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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jan 18 19:32:38 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 19 Jan, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 438891 Prefixes after maximum aggregation: 181575 Deaggregation factor: 2.42 Unique aggregates announced to Internet: 216035 Total ASes present in the Internet Routing Table: 43066 Prefixes per ASN: 10.19 Origin-only ASes present in the Internet Routing Table: 34033 Origin ASes announcing only one prefix: 15897 Transit ASes present in the Internet Routing Table: 5730 Transit-only ASes present in the Internet Routing Table: 135 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 32 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 378 Unregistered ASNs in the Routing Table: 127 Number of 32-bit ASNs allocated by the RIRs: 3668 Number of 32-bit ASNs visible in the Routing Table: 3303 Prefixes from 32-bit ASNs in the Routing Table: 9072 Special use prefixes present in the Routing Table: 16 Prefixes being announced from unallocated address space: 190 Number of addresses announced to Internet: 2628231852 Equivalent to 156 /8s, 167 /16s and 162 /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: 94.1 Total number of prefixes smaller than registry allocations: 154509 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 105723 Total APNIC prefixes after maximum aggregation: 32993 APNIC Deaggregation factor: 3.20 Prefixes being announced from the APNIC address blocks: 106736 Unique aggregates announced from the APNIC address blocks: 43694 APNIC Region origin ASes present in the Internet Routing Table: 4816 APNIC Prefixes per ASN: 22.16 APNIC Region origin ASes announcing only one prefix: 1244 APNIC Region transit ASes present in the Internet Routing Table: 811 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: 411 Number of APNIC addresses announced to Internet: 717390240 Equivalent to 42 /8s, 194 /16s and 129 /24s Percentage of available APNIC address space announced: 83.8 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: 155380 Total ARIN prefixes after maximum aggregation: 78597 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 156021 Unique aggregates announced from the ARIN address blocks: 70747 ARIN Region origin ASes present in the Internet Routing Table: 15392 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5807 ARIN Region transit ASes present in the Internet Routing Table: 1589 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: 1091767936 Equivalent to 65 /8s, 19 /16s and 14 /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: 112910 Total RIPE prefixes after maximum aggregation: 58438 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 115981 Unique aggregates announced from the RIPE address blocks: 74317 RIPE Region origin ASes present in the Internet Routing Table: 17025 RIPE Prefixes per ASN: 6.81 RIPE Region origin ASes announcing only one prefix: 8151 RIPE Region transit ASes present in the Internet Routing Table: 2782 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: 2132 Number of RIPE addresses announced to Internet: 653036644 Equivalent to 38 /8s, 236 /16s and 140 /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: 45853 Total LACNIC prefixes after maximum aggregation: 9114 LACNIC Deaggregation factor: 5.03 Prefixes being announced from the LACNIC address blocks: 49564 Unique aggregates announced from the LACNIC address blocks: 23413 LACNIC Region origin ASes present in the Internet Routing Table: 1778 LACNIC Prefixes per ASN: 27.88 LACNIC Region origin ASes announcing only one prefix: 512 LACNIC Region transit ASes present in the Internet Routing Table: 332 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: 738 Number of LACNIC addresses announced to Internet: 121459752 Equivalent to 7 /8s, 61 /16s and 84 /24s Percentage of available LACNIC address space announced: 72.4 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: 9826 Total AfriNIC prefixes after maximum aggregation: 2381 AfriNIC Deaggregation factor: 4.13 Prefixes being announced from the AfriNIC address blocks: 10399 Unique aggregates announced from the AfriNIC address blocks: 3695 AfriNIC Region origin ASes present in the Internet Routing Table: 587 AfriNIC Prefixes per ASN: 17.72 AfriNIC Region origin ASes announcing only one prefix: 183 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: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 44219904 Equivalent to 2 /8s, 162 /16s and 190 /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 1818 301 86 TPG Internet Pty Ltd 4755 1668 381 175 TATA Communications formerly 9829 1425 1156 42 BSNL National Internet Backbo 9583 1201 89 502 Sify Limited 7552 1147 1070 12 Vietel Corporation 4808 1125 2040 316 CNCGROUP IP network: China169 9498 1050 310 74 BHARTI Airtel Ltd. 