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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Feb 6 19:12:34 CET 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 07 Feb, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 531413 Prefixes after maximum aggregation (per Origin AS): 203223 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 258742 Total ASes present in the Internet Routing Table: 49323 Prefixes per ASN: 10.77 Origin-only ASes present in the Internet Routing Table: 36426 Origin ASes announcing only one prefix: 16291 Transit ASes present in the Internet Routing Table: 6256 Transit-only ASes present in the Internet Routing Table: 171 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 108 Max AS path prepend of ASN ( 60548) 101 Prefixes from unregistered ASNs in the Routing Table: 1729 Unregistered ASNs in the Routing Table: 422 Number of 32-bit ASNs allocated by the RIRs: 8523 Number of 32-bit ASNs visible in the Routing Table: 6641 Prefixes from 32-bit ASNs in the Routing Table: 24025 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 366 Number of addresses announced to Internet: 2723652128 Equivalent to 162 /8s, 87 /16s and 162 /24s Percentage of available address space announced: 73.6 Percentage of allocated address space announced: 73.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.2 Total number of prefixes smaller than registry allocations: 180263 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 131329 Total APNIC prefixes after maximum aggregation: 38230 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 136555 Unique aggregates announced from the APNIC address blocks: 55629 APNIC Region origin ASes present in the Internet Routing Table: 5025 APNIC Prefixes per ASN: 27.18 APNIC Region origin ASes announcing only one prefix: 1231 APNIC Region transit ASes present in the Internet Routing Table: 882 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 107 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1290 Number of APNIC addresses announced to Internet: 741427840 Equivalent to 44 /8s, 49 /16s and 74 /24s Percentage of available APNIC address space announced: 86.7 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: 175419 Total ARIN prefixes after maximum aggregation: 86719 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 177355 Unique aggregates announced from the ARIN address blocks: 83028 ARIN Region origin ASes present in the Internet Routing Table: 16477 ARIN Prefixes per ASN: 10.76 ARIN Region origin ASes announcing only one prefix: 6085 ARIN Region transit ASes present in the Internet Routing Table: 1723 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 21 Number of ARIN region 32-bit ASNs visible in the Routing Table: 338 Number of ARIN addresses announced to Internet: 1060286496 Equivalent to 63 /8s, 50 /16s and 176 /24s Percentage of available ARIN address space announced: 56.1 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, 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: 129626 Total RIPE prefixes after maximum aggregation: 64254 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 135915 Unique aggregates announced from the RIPE address blocks: 83195 RIPE Region origin ASes present in the Internet Routing Table: 17842 RIPE Prefixes per ASN: 7.62 RIPE Region origin ASes announcing only one prefix: 8129 RIPE Region transit ASes present in the Internet Routing Table: 2942 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 108 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3422 Number of RIPE addresses announced to Internet: 692703616 Equivalent to 41 /8s, 73 /16s and 209 /24s Percentage of available RIPE address space announced: 100.7 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, 196608-202239 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: 58338 Total LACNIC prefixes after maximum aggregation: 11023 LACNIC Deaggregation factor: 5.29 Prefixes being announced from the LACNIC address blocks: 67733 Unique aggregates announced from the LACNIC address blocks: 31528 LACNIC Region origin ASes present in the Internet Routing Table: 2402 LACNIC Prefixes per ASN: 28.20 LACNIC Region origin ASes announcing only one prefix: 639 LACNIC Region transit ASes present in the Internet Routing Table: 482 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1502 Number of LACNIC addresses announced to Internet: 167694592 Equivalent to 9 /8s, 254 /16s and 209 /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: 12498 Total AfriNIC prefixes after maximum aggregation: 2953 AfriNIC Deaggregation factor: 4.23 Prefixes being announced from the AfriNIC address blocks: 13489 Unique aggregates announced from the AfriNIC address blocks: 5037 AfriNIC Region origin ASes present in the Internet Routing Table: 735 AfriNIC Prefixes per ASN: 18.35 AfriNIC Region origin ASes announcing only one prefix: 207 AfriNIC Region transit ASes present in the Internet Routing Table: 156 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 89 Number of AfriNIC addresses announced to Internet: 61107456 Equivalent to 3 /8s, 164 /16s and 109 /24s Percentage of available AfriNIC address space announced: 60.7 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 2882 11553 912 Korea Telecom 17974 2823 904 77 PT Telekomunikasi Indonesia 7545 2506 336 127 TPG Telecom Limited 4755 1973 421 202 TATA Communications formerly 4538 