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 23 Feb, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 443622 Prefixes after maximum aggregation: 182606 Deaggregation factor: 2.43 Unique aggregates announced to Internet: 218011 Total ASes present in the Internet Routing Table: 43375 Prefixes per ASN: 10.23 Origin-only ASes present in the Internet Routing Table: 34205 Origin ASes announcing only one prefix: 15949 Transit ASes present in the Internet Routing Table: 5771 Transit-only ASes present in the Internet Routing Table: 136 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 30 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 387 Unregistered ASNs in the Routing Table: 144 Number of 32-bit ASNs allocated by the RIRs: 3775 Number of 32-bit ASNs visible in the Routing Table: 3399 Prefixes from 32-bit ASNs in the Routing Table: 9376 Special use prefixes present in the Routing Table: 17 Prefixes being announced from unallocated address space: 190 Number of addresses announced to Internet: 2617460108 Equivalent to 156 /8s, 3 /16s and 69 /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: 94.3 Total number of prefixes smaller than registry allocations: 156638 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 106390 Total APNIC prefixes after maximum aggregation: 33025 APNIC Deaggregation factor: 3.22 Prefixes being announced from the APNIC address blocks: 107470 Unique aggregates announced from the APNIC address blocks: 43851 APNIC Region origin ASes present in the Internet Routing Table: 4811 APNIC Prefixes per ASN: 22.34 APNIC Region origin ASes announcing only one prefix: 1235 APNIC Region transit ASes present in the Internet Routing Table: 815 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: 432 Number of APNIC addresses announced to Internet: 718525056 Equivalent to 42 /8s, 211 /16s and 210 /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: 156143 Total ARIN prefixes after maximum aggregation: 79021 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 156769 Unique aggregates announced from the ARIN address blocks: 71334 ARIN Region origin ASes present in the Internet Routing Table: 15482 ARIN Prefixes per ASN: 10.13 ARIN Region origin ASes announcing only one prefix: 5853 ARIN Region transit ASes present in the Internet Routing Table: 1610 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: 18 Number of ARIN addresses announced to Internet: 1076416640 Equivalent to 64 /8s, 40 /16s and 208 /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: 113911 Total RIPE prefixes after maximum aggregation: 58893 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 117124 Unique aggregates announced from the RIPE address blocks: 75274 RIPE Region origin ASes present in the Internet Routing Table: 17078 RIPE Prefixes per ASN: 6.86 RIPE Region origin ASes announcing only one prefix: 8146 RIPE Region transit ASes present in the Internet Routing Table: 2779 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2197 Number of RIPE addresses announced to Internet: 653652580 Equivalent to 38 /8s, 245 /16s and 242 /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: 47067 Total LACNIC prefixes after maximum aggregation: 9148 LACNIC Deaggregation factor: 5.15 Prefixes being announced from the LACNIC address blocks: 50872 Unique aggregates announced from the LACNIC address blocks: 23614 LACNIC Region origin ASes present in the Internet Routing Table: 1831 LACNIC Prefixes per ASN: 27.78 LACNIC Region origin ASes announcing only one prefix: 532 LACNIC Region transit ASes present in the Internet Routing Table: 345 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: 745 Number of LACNIC addresses announced to Internet: 123295272 Equivalent to 7 /8s, 89 /16s and 86 /24s Percentage of available LACNIC address space announced: 73.5 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: 10595 Total AfriNIC prefixes after maximum aggregation: 2461 AfriNIC Deaggregation factor: 4.31 Prefixes being announced from the AfriNIC address blocks: 11197 Unique aggregates announced from the AfriNIC address blocks: 3767 AfriNIC Region origin ASes present in the Internet Routing Table: 602 AfriNIC Prefixes per ASN: 18.60 AfriNIC Region origin ASes announcing only one prefix: 183 AfriNIC Region transit ASes present in the Internet Routing Table: 131 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7 Number of AfriNIC addresses announced to Internet: 45216512 Equivalent to 2 /8s, 177 /16s and 243 /24s Percentage of available AfriNIC address space announced: 44.9 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 2936 11558 925 Korea Telecom (KIX) 17974 2495 824 85 PT TELEKOMUNIKASI INDONESIA 7545 1827 301 89 TPG Internet Pty Ltd 4755 1692 382 189 TATA Communications formerly 9829 1424 1140 43 BSNL National Internet Backbo 9583 1207 90 499 Sify Limited 7552 1161 1070 12 