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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Apr 3 20:14:57 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 04:00 +10GMT Sat 04 Apr, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 539115 Prefixes after maximum aggregation (per Origin AS): 205855 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 262872 Total ASes present in the Internet Routing Table: 49858 Prefixes per ASN: 10.81 Origin-only ASes present in the Internet Routing Table: 36536 Origin ASes announcing only one prefix: 16266 Transit ASes present in the Internet Routing Table: 6290 Transit-only ASes present in the Internet Routing Table: 173 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 55644) 56 Prefixes from unregistered ASNs in the Routing Table: 1130 Unregistered ASNs in the Routing Table: 410 Number of 32-bit ASNs allocated by the RIRs: 9061 Number of 32-bit ASNs visible in the Routing Table: 7032 Prefixes from 32-bit ASNs in the Routing Table: 25439 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 372 Number of addresses announced to Internet: 2740392868 Equivalent to 163 /8s, 87 /16s and 19 /24s Percentage of available address space announced: 74.0 Percentage of allocated address space announced: 74.0 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: 181677 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 133140 Total APNIC prefixes after maximum aggregation: 38684 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 138839 Unique aggregates announced from the APNIC address blocks: 56616 APNIC Region origin ASes present in the Internet Routing Table: 5036 APNIC Prefixes per ASN: 27.57 APNIC Region origin ASes announcing only one prefix: 1214 APNIC Region transit ASes present in the Internet Routing Table: 872 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 59 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1365 Number of APNIC addresses announced to Internet: 747782656 Equivalent to 44 /8s, 146 /16s and 66 /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: 177915 Total ARIN prefixes after maximum aggregation: 87703 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 180188 Unique aggregates announced from the ARIN address blocks: 84227 ARIN Region origin ASes present in the Internet Routing Table: 16510 ARIN Prefixes per ASN: 10.91 ARIN Region origin ASes announcing only one prefix: 6072 ARIN Region transit ASes present in the Internet Routing Table: 1716 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: 386 Number of ARIN addresses announced to Internet: 1064986400 Equivalent to 63 /8s, 122 /16s and 103 /24s Percentage of available ARIN address space announced: 56.3 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, 393216-394239 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: 130559 Total RIPE prefixes after maximum aggregation: 65255 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 136997 Unique aggregates announced from the RIPE address blocks: 84491 RIPE Region origin ASes present in the Internet Routing Table: 17929 RIPE Prefixes per ASN: 7.64 RIPE Region origin ASes announcing only one prefix: 8164 RIPE Region transit ASes present in the Internet Routing Table: 2969 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: 3568 Number of RIPE addresses announced to Internet: 694387588 Equivalent to 41 /8s, 99 /16s and 131 /24s Percentage of available RIPE address space announced: 100.9 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: 59226 Total LACNIC prefixes after maximum aggregation: 11187 LACNIC Deaggregation factor: 5.29 Prefixes being announced from the LACNIC address blocks: 68995 Unique aggregates announced from the LACNIC address blocks: 32144 LACNIC Region origin ASes present in the Internet Routing Table: 2423 LACNIC Prefixes per ASN: 28.48 LACNIC Region origin ASes announcing only one prefix: 623 LACNIC Region transit ASes present in the Internet Routing Table: 495 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 22 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1609 Number of LACNIC addresses announced to Internet: 168041728 Equivalent to 10 /8s, 4 /16s and 29 /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: 12673 Total AfriNIC prefixes after maximum aggregation: 2982 AfriNIC Deaggregation factor: 4.25 Prefixes being announced from the AfriNIC address blocks: 13724 Unique aggregates announced from the AfriNIC address blocks: 5057 AfriNIC Region origin ASes present in the Internet Routing Table: 725 AfriNIC Prefixes per ASN: 18.93 AfriNIC Region origin ASes announcing only one prefix: 193 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: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 104 Number of AfriNIC addresses announced to Internet: 64489472 Equivalent to 3 /8s, 216 /16s and 8 /24s Percentage of available AfriNIC address space announced: 64.1 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 2877 11556 919 Korea Telecom 17974 2794 904 78 PT Telekomunikasi Indonesia 7545 2546 336 128 TPG Telecom Limited 4755 2003 422 212 TATA Communications