Weekly Routing Table Report
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@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 09 Feb, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 442644 Prefixes after maximum aggregation: 182109 Deaggregation factor: 2.43 Unique aggregates announced to Internet: 217103 Total ASes present in the Internet Routing Table: 43259 Prefixes per ASN: 10.23 Origin-only ASes present in the Internet Routing Table: 34144 Origin ASes announcing only one prefix: 15933 Transit ASes present in the Internet Routing Table: 5751 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: 29 Max AS path prepend of ASN ( 35412) 17 Prefixes from unregistered ASNs in the Routing Table: 379 Unregistered ASNs in the Routing Table: 135 Number of 32-bit ASNs allocated by the RIRs: 3742 Number of 32-bit ASNs visible in the Routing Table: 3364 Prefixes from 32-bit ASNs in the Routing Table: 9204 Special use prefixes present in the Routing Table: 17 Prefixes being announced from unallocated address space: 196 Number of addresses announced to Internet: 2615509516 Equivalent to 155 /8s, 229 /16s and 130 /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: 94.3 Total number of prefixes smaller than registry allocations: 156304 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 106381 Total APNIC prefixes after maximum aggregation: 33119 APNIC Deaggregation factor: 3.21 Prefixes being announced from the APNIC address blocks: 107440 Unique aggregates announced from the APNIC address blocks: 43969 APNIC Region origin ASes present in the Internet Routing Table: 4818 APNIC Prefixes per ASN: 22.30 APNIC Region origin ASes announcing only one prefix: 1238 APNIC Region transit ASes present in the Internet Routing Table: 801 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 423 Number of APNIC addresses announced to Internet: 718725120 Equivalent to 42 /8s, 214 /16s and 224 /24s Percentage of available APNIC address space announced: 84.0 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: 155461 Total ARIN prefixes after maximum aggregation: 78762 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 156125 Unique aggregates announced from the ARIN address blocks: 70765 ARIN Region origin ASes present in the Internet Routing Table: 15450 ARIN Prefixes per ASN: 10.11 ARIN Region origin ASes announcing only one prefix: 5837 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: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 18 Number of ARIN addresses announced to Internet: 1075995264 Equivalent to 64 /8s, 34 /16s and 98 /24s Percentage of available ARIN address space announced: 56.9 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: 114050 Total RIPE prefixes after maximum aggregation: 58645 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 117158 Unique aggregates announced from the RIPE address blocks: 74928 RIPE Region origin ASes present in the Internet Routing Table: 17055 RIPE Prefixes per ASN: 6.87 RIPE Region origin ASes announcing only one prefix: 8160 RIPE Region transit ASes present in the Internet Routing Table: 2785 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2174 Number of RIPE addresses announced to Internet: 653118564 Equivalent to 38 /8s, 237 /16s and 204 /24s Percentage of available RIPE address space announced: 94.9 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: 46948 Total LACNIC prefixes after maximum aggregation: 9123 LACNIC Deaggregation factor: 5.15 Prefixes being announced from the LACNIC address blocks: 50659 Unique aggregates announced from the LACNIC address blocks: 23552 LACNIC Region origin ASes present in the Internet Routing Table: 1810 LACNIC Prefixes per ASN: 27.99 LACNIC Region origin ASes announcing only one prefix: 521 LACNIC Region transit ASes present in the Internet Routing Table: 337 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: 742 Number of LACNIC addresses announced to Internet: 123125544 Equivalent to 7 /8s, 86 /16s and 191 /24s Percentage of available LACNIC address space announced: 73.4 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: 10472 Total AfriNIC prefixes after maximum aggregation: 2408 AfriNIC Deaggregation factor: 4.35 Prefixes being announced from the AfriNIC address blocks: 11066 Unique aggregates announced from the AfriNIC address blocks: 3716 AfriNIC Region origin ASes present in the Internet Routing Table: 593 AfriNIC Prefixes per ASN: 18.66 AfriNIC Region origin ASes announcing only one prefix: 177 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: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7 Number of AfriNIC addresses announced to Internet: 44187648 Equivalent to 2 /8s, 162 /16s and 64 /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 2942 11558 924 Korea Telecom (KIX) 17974 2482 824 84 PT TELEKOMUNIKASI INDONESIA 7545 1824 301 88 TPG Internet Pty Ltd 4755 1684 382 190 TATA Communications formerly 9829 1428 1145 45 BSNL National Internet Backbo 9583 1204 90 499 Sify Limited 7552 1161 1070 12 Vietel Corporation 4808 1109 