Vietel Corporation 4808 1116 2057 321 CNCGROUP IP network: China169 9498 1063 310 75 BHARTI Airtel Ltd. 24560 1047 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 3057 3695 98 bellsouth.net, inc. 7029 2168 1265 210 Windstream Communications Inc 18566 2080 382 185 Covad Communications 22773 1991 2931 127 Cox Communications, Inc. 1785 1960 677 125 PaeTec Communications, Inc. 20115 1694 1610 619 Charter Communications 4323 1605 1140 398 Time Warner Telecom 30036 1349 289 678 Mediacom Communications Corp 7018 1310 10552 860 AT&T WorldNet Services 11492 1207 221 334 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 1825 544 16 Corbina telecom 2118 1115 97 13 EUnet/RELCOM Autonomous Syste 34984 1058 232 204 BILISIM TELEKOM 13188 840 99 22 Educational Network 12479 829 783 68 Uni2 Autonomous System 31148 762 39 20 FreeNet ISP 20940 748 253 591 Akamai Technologies European 6830 712 2313 433 UPC Distribution Services 8551 711 367 39 Bezeq International 34744 681 185 39 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 2410 1330 84 NET Servicos de Comunicao S.A 10620 2320 398 224 TVCABLE BOGOTA 7303 1681 1147 207 Telecom Argentina Stet-France 6503 1387 435 67 AVANTEL, S.A. 8151 1379 2818 395 UniNet S.A. de C.V. 14754 938 127 75 Telgua S. A. 18881 781 716 18 Global Village Telecom 27947 778 86 100 Telconet S.A 3816 685 306 85 Empresa Nacional de Telecomun 7738 613 1242 34 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 1285 80 4 MOBITEL 24863 897 274 36 LINKdotNET AS number 6713 535 615 23 Itissalat Al-MAGHRIB 8452 529 958 13 TEDATA 24835 342 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 186 696 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 3057 3695 98 bellsouth.net, inc. 4766 2936 11558 925 Korea Telecom (KIX) 17974 2495 824 85 PT TELEKOMUNIKASI INDONESIA 28573 2410 1330 84 NET Servicos de Comunicao S.A 10620 2320 398 224 TVCABLE BOGOTA 7029 2168 1265 210 Windstream Communications Inc 18566 2080 382 185 Covad Communications 22773 1991 2931 127 Cox Communications, Inc. 1785 1960 677 125 PaeTec Communications, Inc. 7545 1827 301 89 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 17974 2495 2410 PT TELEKOMUNIKASI INDONESIA 28573 2410 2326 NET Servicos de Comunicao S.A 10620 2320 2096 TVCABLE BOGOTA 4766 2936 2011 Korea Telecom (KIX) 7029 2168 1958 Windstream Communications Inc 18566 2080 1895 Covad Communications 22773 1991 1864 Cox Communications, Inc. 1785 1960 1835 PaeTec Communications, Inc. 8402 1825 1809 Corbina telecom 7545 1827 1738 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 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. 64.185.228.0/24 27431 JTL Networks Inc. 64.185.229.0/24 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 /12:247 /13:483 /14:867 /15:1557 /16:12575 /17:6593 /18:10942 /19:21753 /20:31257 /21:33443 /22:45742 /23:41149 /24:232590 /25:1386 /26:1752 /27:859 /28:184 /29:60 /30:15 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2030 2080 Covad Communications 6389 1755 3057 bellsouth.net, inc. 7029 1556 2168 Windstream Communications Inc 8402 1551 1825 Corbina telecom 22773 1304 1991 Cox Communications, Inc. 36998 1279 1285 MOBITEL 30036 1240 1349 Mediacom Communications Corp 11492 1169 1207 Cable One 1785 1039 1960 PaeTec Communications, Inc. 7011 954 1199 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:681 2:723 3:3 4:13 5:752 6:3 8:500 12:1931 13:3 14:745 15:11 16:3 17:8 20:24 23:241 24:1801 27:1461 31:1130 32:54 33:2 34:5 36:11 37:1291 38:853 39:2 40:141 41:2664 42:178 44:3 46:1762 47:1 49:611 50:660 52:12 54:28 55:7 57:28 58:1074 59:559 60:259 61:1321 62:1025 63:2026 64:4308 65:2176 66:4270 67:2037 68:1124 69:3261 70:861 71:523 72:1886 74:2548 75:415 76:291 77:1091 78:1043 79:573 80:1223 81:970 82:627 83:542 84:557 85:1158 86:476 87:930 88:378 89:1752 90:265 91:5428 92:621 93:1736 94:2075 95:1585 96:494 97:336 98:1040 99:52 100:30 101:309 103:2156 105:519 106:133 107:206 108:511 109:1767 110:852 111:1014 112:490 113:737 114:687 115:931 116:876 117:792 118:974 119:1269 120:371 121:702 122:1725 123:1188 124:1315 125:1311 128:539 129:199 130:316 131:641 132:327 133:143 134:261 135:62 136:221 137:236 138:341 139:167 140:218 141:314 142:525 143:376 144:477 145:88 146:529 147:347 148:711 149:350 150:165 151:403 152:400 153:191 154:29 155:370 156:243 157:391 158:263 159:709 160:335 161:422 162:369 163:203 164:573 165:447 166:437 167:574 168:1008 169:131 170:1022 171:164 172:4 173:1551 174:579 175:424 176:1121 177:1685 178:1743 180:1374 181:234 182:1185 183:329 184:641 185:251 186:2286 187:1296 188:1928 189:1512 190:6621 192:6357 193:5664 194:4508 195:3493 196:1314 197:909 198:4158 199:5223 200:6071 201:2199 202:8917 203:8732 204:4486 205:2561 206:2792 207:2815 208:4068 209:3521 210:2902 211:1555 212:1977 213:1921 214:902 215:91 216:5215 217:1581 218:601 219:326 220:1265 221:549 222:326 223:463 End of report