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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Dec 12 19:12:13 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 13 Dec, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 523481 Prefixes after maximum aggregation: 201299 Deaggregation factor: 2.60 Unique aggregates announced to Internet: 255547 Total ASes present in the Internet Routing Table: 48830 Prefixes per ASN: 10.72 Origin-only ASes present in the Internet Routing Table: 36379 Origin ASes announcing only one prefix: 16320 Transit ASes present in the Internet Routing Table: 6187 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: 100 Max AS path prepend of ASN ( 55644) 93 Prefixes from unregistered ASNs in the Routing Table: 1631 Unregistered ASNs in the Routing Table: 430 Number of 32-bit ASNs allocated by the RIRs: 8142 Number of 32-bit ASNs visible in the Routing Table: 6264 Prefixes from 32-bit ASNs in the Routing Table: 22488 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 406 Number of addresses announced to Internet: 2715334500 Equivalent to 161 /8s, 216 /16s and 183 /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: 97.0 Total number of prefixes smaller than registry allocations: 177479 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 128957 Total APNIC prefixes after maximum aggregation: 37484 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 133610 Unique aggregates announced from the APNIC address blocks: 54387 APNIC Region origin ASes present in the Internet Routing Table: 5009 APNIC Prefixes per ASN: 26.67 APNIC Region origin ASes announcing only one prefix: 1216 APNIC Region transit ASes present in the Internet Routing Table: 853 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 100 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1211 Number of APNIC addresses announced to Internet: 738767936 Equivalent to 44 /8s, 8 /16s and 180 /24s Percentage of available APNIC address space announced: 86.3 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: 173986 Total ARIN prefixes after maximum aggregation: 86173 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 175863 Unique aggregates announced from the ARIN address blocks: 82172 ARIN Region origin ASes present in the Internet Routing Table: 16408 ARIN Prefixes per ASN: 10.72 ARIN Region origin ASes announcing only one prefix: 6075 ARIN Region transit ASes present in the Internet Routing Table: 1711 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 290 Number of ARIN addresses announced to Internet: 1054644192 Equivalent to 62 /8s, 220 /16s and 151 /24s Percentage of available ARIN address space announced: 55.8 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: 126399 Total RIPE prefixes after maximum aggregation: 63747 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 132300 Unique aggregates announced from the RIPE address blocks: 82743 RIPE Region origin ASes present in the Internet Routing Table: 17824 RIPE Prefixes per ASN: 7.42 RIPE Region origin ASes announcing only one prefix: 8183 RIPE Region transit ASes present in the Internet Routing Table: 2919 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3260 Number of RIPE addresses announced to Internet: 692278148 Equivalent to 41 /8s, 67 /16s and 83 /24s Percentage of available RIPE address space announced: 100.6 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, 196608-202239 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: 59085 Total LACNIC prefixes after maximum aggregation: 10879 LACNIC Deaggregation factor: 5.43 Prefixes being announced from the LACNIC address blocks: 67965 Unique aggregates announced from the LACNIC address blocks: 30977 LACNIC Region origin ASes present in the Internet Routing Table: 2388 LACNIC Prefixes per ASN: 28.46 LACNIC Region origin ASes announcing only one prefix: 638 LACNIC Region transit ASes present in the Internet Routing Table: 476 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1424 Number of LACNIC addresses announced to Internet: 167471296 Equivalent to 9 /8s, 251 /16s and 104 /24s Percentage of available LACNIC address space announced: 99.8 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: 12432 Total AfriNIC prefixes after maximum aggregation: 2972 AfriNIC Deaggregation factor: 4.18 Prefixes being announced from the AfriNIC address blocks: 13337 Unique aggregates announced from the AfriNIC address blocks: 4901 AfriNIC Region origin ASes present in the Internet Routing Table: 735 AfriNIC Prefixes per ASN: 18.15 AfriNIC Region origin ASes announcing only one prefix: 208 AfriNIC Region transit ASes present in the Internet Routing Table: 151 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: 79 Number of AfriNIC addresses announced to Internet: 60186624 Equivalent to 3 /8s, 150 /16s and 96 /24s Percentage of available AfriNIC address space announced: 59.8 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 2953 11585 929 Korea Telecom 17974 2834 904 77 PT Telekomunikasi Indonesia 7545 2488 337 129 TPG Telecom Limited 4755 1923 416 191 TATA Communications formerly 4538 1816 4190 71 China Education and Research 9829 1662 1323 28 National Internet Backbone 9808 1496 6719 19 Guangdong Mobile Communicatio 4808 1443 2209 426 CNCGROUP IP network China169 9583 1366 112 564 