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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 26 20:12:33 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 27 Jun, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 550382 Prefixes after maximum aggregation (per Origin AS): 208414 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 267700 Total ASes present in the Internet Routing Table: 50752 Prefixes per ASN: 10.84 Origin-only ASes present in the Internet Routing Table: 36709 Origin ASes announcing only one prefix: 16258 Transit ASes present in the Internet Routing Table: 6327 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: 67 Max AS path prepend of ASN (197377) 50 Prefixes from unregistered ASNs in the Routing Table: 1233 Unregistered ASNs in the Routing Table: 424 Number of 32-bit ASNs allocated by the RIRs: 9984 Number of 32-bit ASNs visible in the Routing Table: 7716 Prefixes from 32-bit ASNs in the Routing Table: 28287 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 407 Number of addresses announced to Internet: 2782158752 Equivalent to 165 /8s, 212 /16s and 95 /24s Percentage of available address space announced: 75.1 Percentage of allocated address space announced: 75.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.4 Total number of prefixes smaller than registry allocations: 184409 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 135761 Total APNIC prefixes after maximum aggregation: 39420 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 142431 Unique aggregates announced from the APNIC address blocks: 57131 APNIC Region origin ASes present in the Internet Routing Table: 5073 APNIC Prefixes per ASN: 28.08 APNIC Region origin ASes announcing only one prefix: 1213 APNIC Region transit ASes present in the Internet Routing Table: 884 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: 1519 Number of APNIC addresses announced to Internet: 750638656 Equivalent to 44 /8s, 189 /16s and 214 /24s Percentage of available APNIC address space announced: 87.7 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: 180171 Total ARIN prefixes after maximum aggregation: 88106 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 182665 Unique aggregates announced from the ARIN address blocks: 85208 ARIN Region origin ASes present in the Internet Routing Table: 16611 ARIN Prefixes per ASN: 11.00 ARIN Region origin ASes announcing only one prefix: 6113 ARIN Region transit ASes present in the Internet Routing Table: 1734 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: 507 Number of ARIN addresses announced to Internet: 1101184800 Equivalent to 65 /8s, 162 /16s and 191 /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: 133456 Total RIPE prefixes after maximum aggregation: 66325 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 139963 Unique aggregates announced from the RIPE address blocks: 86694 RIPE Region origin ASes present in the Internet Routing Table: 17975 RIPE Prefixes per ASN: 7.79 RIPE Region origin ASes announcing only one prefix: 8125 RIPE Region transit ASes present in the Internet Routing Table: 2965 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3803 Number of RIPE addresses announced to Internet: 695997696 Equivalent to 41 /8s, 124 /16s and 21 /24s Percentage of available RIPE address space announced: 101.2 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: 60411 Total LACNIC prefixes after maximum aggregation: 11431 LACNIC Deaggregation factor: 5.28 Prefixes being announced from the LACNIC address blocks: 71086 Unique aggregates announced from the LACNIC address blocks: 33061 LACNIC Region origin ASes present in the Internet Routing Table: 2439 LACNIC Prefixes per ASN: 29.15 LACNIC Region origin ASes announcing only one prefix: 611 LACNIC Region transit ASes present in the Internet Routing Table: 505 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1759 Number of LACNIC addresses announced to Internet: 168135232 Equivalent to 10 /8s, 5 /16s and 138 /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: 12036 Total AfriNIC prefixes after maximum aggregation: 3083 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 13830 Unique aggregates announced from the AfriNIC address blocks: 5237 AfriNIC Region origin ASes present in the Internet Routing Table: 739 AfriNIC Prefixes per ASN: 18.71 AfriNIC Region origin ASes announcing only one prefix: 196 AfriNIC Region transit ASes present in the Internet Routing Table: 158 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: 128 Number of AfriNIC addresses announced to Internet: 65711360 Equivalent to 3 /8s, 234 /16s and 173 /24s Percentage of available AfriNIC address space announced: 65.3 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 2952 11304 938 Korea Telecom 17974 2698 904 78 PT Telekomunikasi Indonesia 7545 2606 336 129 TPG Telecom Limited 4755 2026 423 222 TATA Communications formerly 4538 1936 4190 71 China Education and Research 9829 1764 1353 122 National Internet Backbone 9808 1551 8717 28 Guangdong Mobile Communicatio 9583 1491 118 567 Sify Limited 4808 1453 2239 464 CNCGROUP IP network China169 9498 1355 336 106 