24560 1037 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 3107 3700 125 bellsouth.net, inc. 7029 2286 1265 212 Windstream Communications Inc 18566 2081 382 180 Covad Communications 22773 1960 2931 128 Cox Communications, Inc. 1785 1947 678 124 PaeTec Communications, Inc. 20115 1686 1606 626 Charter Communications 4323 1601 1155 395 Time Warner Telecom 30036 1348 287 698 Mediacom Communications Corp 7018 1298 10550 860 AT&T WorldNet Services 7011 1206 321 685 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 1836 544 16 Corbina telecom 2118 1432 97 13 EUnet/RELCOM Autonomous Syste 34984 917 227 211 BILISIM TELEKOM 12479 833 778 65 Uni2 Autonomous System 13188 784 96 91 Educational Network 31148 744 38 14 FreeNet ISP 20940 724 242 574 Akamai Technologies European 6830 713 2313 434 UPC Distribution Services 8551 653 367 39 Bezeq International 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 10620 2290 391 229 TVCABLE BOGOTA 28573 2267 1302 78 NET Servicos de Comunicao S.A 7303 1670 1139 204 Telecom Argentina Stet-France 8151 1532 2877 364 UniNet S.A. de C.V. 6503 1454 435 67 AVANTEL, S.A. 27947 771 85 96 Telconet S.A 18881 741 716 18 Global Village Telecom 3816 672 306 85 Empresa Nacional de Telecomun 11172 603 86 67 Servicios Alestra S.A de C.V 7738 587 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 24863 890 275 36 LINKdotNET AS number 36998 774 80 4 MOBITEL 8452 545 958 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 16637 192 696 91 MTN Network Solutions 15706 191 32 6 Sudatel Internet Exchange Aut 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 3107 3700 125 bellsouth.net, inc. 4766 2939 11556 920 Korea Telecom (KIX) 17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA 10620 2290 391 229 TVCABLE BOGOTA 7029 2286 1265 212 Windstream Communications Inc 28573 2267 1302 78 NET Servicos de Comunicao S.A 18566 2081 382 180 Covad Communications 22773 1960 2931 128 Cox Communications, Inc. 1785 1947 678 124 PaeTec Communications, Inc. 8402 1836 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 2267 2189 NET Servicos de Comunicao S.A 7029 2286 2074 Windstream Communications Inc 10620 2290 2061 TVCABLE BOGOTA 4766 2939 2019 Korea Telecom (KIX) 18566 2081 1901 Covad Communications 22773 1960 1832 Cox Communications, Inc. 1785 1947 1823 PaeTec Communications, Inc. 8402 1836 1820 Corbina telecom 7545 1818 1732 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 128.0.64.0/22 49466 Declic Telecom SAS 128.0.68.0/22 49466 Declic Telecom SAS 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 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 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 /14:864 /15:1555 /16:12524 /17:6581 /18:10940 /19:21637 /20:31137 /21:33145 /22:44518 /23:40787 /24:230150 /25:1317 /26:1698 /27:870 /28:182 /29:74 /30:17 /31:0 /32:22 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2031 2081 Covad Communications 6389 1771 3107 bellsouth.net, inc. 7029 1643 2286 Windstream Communications Inc 8402 1549 1836 Corbina telecom 22773 1293 1960 Cox Communications, Inc. 30036 1245 1348 Mediacom Communications Corp 11492 1157 1194 Cable One 1785 1029 1947 PaeTec Communications, Inc. 6503 980 1454 AVANTEL, S.A. 7011 955 1206 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:697 2:767 3:3 4:13 5:721 6:3 8:488 12:1928 13:3 14:710 15:11 16:3 17:8 20:27 23:224 24:1800 27:1483 31:1121 32:54 33:2 34:3 36:9 37:1175 38:843 39:2 40:138 41:2668 42:180 44:3 46:1736 47:1 49:536 50:652 52:12 54:28 55:7 57:28 58:1075 59:560 60:242 61:1316 62:1019 63:2050 64:4303 65:2163 66:4315 67:2086 68:1120 69:3253 70:859 71:537 72:1879 74:2545 75:418 76:297 77:1020 78:1026 79:536 80:1229 81:986 82:662 83:537 84:529 85:1157 86:470 87:969 88:364 89:1728 90:283 91:5397 92:608 93:1652 94:1984 95:1519 96:487 97:338 98:1055 99:52 100:31 101:298 103:2019 105:528 106:129 107:208 108:503 109:1726 110:844 111:996 112:467 113:749 114:684 115:926 116:905 117:782 118:964 119:1284 120:328 121:700 122:1730 123:1180 124:1324 125:1297 128:564 129:201 130:308 131:642 132:326 133:142 134:255 135:62 136:218 137:232 138:340 139:159 140:216 141:311 142:519 143:366 144:481 145:89 146:525 147:329 148:733 149:335 150:159 151:257 152:399 153:188 154:24 155:417 156:234 157:385 158:257 159:698 160:335 161:411 162:366 163:195 164:585 165:459 166:457 167:571 168:1005 169:131 170:993 171:162 172:4 173:1551 174:755 175:422 176:1036 177:1584 178:1678 180:1342 181:211 182:1165 183:313 184:633 185:169 186:2227 187:1463 188:1892 189:1562 190:6371 192:6157 193:5849 194:4671 195:3658 196:1247 197:316 198:4082 199:5173 200:5977 201:2143 202:8800 203:8744 204:4467 205:2548 206:2794 207:2785 208:4071 209:3519 210:2907 211:1561 212:1999 213:1878 214:899 215:91 216:5060 217:1578 218:599 219:325 220:1266 221:528 222:324 223:401 End of report
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