Sify Limited 9498 1294 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 2922 2956 141 Cox Communications Inc. 6389 2892 3688 51 BellSouth.net Inc. 3356 2552 10684 471 Level 3 Communications, Inc. 18566 2042 379 183 MegaPath Corporation 20115 1838 1817 452 Charter Communications 4323 1639 1054 410 tw telecom holdings, inc. 6983 1625 867 245 EarthLink, Inc. 30036 1505 311 591 Mediacom Communications Corp 701 1418 11265 698 MCI Communications Services, 22561 1317 411 244 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 1907 298 358 TELLCOM ILETISIM HIZMETLERI A 20940 1530 598 1133 Akamai International B.V. 8402 1420 544 15 OJSC "Vimpelcom" 31148 1045 45 21 Freenet Ltd. 13188 997 95 60 TOV "Bank-Inform" 8551 898 373 43 Bezeq International-Ltd 6849 833 356 25 JSC "Ukrtelecom" 9198 831 349 26 JSC Kazakhtelecom 6830 821 2340 442 Liberty Global Operations B.V 12479 800 789 95 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 3059 496 224 Telmex Colombia S.A. 28573 2295 2119 112 NET Serviços de Comunicação S 6147 1807 374 30 Telefonica del Peru S.A.A. 7303 1777 1172 241 Telecom Argentina S.A. 8151 1485 3034 428 Uninet S.A. de C.V. 6503 1229 433 58 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 26615 918 2325 35 Tim Celular S.A. 3816 909 394 147 COLOMBIA TELECOMUNICACIONES S 27947 886 129 50 Telconet S.A 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 1429 958 13 TE-AS 24863 951 284 26 Link Egypt (Link.NET) 36903 456 230 95 Office National des Postes et 36992 382 824 29 ETISALAT MISR 24835 308 144 9 Vodafone Data 37492 282 133 65 Orange Tunisie 3741 250 921 213 Internet Solutions 29571 235 21 12 Cote d'Ivoire Telecom 37457 194 160 4 Telkom SA Ltd. 36947 187 807 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 3059 496 224 Telmex Colombia S.A. 4766 2953 11585 929 Korea Telecom 22773 2922 2956 141 Cox Communications Inc. 6389 2892 3688 51 BellSouth.net Inc. 17974 2834 904 77 PT Telekomunikasi Indonesia 3356 2552 10684 471 Level 3 Communications, Inc. 7545 2488 337 129 TPG Telecom Limited 28573 2295 2119 112 NET Serviços de Comunicação S 18566 2042 379 183 MegaPath Corporation 4755 1923 416 191 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 2892 2841 BellSouth.net Inc. 22773 2922 2781 Cox Communications Inc. 17974 2834 2757 PT Telekomunikasi Indonesia 7545 2488 2359 TPG Telecom Limited 28573 2295 2183 NET Serviços de Comunicação S 3356 2552 2081 Level 3 Communications, Inc. 4766 2953 2024 Korea Telecom 18566 2042 1859 MegaPath Corporation 6147 1807 1777 Telefonica del Peru S.A.A. 4538 1816 1745 China Education and Research 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 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 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 >>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<< 27.122.56.0/22 55799 Hostemo Technology Sdn Bhd 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.16.88.0/23 57652 >>UNKNOWN<< 41.73.1.0/24 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 /11:92 /12:263 /13:501 /14:999 /15:1728 /16:13061 /17:7168 /18:11975 /19:24950 /20:35533 /21:38034 /22:56252 /23:49150 /24:280755 /25:1107 /26:1091 /27:708 /28:16 /29:19 /30:11 /31:0 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2137 2922 Cox Communications Inc. 18566 1997 2042 MegaPath Corporation 6389 1672 2892 BellSouth.net Inc. 6147 1352 1807 Telefonica del Peru S.A.A. 30036 1352 1505 Mediacom Communications Corp 6983 1312 1625 EarthLink, Inc. 34984 1214 1907 TELLCOM ILETISIM HIZMETLERI A 11492 1126 1183 CABLE ONE, INC. 10620 1086 3059 Telmex Colombia S.A. 8402 1085 1420 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1394 2:676 3:3 4:95 5:1222 6:21 8:1402 12:1842 13:5 14:1208 15:17 16:2 17:42 18:21 20:51 23:1056 24:1662 27:1805 31:1420 32:39 33:2 34:5 36:150 37:1849 38:977 39:13 40:224 41:3035 42:281 43:774 44:20 45:83 46:2105 47:31 49:771 50:788 52:12 54:59 55:6 56:6 57:31 58:1157 59:662 60:448 61:1746 62:1308 63:1871 64:4411 65:2281 66:4092 67:2024 68:1046 69:3262 70:918 71:429 72:1974 74:2608 75:323 76:408 77:1348 78:1026 79:782 80:1321 81:1286 82:811 83:675 84:670 85:1303 86:430 87:1192 88:512 89:1814 90:139 91:5842 92:800 93:1658 94:1977 95:1353 96:422 97:338 98:1048 99:48 100:69 101:787 103:6293 104:822 105:186 106:194 107:873 108:612 109:2011 110:1060 111:1448 112:736 113:896 114:798 115:1236 116:1275 117:1013 118:1667 119:1370 120:420 121:990 122:2203 123:1703 124:1454 125:1568 128:654 129:384 130:384 131:1017 132:437 133:165 134:333 135:85 136:331 137:297 138:388 139:170 140:228 141:423 142:587 143:441 144:510 145:112 146:701 147:563 148:1029 149:407 150:534 151:587 152:474 153:248 154:294 155:654 156:389 157:333 158:252 159:920 160:366 161:615 162:1826 163:379 164:640 165:667 166:307 167:735 168:1161 169:130 170:1421 171:222 172:51 173:1580 174:710 175:592 176:1550 177:3666 178:2089 179:801 180:1824 181:1700 182:1705 183:530 184:723 185:2490 186:2954 187:1679 188:2000 189:1533 190:7929 191:855 192:7893 193:5565 194:4065 195:3631 196:1692 197:862 198:5398 199:5493 200:6538 201:2981 202:9461 203:8992 204:4689 205:2704 206:2995 207:2978 208:3914 209:3858 210:3484 211:1863 212:2495 213:2244 214:862 215:71 216:5571 217:1748 218:652 219:466 220:1303 221:774 222:457 223:643 End of report
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