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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 8 19:32:48 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 09 Mar, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 444886 Prefixes after maximum aggregation: 183186 Deaggregation factor: 2.43 Unique aggregates announced to Internet: 218707 Total ASes present in the Internet Routing Table: 43533 Prefixes per ASN: 10.22 Origin-only ASes present in the Internet Routing Table: 34285 Origin ASes announcing only one prefix: 15995 Transit ASes present in the Internet Routing Table: 5792 Transit-only ASes present in the Internet Routing Table: 133 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: 367 Unregistered ASNs in the Routing Table: 135 Number of 32-bit ASNs allocated by the RIRs: 4593 Number of 32-bit ASNs visible in the Routing Table: 3456 Prefixes from 32-bit ASNs in the Routing Table: 9661 Special use prefixes present in the Routing Table: 17 Prefixes being announced from unallocated address space: 200 Number of addresses announced to Internet: 2621887244 Equivalent to 156 /8s, 70 /16s and 211 /24s Percentage of available address space announced: 70.8 Percentage of allocated address space announced: 70.8 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: 156958 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 107004 Total APNIC prefixes after maximum aggregation: 33192 APNIC Deaggregation factor: 3.22 Prefixes being announced from the APNIC address blocks: 108127 Unique aggregates announced from the APNIC address blocks: 44072 APNIC Region origin ASes present in the Internet Routing Table: 4815 APNIC Prefixes per ASN: 22.46 APNIC Region origin ASes announcing only one prefix: 1236 APNIC Region transit ASes present in the Internet Routing Table: 815 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 453 Number of APNIC addresses announced to Internet: 719197984 Equivalent to 42 /8s, 222 /16s and 23 /24s Percentage of available APNIC address space announced: 84.1 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: 156392 Total ARIN prefixes after maximum aggregation: 79156 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 157099 Unique aggregates announced from the ARIN address blocks: 71389 ARIN Region origin ASes present in the Internet Routing Table: 15535 ARIN Prefixes per ASN: 10.11 ARIN Region origin ASes announcing only one prefix: 5885 ARIN Region transit ASes present in the Internet Routing Table: 1615 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: 1078025856 Equivalent to 64 /8s, 65 /16s and 94 /24s Percentage of available ARIN address space announced: 57.0 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: 114048 Total RIPE prefixes after maximum aggregation: 59078 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 117366 Unique aggregates announced from the RIPE address blocks: 75376 RIPE Region origin ASes present in the Internet Routing Table: 17103 RIPE Prefixes per ASN: 6.86 RIPE Region origin ASes announcing only one prefix: 8155 RIPE Region transit ASes present in the Internet Routing Table: 2802 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: 2231 Number of RIPE addresses announced to Internet: 654268260 Equivalent to 38 /8s, 255 /16s and 87 /24s Percentage of available RIPE address space announced: 95.1 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: 47079 Total LACNIC prefixes after maximum aggregation: 9296 LACNIC Deaggregation factor: 5.06 Prefixes being announced from the LACNIC address blocks: 50942 Unique aggregates announced from the LACNIC address blocks: 23953 LACNIC Region origin ASes present in the Internet Routing Table: 1855 LACNIC Prefixes per ASN: 27.46 LACNIC Region origin ASes announcing only one prefix: 542 LACNIC Region transit ASes present in the Internet Routing Table: 342 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 747 Number of LACNIC addresses announced to Internet: 124659464 Equivalent to 7 /8s, 110 /16s and 39 /24s Percentage of available LACNIC address space announced: 74.3 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: 10573 Total AfriNIC prefixes after maximum aggregation: 2413 AfriNIC Deaggregation factor: 4.38 Prefixes being announced from the AfriNIC address blocks: 11152 Unique aggregates announced from the AfriNIC address blocks: 3742 AfriNIC Region origin ASes present in the Internet Routing Table: 606 AfriNIC Prefixes per ASN: 18.40 AfriNIC Region origin ASes announcing only one prefix: 177 AfriNIC Region transit ASes present in the Internet Routing Table: 129 Average AfriNIC Region AS path length visible: 4.8 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: 45354752 Equivalent to 2 /8s, 180 /16s and 15 /24s Percentage of available AfriNIC address space announced: 45.1 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 2929 11558 922 Korea Telecom (KIX) 17974 2503 840 86 PT TELEKOMUNIKASI INDONESIA 7545 1829 301 89 TPG Internet Pty Ltd 4755 1698 390 189 TATA Communications formerly 9829 1453 1158 43 BSNL National Internet