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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 7 19:12:01 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 08 Nov, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 523431 Prefixes after maximum aggregation: 199835 Deaggregation factor: 2.62 Unique aggregates announced to Internet: 253728 Total ASes present in the Internet Routing Table: 48493 Prefixes per ASN: 10.79 Origin-only ASes present in the Internet Routing Table: 36280 Origin ASes announcing only one prefix: 16320 Transit ASes present in the Internet Routing Table: 6192 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: 68 Max AS path prepend of ASN ( 55644) 61 Prefixes from unregistered ASNs in the Routing Table: 1788 Unregistered ASNs in the Routing Table: 434 Number of 32-bit ASNs allocated by the RIRs: 7832 Number of 32-bit ASNs visible in the Routing Table: 6021 Prefixes from 32-bit ASNs in the Routing Table: 21417 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 371 Number of addresses announced to Internet: 2713875332 Equivalent to 161 /8s, 194 /16s and 115 /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: 177009 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 133276 Total APNIC prefixes after maximum aggregation: 36928 APNIC Deaggregation factor: 3.61 Prefixes being announced from the APNIC address blocks: 137306 Unique aggregates announced from the APNIC address blocks: 53553 APNIC Region origin ASes present in the Internet Routing Table: 4985 APNIC Prefixes per ASN: 27.54 APNIC Region origin ASes announcing only one prefix: 1198 APNIC Region transit ASes present in the Internet Routing Table: 866 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 68 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1160 Number of APNIC addresses announced to Internet: 737099840 Equivalent to 43 /8s, 239 /16s and 64 /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: 172029 Total ARIN prefixes after maximum aggregation: 85452 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 173896 Unique aggregates announced from the ARIN address blocks: 81551 ARIN Region origin ASes present in the Internet Routing Table: 16391 ARIN Prefixes per ASN: 10.61 ARIN Region origin ASes announcing only one prefix: 6081 ARIN Region transit ASes present in the Internet Routing Table: 1705 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: 251 Number of ARIN addresses announced to Internet: 1053335744 Equivalent to 62 /8s, 200 /16s and 160 /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: 125663 Total RIPE prefixes after maximum aggregation: 63695 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 131171 Unique aggregates announced from the RIPE address blocks: 82803 RIPE Region origin ASes present in the Internet Routing Table: 17789 RIPE Prefixes per ASN: 7.37 RIPE Region origin ASes announcing only one prefix: 8177 RIPE Region transit ASes present in the Internet Routing Table: 2914 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: 3177 Number of RIPE addresses announced to Internet: 691660420 Equivalent to 41 /8s, 57 /16s and 230 /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: 58707 Total LACNIC prefixes after maximum aggregation: 10832 LACNIC Deaggregation factor: 5.42 Prefixes being announced from the LACNIC address blocks: 67577 Unique aggregates announced from the LACNIC address blocks: 30704 LACNIC Region origin ASes present in the Internet Routing Table: 2376 LACNIC Prefixes per ASN: 28.44 LACNIC Region origin ASes announcing only one prefix: 656 LACNIC Region transit ASes present in the Internet Routing Table: 470 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1370 Number of LACNIC addresses announced to Internet: 168403968 Equivalent to 10 /8s, 9 /16s and 164 /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: 12244 Total AfriNIC prefixes after maximum aggregation: 2884 AfriNIC Deaggregation factor: 4.25 Prefixes being announced from the AfriNIC address blocks: 13110 Unique aggregates announced from the AfriNIC address blocks: 4787 AfriNIC Region origin ASes present in the Internet Routing Table: 732 AfriNIC Prefixes per ASN: 17.91 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: 63 Number of AfriNIC addresses announced to Internet: 59895296 Equivalent to 3 /8s, 145 /16s and 238 /24s Percentage of available AfriNIC address space announced: 59.5 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 5547 4190 71 China Education and Research 4766 2952 11584 925 Korea Telecom 17974 2825 903 77 PT Telekomunikasi Indonesia 7545 2441 336 126 TPG Telecom Limited 4755 1915 411 187 TATA Communications formerly 9829 1671 1322 37 National Internet Backbone 4812 1520 2098 109 China Telecom (Group) 9808 1478 6639 15 Guangdong Mobile Communicatio 4808 1423 2213 429 CNCGROUP IP network China169 9583 1362 112 561 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 6389 2894 3688 51 BellSouth.net Inc. 22773 2851 2956 144 Cox Communications Inc. 18566 2045 379 184 MegaPath Corporation 7029 2000 1960 317 