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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Aug 7 20:13:45 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 08 Aug, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 554366 Prefixes after maximum aggregation (per Origin AS): 209671 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 270945 Total ASes present in the Internet Routing Table: 51105 Prefixes per ASN: 10.85 Origin-only ASes present in the Internet Routing Table: 36680 Origin ASes announcing only one prefix: 16160 Transit ASes present in the Internet Routing Table: 6359 Transit-only ASes present in the Internet Routing Table: 173 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: 1200 Unregistered ASNs in the Routing Table: 434 Number of 32-bit ASNs allocated by the RIRs: 10499 Number of 32-bit ASNs visible in the Routing Table: 8066 Prefixes from 32-bit ASNs in the Routing Table: 29903 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 417 Number of addresses announced to Internet: 2791482880 Equivalent to 166 /8s, 98 /16s and 166 /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: 185457 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 137012 Total APNIC prefixes after maximum aggregation: 39879 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 144078 Unique aggregates announced from the APNIC address blocks: 58813 APNIC Region origin ASes present in the Internet Routing Table: 5080 APNIC Prefixes per ASN: 28.36 APNIC Region origin ASes announcing only one prefix: 1192 APNIC Region transit ASes present in the Internet Routing Table: 883 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1583 Number of APNIC addresses announced to Internet: 750929984 Equivalent to 44 /8s, 194 /16s and 72 /24s Percentage of available APNIC address space announced: 87.8 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: 179763 Total ARIN prefixes after maximum aggregation: 88015 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 182518 Unique aggregates announced from the ARIN address blocks: 85471 ARIN Region origin ASes present in the Internet Routing Table: 16589 ARIN Prefixes per ASN: 11.00 ARIN Region origin ASes announcing only one prefix: 6080 ARIN Region transit ASes present in the Internet Routing Table: 1737 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: 592 Number of ARIN addresses announced to Internet: 1103491328 Equivalent to 65 /8s, 197 /16s and 241 /24s Percentage of available ARIN address space announced: 58.4 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: 134392 Total RIPE prefixes after maximum aggregation: 67097 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 141073 Unique aggregates announced from the RIPE address blocks: 87683 RIPE Region origin ASes present in the Internet Routing Table: 17959 RIPE Prefixes per ASN: 7.86 RIPE Region origin ASes announcing only one prefix: 8066 RIPE Region transit ASes present in the Internet Routing Table: 2981 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3919 Number of RIPE addresses announced to Internet: 698956928 Equivalent to 41 /8s, 169 /16s and 60 /24s Percentage of available RIPE address space announced: 101.6 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: 60822 Total LACNIC prefixes after maximum aggregation: 11540 LACNIC Deaggregation factor: 5.27 Prefixes being announced from the LACNIC address blocks: 72105 Unique aggregates announced from the LACNIC address blocks: 33337 LACNIC Region origin ASes present in the Internet Routing Table: 2463 LACNIC Prefixes per ASN: 29.28 LACNIC Region origin ASes announcing only one prefix: 622 LACNIC Region transit ASes present in the Internet Routing Table: 515 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: 1833 Number of LACNIC addresses announced to Internet: 168796736 Equivalent to 10 /8s, 15 /16s and 162 /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: 12284 Total AfriNIC prefixes after maximum aggregation: 3091 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 14175 Unique aggregates announced from the AfriNIC address blocks: 5256 AfriNIC Region origin ASes present in the Internet Routing Table: 742 AfriNIC Prefixes per ASN: 19.10 AfriNIC Region origin ASes announcing only one prefix: 200 AfriNIC Region transit ASes present in the Internet Routing Table: 167 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 139 Number of AfriNIC addresses announced to Internet: 68660224 Equivalent to 4 /8s, 23 /16s and 172 /24s Percentage of available AfriNIC address space announced: 68.2 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 2991 11300 979 Korea Telecom 17974 2705 904 80 PT Telekomunikasi Indonesia 7545 2619 339 134 TPG Telecom Limited 4755 2028 426 225 TATA Communications formerly 4538 1949 4190 71 China Education and Research 9829 1852 1369 187 National Internet Backbone 9808 1587 8717 29 Guangdong Mobile Communicatio 9583 1517 119 570 Sify Limited 4808 1483 2248 469 CNCGROUP IP network China169 9498 1370 335 105 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 3180 2961 138 Cox Communications Inc. 6389 2734 3688 51 BellSouth.net Inc. 3356 2557 10710 511 Level 3 Communications, Inc. 18566 2067 381 208 MegaPath Corporation 20115 