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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Apr 5 20:33:12 CEST 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 06 Apr, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 449057 Prefixes after maximum aggregation: 184025 Deaggregation factor: 2.44 Unique aggregates announced to Internet: 221630 Total ASes present in the Internet Routing Table: 43748 Prefixes per ASN: 10.26 Origin-only ASes present in the Internet Routing Table: 34414 Origin ASes announcing only one prefix: 16061 Transit ASes present in the Internet Routing Table: 5792 Transit-only ASes present in the Internet Routing Table: 139 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 29 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 368 Unregistered ASNs in the Routing Table: 137 Number of 32-bit ASNs allocated by the RIRs: 4688 Number of 32-bit ASNs visible in the Routing Table: 3542 Prefixes from 32-bit ASNs in the Routing Table: 10367 Special use prefixes present in the Routing Table: 18 Prefixes being announced from unallocated address space: 217 Number of addresses announced to Internet: 2628059756 Equivalent to 156 /8s, 165 /16s and 2 /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: 94.4 Total number of prefixes smaller than registry allocations: 158789 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 107913 Total APNIC prefixes after maximum aggregation: 33314 APNIC Deaggregation factor: 3.24 Prefixes being announced from the APNIC address blocks: 109122 Unique aggregates announced from the APNIC address blocks: 44393 APNIC Region origin ASes present in the Internet Routing Table: 4823 APNIC Prefixes per ASN: 22.63 APNIC Region origin ASes announcing only one prefix: 1227 APNIC Region transit ASes present in the Internet Routing Table: 819 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 486 Number of APNIC addresses announced to Internet: 720399840 Equivalent to 42 /8s, 240 /16s and 109 /24s Percentage of available APNIC address space announced: 84.2 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: 157436 Total ARIN prefixes after maximum aggregation: 79453 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 158125 Unique aggregates announced from the ARIN address blocks: 72365 ARIN Region origin ASes present in the Internet Routing Table: 15598 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5935 ARIN Region transit ASes present in the Internet Routing Table: 1611 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: 1078792832 Equivalent to 64 /8s, 77 /16s and 18 /24s Percentage of available ARIN address space announced: 57.1 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: 115684 Total RIPE prefixes after maximum aggregation: 59313 RIPE Deaggregation factor: 1.95 Prefixes being announced from the RIPE address blocks: 119410 Unique aggregates announced from the RIPE address blocks: 76882 RIPE Region origin ASes present in the Internet Routing Table: 17117 RIPE Prefixes per ASN: 6.98 RIPE Region origin ASes announcing only one prefix: 8148 RIPE Region transit ASes present in the Internet Routing Table: 2801 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2276 Number of RIPE addresses announced to Internet: 656040676 Equivalent to 39 /8s, 26 /16s and 98 /24s Percentage of available RIPE address space announced: 95.4 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: 47491 Total LACNIC prefixes after maximum aggregation: 9422 LACNIC Deaggregation factor: 5.04 Prefixes being announced from the LACNIC address blocks: 51537 Unique aggregates announced from the LACNIC address blocks: 23997 LACNIC Region origin ASes present in the Internet Routing Table: 1889 LACNIC Prefixes per ASN: 27.28 LACNIC Region origin ASes announcing only one prefix: 564 LACNIC Region transit ASes present in the Internet Routing Table: 349 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 755 Number of LACNIC addresses announced to Internet: 126168872 Equivalent to 7 /8s, 133 /16s and 47 /24s Percentage of available LACNIC address space announced: 75.2 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: 10033 Total AfriNIC prefixes after maximum aggregation: 2474 AfriNIC Deaggregation factor: 4.06 Prefixes being announced from the AfriNIC address blocks: 10646 Unique aggregates announced from the AfriNIC address blocks: 3791 AfriNIC Region origin ASes present in the Internet Routing Table: 611 AfriNIC Prefixes per ASN: 17.42 AfriNIC Region origin ASes announcing only one prefix: 187 AfriNIC Region transit ASes present in the Internet Routing Table: 127 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: 46211584 Equivalent to 2 /8s, 193 /16s and 34 /24s Percentage of available AfriNIC address space announced: 45.9 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 2955 11558 923 Korea Telecom (KIX) 17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA 7545 1862 302 94 TPG Internet Pty Ltd 4755 1732 392 198 TATA Communications formerly 9829 1500 1205 40 BSNL National Internet Backbo 9583 1278 97 535 Sify Limited 4808 1122 2109 326 CNCGROUP IP network: China169 7552 1121 1063 21 Vietel Corporation 9498 1065 310 