Windstream Communications Inc 20115 1819 1797 476 Charter Communications 4323 1636 1052 409 tw telecom holdings, inc. 6983 1581 867 250 ITC^Deltacom 30036 1488 309 611 Mediacom Communications Corp 701 1428 11265 708 MCI Communications Services, 22561 1313 409 242 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 1842 298 356 TELLCOM ILETISIM HIZMETLERI A 20940 1496 579 1104 Akamai International B.V. 8402 1328 544 15 OJSC "Vimpelcom" 31148 1045 45 21 Freenet Ltd. 13188 1028 100 36 TOV "Bank-Inform" 8551 952 373 43 Bezeq International-Ltd 6849 829 356 26 JSC "Ukrtelecom" 9198 798 346 32 JSC Kazakhtelecom 6830 790 2339 437 Liberty Global Operations B.V 12479 765 786 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 3032 493 237 Telmex Colombia S.A. 28573 2500 2317 107 NET Serviços de Comunicação S 7303 1766 1171 241 Telecom Argentina S.A. 6147 1713 374 30 Telefonica del Peru S.A.A. 8151 1480 3021 426 Uninet S.A. de C.V. 6503 1203 433 58 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 26615 914 2325 35 Tim Celular S.A. 27947 909 130 52 Telconet S.A 3816 891 383 149 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 1395 958 13 TE-AS 24863 958 280 26 Link Egypt (Link.NET) 6713 680 763 35 Office National des Postes et 36992 359 824 29 ETISALAT MISR 24835 308 144 9 Vodafone Data 3741 249 920 212 Internet Solutions 29571 245 22 17 Cote d'Ivoire Telecom 37054 233 19 6 Data Telecom Service 37457 187 161 7 Telkom SA Ltd. 36947 179 807 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 4538 5547 4190 71 China Education and Research 10620 3032 493 237 Telmex Colombia S.A. 4766 2952 11584 925 Korea Telecom 6389 2894 3688 51 BellSouth.net Inc. 22773 2851 2956 144 Cox Communications Inc. 17974 2825 903 77 PT Telekomunikasi Indonesia 28573 2500 2317 107 NET Serviços de Comunicação S 7545 2441 336 126 TPG Telecom Limited 18566 2045 379 184 MegaPath Corporation 7029 2000 1960 317 Windstream Communications Inc 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. 10620 3032 2795 Telmex Colombia S.A. 17974 2825 2748 PT Telekomunikasi Indonesia 22773 2851 2707 Cox Communications Inc. 28573 2500 2393 NET Serviços de Comunicação S 7545 2441 2315 TPG Telecom Limited 4766 2952 2027 Korea Telecom 18566 2045 1861 MegaPath Corporation 4755 1915 1728 TATA Communications formerly 7029 2000 1683 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 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 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 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 23.252.224.0/20 62502 Xnet Media LLC 23.252.224.0/21 62502 Xnet Media LLC 23.252.232.0/21 62502 Xnet Media LLC 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<< 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 /13:500 /14:1012 /15:1718 /16:13041 /17:7249 /18:12076 /19:25510 /20:36567 /21:38018 /22:55828 /23:49160 /24:279415 /25:1101 /26:1059 /27:705 /28:17 /29:19 /30:11 /31:1 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2065 2851 Cox Communications Inc. 18566 2000 2045 MegaPath Corporation 6389 1674 2894 BellSouth.net Inc. 30036 1335 1488 Mediacom Communications Corp 6147 1333 1713 Telefonica del Peru S.A.A. 6983 1266 1581 ITC^Deltacom 7029 1219 2000 Windstream Communications Inc 34984 1162 1842 TELLCOM ILETISIM HIZMETLERI A 11492 1144 1195 CABLE ONE, INC. 10620 1067 3032 Telmex Colombia S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1348 2:677 3:3 4:16 5:1193 6:21 8:772 12:1838 13:4 14:1183 15:17 16:2 17:42 18:21 20:51 23:957 24:1754 27:1817 31:1342 32:40 33:2 34:5 36:157 37:1817 38:1012 39:15 40:238 41:2955 42:348 43:603 44:20 45:80 46:2062 47:28 49:749 50:799 52:12 54:59 55:4 56:8 57:32 58:1197 59:717 60:438 61:1737 62:1242 63:1837 64:4415 65:2284 66:4182 67:2045 68:1092 69:3234 70:876 71:486 72:1986 74:2601 75:374 76:398 77:1603 78:901 79:773 80:1323 81:1287 82:807 83:663 84:713 85:1362 86:429 87:1172 88:500 89:1809 90:138 91:5812 92:804 93:1656 94:1929 95:1303 96:426 97:340 98:1091 99:48 100:67 101:783 103:6058 104:527 105:163 106:187 107:710 108:599 109:1984 110:1069 111:1443 112:733 113:900 114:800 115:1246 116:1213 117:1010 118:1587 119:1373 120:449 121:1021 122:2216 123:1699 124:1477 125:1601 128:644 129:387 130:377 131:933 132:422 133:164 134:322 135:82 136:325 137:317 138:385 139:202 140:229 141:419 142:598 143:445 144:512 145:110 146:676 147:555 148:1053 149:413 150:515 151:642 152:477 153:241 154:396 155:623 156:381 157:331 158:279 159:928 160:332 161:608 162:1856 163:371 164:648 165:669 166:363 167:690 168:1128 169:120 170:1428 171:215 172:60 173:1649 174:699 175:609 176:1518 177:3727 178:2087 179:812 180:1808 181:1809 182:1695 183:565 184:711 185:2321 186:2981 187:1659 188:2019 189:1538 190:7942 191:795 192:7748 193:5562 194:4048 195:3628 196:1662 197:795 198:5321 199:5482 200:6472 201:2910 202:9604 203:9016 204:4681 205:2665 206:3025 207:2962 208:3922 209:3799 210:3657 211:2035 212:2424 213:2197 214:861 215:84 216:5648 217:1710 218:718 219:549 220:1295 221:770 222:685 223:617 End of report
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