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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 9 20:11:58 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 10 Oct, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 565680 Prefixes after maximum aggregation (per Origin AS): 210869 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 275233 Total ASes present in the Internet Routing Table: 51691 Prefixes per ASN: 10.94 Origin-only ASes present in the Internet Routing Table: 36654 Origin ASes announcing only one prefix: 16087 Transit ASes present in the Internet Routing Table: 6413 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: 46 Max AS path prepend of ASN ( 55644) 41 Prefixes from unregistered ASNs in the Routing Table: 1057 Unregistered ASNs in the Routing Table: 408 Number of 32-bit ASNs allocated by the RIRs: 11280 Number of 32-bit ASNs visible in the Routing Table: 8624 Prefixes from 32-bit ASNs in the Routing Table: 32795 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 449 Number of addresses announced to Internet: 2812565952 Equivalent to 167 /8s, 164 /16s and 89 /24s Percentage of available address space announced: 76.0 Percentage of allocated address space announced: 76.0 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: 186993 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 143717 Total APNIC prefixes after maximum aggregation: 39745 APNIC Deaggregation factor: 3.62 Prefixes being announced from the APNIC address blocks: 151507 Unique aggregates announced from the APNIC address blocks: 60319 APNIC Region origin ASes present in the Internet Routing Table: 5091 APNIC Prefixes per ASN: 29.76 APNIC Region origin ASes announcing only one prefix: 1198 APNIC Region transit ASes present in the Internet Routing Table: 891 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1647 Number of APNIC addresses announced to Internet: 753971968 Equivalent to 44 /8s, 240 /16s and 179 /24s Percentage of available APNIC address space announced: 88.1 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: 179957 Total ARIN prefixes after maximum aggregation: 88284 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 183082 Unique aggregates announced from the ARIN address blocks: 86438 ARIN Region origin ASes present in the Internet Routing Table: 16566 ARIN Prefixes per ASN: 11.05 ARIN Region origin ASes announcing only one prefix: 6032 ARIN Region transit ASes present in the Internet Routing Table: 1751 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: 734 Number of ARIN addresses announced to Internet: 1118857920 Equivalent to 66 /8s, 176 /16s and 106 /24s Percentage of available ARIN address space announced: 59.2 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: 136435 Total RIPE prefixes after maximum aggregation: 67997 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 143652 Unique aggregates announced from the RIPE address blocks: 89149 RIPE Region origin ASes present in the Internet Routing Table: 18004 RIPE Prefixes per ASN: 7.98 RIPE Region origin ASes announcing only one prefix: 8040 RIPE Region transit ASes present in the Internet Routing Table: 2993 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: 4086 Number of RIPE addresses announced to Internet: 699825920 Equivalent to 41 /8s, 182 /16s and 127 /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: 60747 Total LACNIC prefixes after maximum aggregation: 11702 LACNIC Deaggregation factor: 5.19 Prefixes being announced from the LACNIC address blocks: 73044 Unique aggregates announced from the LACNIC address blocks: 33545 LACNIC Region origin ASes present in the Internet Routing Table: 2471 LACNIC Prefixes per ASN: 29.56 LACNIC Region origin ASes announcing only one prefix: 621 LACNIC Region transit ASes present in the Internet Routing Table: 535 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1998 Number of LACNIC addresses announced to Internet: 169659136 Equivalent to 10 /8s, 28 /16s and 203 /24s Percentage of available LACNIC address space announced: 101.1 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: 11914 Total AfriNIC prefixes after maximum aggregation: 3099 AfriNIC Deaggregation factor: 3.84 Prefixes being announced from the AfriNIC address blocks: 13946 Unique aggregates announced from the AfriNIC address blocks: 5426 AfriNIC Region origin ASes present in the Internet Routing Table: 735 AfriNIC Prefixes per ASN: 18.97 AfriNIC Region origin ASes announcing only one prefix: 196 AfriNIC Region transit ASes present in the Internet Routing Table: 171 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 159 Number of AfriNIC addresses announced to Internet: 69716224 Equivalent to 4 /8s, 39 /16s and 201 /24s Percentage of available AfriNIC address space announced: 69.3 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 4538 5593 4192 76 China Education and Research 4766 3010 11134 984 Korea Telecom 7545 2870 340 141 TPG Telecom Limited 17974 2699 908 90 PT Telekomunikasi Indonesia 4755 2057 430 229 TATA Communications formerly 9829 1930 1388 237 National Internet Backbone 9808 1642 8639 18 Guangdong Mobile Communicatio 4812 1574 2099 113 China Telecom (Group) 4808 