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 3182 2960 141 Cox Communications Inc. 6389 2792 3688 51 BellSouth.net Inc. 3356 2584 10688 502 Level 3 Communications, Inc. 18566 2054 380 195 MegaPath Corporation 20115 1865 1855 416 Charter Communications 6983 1750 850 244 EarthLink, Inc. 4323 1605 1022 411 tw telecom holdings, inc. 30036 1565 320 443 Mediacom Communications Corp 701 1393 11371 676 MCI Communications Services, 22561 1383 415 257 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 2138 305 364 TELLCOM ILETISIM HIZMETLERI A 20940 1980 771 1444 Akamai International B.V. 6849 1209 355 21 JSC "Ukrtelecom" 13188 1052 97 73 TOV "Bank-Inform" 31148 1048 45 23 Freenet Ltd. 8402 996 544 15 OJSC "Vimpelcom" 12479 950 869 74 France Telecom Espana SA 6830 912 2694 468 Liberty Global Operations B.V 8551 883 376 53 Bezeq International-Ltd 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 3256 532 238 Telmex Colombia S.A. 28573 2285 2170 113 NET Serviços de Comunicação S 8151 1695 3249 471 Uninet S.A. de C.V. 7303 1633 1005 238 Telecom Argentina S.A. 6147 1568 372 43 Telefonica del Peru S.A.A. 6503 1267 421 55 Axtel, S.A.B. de C.V. 26615 1077 2325 35 Tim Celular S.A. 7738 999 1882 41 Telemar Norte Leste S.A. 3816 951 428 161 COLOMBIA TELECOMUNICACIONES S 11830 892 364 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 876 280 26 Link Egypt (Link.NET) 8452 816 958 13 TE-AS 36903 511 257 103 Office National des Postes et 36992 423 1229 32 ETISALAT MISR 37492 312 175 71 Orange Tunisie 24835 304 146 12 Vodafone Data 3741 250 857 208 Internet Solutions 29571 242 21 13 Cote d'Ivoire Telecom 37054 199 20 7 Data Telecom Service 36947 191 807 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 3256 532 238 Telmex Colombia S.A. 22773 3182 2960 141 Cox Communications Inc. 4766 2952 11304 938 Korea Telecom 6389 2792 3688 51 BellSouth.net Inc. 17974 2698 904 78 PT Telekomunikasi Indonesia 7545 2606 336 129 TPG Telecom Limited 3356 2584 10688 502 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2285 2170 113 NET Serviços de Comunicação S 34984 2138 305 364 TELLCOM ILETISIM HIZMETLERI A 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 3182 3041 Cox Communications Inc. 6389 2792 2741 BellSouth.net Inc. 17974 2698 2620 PT Telekomunikasi Indonesia 7545 2606 2477 TPG Telecom Limited 39891 2472 2466 SaudiNet, Saudi Telecom Compa 28573 2285 2172 NET Serviços de Comunicação S 3356 2584 2082 Level 3 Communications, Inc. 4766 2952 2014 Korea Telecom 4538 1936 1865 China Education and Research 18566 2054 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 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<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.3.0/24 37004 >>UNKNOWN<< 41.73.4.0/24 37004 >>UNKNOWN<< 41.73.5.0/24 37004 >>UNKNOWN<< 41.73.6.0/24 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 /8:17 /9:13 /10:36 /11:96 /12:263 /13:507 /14:1005 /15:1728 /16:12931 /17:7274 /18:12335 /19:25537 /20:36099 /21:38850 /22:60283 /23:52221 /24:298188 /25:1098 /26:1139 /27:714 /28:14 /29:12 /30:7 /31:0 /32:15 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2382 3182 Cox Communications Inc. 18566 2003 2054 MegaPath Corporation 6389 1640 2792 BellSouth.net Inc. 6983 1397 1750 EarthLink, Inc. 34984 1395 2138 TELLCOM ILETISIM HIZMETLERI A 30036 1389 1565 Mediacom Communications Corp 10620 1146 3256 Telmex Colombia S.A. 6147 1122 1568 Telefonica del Peru S.A.A. 11492 1108 1191 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1498 2:682 4:93 5:1865 6:25 8:1408 11:1 12:1822 13:14 14:1380 15:16 16:2 17:43 18:22 20:48 23:1248 24:1735 27:1936 31:1589 32:38 33:2 34:4 35:3 36:137 37:2000 38:1045 39:6 40:83 41:2705 42:298 43:1343 44:28 45:831 46:2296 47:45 49:905 50:809 52:12 54:77 55:4 56:6 57:42 58:1323 59:715 60:480 61:1745 62:1353 63:1915 64:4474 65:2268 66:4047 67:2076 68:1065 69:3250 70:1024 71:448 72:1964 74:2663 75:336 76:424 77:1260 78:1166 79:788 80:1350 81:1294 82:846 83:723 84:722 85:1398 86:428 87:1045 88:533 89:1870 90:152 91:6008 92:869 93:2245 94:2055 95:2177 96:426 97:349 98:1055 99:53 100:72 101:845 103:7713 104:1843 105:61 106:237 107:991 108:631 109:2080 110:1134 111:1440 112:827 113:1100 114:832 115:1279 116:1393 117:1056 118:1844 119:1454 120:444 121:1091 122:2148 123:1844 124:1524 125:1618 128:624 129:390 130:410 131:1217 132:503 133:177 134:403 135:95 136:331 137:320 138:915 139:152 140:237 141:445 142:666 143:497 144:550 145:124 146:739 147:588 148:1217 149:416 150:559 151:670 152:521 153:247 154:481 155:867 156:433 157:419 158:344 159:1008 160:385 161:661 162:1956 163:438 164:686 165:694 166:314 167:837 168:1319 169:181 170:1466 171:245 172:248 173:1544 174:719 175:700 176:1361 177:3747 178:2155 179:940 180:1934 181:1683 182:1805 183:624 184:760 185:3738 186:2762 187:1770 188:2049 189:1591 190:7827 191:1022 192:8488 193:5624 194:4179 195:3693 196:1980 197:968 198:5539 199:5494 200:6663 201:3250 202:9461 203:9131 204:4706 205:2840 206:3053 207:2970 208:3989 209:3969 210:3546 211:1867 212:2551 213:2369 214:841 215:73 216:5744 217:1815 218:705 219:463 220:1453 221:786 222:477 223:746 End of report
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