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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jan 25 19:33:21 CET 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 26 Jan, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 440067 Prefixes after maximum aggregation: 181581 Deaggregation factor: 2.42 Unique aggregates announced to Internet: 216316 Total ASes present in the Internet Routing Table: 43092 Prefixes per ASN: 10.21 Origin-only ASes present in the Internet Routing Table: 34035 Origin ASes announcing only one prefix: 15882 Transit ASes present in the Internet Routing Table: 5748 Transit-only ASes present in the Internet Routing Table: 139 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 32 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 383 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 3702 Number of 32-bit ASNs visible in the Routing Table: 3309 Prefixes from 32-bit ASNs in the Routing Table: 9101 Special use prefixes present in the Routing Table: 16 Prefixes being announced from unallocated address space: 190 Number of addresses announced to Internet: 2629230732 Equivalent to 156 /8s, 182 /16s and 224 /24s Percentage of available address space announced: 71.0 Percentage of allocated address space announced: 71.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.2 Total number of prefixes smaller than registry allocations: 155150 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 105770 Total APNIC prefixes after maximum aggregation: 32979 APNIC Deaggregation factor: 3.21 Prefixes being announced from the APNIC address blocks: 106800 Unique aggregates announced from the APNIC address blocks: 43763 APNIC Region origin ASes present in the Internet Routing Table: 4813 APNIC Prefixes per ASN: 22.19 APNIC Region origin ASes announcing only one prefix: 1241 APNIC Region transit ASes present in the Internet Routing Table: 810 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 413 Number of APNIC addresses announced to Internet: 717487744 Equivalent to 42 /8s, 195 /16s and 254 /24s Percentage of available APNIC address space announced: 83.9 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: 155256 Total ARIN prefixes after maximum aggregation: 78615 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 155898 Unique aggregates announced from the ARIN address blocks: 70752 ARIN Region origin ASes present in the Internet Routing Table: 15412 ARIN Prefixes per ASN: 10.12 ARIN Region origin ASes announcing only one prefix: 5816 ARIN Region transit ASes present in the Internet Routing Table: 1597 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1091710336 Equivalent to 65 /8s, 18 /16s and 45 /24s Percentage of available ARIN address space announced: 57.8 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, 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: 113291 Total RIPE prefixes after maximum aggregation: 58417 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 116355 Unique aggregates announced from the RIPE address blocks: 74458 RIPE Region origin ASes present in the Internet Routing Table: 17017 RIPE Prefixes per ASN: 6.84 RIPE Region origin ASes announcing only one prefix: 8133 RIPE Region transit ASes present in the Internet Routing Table: 2783 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2143 Number of RIPE addresses announced to Internet: 653189988 Equivalent to 38 /8s, 238 /16s and 227 /24s Percentage of available RIPE address space announced: 95.0 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: 46280 Total LACNIC prefixes after maximum aggregation: 9120 LACNIC Deaggregation factor: 5.07 Prefixes being announced from the LACNIC address blocks: 49993 Unique aggregates announced from the LACNIC address blocks: 23482 LACNIC Region origin ASes present in the Internet Routing Table: 1787 LACNIC Prefixes per ASN: 27.98 LACNIC Region origin ASes announcing only one prefix: 513 LACNIC Region transit ASes present in the Internet Routing Table: 335 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 729 Number of LACNIC addresses announced to Internet: 122320936 Equivalent to 7 /8s, 74 /16s and 120 /24s Percentage of available LACNIC address space announced: 72.9 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 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: 10236 Total AfriNIC prefixes after maximum aggregation: 2399 AfriNIC Deaggregation factor: 4.27 Prefixes being announced from the AfriNIC address blocks: 10831 Unique aggregates announced from the AfriNIC address blocks: 3692 AfriNIC Region origin ASes present in the Internet Routing Table: 586 AfriNIC Prefixes per ASN: 18.48 AfriNIC Region origin ASes announcing only one prefix: 179 AfriNIC Region transit ASes present in the Internet Routing Table: 127 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7 Number of AfriNIC addresses announced to Internet: 44169216 Equivalent to 2 /8s, 161 /16s and 248 /24s Percentage of available AfriNIC address space announced: 43.9 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 2939 11556 920 Korea Telecom (KIX) 17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA 7545 1824 301 88 TPG Internet Pty Ltd 4755 1669 380 174 TATA Communications formerly 9829 1426 1152 45 BSNL National Internet Backbo 9583 1204 89 502 Sify Limited 7552 1140 1070 12 Vietel Corporation 4808 1124 2040 316 CNCGROUP IP network: China169 9498 1052 310 75 BHARTI Airtel Ltd. 24560 1040 385 160 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 3100 3700 119 