1523 2258 481 CNCGROUP IP network China169 9583 1496 119 561 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 22773 3194 2966 145 Cox Communications Inc. 6389 2685 3688 44 BellSouth.net Inc. 3356 2529 10709 501 Level 3 Communications, Inc. 18566 2204 393 264 MegaPath Corporation 20115 1891 1892 397 Charter Communications 6983 1740 866 241 EarthLink, Inc. 30036 1629 330 385 Mediacom Communications Corp 4323 1584 1005 405 tw telecom holdings, inc. 701 1399 11401 675 MCI Communications Services, 22561 1278 364 218 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 2144 840 1548 Akamai International B.V. 34984 2026 304 395 TELLCOM ILETISIM HIZMETLERI A 6849 1209 355 21 JSC "Ukrtelecom" 8402 1176 544 15 OJSC "Vimpelcom" 13188 1070 97 76 TOV "Bank-Inform" 31148 1039 46 40 Freenet Ltd. 12479 1018 966 84 France Telecom Espana SA 8551 981 376 52 Bezeq International-Ltd 6830 900 2694 465 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 3387 540 172 Telmex Colombia S.A. 28573 1978 2164 121 NET Serviços de Comunicação S 8151 1802 3307 492 Uninet S.A. de C.V. 7303 1572 940 239 Telecom Argentina S.A. 6503 1401 437 55 Axtel, S.A.B. de C.V. 6147 1058 374 30 Telefonica del Peru S.A.A. 26615 1030 2325 35 Tim Celular S.A. 7738 997 1882 41 Telemar Norte Leste S.A. 11830 994 364 24 Instituto Costarricense de El 3816 955 437 164 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 976 1468 10 TE-AS 24863 599 262 82 Link Egypt (Link.NET) 36903 522 263 99 Office National des Postes et 36992 414 1229 32 ETISALAT MISR 37492 315 191 72 Orange Tunisie 29571 246 21 12 Cote d'Ivoire Telecom 3741 220 853 183 Internet Solutions 24835 209 144 8 Vodafone Data 36947 196 807 13 Telecom Algeria 15706 171 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 5593 4192 76 China Education and Research 10620 3387 540 172 Telmex Colombia S.A. 22773 3194 2966 145 Cox Communications Inc. 4766 3010 11134 984 Korea Telecom 7545 2870 340 141 TPG Telecom Limited 17974 2699 908 90 PT Telekomunikasi Indonesia 6389 2685 3688 44 BellSouth.net Inc. 3356 2529 10709 501 Level 3 Communications, Inc. 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 18566 2204 393 264 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 10620 3387 3215 Telmex Colombia S.A. 22773 3194 3049 Cox Communications Inc. 7545 2870 2729 TPG Telecom Limited 6389 2685 2641 BellSouth.net Inc. 17974 2699 2609 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 3356 2529 2028 Level 3 Communications, Inc. 4766 3010 2026 Korea Telecom 18566 2204 1940 MegaPath Corporation 28573 1978 1857 NET Serviços de Comunicação S 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 33646 UNALLOCATED 8.37.4.0/24 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 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 >>UNKNOWN<< 27.50.9.0/24 55548 >>UNKNOWN<< 27.50.10.0/24 55548 >>UNKNOWN<< 27.50.11.0/24 55548 >>UNKNOWN<< 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 /13:503 /14:1005 /15:1746 /16:12913 /17:7395 /18:12587 /19:26181 /20:37385 /21:39604 /22:61983 /23:54339 /24:307300 /25:821 /26:944 /27:491 /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 2402 3194 Cox Communications Inc. 18566 2110 2204 MegaPath Corporation 6389 1607 2685 BellSouth.net Inc. 30036 1448 1629 Mediacom Communications Corp 6983 1387 1740 EarthLink, Inc. 34984 1347 2026 TELLCOM ILETISIM HIZMETLERI A 10620 1262 3387 Telmex Colombia S.A. 11492 1114 1196 CABLE ONE, INC. 6849 992 1209 JSC "Ukrtelecom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1593 2:692 4:97 5:1900 6:25 8:1411 12:1809 13:17 14:1472 15:16 16:2 17:48 18:22 20:51 23:1255 24:1735 27:2091 31:1628 32:52 33:2 34:4 35:4 36:163 37:2242 38:1076 39:15 40:72 41:2808 42:343 43:1571 44:32 45:1357 46:2358 47:55 49:1006 50:805 52:23 54:94 55:6 56:6 57:43 58:1425 59:782 60:505 61:1789 62:1386 63:1911 64:4400 65:2213 66:4027 67:2071 68:1075 69:3275 70:1035 71:456 72:1985 74:2550 75:364 76:401 77:1392 78:1237 79:799 80:1349 81:1362 82:889 83:673 84:772 85:1411 86:453 87:1028 88:526 89:1918 90:151 91:6011 92:832 93:2299 94:2172 95:2210 96:460 97:350 98:955 99:56 100:75 101:852 103:8492 104:2036 105:76 106:352 107:1059 108:629 109:2132 110:1221 111:1459 112:839 113:1121 114:870 115:1426 116:1514 117:1113 118:1951 119:1495 120:478 121:1149 122:2253 123:1863 124:1564 125:1736 128:703 129:367 130:431 131:1255 132:544 133:160 134:430 135:115 136:349 137:293 138:1389 139:174 140:246 141:438 142:654 143:565 144:561 145:127 146:777 147:595 148:1275 149:429 150:602 151:649 152:568 153:266 154:484 155:887 156:424 157:424 158:349 159:1058 160:410 161:685 162:2149 163:467 164:693 165:861 166:306 167:886 168:1240 169:196 170:1501 171:258 172:303 173:1537 174:716 175:713 176:1462 177:4009 178:2204 179:1027 180:1949 181:1600 182:1817 183:641 184:748 185:4442 186:2950 187:1863 188:2081 189:1673 190:7560 191:1189 192:8616 193:5661 194:4270 195:3677 196:1944 197:1130 198:5515 199:5517 200:6668 201:3250 202:9815 203:9201 204:4547 205:2707 206:3044 207:2996 208:3999 209:3909 210:3778 211:2042 212:2558 213:2261 214:835 215:72 216:5742 217:1810 218:804 219:537 220:1580 221:825 222:724 223:831 End of report
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