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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 18 20:11:47 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 19 Sep, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 563409 Prefixes after maximum aggregation (per Origin AS): 210444 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 274280 Total ASes present in the Internet Routing Table: 51461 Prefixes per ASN: 10.95 Origin-only ASes present in the Internet Routing Table: 36646 Origin ASes announcing only one prefix: 16076 Transit ASes present in the Internet Routing Table: 6399 Transit-only ASes present in the Internet Routing Table: 166 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: 1072 Unregistered ASNs in the Routing Table: 410 Number of 32-bit ASNs allocated by the RIRs: 11043 Number of 32-bit ASNs visible in the Routing Table: 8416 Prefixes from 32-bit ASNs in the Routing Table: 31590 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 427 Number of addresses announced to Internet: 2809006784 Equivalent to 167 /8s, 110 /16s and 10 /24s Percentage of available address space announced: 75.9 Percentage of allocated address space announced: 75.9 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: 186129 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 143038 Total APNIC prefixes after maximum aggregation: 39757 APNIC Deaggregation factor: 3.60 Prefixes being announced from the APNIC address blocks: 150471 Unique aggregates announced from the APNIC address blocks: 59807 APNIC Region origin ASes present in the Internet Routing Table: 5093 APNIC Prefixes per ASN: 29.54 APNIC Region origin ASes announcing only one prefix: 1205 APNIC Region transit ASes present in the Internet Routing Table: 893 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1625 Number of APNIC addresses announced to Internet: 752460032 Equivalent to 44 /8s, 217 /16s and 161 /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: 179843 Total ARIN prefixes after maximum aggregation: 88200 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 182830 Unique aggregates announced from the ARIN address blocks: 86224 ARIN Region origin ASes present in the Internet Routing Table: 16566 ARIN Prefixes per ASN: 11.04 ARIN Region origin ASes announcing only one prefix: 6045 ARIN Region transit ASes present in the Internet Routing Table: 1736 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: 680 Number of ARIN addresses announced to Internet: 1117848512 Equivalent to 66 /8s, 161 /16s and 3 /24s Percentage of available ARIN address space announced: 59.1 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: 135757 Total RIPE prefixes after maximum aggregation: 67686 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 142759 Unique aggregates announced from the RIPE address blocks: 88639 RIPE Region origin ASes present in the Internet Routing Table: 17991 RIPE Prefixes per ASN: 7.94 RIPE Region origin ASes announcing only one prefix: 8035 RIPE Region transit ASes present in the Internet Routing Table: 2989 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: 4030 Number of RIPE addresses announced to Internet: 699655936 Equivalent to 41 /8s, 179 /16s and 231 /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: 60899 Total LACNIC prefixes after maximum aggregation: 11690 LACNIC Deaggregation factor: 5.21 Prefixes being announced from the LACNIC address blocks: 72751 Unique aggregates announced from the LACNIC address blocks: 33919 LACNIC Region origin ASes present in the Internet Routing Table: 2462 LACNIC Prefixes per ASN: 29.55 LACNIC Region origin ASes announcing only one prefix: 598 LACNIC Region transit ASes present in the Internet Routing Table: 532 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: 1932 Number of LACNIC addresses announced to Internet: 168903424 Equivalent to 10 /8s, 17 /16s and 67 /24s Percentage of available LACNIC address space announced: 100.7 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: 12172 Total AfriNIC prefixes after maximum aggregation: 3069 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 14171 Unique aggregates announced from the AfriNIC address blocks: 5325 AfriNIC Region origin ASes present in the Internet Routing Table: 739 AfriNIC Prefixes per ASN: 19.18 AfriNIC Region origin ASes announcing only one prefix: 193 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: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 149 Number of AfriNIC addresses announced to Internet: 69462528 Equivalent to 4 /8s, 35 /16s and 234 /24s Percentage of available AfriNIC address space announced: 69.0 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 5586 4192 76 China Education and Research 4766 3005 11134 982 Korea Telecom 7545 2800 339 134 TPG Telecom Limited 17974 2709 908 90 PT Telekomunikasi Indonesia 4755 2045 427 228 TATA Communications formerly 9829 1909 1383 226 National Internet Backbone 9808 1601 8639 18 Guangdong Mobile Communicatio 4812 1574 2099 113 China Telecom (Group) 4808 1527 2251 476 CNCGROUP IP network China169 9583 1498 119 560 