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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 10 20:33:05 CEST 2013
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 11 May, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 454386 Prefixes after maximum aggregation: 185202 Deaggregation factor: 2.45 Unique aggregates announced to Internet: 224421 Total ASes present in the Internet Routing Table: 44038 Prefixes per ASN: 10.32 Origin-only ASes present in the Internet Routing Table: 34566 Origin ASes announcing only one prefix: 16097 Transit ASes present in the Internet Routing Table: 5845 Transit-only ASes present in the Internet Routing Table: 151 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 57 Max AS path prepend of ASN ( 61154) 54 Prefixes from unregistered ASNs in the Routing Table: 315 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 4760 Number of 32-bit ASNs visible in the Routing Table: 3627 Prefixes from 32-bit ASNs in the Routing Table: 10293 Special use prefixes present in the Routing Table: 22 Prefixes being announced from unallocated address space: 235 Number of addresses announced to Internet: 2614671852 Equivalent to 155 /8s, 216 /16s and 185 /24s Percentage of available address space announced: 70.6 Percentage of allocated address space announced: 70.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.5 Total number of prefixes smaller than registry allocations: 160423 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 108833 Total APNIC prefixes after maximum aggregation: 33440 APNIC Deaggregation factor: 3.25 Prefixes being announced from the APNIC address blocks: 110179 Unique aggregates announced from the APNIC address blocks: 44862 APNIC Region origin ASes present in the Internet Routing Table: 4837 APNIC Prefixes per ASN: 22.78 APNIC Region origin ASes announcing only one prefix: 1221 APNIC Region transit ASes present in the Internet Routing Table: 827 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 523 Number of APNIC addresses announced to Internet: 721082080 Equivalent to 42 /8s, 250 /16s and 214 /24s Percentage of available APNIC address space announced: 84.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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: 159410 Total ARIN prefixes after maximum aggregation: 80155 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 160009 Unique aggregates announced from the ARIN address blocks: 73348 ARIN Region origin ASes present in the Internet Routing Table: 15677 ARIN Prefixes per ASN: 10.21 ARIN Region origin ASes announcing only one prefix: 5965 ARIN Region transit ASes present in the Internet Routing Table: 1632 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 39 Number of ARIN region 32-bit ASNs visible in the Routing Table: 19 Number of ARIN addresses announced to Internet: 1061791104 Equivalent to 63 /8s, 73 /16s and 165 /24s Percentage of available ARIN address space announced: 56.2 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, 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: 117197 Total RIPE prefixes after maximum aggregation: 59752 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 120753 Unique aggregates announced from the RIPE address blocks: 77929 RIPE Region origin ASes present in the Internet Routing Table: 17166 RIPE Prefixes per ASN: 7.03 RIPE Region origin ASes announcing only one prefix: 8147 RIPE Region transit ASes present in the Internet Routing Table: 2805 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 57 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2318 Number of RIPE addresses announced to Internet: 656487012 Equivalent to 39 /8s, 33 /16s and 50 /24s Percentage of available RIPE address space announced: 95.4 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, 196608-199679 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: 47766 Total