1873 1847 406 Charter Communications 6983 1753 851 245 EarthLink, Inc. 4323 1596 1006 414 tw telecom holdings, inc. 30036 1552 313 480 Mediacom Communications Corp 701 1406 11376 684 MCI Communications Services, 22561 1374 415 256 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 2062 814 1492 Akamai International B.V. 34984 2031 305 379 TELLCOM ILETISIM HIZMETLERI A 6849 1209 355 21 JSC "Ukrtelecom" 8551 1099 376 52 Bezeq International-Ltd 13188 1068 97 77 TOV "Bank-Inform" 31148 1054 46 24 Freenet Ltd. 12479 976 933 76 France Telecom Espana SA 8402 936 544 15 OJSC "Vimpelcom" 6830 921 2696 471 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 3338 538 145 Telmex Colombia S.A. 28573 2300 2173 111 NET Serviços de Comunicação S 8151 1683 3261 486 Uninet S.A. de C.V. 7303 1601 974 243 Telecom Argentina S.A. 6147 1388 374 30 Telefonica del Peru S.A.A. 6503 1247 421 55 Axtel, S.A.B. de C.V. 26615 1105 2325 35 Tim Celular S.A. 7738 995 1882 41 Telemar Norte Leste S.A. 3816 947 430 162 COLOMBIA TELECOMUNICACIONES S 11830 924 364 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 24863 886 280 26 Link Egypt (Link.NET) 8452 864 1470 14 TE-AS 36903 512 258 99 Office National des Postes et 36992 442 1229 32 ETISALAT MISR 37492 312 175 71 Orange Tunisie 24835 308 146 12 Vodafone Data 3741 252 857 208 Internet Solutions 29571 249 21 13 Cote d'Ivoire Telecom 37054 189 20 7 Data Telecom Service 36947 182 807 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 3338 538 145 Telmex Colombia S.A. 22773 3180 2961 138 Cox Communications Inc. 4766 2991 11300 979 Korea Telecom 6389 2734 3688 51 BellSouth.net Inc. 17974 2705 904 80 PT Telekomunikasi Indonesia 7545 2619 339 134 TPG Telecom Limited 3356 2557 10710 511 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2300 2173 111 NET Serviços de Comunicação S 18566 2067 381 208 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 3180 3042 Cox Communications Inc. 6389 2734 2683 BellSouth.net Inc. 17974 2705 2625 PT Telekomunikasi Indonesia 7545 2619 2485 TPG Telecom Limited 39891 2472 2466 SaudiNet, Saudi Telecom Compa 28573 2300 2189 NET Serviços de Comunicação S 3356 2557 2046 Level 3 Communications, Inc. 4766 2991 2012 Korea Telecom 4538 1949 1878 China Education and Research 18566 2067 1859 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 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 55060 UNALLOCATED 8.35.9.0/24 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 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 14.192.56.0/22 23456 32bit Transition AS 23.226.112.0/20 62788 >>UNKNOWN<< 27.54.116.0/22 23456 32bit Transition AS 27.96.88.0/22 23456 32bit Transition AS 27.100.7.0/24 56096 >>UNKNOWN<< 27.100.24.0/22 23456 32bit Transition AS 27.109.124.0/22 23456 32bit Transition AS 27.111.72.0/22 23456 32bit Transition AS 27.112.120.0/22 23456 32bit Transition AS 27.116.40.0/22 23456 32bit Transition AS 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 /12:263 /13:506 /14:1001 /15:1729 /16:12890 /17:7257 /18:12358 /19:25551 /20:36046 /21:38803 /22:60636 /23:53091 /24:301015 /25:1135 /26:1157 /27:712 /28:14 /29:14 /30:9 /31:0 /32:17 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2374 3180 Cox Communications Inc. 18566 2009 2067 MegaPath Corporation 6389 1619 2734 BellSouth.net Inc. 6983 1399 1753 EarthLink, Inc. 30036 1375 1552 Mediacom Communications Corp 34984 1340 2031 TELLCOM ILETISIM HIZMETLERI A 10620 1208 3338 Telmex Colombia S.A. 11492 1111 1195 CABLE ONE, INC. 22561 1047 1374 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1537 2:698 4:96 5:1857 6:25 8:1383 12:1808 13:14 14:1333 15:17 16:2 17:41 18:22 20:48 23:1262 24:1758 27:1996 31:1573 32:37 33:2 34:4 35:3 36:158 37:2018 38:1040 39:14 40:69 41:2800 42:302 43:1401 44:30 45:922 46:2346 47:51 49:928 50:784 52:15 54:86 55:3 56:6 57:43 58:1350 59:716 60:481 61:1754 62:1380 63:1905 64:4433 65:2253 66:4030 67:2063 68:1065 69:3242 70:1026 71:449 72:1966 74:2588 75:355 76:385 77:1305 78:1108 79:811 80:1360 81:1317 82:855 83:719 84:794 85:1364 86:447 87:1040 88:531 89:1935 90:148 91:5942 92:844 93:2279 94:2060 95:2191 96:413 97:347 98:996 99:55 100:75 101:850 103:7964 104:2018 105:69 106:341 107:1044 108:625 109:2120 110:1157 111:1465 112:821 113:1105 114:844 115:1283 116:1457 117:1073 118:1883 119:1463 120:451 121:1142 122:2158 123:1848 124:1520 125:1615 128:643 129:392 130:419 131:1256 132:526 133:171 134:409 135:101 136:334 137:328 138:1073 139:149 140:241 141:495 142:663 143:537 144:545 145:126 146:798 147:563 148:1237 149:427 150:565 151:674 152:522 153:256 154:470 155:880 156:427 157:421 158:358 159:1030 160:406 161:665 162:2002 163:444 164:700 165:707 166:299 167:853 168:1241 169:190 170:1470 171:253 172:284 173:1530 174:720 175:700 176:1432 177:3851 178:2161 179:960 180:1940 181:1645 182:1810 183:629 184:761 185:4022 186:2914 187:1824 188:2076 189:1568 190:7758 191:1123 192:8575 193:5648 194:4211 195:3643 196:2015 197:1034 198:5563 199:5500 200:6654 201:3305 202:9512 203:9161 204:4681 205:2850 206:3014 207:2970 208:3985 209:3909 210:3582 211:1921 212:2551 213:2244 214:836 215:73 216:5733 217:1843 218:733 219:469 220:1505 221:815 222:473 223:808 End of report
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