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 3186 2966 144 Cox Communications Inc. 6389 2696 3688 51 BellSouth.net Inc. 3356 2537 10710 506 Level 3 Communications, Inc. 18566 2168 392 265 MegaPath Corporation 20115 1882 1867 397 Charter Communications 6983 1737 866 242 EarthLink, Inc. 30036 1595 321 391 Mediacom Communications Corp 4323 1587 1005 406 tw telecom holdings, inc. 701 1400 11401 676 MCI Communications Services, 22561 1373 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 2473 129 7 SaudiNet, Saudi Telecom Compa 20940 2141 848 1546 Akamai International B.V. 34984 2048 306 377 TELLCOM ILETISIM HIZMETLERI A 6849 1208 355 21 JSC "Ukrtelecom" 13188 1071 97 76 TOV "Bank-Inform" 31148 1056 46 24 Freenet Ltd. 8402 1020 544 15 OJSC "Vimpelcom" 12479 997 965 78 France Telecom Espana SA 8551 983 376 52 Bezeq International-Ltd 6830 913 2694 466 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 3370 539 153 Telmex Colombia S.A. 28573 2255 2167 126 NET Serviços de Comunicação S 8151 1834 3273 481 Uninet S.A. de C.V. 7303 1562 936 237 Telecom Argentina S.A. 6503 1401 445 57 Axtel, S.A.B. de C.V. 26615 1093 2325 35 Tim Celular S.A. 6147 1059 374 30 Telefonica del Peru S.A.A. 11830 999 364 24 Instituto Costarricense de El 7738 995 1882 41 Telemar Norte Leste S.A. 3816 947 436 160 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 910 1468 10 TE-AS 24863 805 281 37 Link Egypt (Link.NET) 36903 512 258 99 Office National des Postes et 36992 439 1229 32 ETISALAT MISR 37492 315 191 72 Orange Tunisie 24835 283 146 12 Vodafone Data 29571 247 21 13 Cote d'Ivoire Telecom 3741 226 854 188 Internet Solutions 36947 197 807 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 4538 5586 4192 76 China Education and Research 10620 3370 539 153 Telmex Colombia S.A. 22773 3186 2966 144 Cox Communications Inc. 4766 3005 11134 982 Korea Telecom 7545 2800 339 134 TPG Telecom Limited 17974 2709 908 90 PT Telekomunikasi Indonesia 6389 2696 3688 51 BellSouth.net Inc. 3356 2537 10710 506 Level 3 Communications, Inc. 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 28573 2255 2167 126 NET Serviços de Comunicação S 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 3370 3217 Telmex Colombia S.A. 22773 3186 3042 Cox Communications Inc. 7545 2800 2666 TPG Telecom Limited 6389 2696 2645 BellSouth.net Inc. 17974 2709 2619 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 28573 2255 2129 NET Serviços de Comunicação S 3356 2537 2031 Level 3 Communications, Inc. 4766 3005 2023 Korea Telecom 18566 2168 1903 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 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 27.50.10.0/24 55548 Ravibhawan 27.50.11.0/24 55548 Ravibhawan 27.100.7.0/24 56096 >>UNKNOWN<< 31.170.96.0/23 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 /8:18 /9:13 /10:36 /11:95 /12:262 /13:501 /14:1006 /15:1739 /16:12911 /17:7388 /18:12584 /19:26323 /20:37370 /21:39522 /22:61863 /23:54132 /24:305312 /25:852 /26:930 /27:493 /28:15 /29:14 /30:9 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2473 SaudiNet, Saudi Telecom Compa 22773 2394 3186 Cox Communications Inc. 18566 2075 2168 MegaPath Corporation 6389 1608 2696 BellSouth.net Inc. 30036 1414 1595 Mediacom Communications Corp 6983 1386 1737 EarthLink, Inc. 34984 1368 2048 TELLCOM ILETISIM HIZMETLERI A 10620 1246 3370 Telmex Colombia S.A. 11492 1134 1217 CABLE ONE, INC. 22561 1046 1373 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1594 2:688 4:97 5:1879 6:25 8:1395 12:1808 13:18 14:1432 15:17 16:2 17:50 18:22 20:50 23:1274 24:1740 27:2085 31:1607 32:34 33:2 34:4 35:6 36:154 37:2044 38:1062 39:15 40:72 41:2784 42:341 43:1517 44:31 45:1170 46:2349 47:57 49:992 50:803 52:23 54:85 55:6 56:4 57:43 58:1417 59:771 60:499 61:1791 62:1418 63:1897 64:4401 65:2237 66:3998 67:2074 68:1071 69:3252 70:1041 71:450 72:1979 74:2553 75:360 76:396 77:1369 78:1171 79:812 80:1357 81:1357 82:874 83:713 84:773 85:1388 86:450 87:1022 88:535 89:1932 90:149 91:6008 92:843 93:2286 94:2101 95:2161 96:434 97:348 98:958 99:55 100:74 101:852 103:8305 104:2004 105:76 106:347 107:1048 108:625 109:2140 110:1211 111:1456 112:825 113:1113 114:861 115:1343 116:1503 117:1097 118:1953 119:1478 120:466 121:1149 122:2176 123:1850 124:1545 125:1718 128:663 129:392 130:430 131:1257 132:534 133:166 134:421 135:103 136:346 137:320 138:1283 139:170 140:247 141:438 142:662 143:547 144:570 145:127 146:801 147:588 148:1271 149:433 150:601 151:799 152:529 153:256 154:498 155:883 156:423 157:422 158:346 159:1063 160:424 161:675 162:2126 163:461 164:693 165:853 166:302 167:871 168:1251 169:199 170:1399 171:251 172:273 173:1514 174:713 175:712 176:1464 177:3966 178:2225 179:993 180:1952 181:1550 182:1820 183:632 184:742 185:4303 186:2963 187:1856 188:2111 189:1683 190:7594 191:1155 192:8540 193:5660 194:4260 195:3679 196:1952 197:1080 198:5478 199:5517 200:6676 201:3311 202:9778 203:9202 204:4548 205:2738 206:3025 207:2996 208:4007 209:3895 210:3748 211:2055 212:2564 213:2227 214:864 215:73 216:5756 217:1795 218:796 219:532 220:1574 221:821 222:721 223:832 End of report
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