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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Dec 26 19:11:43 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 27 Dec, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 524268 Prefixes after maximum aggregation: 201685 Deaggregation factor: 2.60 Unique aggregates announced to Internet: 256512 Total ASes present in the Internet Routing Table: 48941 Prefixes per ASN: 10.71 Origin-only ASes present in the Internet Routing Table: 36363 Origin ASes announcing only one prefix: 16284 Transit ASes present in the Internet Routing Table: 6207 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: 100 Max AS path prepend of ASN ( 55644) 93 Prefixes from unregistered ASNs in the Routing Table: 1667 Unregistered ASNs in the Routing Table: 424 Number of 32-bit ASNs allocated by the RIRs: 8281 Number of 32-bit ASNs visible in the Routing Table: 6371 Prefixes from 32-bit ASNs in the Routing Table: 22956 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: 375 Number of addresses announced to Internet: 2718222148 Equivalent to 162 /8s, 4 /16s and 199 /24s Percentage of available address space announced: 73.4 Percentage of allocated address space announced: 73.4 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: 177212 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 129011 Total APNIC prefixes after maximum aggregation: 37668 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 133863 Unique aggregates announced from the APNIC address blocks: 54835 APNIC Region origin ASes present in the Internet Routing Table: 5007 APNIC Prefixes per ASN: 26.74 APNIC Region origin ASes announcing only one prefix: 1211 APNIC Region transit ASes present in the Internet Routing Table: 864 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: 1229 Number of APNIC addresses announced to Internet: 740474432 Equivalent to 44 /8s, 34 /16s and 190 /24s Percentage of available APNIC address space announced: 86.5 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: 174104 Total ARIN prefixes after maximum aggregation: 86239 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 175987 Unique aggregates announced from the ARIN address blocks: 82335 ARIN Region origin ASes present in the Internet Routing Table: 16407 ARIN Prefixes per ASN: 10.73 ARIN Region origin ASes announcing only one prefix: 6062 ARIN Region transit ASes present in the Internet Routing Table: 1712 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: 304 Number of ARIN addresses announced to Internet: 1055216640 Equivalent to 62 /8s, 229 /16s and 84 /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: 126324 Total RIPE prefixes after maximum aggregation: 63838 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 132358 Unique aggregates announced from the RIPE address blocks: 82961 RIPE Region origin ASes present in the Internet Routing Table: 17833 RIPE Prefixes per ASN: 7.42 RIPE Region origin ASes announcing only one prefix: 8168 RIPE Region transit ASes present in the Internet Routing Table: 2926 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3308 Number of RIPE addresses announced to Internet: 692283268 Equivalent to 41 /8s, 67 /16s and 103 /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: 59207 Total LACNIC prefixes after maximum aggregation: 10930 LACNIC Deaggregation factor: 5.42 Prefixes being announced from the LACNIC address blocks: 68225 Unique aggregates announced from the LACNIC address blocks: 31110 LACNIC Region origin ASes present in the Internet Routing Table: 2397 LACNIC Prefixes per ASN: 28.46 LACNIC Region origin ASes announcing only one prefix: 640 LACNIC Region transit ASes present in the Internet Routing Table: 478 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1449 Number of LACNIC addresses announced to Internet: 167563136 Equivalent to 9 /8s, 252 /16s and 207 /24s Percentage of available LACNIC address space announced: 99.9 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: 12515 Total AfriNIC prefixes after maximum aggregation: 2966 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 13460 Unique aggregates announced from the AfriNIC address blocks: 4935 AfriNIC Region origin ASes present in the Internet Routing Table: 730 AfriNIC Prefixes per ASN: 18.44 AfriNIC Region origin ASes announcing only one prefix: 203 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: 81 Number of AfriNIC addresses announced to Internet: 60850176 Equivalent to 3 /8s, 160 /16s and 128 /24s Percentage of available AfriNIC address space announced: 60.4 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 2894 11579 923 Korea Telecom 17974 2822 904 77 PT Telekomunikasi Indonesia 7545 2490 336 128 TPG Telecom Limited 4755 1926 418 190 TATA Communications formerly 4538 1759 4190 71 China Education and Research 9829 1658 1319 45 National Internet Backbone 9808 1511 6719 19 Guangdong Mobile Communicatio 4808 1452 2211 431 CNCGROUP IP network China169 9583 1315 106 537 Sify Limited 9498 1300 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 