LACNIC prefixes after maximum aggregation: 9328 LACNIC Deaggregation factor: 5.12 Prefixes being announced from the LACNIC address blocks: 51844 Unique aggregates announced from the LACNIC address blocks: 24191 LACNIC Region origin ASes present in the Internet Routing Table: 1928 LACNIC Prefixes per ASN: 26.89 LACNIC Region origin ASes announcing only one prefix: 578 LACNIC Region transit ASes present in the Internet Routing Table: 357 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 761 Number of LACNIC addresses announced to Internet: 128546088 Equivalent to 7 /8s, 169 /16s and 117 /24s Percentage of available LACNIC address space announced: 76.6 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-62463, 262144-263167 plus 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: 10802 Total AfriNIC prefixes after maximum aggregation: 2487 AfriNIC Deaggregation factor: 4.34 Prefixes being announced from the AfriNIC address blocks: 11366 Unique aggregates announced from the AfriNIC address blocks: 3873 AfriNIC Region origin ASes present in the Internet Routing Table: 625 AfriNIC Prefixes per ASN: 18.19 AfriNIC Region origin ASes announcing only one prefix: 186 AfriNIC Region transit ASes present in the Internet Routing Table: 133 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 46413824 Equivalent to 2 /8s, 196 /16s and 56 /24s Percentage of available AfriNIC address space announced: 46.1 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 2958 11558 927 Korea Telecom (KIX) 17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA 7545 1903 320 109 TPG Internet Pty Ltd 4755 1725 390 191 TATA Communications formerly 9829 1509 1205 40 BSNL National Internet Backbo 9583 1221 91 502 Sify Limited 7552 1172 1064 12 Vietel Corporation 4808 1120 2113 328 CNCGROUP IP network: China169 9498 1099 309 71 BHARTI Airtel Ltd. 24560 1069 393 166 Bharti Airtel Ltd., Telemedia 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 3016 3693 82 bellsouth.net, inc. 7029 2144 1265 211 Windstream Communications Inc 18566 2067 382 184 Covad Communications 1785 1993 677 125 PaeTec Communications, Inc. 22773 1971 2929 125 Cox Communications, Inc. 20115 1668 1609 617 Charter Communications 4323 1613 1139 399 Time Warner Telecom 30036 1338 297 649 Mediacom Communications Corp 7018 1313 10819 849 AT&T WorldNet Services 11492 1245 228 320 Cable One 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 8402 1747 544 16 Corbina telecom 2118 1390 97 13 EUnet/RELCOM Autonomous Syste 34984 1185 238 221 BILISIM TELEKOM 13188 834 99 64 Educational Network 20940 825 285 654 Akamai Technologies European 31148 790 39 20 FreeNet ISP 8551 772 370 43 Bezeq International 6830 771 2376 444 UPC Distribution Services 12479 681 782 67 Uni2 Autonomous System 34744 671 172 55 SC GVM SISTEM 2003 SRL 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 28573 2684 1482 109 NET Servicos de Comunicao S.A 10620 2625 411 225 TVCABLE BOGOTA 7303 1689 1157 219 Telecom Argentina Stet-France 8151 1242 2701 393 UniNet S.A. de C.V. 6503 971 435 68 AVANTEL, S.A. 18881 921 780 19 Global Village Telecom 27947 822 88 95 Telconet S.A 11830 710 364 14 Instituto Costarricense de El 3816 706 306 85 Empresa Nacional de Telecomun 7738 698 1370 35 Telecomunicacoes da Bahia 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 36998 1237 80 4 MOBITEL 24863 888 274 32 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 461 956 9 TEDATA 24835 344 80 8 RAYA Telecom - Egypt 3741 261 906 220 The Internet Solution 15706 222 32 6 Sudatel Internet Exchange Aut 12258 193 28 67 Vodacom Internet Company 29975 191 667 21 Vodacom 36992 189 527 21 Etisalat MISR 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 6389 3016 3693 82 bellsouth.net, inc. 4766 2958 11558 927 Korea Telecom (KIX) 28573 2684 1482 109 NET Servicos de Comunicao S.A 10620 2625 411 225 TVCABLE BOGOTA 