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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jul 31 20:12:17 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 01 Aug, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 553519 Prefixes after maximum aggregation (per Origin AS): 209389 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 270136 Total ASes present in the Internet Routing Table: 51034 Prefixes per ASN: 10.85 Origin-only ASes present in the Internet Routing Table: 36679 Origin ASes announcing only one prefix: 16170 Transit ASes present in the Internet Routing Table: 6353 Transit-only ASes present in the Internet Routing Table: 174 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 39 Max AS path prepend of ASN ( 12486) 32 Prefixes from unregistered ASNs in the Routing Table: 1159 Unregistered ASNs in the Routing Table: 426 Number of 32-bit ASNs allocated by the RIRs: 10415 Number of 32-bit ASNs visible in the Routing Table: 8002 Prefixes from 32-bit ASNs in the Routing Table: 29602 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 410 Number of addresses announced to Internet: 2791199648 Equivalent to 166 /8s, 94 /16s and 83 /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: 185310 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 136680 Total APNIC prefixes after maximum aggregation: 39845 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 143686 Unique aggregates announced from the APNIC address blocks: 58429 APNIC Region origin ASes present in the Internet Routing Table: 5074 APNIC Prefixes per ASN: 28.32 APNIC Region origin ASes announcing only one prefix: 1198 APNIC Region transit ASes present in the Internet Routing Table: 884 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1571 Number of APNIC addresses announced to Internet: 751597504 Equivalent to 44 /8s, 204 /16s and 119 /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: 179814 Total ARIN prefixes after maximum aggregation: 87974 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 182558 Unique aggregates announced from the ARIN address blocks: 85393 ARIN Region origin ASes present in the Internet Routing Table: 16588 ARIN Prefixes per ASN: 11.01 ARIN Region origin ASes announcing only one prefix: 6080 ARIN Region transit ASes present in the Internet Routing Table: 1738 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: 578 Number of ARIN addresses announced to Internet: 1103165216 Equivalent to 65 /8s, 192 /16s and 247 /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: 134321 Total RIPE prefixes after maximum aggregation: 66885 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 140959 Unique aggregates announced from the RIPE address blocks: 87426 RIPE Region origin ASes present in the Internet Routing Table: 17962 RIPE Prefixes per ASN: 7.85 RIPE Region origin ASes announcing only one prefix: 8070 RIPE Region transit ASes present in the Internet Routing Table: 2983 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3894 Number of RIPE addresses announced to Internet: 698726016 Equivalent to 41 /8s, 165 /16s and 182 /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: 60698 Total LACNIC prefixes after maximum aggregation: 11561 LACNIC Deaggregation factor: 5.25 Prefixes being announced from the LACNIC address blocks: 71801 Unique aggregates announced from the LACNIC address blocks: 33250 LACNIC Region origin ASes present in the Internet Routing Table: 2461 LACNIC Prefixes per ASN: 29.18 LACNIC Region origin ASes announcing only one prefix: 622 LACNIC Region transit ASes present in the Internet Routing Table: 511 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1821 Number of LACNIC addresses announced to Internet: 168845888 Equivalent to 10 /8s, 16 /16s and 98 /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: 12217 Total AfriNIC prefixes after maximum aggregation: 3075 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 14105 Unique aggregates announced from the AfriNIC address blocks: 5270 AfriNIC Region origin ASes present in the Internet Routing Table: 740 AfriNIC Prefixes per ASN: 19.06 AfriNIC Region origin ASes announcing only one prefix: 200 AfriNIC Region transit ASes present in the Internet Routing Table: 164 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: 138 Number of AfriNIC addresses announced to Internet: 68403712 Equivalent to 4 /8s, 19 /16s and 194 /24s Percentage of available AfriNIC address space announced: 68.0 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 4766 2964 11298 949 Korea Telecom 17974 2702 904 80 PT Telekomunikasi Indonesia 7545 2587 339 137 TPG Telecom Limited 4755 2028 426 225 TATA Communications formerly 4538 1949 4190 71 China Education and Research 9829 1835 1367 179 National Internet Backbone 9808 1582 