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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 31 19:11:12 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, LacNOG, TRNOG, 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 Nov, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 518662 Prefixes after maximum aggregation: 199550 Deaggregation factor: 2.60 Unique aggregates announced to Internet: 253190 Total ASes present in the Internet Routing Table: 48444 Prefixes per ASN: 10.71 Origin-only ASes present in the Internet Routing Table: 36294 Origin ASes announcing only one prefix: 16343 Transit ASes present in the Internet Routing Table: 6178 Transit-only ASes present in the Internet Routing Table: 169 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 93 Max AS path prepend of ASN ( 55644) 86 Prefixes from unregistered ASNs in the Routing Table: 1809 Unregistered ASNs in the Routing Table: 435 Number of 32-bit ASNs allocated by the RIRs: 7781 Number of 32-bit ASNs visible in the Routing Table: 5972 Prefixes from 32-bit ASNs in the Routing Table: 21275 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 351 Number of addresses announced to Internet: 2713052580 Equivalent to 161 /8s, 181 /16s and 229 /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: 96.9 Total number of prefixes smaller than registry allocations: 176879 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 128935 Total APNIC prefixes after maximum aggregation: 36851 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 133024 Unique aggregates announced from the APNIC address blocks: 53376 APNIC Region origin ASes present in the Internet Routing Table: 4988 APNIC Prefixes per ASN: 26.67 APNIC Region origin ASes announcing only one prefix: 1199 APNIC Region transit ASes present in the Internet Routing Table: 862 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 93 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1153 Number of APNIC addresses announced to Internet: 736685408 Equivalent to 43 /8s, 232 /16s and 237 /24s Percentage of available APNIC address space announced: 86.1 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: 171887 Total ARIN prefixes after maximum aggregation: 85320 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 173718 Unique aggregates announced from the ARIN address blocks: 81425 ARIN Region origin ASes present in the Internet Routing Table: 16390 ARIN Prefixes per ASN: 10.60 ARIN Region origin ASes announcing only one prefix: 6093 ARIN Region transit ASes present in the Internet Routing Table: 1696 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 246 Number of ARIN addresses announced to Internet: 1053210304 Equivalent to 62 /8s, 198 /16s and 182 /24s Percentage of available ARIN address space announced: 55.7 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: 125642 Total RIPE prefixes after maximum aggregation: 63681 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 131109 Unique aggregates announced from the RIPE address blocks: 82697 RIPE Region origin ASes present in the Internet Routing Table: 17797 RIPE Prefixes per ASN: 7.37 RIPE Region origin ASes announcing only one prefix: 8186 RIPE Region transit ASes present in the Internet Routing Table: 2910 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3155 Number of RIPE addresses announced to Internet: 691574916 Equivalent to 41 /8s, 56 /16s and 152 /24s Percentage of available RIPE address space announced: 100.5 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: 58688 Total LACNIC prefixes after maximum aggregation: 10780 LACNIC Deaggregation factor: 5.44 Prefixes being announced from the LACNIC address blocks: 67517 Unique aggregates announced from the LACNIC address blocks: 30600 LACNIC Region origin ASes present in the Internet Routing Table: 2365 LACNIC Prefixes per ASN: 28.55 LACNIC Region origin ASes announcing only one prefix: 654 LACNIC Region transit ASes present in the Internet Routing Table: 470 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1359 Number of LACNIC addresses announced to Internet: 168363520 Equivalent to 10 /8s, 9 /16s and 6 /24s Percentage of available LACNIC address space announced: 100.4 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: 12122 Total AfriNIC prefixes after maximum aggregation: 2874 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 12943 Unique aggregates announced from the AfriNIC address blocks: 4774 AfriNIC Region origin ASes present in the Internet Routing Table: 733 AfriNIC Prefixes per ASN: 17.66 AfriNIC Region origin ASes announcing only one prefix: 211 AfriNIC Region transit ASes present in the Internet Routing Table: 154 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: 59 Number of AfriNIC addresses announced to Internet: 59790848 Equivalent to 3 /8s, 144 /16s and 86 /24s Percentage of available AfriNIC address space announced: 59.4 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 2950 11584 926 Korea Telecom 17974 2824 903 77 PT Telekomunikasi Indonesia 7545 2431 336 124 TPG Telecom Limited 4755 1922 412 189 TATA Communications formerly 9829 1671 1322 37 National Internet Backbone 4812 1520 2098 109 China Telecom (Group) 9808 1475 6639 15 Guangdong Mobile Communicatio 4808 1424 2211 423 CNCGROUP IP network China169 9583 1360 111 559 Sify Limited 