17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA 7029 2144 1265 211 Windstream Communications Inc 18566 2067 382 184 Covad Communications 1785 1993 677 125 PaeTec Communications, Inc. 22773 1971 2929 125 Cox Communications, Inc. 7545 1903 320 109 TPG Internet Pty Ltd Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 28573 2684 2575 NET Servicos de Comunicao S.A 17974 2512 2422 PT TELEKOMUNIKASI INDONESIA 10620 2625 2400 TVCABLE BOGOTA 4766 2958 2031 Korea Telecom (KIX) 7029 2144 1933 Windstream Communications Inc 18566 2067 1883 Covad Communications 1785 1993 1868 PaeTec Communications, Inc. 22773 1971 1846 Cox Communications, Inc. 7545 1903 1794 TPG Internet Pty Ltd 8402 1747 1731 Corbina telecom Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 209 Qwest 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic 33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks 26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 128.0.0.0/24 2876 Jump Management SRL 128.0.16.0/21 43568 RIPE Network Coordination Cen 128.0.24.0/21 41794 Altline LLC 128.0.52.0/24 60906 NETOPIA SRL 128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys 128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.72.0/21 23456 32-bit ASN transition Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.185.224.0/24 27431 JTL Networks Inc. 64.185.225.0/24 27431 JTL Networks Inc. 64.185.226.0/24 27431 JTL Networks Inc. 64.185.227.0/24 27431 JTL Networks Inc. 64.185.228.0/24 27431 JTL Networks Inc. 64.185.229.0/24 27431 JTL Networks Inc. 64.185.230.0/24 27431 JTL Networks Inc. 64.185.231.0/24 27431 JTL Networks Inc. 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 /9:13 /10:29 /11:87 /12:250 /13:490 /14:883 /15:1566 /16:12683 /17:6624 /18:11168 /19:22067 /20:32025 /21:34139 /22:47347 /23:42141 /24:238728 /25:1362 /26:1756 /27:867 /28:43 /29:65 /30:18 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2018 2067 Covad Communications 6389 1728 3016 bellsouth.net, inc. 7029 1612 2144 Windstream Communications Inc 8402 1451 1747 Corbina telecom 22773 1281 1971 Cox Communications, Inc. 36998 1231 1237 MOBITEL 30036 1211 1338 Mediacom Communications Corp 11492 1204 1245 Cable One 1785 1062 1993 PaeTec Communications, Inc. 6983 1008 1134 ITC^Deltacom Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:805 2:744 3:3 4:15 5:876 6:7 8:555 12:1917 13:3 14:776 15:11 16:3 17:9 20:17 23:276 24:1760 27:1500 31:1275 32:43 33:1 34:5 36:44 37:1852 38:872 39:2 40:172 41:2772 42:190 44:6 46:1889 47:2 49:632 50:691 52:12 54:34 55:9 57:26 58:1141 59:568 60:306 61:1391 62:1081 63:2035 64:4309 65:2175 66:4363 67:2046 68:1128 69:3280 70:872 71:537 72:1944 74:2558 75:412 76:307 77:1105 78:1054 79:584 80:1265 81:993 82:622 83:556 84:529 85:1150 86:462 87:979 88:537 89:1781 90:161 91:5453 92:614 93:1723 94:1856 95:1528 96:526 97:344 98:1052 99:41 100:30 101:328 103:2559 105:535 106:144 107:210 108:520 109:1850 110:869 111:1054 112:509 113:790 114:709 115:941 116:895 117:791 118:1068 119:1287 120:401 121:719 122:1777 123:1246 124:1351 125:1343 128:630 129:216 130:323 131:648 132:339 133:149 134:261 135:66 136:221 137:255 138:346 139:196 140:207 141:327 142:546 143:405 144:484 145:92 146:513 147:405 148:693 149:371 150:158 151:567 152:415 153:196 154:44 155:397 156:263 157:400 158:276 159:729 160:358 161:428 162:419 163:212 164:591 165:452 166:301 167:582 168:1032 169:134 170:1029 171:178 172:6 173:1665 174:592 175:469 176:1282 177:1960 178:1841 179:6 180:1419 181:423 182:1185 183:389 184:675 185:430 186:2300 187:1306 188:2148 189:1331 190:6344 192:6599 193:5866 194:4667 195:3455 196:1331 197:907 198:4427 199:5291 200:5924 201:2416 202:8846 203:8831 204:4514 205:2563 206:2843 207:2889 208:4054 209:3627 210:2942 211:1559 212:2106 213:1941 214:918 215:98 216:5251 217:1596 218:617 219:330 220:1279 221:555 222:319 223:442 End of report
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