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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 14 19:12:04 CET 2014
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 15 Nov, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 523387 Prefixes after maximum aggregation: 200080 Deaggregation factor: 2.62 Unique aggregates announced to Internet: 254079 Total ASes present in the Internet Routing Table: 48571 Prefixes per ASN: 10.78 Origin-only ASes present in the Internet Routing Table: 36287 Origin ASes announcing only one prefix: 16326 Transit ASes present in the Internet Routing Table: 6207 Transit-only ASes present in the Internet Routing Table: 172 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 78 Max AS path prepend of ASN ( 55644) 71 Prefixes from unregistered ASNs in the Routing Table: 1609 Unregistered ASNs in the Routing Table: 432 Number of 32-bit ASNs allocated by the RIRs: 7908 Number of 32-bit ASNs visible in the Routing Table: 6077 Prefixes from 32-bit ASNs in the Routing Table: 21732 Number of bogon 32-bit ASNs visible in the Routing Table: 2 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 385 Number of addresses announced to Internet: 2713710468 Equivalent to 161 /8s, 191 /16s and 239 /24s Percentage of available address space announced: 73.3 Percentage of allocated address space announced: 73.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.9 Total number of prefixes smaller than registry allocations: 176898 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 133068 Total APNIC prefixes after maximum aggregation: 37013 APNIC Deaggregation factor: 3.60 Prefixes being announced from the APNIC address blocks: 137428 Unique aggregates announced from the APNIC address blocks: 53664 APNIC Region origin ASes present in the Internet Routing Table: 4988 APNIC Prefixes per ASN: 27.55 APNIC Region origin ASes announcing only one prefix: 1204 APNIC Region transit ASes present in the Internet Routing Table: 864 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 78 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1169 Number of APNIC addresses announced to Internet: 737090368 Equivalent to 43 /8s, 239 /16s and 27 /24s Percentage of available APNIC address space announced: 86.1 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: 171939 Total ARIN prefixes after maximum aggregation: 85566 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 173830 Unique aggregates announced from the ARIN address blocks: 81757 ARIN Region origin ASes present in the Internet Routing Table: 16398 ARIN Prefixes per ASN: 10.60 ARIN Region origin ASes announcing only one prefix: 6088 ARIN Region transit ASes present in the Internet Routing Table: 1705 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 257 Number of ARIN addresses announced to Internet: 1053686464 Equivalent to 62 /8s, 205 /16s and 250 /24s Percentage of available ARIN address space announced: 55.7 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: 125891 Total RIPE prefixes after maximum aggregation: 63703 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 131484 Unique aggregates announced from the RIPE address blocks: 82809 RIPE Region origin ASes present in the Internet Routing Table: 17803 RIPE Prefixes per ASN: 7.39 RIPE Region origin ASes announcing only one prefix: 8184 RIPE Region transit ASes present in the Internet Routing Table: 2931 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: 3196 Number of RIPE addresses announced to Internet: 691635332 Equivalent to 41 /8s, 57 /16s and 132 /24s Percentage of available RIPE address space announced: 100.5 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: 58329 Total LACNIC prefixes after maximum aggregation: 10882 LACNIC Deaggregation factor: 5.36 Prefixes being announced from the LACNIC address blocks: 67079 Unique aggregates announced from the LACNIC address blocks: 30727 LACNIC Region origin ASes present in the Internet Routing Table: 2370 LACNIC Prefixes per ASN: 28.30 LACNIC Region origin ASes announcing only one prefix: 643 LACNIC Region transit ASes present in the Internet Routing Table: 472 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1391 Number of LACNIC addresses announced to Internet: 167846400 Equivalent to 10 /8s, 1 /16s and 34 /24s Percentage of available LACNIC address space announced: 100.0 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: 12329 Total AfriNIC prefixes after maximum aggregation: 2872 AfriNIC Deaggregation factor: 4.29 Prefixes being announced from the AfriNIC address blocks: 13181 Unique aggregates announced from the AfriNIC address blocks: 4778 AfriNIC Region origin ASes present in the Internet Routing Table: 733 AfriNIC Prefixes per ASN: 17.98 AfriNIC Region origin ASes announcing only one prefix: 207 AfriNIC Region transit ASes present in the Internet Routing Table: 152 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: 64 Number of AfriNIC addresses announced to Internet: 60012544 Equivalent to 3 /8s, 147 /16s and 184 /24s Percentage of available AfriNIC address space announced: 59.6 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 5620 4190 71 China Education and Research 4766 2962 11585 932 Korea Telecom 17974 2841 903 77 PT Telekomunikasi Indonesia 7545 2458 336 126 TPG Telecom Limited 4755 1923 412 190 TATA Communications formerly 9829 1670 1322 37 National Internet Backbone 4812 1522 2098 110 China Telecom (Group) 9808 1487 6655 16 Guangdong