formerly 4538 1760 4190 71 China Education and Research 9829 1678 1324 47 National Internet Backbone 9808 1555 8717 28 Guangdong Mobile Communicatio 4808 1452 2259 447 CNCGROUP IP network China169 9583 1405 116 574 Sify Limited 9498 1313 334 94 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 3018 2956 142 Cox Communications Inc. 6389 2880 3688 51 BellSouth.net Inc. 3356 2541 10683 475 Level 3 Communications, Inc. 18566 2041 379 183 MegaPath Corporation 20115 1851 1832 431 Charter Communications 6983 1752 866 245 EarthLink, Inc. 4323 1618 1020 407 tw telecom holdings, inc. 30036 1508 308 527 Mediacom Communications Corp 701 1391 11270 677 MCI Communications Services, 22561 1338 412 242 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 34984 1980 303 357 TELLCOM ILETISIM HIZMETLERI A 20940 1689 648 1248 Akamai International B.V. 8402 1214 544 15 OJSC "Vimpelcom" 6849 1212 356 24 JSC "Ukrtelecom" 31148 1046 45 21 Freenet Ltd. 13188 1024 96 72 TOV "Bank-Inform" 12479 898 801 79 France Telecom Espana SA 8551 885 373 48 Bezeq International-Ltd 6830 852 2341 452 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 3156 514 222 Telmex Colombia S.A. 28573 2358 2173 118 NET Serviços de Comunicação S 7303 1704 1102 241 Telecom Argentina S.A. 6147 1596 374 30 Telefonica del Peru S.A.A. 8151 1559 3159 449 Uninet S.A. de C.V. 6503 1209 421 57 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 26615 963 2325 35 Tim Celular S.A. 3816 922 418 154 COLOMBIA TELECOMUNICACIONES S 18881 867 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 1694 958 13 TE-AS 24863 962 284 27 Link Egypt (Link.NET) 36903 479 241 90 Office National des Postes et 36992 417 1229 32 ETISALAT MISR 37492 318 159 71 Orange Tunisie 24835 300 144 9 Vodafone Data 3741 249 857 208 Internet Solutions 29571 232 21 13 Cote d'Ivoire Telecom 36947 192 807 13 Telecom Algeria 15706 172 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 3156 514 222 Telmex Colombia S.A. 22773 3018 2956 142 Cox Communications Inc. 6389 2880 3688 51 BellSouth.net Inc. 4766 2877 11556 919 Korea Telecom 17974 2794 904 78 PT Telekomunikasi Indonesia 7545 2546 336 128 TPG Telecom Limited 3356 2541 10683 475 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2358 2173 118 NET Serviços de Comunicação S 18566 2041 379 183 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 3018 2876 Cox Communications Inc. 6389 2880 2829 BellSouth.net Inc. 17974 2794 2716 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 7545 2546 2418 TPG Telecom Limited 28573 2358 2240 NET Serviços de Comunicação S 3356 2541 2066 Level 3 Communications, Inc. 4766 2877 1958 Korea Telecom 18566 2041 1858 MegaPath Corporation 4755 2003 1791 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 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 /8:16 /9:12 /10:34 /11:93 /12:264 /13:510 /14:1001 /15:1717 /16:12950 /17:7205 /18:12232 /19:25319 /20:35828 /21:38593 /22:58523 /23:51163 /24:290671 /25:1111 /26:1167 /27:660 /28:14 /29:11 /30:8 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2230 3018 Cox Communications Inc. 18566 1996 2041 MegaPath Corporation 6389 1670 2880 BellSouth.net Inc. 6983 1399 1752 EarthLink, Inc. 30036 1355 1508 Mediacom Communications Corp 34984 1285 1980 TELLCOM ILETISIM HIZMETLERI A 6147 1144 1596 Telefonica del Peru S.A.A. 10620 1116 3156 Telmex Colombia S.A. 11492 1109 1172 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1544 2:666 4:93 5:1751 6:21 8:1415 12:1819 13:9 14:1315 15:17 16:2 17:44 18:21 20:49 23:1192 24:1695 27:1854 31:1513 32:39 33:2 34:5 35:3 36:117 37:1893 38:1012 39:11 40:246 41:2929 42:265 43:1238 44:26 45:342 46:2122 47:37 49:883 50:796 52:12 54:72 55:4 56:8 57:37 58:1222 59:681 60:468 61:1759 62:1336 63:1908 64:4448 65:2257 66:4120 67:2054 68:1077 69:3270 70:959 71:441 72:1959 74:2647 75:322 76:407 77:1489 78:1223 79:798 80:1317 81:1351 82:819 83:685 84:679 85:1369 86:381 87:1074 88:511 89:1807 90:153 91:5984 92:824 93:2174 94:1964 95:2068 96:428 97:348 98:1067 99:47 100:68 101:815 103:7079 104:1481 105:61 106:224 107:913 108:616 109:2019 110:1078 111:1485 112:770 113:1051 114:834 115:1249 116:1366 117:1024 118:1707 119:1436 120:450 121:1037 122:2183 123:1728 124:1505 125:1578 128:567 129:377 130:390 131:1183 132:481 133:172 134:415 135:109 136:300 137:313 138:576 139:164 140:239 141:421 142:669 143:487 144:569 145:108 146:712 147:580 148:1104 149:464 150:562 151:605 152:491 153:240 154:339 155:738 156:406 157:334 158:319 159:969 160:373 161:639 162:1959 163:422 164:663 165:686 166:289 167:803 168:1277 169:161 170:1466 171:240 172:41 173:1548 174:701 175:662 176:1406 177:3797 178:2062 179:879 180:1926 181:1599 182:1748 183:620 184:744 185:3193 186:2622 187:1783 188:2018 189:1584 190:7696 191:909 192:8204 193:5591 194:4107 195:3661 196:1705 197:1076 198:5512 199:5528 200:6575 201:3045 202:9447 203:9108 204:4694 205:2830 206:3083 207:3003 208:3943 209:3966 210:3525 211:1856 212:2451 213:2279 214:854 215:70 216:5581 217:1798 218:676 219:453 220:1436 221:790 222:464 223:670 End of report
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