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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Feb 1 19:33:52 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 02 Feb, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 440794 Prefixes after maximum aggregation: 181771 Deaggregation factor: 2.42 Unique aggregates announced to Internet: 216723 Total ASes present in the Internet Routing Table: 43204 Prefixes per ASN: 10.20 Origin-only ASes present in the Internet Routing Table: 34128 Origin ASes announcing only one prefix: 15925 Transit ASes present in the Internet Routing Table: 5738 Transit-only ASes present in the Internet Routing Table: 143 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 44 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 386 Unregistered ASNs in the Routing Table: 132 Number of 32-bit ASNs allocated by the RIRs: 3721 Number of 32-bit ASNs visible in the Routing Table: 3338 Prefixes from 32-bit ASNs in the Routing Table: 9176 Special use prefixes present in the Routing Table: 17 Prefixes being announced from unallocated address space: 211 Number of addresses announced to Internet: 2614575756 Equivalent to 155 /8s, 215 /16s and 66 /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: 94.2 Total number of prefixes smaller than registry allocations: 155465 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 105955 Total APNIC prefixes after maximum aggregation: 33038 APNIC Deaggregation factor: 3.21 Prefixes being announced from the APNIC address blocks: 107002 Unique aggregates announced from the APNIC address blocks: 43739 APNIC Region origin ASes present in the Internet Routing Table: 4815 APNIC Prefixes per ASN: 22.22 APNIC Region origin ASes announcing only one prefix: 1240 APNIC Region transit ASes present in the Internet Routing Table: 807 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: 418 Number of APNIC addresses announced to Internet: 717823104 Equivalent to 42 /8s, 201 /16s and 28 /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: 155383 Total ARIN prefixes after maximum aggregation: 78669 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 155986 Unique aggregates announced from the ARIN address blocks: 70782 ARIN Region origin ASes present in the Internet Routing Table: 15445 ARIN Prefixes per ASN: 10.10 ARIN Region origin ASes announcing only one prefix: 5839 ARIN Region transit ASes present in the Internet Routing Table: 1592 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: 17 Number of ARIN addresses announced to Internet: 1075851136 Equivalent to 64 /8s, 32 /16s and 47 /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: 113324 Total RIPE prefixes after maximum aggregation: 58515 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 116432 Unique aggregates announced from the RIPE address blocks: 74751 RIPE Region origin ASes present in the Internet Routing Table: 17049 RIPE Prefixes per ASN: 6.83 RIPE Region origin ASes announcing only one prefix: 8156 RIPE Region transit ASes present in the Internet Routing Table: 2777 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 44 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2160 Number of RIPE addresses announced to Internet: 653059940 Equivalent to 38 /8s, 236 /16s and 231 /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: 46480 Total LACNIC prefixes after maximum aggregation: 9100 LACNIC Deaggregation factor: 5.11 Prefixes being announced from the LACNIC address blocks: 50224 Unique aggregates announced from the LACNIC address blocks: 23555 LACNIC Region origin ASes present in the Internet Routing Table: 1794 LACNIC Prefixes per ASN: 28.00 LACNIC Region origin ASes announcing only one prefix: 512 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: 736 Number of LACNIC addresses announced to Internet: 123135528 Equivalent to 7 /8s, 86 /16s and 230 /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: 10337 Total AfriNIC prefixes after maximum aggregation: 2397 AfriNIC Deaggregation factor: 4.31 Prefixes being announced from the AfriNIC address blocks: 10939 Unique aggregates announced from the AfriNIC address blocks: 3709 AfriNIC Region origin ASes present in the Internet Routing Table: 590 AfriNIC Prefixes per ASN: 18.54 AfriNIC Region origin ASes announcing only one prefix: 178 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: 44281856 Equivalent to 2 /8s, 163 /16s and 176 /24s Percentage of available AfriNIC address space announced: 44.0 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 2932 11557 922 Korea Telecom (KIX) 17974 2475 829 53 PT TELEKOMUNIKASI INDONESIA 7545 1824 301 87 TPG Internet Pty Ltd 4755 1681 382 188 TATA Communications formerly 