Backbo 9583 1284 98 535 Sify Limited 7552 1161 1070 12 Vietel Corporation 4808 1117 2058 322 CNCGROUP IP network: China169 9498 1067 310 75 BHARTI Airtel Ltd. 24560 1058 385 161 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 3049 3695 95 bellsouth.net, inc. 7029 2134 1266 215 Windstream Communications Inc 18566 2080 382 185 Covad Communications 22773 1987 2929 124 Cox Communications, Inc. 1785 1958 677 123 PaeTec Communications, Inc. 20115 1682 1612 621 Charter Communications 4323 1614 1140 402 Time Warner Telecom 30036 1345 292 686 Mediacom Communications Corp 7018 1307 10810 855 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 1789 544 16 Corbina telecom 2118 1116 97 13 EUnet/RELCOM Autonomous Syste 34984 1082 232 205 BILISIM TELEKOM 13188 839 99 30 Educational Network 12479 836 784 69 Uni2 Autonomous System 20940 768 262 610 Akamai Technologies European 31148 767 40 18 FreeNet ISP 6830 714 2313 435 UPC Distribution Services 8551 708 370 43 Bezeq International 58113 632 70 377 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 2345 403 227 TVCABLE BOGOTA 28573 2331 1332 85 NET Servicos de Comunicao S.A 7303 1681 1147 207 Telecom Argentina Stet-France 8151 1352 2727 399 UniNet S.A. de C.V. 6503 1261 435 68 AVANTEL, S.A. 14754 944 128 77 Telgua S. A. 18881 810 716 18 Global Village Telecom 27947 785 86 101 Telconet S.A 3816 688 306 85 Empresa Nacional de Telecomun 7738 650 1306 35 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 1286 80 4 MOBITEL 24863 894 274 34 LINKdotNET AS number 6713 535 615 23 Itissalat Al-MAGHRIB 8452 516 958 13 TEDATA 24835 342 80 8 RAYA Telecom - Egypt 3741 262 906 220 The Internet Solution 12258 193 28 67 Vodacom Internet Company 15706 191 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 16637 187 696 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 3049 3695 95 bellsouth.net, inc. 4766 2929 11558 922 Korea Telecom (KIX) 17974 2503 840 86 PT TELEKOMUNIKASI INDONESIA 10620 2345 403 227 TVCABLE BOGOTA 28573 2331 1332 85 NET Servicos de Comunicao S.A 7029 2134 1266 215 Windstream Communications Inc 18566 2080 382 185 Covad Communications 22773 1987 2929 124 Cox Communications, Inc. 1785 1958 677 123 PaeTec Communications, Inc. 7545 1829 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 2503 2417 PT TELEKOMUNIKASI INDONESIA 28573 2331 2246 NET Servicos de Comunicao S.A 10620 2345 2118 TVCABLE BOGOTA 4766 2929 2007 Korea Telecom (KIX) 7029 2134 1919 Windstream Communications Inc 18566 2080 1895 Covad Communications 22773 1987 1863 Cox Communications, Inc. 1785 1958 1835 PaeTec Communications, Inc. 8402 1789 1773 Corbina telecom 7545 1829 1740 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 65119 PRIVATE 8.36.67.0/24 6352 E*Trade Group 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 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 /12:248 /13:483 /14:867 /15:1563 /16:12653 /17:6626 /18:10922 /19:21724 /20:31433 /21:33532 /22:45943 /23:41406 /24:233050 /25:1367 /26:1770 /27:860 /28:180 /29:75 /30:17 /31:0 /32:20 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2030 2080 Covad Communications 6389 1751 3049 bellsouth.net, inc. 7029 1558 2134 Windstream Communications Inc 8402 1515 1789 Corbina telecom 22773 1302 1987 Cox Communications, Inc. 36998 1280 1286 MOBITEL 30036 1229 1345 Mediacom Communications Corp 11492 1169 1207 Cable One 1785 1038 1958 PaeTec Communications, Inc. 7011 952 1200 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:717 2:723 3:3 4:13 5:690 6:3 8:502 12:1927 13:3 14:750 15:11 16:3 17:8 20:24 23:245 24:1799 27:1464 31:1149 32:54 33:2 34:5 36:27 37:1332 38:859 39:2 40:159 41:2660 42:177 44:4 46:1763 47:1 49:609 50:664 52:12 54:28 55:11 57:28 58:1088 59:571 60:295 61:1353 62:1033 63:2042 64:4286 65:2178 66:4234 67:2055 68:1104 69:3262 70:862 71:523 72:1899 74:2551 75:407 76:287 77:1083 78:1030 79:567 80:1235 81:972 82:621 83:556 84:558 85:1162 86:474 87:946 88:375 89:1755 90:262 91:5431 92:604 93:1740 94:1871 95:1571 96:497 97:335 98:1037 99:40 100:29 101:300 103:2261 105:517 106:131 107:207 108:512 109:1802 110:854 111:1011 112:494 113:761 114:681 115:925 116:868 117:800 118:1003 119:1268 120:376 121:707 122:1735 123:1194 124:1319 125:1309 128:539 129:207 130:323 131:643 132:325 133:143 134:253 135:62 136:222 137:237 138:342 139:169 140:197 141:313 142:528 143:385 144:491 145:88 146:517 147:354 148:701 149:357 150:156 151:433 152:404 153:196 154:31 155:377 156:249 157:393 158:266 159:713 160:336 161:426 162:375 163:204 164:579 165:453 166:396 167:573 168:1007 169:131 170:1023 171:168 172:4 173:1588 174:582 175:424 176:1176 177:1739 178:1761 179:1 180:1377 181:267 182:1199 183:336 184:659 185:277 186:2330 187:1304 188:1933 189:1448 190:6610 192:6392 193:5666 194:4513 195:3485 196:1300 197:897 198:4199 199:5251 200:6037 201:2205 202:8904 203:8742 204:4488 205:2548 206:2777 207:2775 208:4066 209:3522 210:2903 211:1559 212:1999 213:1965 214:911 215:97 216:5192 217:1577 218:603 219:329 220:1263 221:546 222:316 223:476 End of report
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