Prefixes being announced from the AfriNIC address blocks: 16442 Unique aggregates announced from the AfriNIC address blocks: 5608 AfriNIC Region origin ASes present in the Internet Routing Table: 742 AfriNIC Prefixes per ASN: 22.16 AfriNIC Region origin ASes announcing only one prefix: 191 AfriNIC Region transit ASes present in the Internet Routing Table: 171 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 187 Number of AfriNIC addresses announced to Internet: 77081344 Equivalent to 4 /8s, 152 /16s and 43 /24s Percentage of available AfriNIC address space announced: 76.6 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 4538 5592 4192 76 China Education and Research 7545 3187 351 182 TPG Telecom Limited 4766 3117 11142 1094 Korea Telecom 17974 2908 914 96 PT Telekomunikasi Indonesia 9829 2381 1448 428 National Internet Backbone 4755 2084 431 237 TATA Communications formerly 9808 1832 8717 30 Guangdong Mobile Communicatio 45899 1698 1095 172 VNNIC 4808 1632 2287 522 CNCGROUP IP network China169 9583 1520 121 561 Sify Limited 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 3291 2948 147 Cox Communications Inc. 6389 2394 3687 42 BellSouth.net Inc. 18566 2211 394 276 MegaPath Corporation 20115 1915 1917 401 Charter Communications 30036 1713 340 267 Mediacom Communications Corp 6983 1690 849 233 EarthLink, Inc. 4323 1588 1023 393 tw telecom holdings, inc. 209 1501 4482 1210 Qwest Communications Company, 701 1396 11455 664 MCI Communications Services, 11492 1254 233 597 CABLE ONE, INC. 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 2515 135 9 SaudiNet, Saudi Telecom Compa 20940 2405 928 1719 Akamai International B.V. 34984 1947 322 415 TELLCOM ILETISIM HIZMETLERI A 8551 1227 376 53 Bezeq International-Ltd 6849 1179 355 21 JSC "Ukrtelecom" 8402 1144 544 15 OJSC "Vimpelcom" 12479 1139 981 83 France Telecom Espana SA 13188 1077 98 78 TOV "Bank-Inform" 31148 1041 47 41 Freenet Ltd. 9198 970 352 25 JSC Kazakhtelecom 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 3434 541 150 Telmex Colombia S.A. 8151 2173 3392 519 Uninet S.A. de C.V. 7303 1520 940 239 Telecom Argentina S.A. 11830 1434 366 25 Instituto Costarricense de El 6503 1428 437 56 Axtel, S.A.B. de C.V. 6147 1036 377 27 Telefonica del Peru S.A.A. 28573 1005 2177 155 NET Serviços de Comunicação S 26615 995 2325 34 Tim Celular S.A. 7738 994 1882 41 Telemar Norte Leste S.A. 3816 984 477 191 COLOMBIA TELECOMUNICACIONES S 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 1422 1472 15 TE-AS 24863 1193 402 39 Link Egypt (Link.NET) 37611 626 48 2 Afrihost-Brevis Computer Serv 36903 584 294 104 Office National des Postes et 36992 501 1239 29 ETISALAT MISR 37492 358 216 66 Orange Tunisie 24835 333 146 12 Vodafone Data 29571 266 21 12 Cote d'Ivoire Telecom 2018 249 327 74 TENET (The UNINET Project) 3741 220 821 181 Internet Solutions 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 4538 5592 4192 76 China Education and Research 10620 3434 541 150 Telmex Colombia S.A. 22773 3291 2948 147 Cox Communications Inc. 7545 3187 351 182 TPG Telecom Limited 4766 3117 11142 1094 Korea Telecom 17974 2908 914 96 PT Telekomunikasi Indonesia 39891 2515 135 9 SaudiNet, Saudi Telecom Compa 20940 2405 928 1719 Akamai International B.V. 6389 2394 3687 42 BellSouth.net Inc. 9829 2381 1448 428 National Internet Backbone Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 10620 