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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 17 20:34:26 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 18 May, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 454719 Prefixes after maximum aggregation: 185412 Deaggregation factor: 2.45 Unique aggregates announced to Internet: 224945 Total ASes present in the Internet Routing Table: 44101 Prefixes per ASN: 10.31 Origin-only ASes present in the Internet Routing Table: 34624 Origin ASes announcing only one prefix: 16102 Transit ASes present in the Internet Routing Table: 5833 Transit-only ASes present in the Internet Routing Table: 152 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 30 Max AS path prepend of ASN ( 19037) 22 Prefixes from unregistered ASNs in the Routing Table: 320 Unregistered ASNs in the Routing Table: 136 Number of 32-bit ASNs allocated by the RIRs: 4770 Number of 32-bit ASNs visible in the Routing Table: 3644 Prefixes from 32-bit ASNs in the Routing Table: 10428 Special use prefixes present in the Routing Table: 23 Prefixes being announced from unallocated address space: 260 Number of addresses announced to Internet: 2616500460 Equivalent to 155 /8s, 244 /16s and 160 /24s Percentage of available address space announced: 70.7 Percentage of allocated address space announced: 70.7 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: 160213 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 109185 Total APNIC prefixes after maximum aggregation: 33486 APNIC Deaggregation factor: 3.26 Prefixes being announced from the APNIC address blocks: 110553 Unique aggregates announced from the APNIC address blocks: 44986 APNIC Region origin ASes present in the Internet Routing Table: 4845 APNIC Prefixes per ASN: 22.82 APNIC Region origin ASes announcing only one prefix: 1226 APNIC Region transit ASes present in the Internet Routing Table: 823 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 527 Number of APNIC addresses announced to Internet: 722376416 Equivalent to 43 /8s, 14 /16s and 150 /24s Percentage of available APNIC address space announced: 84.4 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: 159587 Total ARIN prefixes after maximum aggregation: 80307 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 160174 Unique aggregates announced from the ARIN address blocks: 73630 ARIN Region origin ASes present in the Internet Routing Table: 15701 ARIN Prefixes per ASN: 10.20 ARIN Region origin ASes announcing only one prefix: 5977 ARIN Region transit ASes present in the Internet Routing Table: 1634 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 19 Number of ARIN addresses announced to Internet: 1062085504 Equivalent to 63 /8s, 78 /16s and 35 /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: 117001 Total RIPE prefixes after maximum aggregation: 59797 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 120559 Unique aggregates announced from the RIPE address blocks: 77886 RIPE Region origin ASes present in the Internet Routing Table: 17174 RIPE Prefixes per ASN: 7.02 RIPE Region origin ASes announcing only one prefix: 8142 RIPE Region transit ASes present in the Internet Routing Table: 2800 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2332 Number of RIPE addresses announced to Internet: 656203364 Equivalent to 39 /8s, 28 /16s and 222 /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: 47606 Total LACNIC prefixes after maximum aggregation: 9289 LACNIC Deaggregation factor: 5.12 Prefixes being announced from the LACNIC address blocks: 51794 Unique aggregates announced from the LACNIC address blocks: 24339 LACNIC Region origin ASes present in the Internet Routing Table: 1932 LACNIC Prefixes per ASN: 26.81 LACNIC Region origin ASes announcing only one prefix: 573 LACNIC Region transit ASes present in the Internet Routing Table: 353 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 760 Number of LACNIC addresses announced to Internet: 129090344 Equivalent to 7 /8s, 177 /16s and 195 /24s Percentage of available LACNIC address space announced: 76.9 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: 10824 Total AfriNIC prefixes after maximum aggregation: 2492 AfriNIC Deaggregation factor: 4.34 Prefixes being announced from the AfriNIC address blocks: 11379 Unique aggregates announced from the AfriNIC address blocks: 3870 AfriNIC Region origin ASes present in the Internet Routing Table: 625 AfriNIC Prefixes per ASN: 18.21 AfriNIC Region origin ASes announcing only one prefix: 184 AfriNIC Region transit ASes present in the Internet Routing Table: 134 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: 46428416 Equivalent to 2 /8s, 196 /16s and 113 /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 11559 924 Korea Telecom (KIX) 17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA 7545 1980 320 108 TPG Internet Pty Ltd 4755 1729 391 192 TATA Communications formerly 9829 1510 1205 40 BSNL National Internet