1758 4190 71 China Education and Research 9829 1686 1325 36 National Internet Backbone 9808 1527 6719 19 Guangdong Mobile Communicatio 4808 1460 2218 436 CNCGROUP IP network China169 9583 1392 115 572 Sify Limited 9498 1296 336 97 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 2980 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 3356 2566 10683 471 Level 3 Communications, Inc. 18566 2042 379 183 MegaPath Corporation 20115 1853 1827 447 Charter Communications 6983 1622 866 244 EarthLink, Inc. 4323 1621 1037 406 tw telecom holdings, inc. 30036 1543 322 497 Mediacom Communications Corp 701 1392 11268 679 MCI Communications Services, 22561 1331 411 240 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 1968 301 355 TELLCOM ILETISIM HIZMETLERI A 20940 1553 605 1159 Akamai International B.V. 8402 1373 544 15 OJSC "Vimpelcom" 6849 1233 356 25 JSC "Ukrtelecom" 31148 1045 45 21 Freenet Ltd. 13188 1040 97 60 TOV "Bank-Inform" 8551 901 373 48 Bezeq International-Ltd 9198 848 349 25 JSC Kazakhtelecom 12479 848 793 85 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 3049 498 262 Telmex Colombia S.A. 28573 2343 2141 111 NET Serviços de Comunicação S 7303 1771 1173 234 Telecom Argentina S.A. 6147 1713 374 30 Telefonica del Peru S.A.A. 8151 1515 3113 430 Uninet S.A. de C.V. 6503 1227 421 57 Axtel, S.A.B. de C.V. 7738 1001 1882 42 Telemar Norte Leste S.A. 26615 920 2325 35 Tim Celular S.A. 3816 908 395 150 COLOMBIA TELECOMUNICACIONES S 18881 862 1037 23 Global Village Telecom 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 1537 958 13 TE-AS 24863 958 284 26 Link Egypt (Link.NET) 36903 479 241 90 Office National des Postes et 36992 373 845 30 ETISALAT MISR 37492 324 144 64 Orange Tunisie 24835 295 144 9 Vodafone Data 3741 250 921 209 Internet Solutions 29571 234 21 12 Cote d'Ivoire Telecom 36947 197 807 13 Telecom Algeria 15706 176 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 10620 3049 498 262 Telmex Colombia S.A. 22773 2980 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 4766 2882 11553 912 Korea Telecom 17974 2823 904 77 PT Telekomunikasi Indonesia 3356 2566 10683 471 Level 3 Communications, Inc. 7545 2506 336 127 TPG Telecom Limited 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2343 2141 111 NET Serviços de Comunicação S 18566 2042 379 183 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 6389 2891 2840 BellSouth.net Inc. 22773 2980 2839 Cox Communications Inc. 17974 2823 2746 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 7545 2506 2379 TPG Telecom Limited 28573 2343 2232 NET Serviços de Comunicação S 3356 2566 2095 Level 3 Communications, Inc. 4766 2882 1970 Korea Telecom 18566 2042 1859 MegaPath Corporation 4755 1973 1771 TATA Communications formerly 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 23.92.160.0/24 14013 EPSON America (Factory Automa 23.92.161.0/24 14013 EPSON America (Factory Automa 23.252.224.0/20 62502 >>UNKNOWN<< 23.252.224.0/21 62502 >>UNKNOWN<< 23.252.232.0/21 62502 >>UNKNOWN<< 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<< 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 /10:32 /11:92 /12:264 /13:504 /14:996 /15:1718 /16:12968 /17:7125 /18:12114 /19:25000 /20:35654 /21:38441 /22:57531 /23:50240 /24:285716 /25:1166 /26:1095 /27:680 /28:17 /29:12 /30:7 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2197 2980 Cox Communications Inc. 18566 1997 2042 MegaPath Corporation 6389 1671 2891 BellSouth.net Inc. 30036 1388 1543 Mediacom Communications Corp 6983 1313 1622 EarthLink, Inc. 34984 1271 1968 TELLCOM ILETISIM HIZMETLERI A 6147 1257 1713 Telefonica del Peru S.A.A. 11492 1131 1189 CABLE ONE, INC. 10620 1074 3049 Telmex Colombia S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1477 2:665 3:1 4:97 5:1732 6:21 8:1407 12:1843 13:4 14:1258 15:17 16:2 17:40 20:48 23:1130 24:1677 27:1857 31:1472 32:39 33:2 34:5 35:2 36:121 37:1906 38:990 39:10 40:233 41:3023 42:262 43:1007 44:23 45:109 46:2104 47:34 49:787 50:791 52:12 54:66 55:4 56:8 57:32 58:1202 59:679 60:457 61:1762 62:1304 63:1905 64:4415 65:2255 66:4083 67:2017 68:1042 69:3276 70:939 71:432 72:1952 74:2611 75:314 76:409 77:1482 78:1281 79:786 80:1313 81:1318 82:814 83:678 84:674 85:1325 86:379 87:1071 88:516 89:1755 90:139 91:5892 92:802 93:2222 94:1941 95:2076 96:425 97:337 98:1053 99:47 100:69 101:788 103:6646 104:1192 105:62 106:204 107:883 108:608 109:2013 110:1074 111:1463 112:753 113:1021 114:839 115:1253 116:1322 117:1027 118:1695 119:1422 120:451 121:1039 122:2181 123:1711 124:1482 125:1551 128:635 129:373 130:375 131:1091 132:480 133:167 134:396 135:88 136:312 137:299 138:458 139:173 140:227 141:420 142:636 143:446 144:524 145:110 146:671 147:551 148:1086 149:417 150:559 151:590 152:486 153:248 154:312 155:721 156:399 157:332 158:265 159:976 160:368 161:630 162:1888 163:390 164:650 165:669 166:322 167:705 168:1004 169:141 170:1437 171:223 172:45 173:1588 174:686 175:620 176:1436 177:3694 178:2103 179:878 180:1908 181:1572 182:1705 183:601 184:741 185:2828 186:2688 187:1795 188:2016 189:1540 190:7743 191:865 192:8091 193:5562 194:4061 195:3627 196:1685 197:912 198:5459 199:5516 200:6529 201:2935 202:9543 203:9056 204:4660 205:2732 206:3004 207:2975 208:3951 209:3878 210:3493 211:1827 212:2431 213:2294 214:837 215:69 216:5541 217:1806 218:668 219:466 220:1441 221:798 222:464 223:656 End of report
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