bellsouth.net, inc. 7029 2286 1265 211 Windstream Communications Inc 18566 2081 382 180 Covad Communications 22773 1961 2931 128 Cox Communications, Inc. 1785 1949 678 124 PaeTec Communications, Inc. 20115 1687 1607 627 Charter Communications 4323 1598 1155 394 Time Warner Telecom 30036 1356 289 692 Mediacom Communications Corp 7018 1299 10550 861 AT&T WorldNet Services 7011 1207 319 687 Citizens Utilities 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 1869 544 16 Corbina telecom 2118 1432 97 13 EUnet/RELCOM Autonomous Syste 34984 932 231 205 BILISIM TELEKOM 13188 841 99 22 Educational Network 12479 833 778 65 Uni2 Autonomous System 31148 747 38 16 FreeNet ISP 20940 732 247 581 Akamai Technologies European 8551 715 367 39 Bezeq International 6830 713 2313 434 UPC Distribution Services 58113 633 70 378 LIR DATACENTER TELECOM 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 2329 1315 81 NET Servicos de Comunicao S.A 10620 2301 394 224 TVCABLE BOGOTA 7303 1671 1139 205 Telecom Argentina Stet-France 8151 1538 2894 372 UniNet S.A. de C.V. 6503 1454 435 67 AVANTEL, S.A. 27947 772 85 95 Telconet S.A 18881 755 716 18 Global Village Telecom 14754 722 76 161 Telgua S. A. 3816 674 306 85 Empresa Nacional de Telecomun 11172 603 86 67 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 1091 80 4 MOBITEL 24863 896 275 36 LINKdotNET AS number 8452 553 958 13 TEDATA 6713 499 602 20 Itissalat Al-MAGHRIB 24835 282 80 8 RAYA Telecom - Egypt 3741 266 906 224 The Internet Solution 12258 193 28 67 Vodacom Internet Company 15706 191 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 16637 190 696 90 MTN Network Solutions 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 3100 3700 119 bellsouth.net, inc. 4766 2939 11556 920 Korea Telecom (KIX) 17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA 28573 2329 1315 81 NET Servicos de Comunicao S.A 10620 2301 394 224 TVCABLE BOGOTA 7029 2286 1265 211 Windstream Communications Inc 18566 2081 382 180 Covad Communications 22773 1961 2931 128 Cox Communications, Inc. 1785 1949 678 124 PaeTec Communications, Inc. 8402 1869 544 16 Corbina telecom Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 17974 2474 2421 PT TELEKOMUNIKASI INDONESIA 28573 2329 2248 NET Servicos de Comunicao S.A 10620 2301 2077 TVCABLE BOGOTA 7029 2286 2075 Windstream Communications Inc 4766 2939 2019 Korea Telecom (KIX) 18566 2081 1901 Covad Communications 8402 1869 1853 Corbina telecom 22773 1961 1833 Cox Communications, Inc. 1785 1949 1825 PaeTec Communications, Inc. 7545 1824 1736 TPG Internet Pty Ltd 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 128.0.24.0/21 41794 Altline LLC 128.0.60.0/23 57417 INTERNET TASMANIA SRL 128.0.62.0/23 57417 INTERNET TASMANIA SRL 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.96.0/21 12886 LEWTelNet GmbH 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.106.0/24 23456 32-bit ASN transition 128.0.128.0/20 29285 AMT closed joint-stock compan Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.112.114.0/24 23884 Proimage Engineering and Comm 31.210.16.0/22 15657 Neural Networks ASN 41.222.80.0/21 37110 Moztel LDA 62.12.96.0/19 38478 SunnyVision Limited 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. 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 /8:18 /9:13 /10:29 /11:88 /12:246 /13:479 /14:866 /15:1555 /16:12526 /17:6587 /18:10922 /19:21668 /20:31115 /21:33183 /22:44851 /23:40705 /24:231073 /25:1320 /26:1666 /27:866 /28:181 /29:76 /30:17 /31:0 /32:17 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2031 2081 Covad Communications 6389 1770 3100 bellsouth.net, inc. 7029 1643 2286 Windstream Communications Inc 8402 1581 1869 Corbina telecom 22773 1292 1961 Cox Communications, Inc. 30036 1250 1356 Mediacom Communications Corp 11492 1158 1195 Cable One 36998 1085 1091 MOBITEL 1785 1030 1949 PaeTec Communications, Inc. 6503 980 1454 AVANTEL, S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:700 2:777 3:3 4:13 5:722 6:3 8:490 12:1927 13:3 14:711 15:11 16:3 17:8 20:27 23:221 24:1803 27:1483 31:1132 32:54 33:2 34:5 36:9 37:1212 38:851 39:2 40:139 41:2721 42:180 44:4 46:1739 47:1 49:533 50:669 52:12 54:28 55:3 57:28 58:1074 59:560 60:249 61:1315 62:1034 63:2039 64:4315 65:2162 66:4265 67:2021 68:1120 69:3231 70:857 71:535 72:1879 74:2545 75:426 76:294 77:1030 78:1036 79:564 80:1224 81:980 82:647 83:535 84:573 85:1160 86:474 87:971 88:367 89:1732 90:285 91:5383 92:608 93:1651 94:2013 95:1592 96:484 97:331 98:1051 99:52 100:30 101:292 103:2031 105:530 106:129 107:208 108:503 109:1740 110:848 111:1001 112:473 113:750 114:676 115:926 116:886 117:785 118:964 119:1285 120:328 121:699 122:1723 123:1172 124:1315 125:1298 128:565 129:202 130:311 131:626 132:321 133:142 134:255 135:62 136:219 137:231 138:340 139:156 140:207 141:313 142:516 143:373 144:476 145:90 146:523 147:332 148:731 149:341 150:160 151:286 152:398 153:190 154:24 155:450 156:237 157:393 158:258 159:703 160:334 161:420 162:367 163:202 164:579 165:458 166:459 167:571 168:1005 169:131 170:1005 171:163 172:4 173:1555 174:757 175:427 176:1018 177:1626 178:1689 180:1375 181:214 182:1162 183:312 184:634 185:182 186:2240 187:1468 188:1898 189:1545 190:6512 192:6170 193:5835 194:4669 195:3659 196:1264 197:639 198:4078 199:5169 200:6015 201:2174 202:8803 203:8749 204:4468 205:2541 206:2798 207:2786 208:4064 209:3523 210:2902 211:1558 212:2011 213:1878 214:919 215:91 216:5048 217:1571 218:594 219:326 220:1267 221:527 222:337 223:412 End of report
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