Mobile Communicatio 4808 1425 2213 427 CNCGROUP IP network China169 9583 1362 112 561 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 6389 2894 3688 51 BellSouth.net Inc. 22773 2838 2956 144 Cox Communications Inc. 18566 2045 379 184 MegaPath Corporation 20115 1821 1796 479 Charter Communications 7029 1711 2180 363 Windstream Communications Inc 4323 1640 1052 412 tw telecom holdings, inc. 6983 1595 867 250 ITC^Deltacom 30036 1494 311 604 Mediacom Communications Corp 701 1430 11266 710 MCI Communications Services, 22561 1314 409 242 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 34984 1839 296 355 TELLCOM ILETISIM HIZMETLERI A 20940 1502 582 1107 Akamai International B.V. 8402 1343 544 15 OJSC "Vimpelcom" 31148 1045 45 21 Freenet Ltd. 13188 1018 99 38 TOV "Bank-Inform" 8551 948 373 43 Bezeq International-Ltd 6849 828 356 26 JSC "Ukrtelecom" 9198 803 346 32 JSC Kazakhtelecom 6830 795 2339 438 Liberty Global Operations B.V 12479 767 785 96 France Telecom Espana SA 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 3034 492 244 Telmex Colombia S.A. 28573 2450 2256 111 NET Serviços de Comunicação S 7303 1766 1171 241 Telecom Argentina S.A. 8151 1475 3015 428 Uninet S.A. de C.V. 6147 1368 374 30 Telefonica del Peru S.A.A. 6503 1133 433 58 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 27947 916 130 52 Telconet S.A 26615 914 2325 35 Tim Celular S.A. 3816 891 383 151 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 1399 958 13 TE-AS 24863 956 280 26 Link Egypt (Link.NET) 6713 586 762 34 Office National des Postes et 36992 359 824 29 ETISALAT MISR 24835 308 144 9 Vodafone Data 37492 280 125 63 Orange Tunisie 3741 249 920 212 Internet Solutions 29571 245 22 17 Cote d'Ivoire Telecom 37054 242 19 6 Data Telecom Service 37457 187 161 7 Telkom SA Ltd. 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 5620 4190 71 China Education and Research 10620 3034 492 244 Telmex Colombia S.A. 4766 2962 11585 932 Korea Telecom 6389 2894 3688 51 BellSouth.net Inc. 17974 2841 903 77 PT Telekomunikasi Indonesia 22773 2838 2956 144 Cox Communications Inc. 7545 2458 336 126 TPG Telecom Limited 28573 2450 2256 111 NET Serviços de Comunicação S 18566 2045 379 184 MegaPath Corporation 4755 1923 412 190 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 2894 2843 BellSouth.net Inc. 10620 3034 2790 Telmex Colombia S.A. 17974 2841 2764 PT Telekomunikasi Indonesia 22773 2838 2694 Cox Communications Inc. 28573 2450 2339 NET Serviços de Comunicação S 7545 2458 2332 TPG Telecom Limited 4766 2962 2030 Korea Telecom 18566 2045 1861 MegaPath Corporation 4755 1923 1733 TATA Communications formerly 9829 1670 1633 National Internet Backbone 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 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 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 Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 23.252.224.0/20 62502 Xnet Media LLC 23.252.224.0/21 62502 Xnet Media LLC 23.252.232.0/21 62502 Xnet Media LLC 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.16.88.0/23 57652 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 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 /10:31 /11:90 /12:262 /13:500 /14:1010 /15:1721 /16:13041 /17:7247 /18:12079 /19:25517 /20:36643 /21:37904 /22:55948 /23:48983 /24:279399 /25:1127 /26:1094 /27:705 /28:15 /29:19 /30:11 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2056 2838 Cox Communications Inc. 18566 2000 2045 MegaPath Corporation 6389 1674 2894 BellSouth.net Inc. 30036 1340 1494 Mediacom Communications Corp 6983 1279 1595 ITC^Deltacom 34984 1162 1839 TELLCOM ILETISIM HIZMETLERI A 11492 1161 1214 CABLE ONE, INC. 10620 1074 3034 Telmex Colombia S.A. 8402 1008 1343 OJSC "Vimpelcom" 22561 1005 1314 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1353 2:681 3:3 4:16 5:1180 6:22 8:769 12:1850 13:4 14:1192 15:17 16:2 17:42 18:21 20:51 23:961 24:1758 27:1816 31:1352 32:39 33:2 34:5 36:161 37:1823 38:1012 39:15 40:236 41:2984 42:283 43:633 44:20 45:81 46:2106 47:30 49:758 50:808 52:12 54:59 55:6 56:8 57:32 58:1203 59:720 60:442 61:1732 62:1310 63:1841 64:4425 65:2281 66:4171 67:2030 68:1087 69:3261 70:885 71:458 72:1989 74:2633 75:363 76:410 77:1621 78:916 79:779 80:1324 81:1286 82:811 83:665 84:718 85:1358 86:419 87:1170 88:504 89:1805 90:140 91:5869 92:801 93:1665 94:1930 95:1295 96:416 97:342 98:1071 99:48 100:67 101:754 103:6077 104:563 105:160 106:188 107:712 108:607 109:1982 110:1068 111:1435 112:741 113:917 114:805 115:1222 116:1244 117:1007 118:1603 119:1368 120:446 121:1023 122:2217 123:1697 124:1476 125:1601 128:656 129:389 130:380 131:950 132:427 133:164 134:320 135:82 136:326 137:307 138:387 139:199 140:228 141:422 142:599 143:452 144:504 145:111 146:688 147:561 148:1042 149:413 150:517 151:651 152:479 153:242 154:415 155:631 156:379 157:331 158:281 159:926 160:334 161:622 162:1826 163:371 164:648 165:670 166:309 167:693 168:1115 169:122 170:1430 171:215 172:60 173:1613 174:713 175:581 176:1525 177:3745 178:2108 179:796 180:1812 181:1585 182:1669 183:565 184:707 185:2333 186:2975 187:1655 188:2018 189:1503 190:7709 191:799 192:7785 193:5553 194:4050 195:3629 196:1653 197:817 198:5335 199:5485 200:6495 201:2887 202:9677 203:8991 204:4673 205:2671 206:3036 207:2956 208:3936 209:3817 210:3660 211:2036 212:2480 213:2184 214:843 215:86 216:5645 217:1713 218:716 219:550 220:1303 221:773 222:687 223:615 End of report
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