73 BHARTI Airtel Ltd. 24560 1060 385 164 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 3038 3694 88 bellsouth.net, inc. 7029 2151 1266 213 Windstream Communications Inc 18566 2068 382 184 Covad Communications 22773 2008 2929 125 Cox Communications, Inc. 1785 1973 677 123 PaeTec Communications, Inc. 20115 1668 1610 610 Charter Communications 4323 1607 1139 397 Time Warner Telecom 30036 1338 296 657 Mediacom Communications Corp 7018 1312 10805 853 AT&T WorldNet Services 11492 1216 223 331 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 1830 544 16 Corbina telecom 34984 1131 234 207 BILISIM TELEKOM 2118 1116 97 13 EUnet/RELCOM Autonomous Syste 12479 844 786 66 Uni2 Autonomous System 13188 837 99 33 Educational Network 20940 813 283 646 Akamai Technologies European 31148 790 41 20 FreeNet ISP 8551 745 370 43 Bezeq International 6830 734 2314 435 UPC Distribution Services 58113 666 74 386 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 28573 2561 1418 94 NET Servicos de Comunicao S.A 10620 2355 408 227 TVCABLE BOGOTA 7303 1673 1152 210 Telecom Argentina Stet-France 8151 1222 2666 400 UniNet S.A. de C.V. 6503 1184 435 68 AVANTEL, S.A. 14754 951 131 89 Telgua S. A. 18881 850 716 18 Global Village Telecom 27947 802 87 95 Telconet S.A 11830 725 364 14 Instituto Costarricense de El 3816 693 306 85 Empresa Nacional de Telecomun 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 1137 80 4 MOBITEL 24863 671 274 33 LINKdotNET AS number 6713 541 617 25 Itissalat Al-MAGHRIB 8452 356 958 13 TEDATA 24835 275 80 8 RAYA Telecom - Egypt 3741 262 906 220 The Internet Solution 12258 193 28 67 Vodacom Internet Company 29975 191 667 21 Vodacom 16637 187 698 88 MTN Network Solutions 33776 178 12 18 Starcomms Nigeria Limited 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 3038 3694 88 bellsouth.net, inc. 4766 2955 11558 923 Korea Telecom (KIX) 28573 2561 1418 94 NET Servicos de Comunicao S.A 17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA 10620 2355 408 227 TVCABLE BOGOTA 7029 2151 1266 213 Windstream Communications Inc 18566 2068 382 184 Covad Communications 22773 2008 2929 125 Cox Communications, Inc. 1785 1973 677 123 PaeTec Communications, Inc. 7545 1862 302 94 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 28573 2561 2467 NET Servicos de Comunicao S.A 17974 2510 2424 PT TELEKOMUNIKASI INDONESIA 10620 2355 2128 TVCABLE BOGOTA 4766 2955 2032 Korea Telecom (KIX) 7029 2151 1938 Windstream Communications Inc 18566 2068 1884 Covad Communications 22773 2008 1883 Cox Communications, Inc. 1785 1973 1850 PaeTec Communications, Inc. 8402 1830 1814 Corbina telecom 7545 1862 1768 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 128.0.55.0/24 48571 SC efectRO SRL 128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys 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 62.61.220.0/24 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. 64.185.230.0/24 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 /13:485 /14:875 /15:1557 /16:12685 /17:6615 /18:10898 /19:21781 /20:31876 /21:33682 /22:46513 /23:41693 /24:235817 /25:1398 /26:1781 /27:862 /28:43 /29:64 /30:18 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2019 2068 Covad Communications 6389 1742 3038 bellsouth.net, inc. 7029 1597 2151 Windstream Communications Inc 8402 1527 1830 Corbina telecom 22773 1314 2008 Cox Communications, Inc. 30036 1215 1338 Mediacom Communications Corp 11492 1178 1216 Cable One 36998 1131 1137 MOBITEL 1785 1045 1973 PaeTec Communications, Inc. 6983 929 1043 ITC^Deltacom Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:752 2:786 3:3 4:13 5:841 6:4 8:519 12:1918 13:3 14:770 15:11 16:3 17:9 20:19 23:255 24:1773 27:1433 31:1192 32:42 33:2 34:5 36:43 37:1675 38:862 39:2 40:164 41:2701 42:185 44:6 46:1786 47:2 49:616 50:676 52:12 54:29 55:8 57:27 58:1106 59:586 60:304 61:1445 62:992 63:2036 64:4289 65:2181 66:4282 67:2060 68:1117 69:3254 70:873 71:526 72:1890 74:2551 75:407 76:287 77:1088 78:1033 79:583 80:1247 81:978 82:609 83:581 84:569 85:1159 86:466 87:962 88:526 89:1789 90:281 91:5458 92:618 93:1707 94:1873 95:1536 96:502 97:340 98:1048 99:41 100:29 101:309 103:2375 105:488 106:126 107:207 108:514 109:1812 110:877 111:1045 112:491 113:768 114:688 115:1019 116:875 117:795 118:1015 119:1268 120:382 121:815 122:1740 123:1187 124:1331 125:1314 128:634 129:224 130:331 131:655 132:339 133:148 134:258 135:62 136:221 137:246 138:343 139:184 140:200 141:314 142:544 143:365 144:481 145:93 146:509 147:380 148:697 149:365 150:162 151:554 152:415 153:194 154:43 155:382 156:260 157:392 158:270 159:713 160:334 161:424 162:373 163:202 164:574 165:452 166:331 167:578 168:1018 169:133 170:1021 171:174 172:4 173:1591 174:579 175:442 176:1140 177:1887 178:2027 179:2 180:1383 181:304 182:1123 183:379 184:661 185:335 186:2381 187:1258 188:1986 189:1394 190:6646 192:6476 193:5659 194:4518 195:3465 196:1311 197:777 198:4313 199:5269 200:6024 201:2367 202:8854 203:8790 204:4507 205:2549 206:2788 207:2825 208:4060 209:3547 210:2923 211:1566 212:2012 213:1942 214:925 215:94 216:5186 217:1571 218:607 219:348 220:1271 221:544 222:319 223:499 End of report
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