8717 29 Guangdong Mobile Communicatio 9583 1517 119 570 Sify Limited 4808 1483 2248 469 CNCGROUP IP network China169 9498 1363 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 2554 10710 514 Level 3 Communications, Inc. 18566 2068 381 203 MegaPath Corporation 20115 1874 1847 409 Charter Communications 6983 1751 851 245 EarthLink, Inc. 4323 1608 1022 416 tw telecom holdings, inc. 30036 1579 321 447 Mediacom Communications Corp 701 1403 11376 683 MCI Communications Services, 22561 1376 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 2055 809 1487 Akamai International B.V. 34984 2047 306 375 TELLCOM ILETISIM HIZMETLERI A 6849 1209 355 21 JSC "Ukrtelecom" 8551 1101 376 52 Bezeq International-Ltd 13188 1068 97 77 TOV "Bank-Inform" 31148 1058 46 26 Freenet Ltd. 8402 971 544 15 OJSC "Vimpelcom" 12479 971 933 77 France Telecom Espana SA 6830 916 2696 469 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 3321 536 183 Telmex Colombia S.A. 28573 2304 2171 111 NET Serviços de Comunicação S 8151 1671 3256 483 Uninet S.A. de C.V. 7303 1635 1009 240 Telecom Argentina S.A. 6147 1444 374 30 Telefonica del Peru S.A.A. 6503 1266 421 55 Axtel, S.A.B. de C.V. 26615 1112 2325 35 Tim Celular S.A. 7738 995 1882 41 Telemar Norte Leste S.A. 3816 955 430 163 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 887 280 26 Link Egypt (Link.NET) 8452 848 1470 14 TE-AS 36903 512 258 99 Office National des Postes et 36992 442 1229 32 ETISALAT MISR 37492 314 175 71 Orange Tunisie 24835 306 146 12 Vodafone Data 3741 252 857 208 Internet Solutions 29571 247 21 13 Cote d'Ivoire Telecom 37054 189 20 7 Data Telecom Service 36947 175 807 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 3321 536 183 Telmex Colombia S.A. 22773 3180 2961 138 Cox Communications Inc. 4766 2964 11298 949 Korea Telecom 6389 2734 3688 51 BellSouth.net Inc. 17974 2702 904 80 PT Telekomunikasi Indonesia 7545 2587 339 137 TPG Telecom Limited 3356 2554 10710 514 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2304 2171 111 NET Serviços de Comunicação S 18566 2068 381 203 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 2702 2622 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 7545 2587 2450 TPG Telecom Limited 28573 2304 2193 NET Serviços de Comunicação S 3356 2554 2040 Level 3 Communications, Inc. 4766 2964 2015 Korea Telecom 4538 1949 1878 China Education and Research 18566 2068 1865 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 100.66.34.0/24 31148 Freenet Ltd. 100.66.35.0/24 31148 Freenet Ltd. 100.67.26.0/24 31148 Freenet 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 /13:505 /14:1004 /15:1728 /16:12895 /17:7275 /18:12349 /19:25526 /20:36065 /21:38750 /22:60524 /23:53004 /24:300407 /25:1136 /26:1157 /27:715 /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 2010 2068 MegaPath Corporation 6389 1619 2734 BellSouth.net Inc. 30036 1400 1579 Mediacom Communications Corp 6983 1397 1751 EarthLink, Inc. 34984 1351 2047 TELLCOM ILETISIM HIZMETLERI A 10620 1194 3321 Telmex Colombia S.A. 11492 1124 1208 CABLE ONE, INC. 22561 1049 1376 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1523 2:690 4:96 5:1882 6:25 8:1384 12:1811 13:14 14:1321 15:17 16:2 17:42 18:22 20:49 23:1259 24:1767 27:1976 31:1571 32:37 33:2 34:4 35:3 36:158 37:2014 38:1038 39:14 40:69 41:2754 42:297 43:1379 44:30 45:891 46:2323 47:51 49:928 50:784 52:12 54:86 55:5 56:6 57:43 58:1352 59:713 60:479 61:1759 62:1380 63:1905 64:4432 65:2260 66:4028 67:2079 68:1062 69:3238 70:1027 71:450 72:1965 74:2598 75:356 76:387 77:1286 78:1167 79:812 80:1363 81:1319 82:854 83:720 84:795 85:1361 86:445 87:1044 88:537 89:1936 90:147 91:5997 92:849 93:2278 94:2033 95:2193 96:423 97:348 98:1021 99:55 100:78 101:847 103:7906 104:2019 105:62 106:340 107:1042 108:626 109:2108 110:1150 111:1450 112:819 113:1105 114:839 115:1265 116:1461 117:1068 118:1804 119:1460 120:451 121:1140 122:2161 123:1842 124:1519 125:1611 128:634 129:399 130:416 131:1225 132:518 133:171 134:406 135:97 136:333 137:327 138:1058 139:150 140:238 141:502 142:663 143:512 144:548 145:125 146:796 147:580 148:1230 149:419 150:567 151:643 152:524 153:254 154:477 155:885 156:425 157:420 158:356 159:1022 160:409 161:665 162:1999 163:441 164:696 165:703 166:299 167:843 168:1242 169:187 170:1473 171:253 172:272 173:1533 174:721 175:696 176:1428 177:3834 178:2172 179:947 180:1935 181:1630 182:1802 183:628 184:758 185:3980 186:2890 187:1772 188:2080 189:1609 190:7705 191:1107 192:8531 193:5652 194:4223 195:3642 196:1999 197:1034 198:5551 199:5508 200:6670 201:3295 202:9503 203:9161 204:4691 205:2838 206:3020 207:2990 208:3983 209:3925 210:3566 211:1919 212:2541 213:2252 214:844 215:71 216:5743 217:1843 218:732 219:468 220:1480 221:816 222:471 223:811 End of report
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