9829 1425 1150 45 BSNL National Internet Backbo 9583 1207 90 502 Sify Limited 7552 1164 1070 12 Vietel Corporation 4808 1101 2040 315 CNCGROUP IP network: China169 9498 1054 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 3093 3699 115 bellsouth.net, inc. 7029 2288 1265 211 Windstream Communications Inc 18566 2081 382 183 Covad Communications 22773 1965 2931 128 Cox Communications, Inc. 1785 1949 678 123 PaeTec Communications, Inc. 20115 1688 1608 625 Charter Communications 4323 1598 1155 394 Time Warner Telecom 30036 1345 287 698 Mediacom Communications Corp 7018 1298 10550 859 AT&T WorldNet Services 7011 1200 315 682 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 1848 544 16 Corbina telecom 2118 1114 97 13 EUnet/RELCOM Autonomous Syste 34984 974 231 205 BILISIM TELEKOM 13188 842 99 22 Educational Network 12479 836 778 65 Uni2 Autonomous System 31148 755 39 18 FreeNet ISP 20940 742 252 589 Akamai Technologies European 8551 714 367 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 10620 2308 395 224 TVCABLE BOGOTA 28573 2215 1315 81 NET Servicos de Comunicao S.A 7303 1679 1147 206 Telecom Argentina Stet-France 8151 1539 2892 379 UniNet S.A. de C.V. 6503 1473 435 67 AVANTEL, S.A. 14754 909 114 72 Telgua S. A. 27947 774 85 95 Telconet S.A 18881 756 716 18 Global Village Telecom 3816 676 306 85 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 896 275 36 LINKdotNET AS number 8452 529 958 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 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 3093 3699 115 bellsouth.net, inc. 4766 2932 11557 922 Korea Telecom (KIX) 17974 2475 829 53 PT TELEKOMUNIKASI INDONESIA 10620 2308 395 224 TVCABLE BOGOTA 7029 2288 1265 211 Windstream Communications Inc 28573 2215 1315 81 NET Servicos de Comunicao S.A 18566 2081 382 183 Covad Communications 22773 1965 2931 128 Cox Communications, Inc. 1785 1949 678 123 PaeTec Communications, Inc. 8402 1848 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 2475 2422 PT TELEKOMUNIKASI INDONESIA 28573 2215 2134 NET Servicos de Comunicao S.A 10620 2308 2084 TVCABLE BOGOTA 7029 2288 2077 Windstream Communications Inc 4766 2932 2010 Korea Telecom (KIX) 18566 2081 1898 Covad Communications 22773 1965 1837 Cox Communications, Inc. 8402 1848 1832 Corbina telecom 1785 1949 1826 PaeTec Communications, Inc. 7545 1824 1737 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 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 /8:17 /9:13 /10:29 /11:88 /12:246 /13:481 /14:865 /15:1548 /16:12551 /17:6601 /18:10967 /19:21729 /20:31101 /21:33241 /22:45078 /23:40752 /24:231230 /25:1364 /26:1742 /27:858 /28:183 /29:73 /30:17 /31:0 /32:20 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2031 2081 Covad Communications 6389 1769 3093 bellsouth.net, inc. 7029 1643 2288 Windstream Communications Inc 8402 1577 1848 Corbina telecom 22773 1292 1965 Cox Communications, Inc. 36998 1280 1286 MOBITEL 30036 1238 1345 Mediacom Communications Corp 11492 1158 1195 Cable One 1785 1031 1949 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) ---------------------------------------------- 1:684 2:749 3:3 4:13 5:737 6:3 8:490 12:1927 13:3 14:719 15:11 16:3 17:8 20:25 23:237 24:1799 27:1471 31:1127 32:54 33:2 34:5 36:10 37:1230 38:845 39:2 40:139 41:2649 42:180 44:4 46:1725 47:1 49:547 50:643 52:12 54:28 55:7 57:28 58:1078 59:556 60:251 61:1320 62:999 63:2027 64:4338 65:2158 66:4265 67:2018 68:1119 69:3228 70:858 71:535 72:1879 74:2544 75:421 76:291 77:1061 78:1034 79:552 80:1209 81:981 82:639 83:534 84:578 85:1147 86:477 87:969 88:370 89:1740 90:285 91:5389 92:616 93:1708 94:2013 95:1614 96:489 97:333 98:1052 99:52 100:30 101:305 103:2059 105:519 106:131 107:208 108:508 109:1751 110:848 111:1005 112:482 113:740 114:683 115:932 116:877 117:788 118:978 119:1263 120:343 121:702 122:1731 123:1178 124:1320 125:1306 128:545 129:200 130:312 131:645 132:327 133:143 134:254 135:62 136:213 137:237 138:340 139:155 140:216 141:314 142:509 143:365 144:474 145:90 146:527 147:332 148:730 149:341 150:159 151:328 152:399 153:190 154:25 155:367 156:241 157:395 158:258 159:708 160:334 161:415 162:370 163:202 164:581 165:462 166:465 167:571 168:1007 169:131 170:1012 171:164 172:4 173:1543 174:616 175:422 176:1002 177:1624 178:1703 180:1375 181:222 182:1157 183:323 184:642 185:197 186:2262 187:1464 188:1935 189:1547 190:6557 192:6221 193:5671 194:4648 195:3657 196:1283 197:808 198:4108 199:5194 200:6005 201:2177 202:8803 203:8732 204:4463 205:2545 206:2798 207:2789 208:4076 209:3528 210:2912 211:1563 212:1982 213:1886 214:906 215:93 216:5073 217:1581 218:591 219:326 220:1267 221:548 222:337 223:415 End of report
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