9498 1312 333 94 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 6389 2894 3688 51 BellSouth.net Inc. 22773 2844 2940 143 Cox Communications Inc. 18566 2045 379 184 MegaPath Corporation 7029 1975 1959 313 Windstream Communications Inc 20115 1815 1794 477 Charter Communications 4323 1633 1052 408 tw telecom holdings, inc. 6983 1542 867 250 ITC^Deltacom 30036 1487 309 611 Mediacom Communications Corp 701 1426 11266 710 MCI Communications Services, 22561 1321 409 247 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 1840 297 352 TELLCOM ILETISIM HIZMETLERI A 20940 1502 581 1108 Akamai International B.V. 8402 1387 544 15 OJSC "Vimpelcom" 31148 1045 45 21 Freenet Ltd. 13188 1037 100 29 TOV "Bank-Inform" 8551 956 373 43 Bezeq International-Ltd 6849 829 356 26 JSC "Ukrtelecom" 6830 782 2339 435 Liberty Global Operations B.V 9198 776 346 30 JSC Kazakhtelecom 12479 757 785 96 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 3035 494 238 Telmex Colombia S.A. 28573 2580 2317 107 NET Serviços de Comunicação S 6147 1779 374 30 Telefonica del Peru S.A.A. 7303 1765 1171 241 Telecom Argentina S.A. 8151 1481 3017 432 Uninet S.A. de C.V. 6503 1158 434 59 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 27947 915 130 51 Telconet S.A 26615 899 2325 35 Tim Celular S.A. 3816 893 384 146 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 1390 958 13 TE-AS 24863 957 280 26 Link Egypt (Link.NET) 6713 678 760 38 Office National des Postes et 36992 328 824 29 ETISALAT MISR 24835 308 144 9 Vodafone Data 3741 249 920 212 Internet Solutions 29571 245 22 17 Cote d'Ivoire Telecom 37054 232 19 6 Data Telecom Service 37457 182 161 6 Telkom SA Ltd. 36947 177 807 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 3035 494 238 Telmex Colombia S.A. 4766 2950 11584 926 Korea Telecom 6389 2894 3688 51 BellSouth.net Inc. 22773 2844 2940 143 Cox Communications Inc. 17974 2824 903 77 PT Telekomunikasi Indonesia 28573 2580 2317 107 NET Serviços de Comunicação S 7545 2431 336 124 TPG Telecom Limited 18566 2045 379 184 MegaPath Corporation 7029 1975 1959 313 Windstream Communications Inc 4755 1922 412 189 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 2894 2843 BellSouth.net Inc. 17974 2824 2747 PT Telekomunikasi Indonesia 22773 2844 2701 Cox Communications Inc. 28573 2580 2473 NET Serviços de Comunicação S 7545 2431 2307 TPG Telecom Limited 4766 2950 2024 Korea Telecom 18566 2045 1861 MegaPath Corporation 6147 1779 1749 Telefonica del Peru S.A.A. 4755 1922 1733 TATA Communications formerly 7029 1975 1662 Windstream Communications Inc 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 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 55020 UNALLOCATED 8.30.123.0/24 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 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint 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 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<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 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 /11:90 /12:262 /13:501 /14:1011 /15:1715 /16:13046 /17:7209 /18:11942 /19:25102 /20:35370 /21:37390 /22:55368 /23:48597 /24:278052 /25:1107 /26:1065 /27:717 /28:15 /29:19 /30:11 /31:1 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2065 2844 Cox Communications Inc. 18566 2000 2045 MegaPath Corporation 6389 1674 2894 BellSouth.net Inc. 6147 1345 1779 Telefonica del Peru S.A.A. 30036 1334 1487 Mediacom Communications Corp 6983 1228 1542 ITC^Deltacom 7029 1195 1975 Windstream Communications Inc 34984 1160 1840 TELLCOM ILETISIM HIZMETLERI A 11492 1135 1185 CABLE ONE, INC. 8402 1072 1387 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1342 2:679 3:3 4:17 5:1185 6:21 8:772 12:1848 13:5 14:1181 15:17 16:2 17:42 18:21 20:50 23:949 24:1765 27:1811 31:1339 32:41 33:2 34:5 36:156 37:1814 38:1008 39:14 40:234 41:2957 42:339 43:580 44:20 45:81 46:2066 47:28 49:746 50:807 52:12 54:57 55:4 56:8 57:32 58:1143 59:643 60:435 61:1755 62:1250 63:1837 64:4413 65:2277 66:4182 67:2040 68:1093 69:3270 70:875 71:486 72:1985 74:2613 75:373 76:409 77:1613 78:980 79:765 80:1327 81:1285 82:800 83:658 84:716 85:1359 86:429 87:1188 88:503 89:1808 90:138 91:5809 92:798 93:1642 94:1940 95:1291 96:426 97:340 98:1097 99:48 100:67 101:743 103:5989 104:498 105:155 106:181 107:653 108:596 109:1982 110:1049 111:1421 112:729 113:913 114:795 115:1225 116:1183 117:1013 118:1547 119:1384 120:746 121:970 122:2209 123:1692 124:1474 125:1534 128:622 129:387 130:369 131:925 132:413 133:165 134:323 135:82 136:324 137:318 138:383 139:201 140:228 141:420 142:601 143:444 144:514 145:111 146:672 147:560 148:1045 149:409 150:512 151:640 152:475 153:241 154:402 155:621 156:382 157:322 158:278 159:923 160:330 161:603 162:1810 163:368 164:644 165:671 166:363 167:690 168:1127 169:119 170:1427 171:191 172:60 173:1640 174:710 175:611 176:1539 177:3700 178:2090 179:804 180:1799 181:1792 182:1689 183:702 184:709 185:2283 186:2972 187:1689 188:2040 189:1531 190:7920 191:765 192:7742 193:5556 194:4062 195:3620 196:1641 197:776 198:5303 199:5474 200:6492 201:2915 202:9162 203:9043 204:4694 205:2668 206:3102 207:2983 208:3921 209:3764 210:3328 211:1852 212:2434 213:2188 214:850 215:84 216:5619 217:1701 218:673 219:390 220:1379 221:825 222:568 223:696 End of report
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