2040 316 CNCGROUP IP network: China169 9498 1058 310 75 BHARTI Airtel Ltd. 24560 1044 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 3071 3697 105 bellsouth.net, inc. 7029 2263 1265 211 Windstream Communications Inc 18566 2081 382 183 Covad Communications 22773 1966 2931 128 Cox Communications, Inc. 1785 1953 678 125 PaeTec Communications, Inc. 20115 1689 1609 624 Charter Communications 4323 1600 1155 395 Time Warner Telecom 30036 1342 287 689 Mediacom Communications Corp 7018 1305 10552 859 AT&T WorldNet Services 7011 1200 316 683 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 1872 544 16 Corbina telecom 2118 1114 97 13 EUnet/RELCOM Autonomous Syste 34984 1052 232 204 BILISIM TELEKOM 13188 854 99 22 Educational Network 12479 840 782 68 Uni2 Autonomous System 31148 757 39 17 FreeNet ISP 20940 747 255 590 Akamai Technologies European 8551 716 367 39 Bezeq International 6830 713 2313 434 UPC Distribution Services 34744 669 186 47 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 2356 1325 86 NET Servicos de Comunicao S.A 10620 2311 396 225 TVCABLE BOGOTA 7303 1679 1147 206 Telecom Argentina Stet-France 8151 1511 2830 390 UniNet S.A. de C.V. 6503 1473 435 67 AVANTEL, S.A. 14754 940 120 78 Telgua S. A. 27947 775 86 97 Telconet S.A 18881 758 716 18 Global Village Telecom 3816 683 306 86 Empresa Nacional de Telecomun 11172 604 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 1286 80 4 MOBITEL 24863 898 275 36 LINKdotNET AS number 8452 534 958 13 TEDATA 6713 499 602 20 Itissalat Al-MAGHRIB 24835 329 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 16637 191 696 90 MTN Network Solutions 29975 191 667 21 Vodacom 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 3071 3697 105 bellsouth.net, inc. 4766 2942 11558 924 Korea Telecom (KIX) 17974 2482 824 84 PT TELEKOMUNIKASI INDONESIA 28573 2356 1325 86 NET Servicos de Comunicao S.A 10620 2311 396 225 TVCABLE BOGOTA 7029 2263 1265 211 Windstream Communications Inc 18566 2081 382 183 Covad Communications 22773 1966 2931 128 Cox Communications, Inc. 1785 1953 678 125 PaeTec Communications, Inc. 8402 1872 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 2482 2398 PT TELEKOMUNIKASI INDONESIA 28573 2356 2270 NET Servicos de Comunicao S.A 10620 2311 2086 TVCABLE BOGOTA 7029 2263 2052 Windstream Communications Inc 4766 2942 2018 Korea Telecom (KIX) 18566 2081 1898 Covad Communications 8402 1872 1856 Corbina telecom 22773 1966 1838 Cox Communications, Inc. 1785 1953 1828 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 128.0.16.0/21 43568 RIPE Network Coordination Cen 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 Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.210.16.0/22 15657 Neural Networks ASN 41.138.95.0/24 36930 ZanZibar Telecom 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 /8:17 /9:13 /10:29 /11:88 /12:246 /13:482 /14:865 /15:1551 /16:12571 /17:6599 /18:10990 /19:21739 /20:31215 /21:33260 /22:45385 /23:41009 /24:232313 /25:1374 /26:1745 /27:861 /28:181 /29:74 /30:16 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2031 2081 Covad Communications 6389 1759 3071 bellsouth.net, inc. 7029 1637 2263 Windstream Communications Inc 8402 1601 1872 Corbina telecom 22773 1292 1966 Cox Communications, Inc. 36998 1280 1286 MOBITEL 30036 1234 1342 Mediacom Communications Corp 11492 1158 1195 Cable One 1785 1033 1953 PaeTec Communications, Inc. 6503 983 1473 AVANTEL, S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:668 2:731 3:3 4:13 5:748 6:3 8:486 12:1930 13:3 14:738 15:11 16:3 17:8 20:24 23:237 24:1801 27:1474 31:1129 32:54 33:2 34:5 36:10 37:1299 38:846 39:2 40:141 41:2685 42:179 44:4 46:1735 47:1 49:577 50:648 52:12 54:28 55:7 57:28 58:1082 59:559 60:251 61:1317 62:1025 63:2025 64:4320 65:2143 66:4272 67:2022 68:1121 69:3248 70:858 71:532 72:1876 74:2536 75:421 76:291 77:1072 78:1028 79:555 80:1226 81:992 82:638 83:539 84:574 85:1150 86:475 87:980 88:376 89:1743 90:286 91:5384 92:626 93:1706 94:2030 95:1607 96:490 97:334 98:1049 99:52 100:30 101:313 103:2094 105:519 106:132 107:207 108:511 109:1765 110:854 111:1012 112:480 113:735 114:685 115:922 116:873 117:792 118:980 119:1267 120:375 121:699 122:1734 123:1190 124:1317 125:1309 128:548 129:201 130:313 131:649 132:326 133:143 134:260 135:62 136:222 137:235 138:342 139:155 140:216 141:315 142:501 143:390 144:481 145:88 146:530 147:357 148:727 149:341 150:158 151:400 152:395 153:190 154:27 155:370 156:241 157:392 158:259 159:697 160:334 161:422 162:361 163:203 164:580 165:448 166:439 167:573 168:1009 169:131 170:1016 171:164 172:4 173:1545 174:613 175:421 176:1123 177:1677 178:1739 180:1373 181:220 182:1147 183:317 184:632 185:217 186:2268 187:1421 188:1967 189:1548 190:6641 192:6320 193:5672 194:4640 195:3650 196:1302 197:848 198:4131 199:5195 200:6045 201:2182 202:8895 203:8770 204:4439 205:2542 206:2798 207:2804 208:4056 209:3514 210:2919 211:1568 212:2013 213:1887 214:904 215:93 216:5088 217:1582 218:592 219:328 220:1264 221:550 222:337 223:422 End of report
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