3434 3284 Telmex Colombia S.A. 22773 3291 3144 Cox Communications Inc. 7545 3187 3005 TPG Telecom Limited 17974 2908 2812 PT Telekomunikasi Indonesia 39891 2515 2506 SaudiNet, Saudi Telecom Compa 6389 2394 2352 BellSouth.net Inc. 4766 3117 2023 Korea Telecom 9829 2381 1953 National Internet Backbone 18566 2211 1935 MegaPath Corporation 4755 2084 1847 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65001 PRIVATE 5.143.176.0/20 15468 OJSC Rostelecom 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 46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio 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 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/20 40430 colo4jax, LLC 27.100.7.0/24 56096 >>UNKNOWN<< 37.46.10.0/23 36351 SoftLayer Technologies Inc. 37.46.14.0/24 36351 SoftLayer Technologies Inc. 37.46.15.0/24 36351 SoftLayer Technologies Inc. 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.3.0/24 37004 >>UNKNOWN<< 41.73.4.0/24 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 /8:16 /9:13 /10:36 /11:101 /12:266 /13:513 /14:1027 /15:1761 /16:12973 /17:7484 /18:12589 /19:25694 /20:38134 /21:40127 /22:65105 /23:56132 /24:321847 /25:550 /26:585 /27:401 /28:18 /29:16 /30:12 /31:0 /32:22 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2476 3291 Cox Communications Inc. 39891 2472 2515 SaudiNet, Saudi Telecom Compa 18566 2113 2211 MegaPath Corporation 30036 1528 1713 Mediacom Communications Corp 6389 1521 2394 BellSouth.net Inc. 6983 1340 1690 EarthLink, Inc. 10620 1320 3434 Telmex Colombia S.A. 34984 1236 1947 TELLCOM ILETISIM HIZMETLERI A 11492 1164 1254 CABLE ONE, INC. 6849 997 1179 JSC "Ukrtelecom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1601 2:735 4:20 5:2099 6:26 8:914 12:1783 13:36 14:1680 15:22 16:2 17:68 18:20 20:48 23:1376 24:1743 27:2245 31:1745 32:54 33:2 34:2 35:4 36:234 37:2356 38:1175 39:26 40:85 41:3188 42:385 43:1683 44:40 45:1698 46:2418 47:68 49:1121 50:844 51:3 52:76 54:179 55:3 56:6 57:44 58:1510 59:860 60:564 61:1793 62:1446 63:1921 64:4465 65:2167 66:4057 67:2086 68:1104 69:3300 70:1040 71:464 72:1983 74:2543 75:357 76:426 77:1376 78:1281 79:813 80:1305 81:1358 82:899 83:671 84:800 85:1581 86:468 87:1040 88:563 89:1935 90:167 91:6049 92:852 93:2312 94:2381 95:2284 96:471 97:356 98:954 99:45 100:69 101:1010 103:9846 104:2263 105:101 106:390 107:1145 108:651 109:2143 110:1262 111:1624 112:936 113:1275 114:1111 115:1687 116:1522 117:1408 118:2109 119:1540 120:510 121:1168 122:2234 123:2015 124:1612 125:1748 128:719 129:369 130:427 131:1272 132:595 133:171 134:449 135:122 136:353 137:337 138:1717 139:200 140:248 141:466 142:629 143:870 144:598 145:160 146:843 147:605 148:1463 149:471 150:662 151:825 152:602 153:270 154:573 155:900 156:487 157:428 158:347 159:1090 160:426 161:723 162:2279 163:530 164:728 165:1119 166:313 167:1018 168:1517 169:600 170:1498 171:264 172:470 173:1637 174:719 175:869 176:1512 177:4028 178:2217 179:1074 180:2112 181:1670 182:1947 183:684 184:790 185:5791 186:3027 187:1990 188:2091 189:1728 190:7668 191:1227 192:8887 193:5725 194:4355 195:3762 196:1654 197:1318 198:5503 199:5574 200:6827 201:3722 202:10112 203:9591 204:4617 205:2691 206:2983 207:3055 208:4041 209:3871 210:3953 211:2010 212:2653 213:2190 214:808 215:73 216:5714 217:1905 218:749 219:564 220:1660 221:851 222:681 223:931 End of report
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