2918 2955 141 Cox Communications Inc. 6389 2877 3688 51 BellSouth.net Inc. 3356 2552 10700 473 Level 3 Communications, Inc. 18566 2042 379 183 MegaPath Corporation 20115 1855 1825 445 Charter Communications 4323 1636 1054 409 tw telecom holdings, inc. 6983 1624 867 245 EarthLink, Inc. 30036 1510 311 579 Mediacom Communications Corp 701 1412 11262 696 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 1921 299 354 TELLCOM ILETISIM HIZMETLERI A 20940 1527 593 1128 Akamai International B.V. 8402 1436 544 15 OJSC "Vimpelcom" 31148 1037 45 21 Freenet Ltd. 13188 1036 97 54 TOV "Bank-Inform" 8551 903 373 48 Bezeq International-Ltd 9198 838 349 26 JSC Kazakhtelecom 6830 820 2339 441 Liberty Global Operations B.V 12479 817 794 85 France Telecom Espana SA 9121 599 1693 22 Turk Telekomunikasyon Anonim 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 3062 497 234 Telmex Colombia S.A. 28573 2314 2120 123 NET Serviços de Comunicação S 6147 1801 374 30 Telefonica del Peru S.A.A. 7303 1771 1172 237 Telecom Argentina S.A. 8151 1479 3025 430 Uninet S.A. de C.V. 6503 1229 433 58 Axtel, S.A.B. de C.V. 7738 1000 1882 42 Telemar Norte Leste S.A. 26615 930 2325 35 Tim Celular S.A. 3816 911 396 148 COLOMBIA TELECOMUNICACIONES S 27947 889 129 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 1469 958 13 TE-AS 24863 953 284 26 Link Egypt (Link.NET) 36903 456 230 95 Office National des Postes et 36992 394 847 23 ETISALAT MISR 37492 347 145 64 Orange Tunisie 24835 308 144 9 Vodafone Data 3741 250 921 213 Internet Solutions 29571 234 21 12 Cote d'Ivoire Telecom 37457 198 160 4 Telkom SA Ltd. 36947 194 807 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 3062 497 234 Telmex Colombia S.A. 22773 2918 2955 141 Cox Communications Inc. 4766 2894 11579 923 Korea Telecom 6389 2877 3688 51 BellSouth.net Inc. 17974 2822 904 77 PT Telekomunikasi Indonesia 3356 2552 10700 473 Level 3 Communications, Inc. 7545 2490 336 128 TPG Telecom Limited 28573 2314 2120 123 NET Serviços de Comunicação S 18566 2042 379 183 MegaPath Corporation 4755 1926 418 190 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 2877 2826 BellSouth.net Inc. 22773 2918 2777 Cox Communications Inc. 17974 2822 2745 PT Telekomunikasi Indonesia 7545 2490 2362 TPG Telecom Limited 28573 2314 2191 NET Serviços de Comunicação S 3356 2552 2079 Level 3 Communications, Inc. 4766 2894 1971 Korea Telecom 18566 2042 1859 MegaPath Corporation 6147 1801 1771 Telefonica del Peru S.A.A. 4755 1926 1736 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 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<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.16.88.0/23 57652 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 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 /12:265 /13:502 /14:1000 /15:1729 /16:13039 /17:7176 /18:11993 /19:25003 /20:35618 /21:38148 /22:56402 /23:48993 /24:281326 /25:1094 /26:1089 /27:686 /28:17 /29:18 /30:10 /31:0 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2133 2918 Cox Communications Inc. 18566 1997 2042 MegaPath Corporation 6389 1666 2877 BellSouth.net Inc. 30036 1356 1510 Mediacom Communications Corp 6147 1345 1801 Telefonica del Peru S.A.A. 6983 1311 1624 EarthLink, Inc. 34984 1229 1921 TELLCOM ILETISIM HIZMETLERI A 11492 1116 1175 CABLE ONE, INC. 8402 1099 1436 OJSC "Vimpelcom" 10620 1086 3062 Telmex Colombia S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1414 2:671 3:3 4:95 5:1213 6:21 8:1398 11:1 12:1835 13:4 14:1210 15:17 16:2 17:45 18:21 20:51 23:1059 24:1661 27:1838 31:1467 32:39 33:2 34:5 35:1 36:146 37:1861 38:970 39:13 40:226 41:2972 42:287 43:817 44:21 45:84 46:2126 47:32 49:778 50:792 52:12 54:60 55:8 56:8 57:31 58:1092 59:659 60:450 61:1720 62:1314 63:1887 64:4401 65:2258 66:4070 67:2013 68:1044 69:3238 70:904 71:428 72:1959 74:2600 75:324 76:410 77:1353 78:1045 79:786 80:1324 81:1293 82:811 83:682 84:675 85:1325 86:431 87:1218 88:516 89:1840 90:139 91:5850 92:797 93:1682 94:1985 95:1400 96:421 97:338 98:1044 99:48 100:69 101:788 103:6369 104:899 105:187 106:194 107:890 108:612 109:2055 110:1051 111:1446 112:731 113:897 114:802 115:1236 116:1287 117:1022 118:1666 119:1366 120:430 121:994 122:2196 123:1707 124:1466 125:1521 128:642 129:360 130:382 131:1072 132:440 133:167 134:388 135:87 136:329 137:298 138:383 139:173 140:224 141:418 142:621 143:437 144:507 145:111 146:683 147:563 148:1063 149:407 150:532 151:586 152:470 153:247 154:292 155:659 156:390 157:333 158:264 159:960 160:368 161:629 162:1858 163:371 164:649 165:671 166:320 167:708 168:1165 169:132 170:1426 171:221 172:50 173:1575 174:702 175:595 176:1563 177:3703 178:2104 179:812 180:1838 181:1687 182:1688 183:530 184:727 185:2581 186:2952 187:1689 188:2010 189:1549 190:7885 191:848 192:7955 193:5561 194:4064 195:3627 196:1683 197:873 198:5400 199:5499 200:6520 201:2945 202:9453 203:8998 204:4661 205:2708 206:2991 207:2969 208:3903 209:3846 210:3477 211:1836 212:2542 213:2248 214:830 215:73 216:5541 217:1760 218:649 219:466 220:1301 221:776 222:458 223:647 End of report
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