Backbo 9583 1219 91 502 Sify Limited 7552 1171 1064 12 Vietel Corporation 4808 1121 2112 328 CNCGROUP IP network: China169 9498 1109 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 3020 3693 81 bellsouth.net, inc. 7029 2143 1265 211 Windstream Communications Inc 18566 2067 382 184 Covad Communications 1785 1989 677 123 PaeTec Communications, Inc. 22773 1974 2929 125 Cox Communications, Inc. 20115 1668 1608 617 Charter Communications 4323 1620 1139 401 Time Warner Telecom 30036 1327 295 643 Mediacom Communications Corp 7018 1311 10819 848 AT&T WorldNet Services 11492 1231 220 345 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 1773 544 16 Corbina telecom 2118 1309 97 13 EUnet/RELCOM Autonomous Syste 34984 1204 240 228 BILISIM TELEKOM 20940 832 286 659 Akamai Technologies European 13188 820 97 84 Educational Network 31148 792 39 22 FreeNet ISP 8551 772 370 43 Bezeq International 6830 770 2376 443 UPC Distribution Services 12479 686 782 67 Uni2 Autonomous System 34744 676 173 56 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 2732 1528 113 NET Servicos de Comunicao S.A 10620 2631 412 224 TVCABLE BOGOTA 7303 1723 1153 221 Telecom Argentina Stet-France 8151 1247 2705 394 UniNet S.A. de C.V. 6503 979 435 68 AVANTEL, S.A. 18881 940 780 19 Global Village Telecom 27947 840 89 99 Telconet S.A 3816 706 306 85 Empresa Nacional de Telecomun 7738 698 1370 35 Telecomunicacoes da Bahia S.A 11172 608 87 64 Servicios Alestra S.A de C.V 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 885 274 32 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 445 956 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 22 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 3020 3693 81 bellsouth.net, inc. 4766 2958 11559 924 Korea Telecom (KIX) 28573 2732 1528 113 NET Servicos de Comunicao S.A 10620 2631 412 224 TVCABLE BOGOTA 17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA 7029 2143 1265 211 Windstream Communications Inc 18566 2067 382 184 Covad Communications 1785 1989 677 123 PaeTec Communications, Inc. 7545 1980 320 108 TPG Internet Pty Ltd 22773 1974 2929 125 Cox 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 28573 2732 2619 NET Servicos de Comunicao S.A 17974 2513 2423 PT TELEKOMUNIKASI INDONESIA 10620 2631 2407 TVCABLE BOGOTA 4766 2958 2034 Korea Telecom (KIX) 7029 2143 1932 Windstream Communications Inc 18566 2067 1883 Covad Communications 7545 1980 1872 TPG Internet Pty Ltd 1785 1989 1866 PaeTec Communications, Inc. 22773 1974 1849 Cox Communications, Inc. 8402 1773 1757 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 128.0.46.0/23 39743 Mobimax Telecom SRL 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 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 /10:30 /11:87 /12:248 /13:490 /14:882 /15:1567 /16:12689 /17:6625 /18:11182 /19:22118 /20:32017 /21:34142 /22:47283 /23:42242 /24:239077 /25:1308 /26:1689 /27:868 /28:44 /29:66 /30:18 /31:0 /32:18 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2018 2067 Covad Communications 6389 1733 3020 bellsouth.net, inc. 7029 1611 2143 Windstream Communications Inc 8402 1469 1773 Corbina telecom 22773 1283 1974 Cox Communications, Inc. 36998 1231 1237 MOBITEL 30036 1197 1327 Mediacom Communications Corp 11492 1192 1231 Cable One 1785 1062 1989 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) ---------------------------------------------- 1:803 2:756 3:3 4:15 5:879 6:7 8:557 12:1933 13:3 14:820 15:11 16:3 17:9 20:17 23:281 24:1767 27:1511 31:1286 32:43 33:2 34:5 36:28 37:1849 38:875 39:2 40:172 41:2785 42:192 44:6 46:1897 47:2 49:637 50:708 52:12 54:35 55:7 57:26 58:1141 59:571 60:313 61:1391 62:1090 63:2026 64:4327 65:2195 66:4359 67:2063 68:1128 69:3279 70:880 71:537 72:1924 74:2559 75:416 76:308 77:1111 78:1046 79:591 80:1255 81:994 82:624 83:557 84:530 85:1161 86:462 87:980 88:536 89:1792 90:162 91:5478 92:587 93:1706 94:1833 95:1490 96:529 97:344 98:1053 99:41 100:31 101:329 103:2593 105:519 106:153 107:209 108:520 109:1851 110:882 111:1053 112:516 113:799 114:710 115:946 116:912 117:789 118:1073 119:1287 120:408 121:724 122:1795 123:1215 124:1348 125:1354 128:637 129:224 130:325 131:653 132:341 133:149 134:262 135:66 136:221 137:265 138:345 139:197 140:207 141:327 142:549 143:382 144:485 145:92 146:514 147:405 148:696 149:373 150:160 151:569 152:418 153:199 154:43 155:394 156:264 157:399 158:277 159:729 160:357 161:427 162:434 163:218 164:594 165:450 166:300 167:585 168:1037 169:133 170:1026 171:178 172:22 173:1668 174:592 175:489 176:1291 177:2035 178:1875 179:6 180:1431 181:388 182:1210 183:379 184:677 185:438 186:2272 187:1322 188:2145 189:1358 190:6310 192:6653 193:5865 194:4630 195:3420 196:1332 197:906 198:4462 199:5290 200:5924 201:2252 202:8874 203:8844 204:4507 205:2569 206:2841 207:2897 208:4072 209:3623 210:2957 211:1559 212:2107 213:1952 214:914 215:98 216:5241 217:1605 218:615 219:330 220:1279 221:555 222:319 223:442 End of report
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