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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Apr 19 20:33:20 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 20 Apr, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 450189 Prefixes after maximum aggregation: 184599 Deaggregation factor: 2.44 Unique aggregates announced to Internet: 222556 Total ASes present in the Internet Routing Table: 43876 Prefixes per ASN: 10.26 Origin-only ASes present in the Internet Routing Table: 34506 Origin ASes announcing only one prefix: 16073 Transit ASes present in the Internet Routing Table: 5787 Transit-only ASes present in the Internet Routing Table: 142 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 29 Max AS path prepend of ASN ( 19037) 22 Prefixes from unregistered ASNs in the Routing Table: 358 Unregistered ASNs in the Routing Table: 132 Number of 32-bit ASNs allocated by the RIRs: 4729 Number of 32-bit ASNs visible in the Routing Table: 3583 Prefixes from 32-bit ASNs in the Routing Table: 10155 Special use prefixes present in the Routing Table: 22 Prefixes being announced from unallocated address space: 220 Number of addresses announced to Internet: 2613629004 Equivalent to 155 /8s, 200 /16s and 208 /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: 94.4 Total number of prefixes smaller than registry allocations: 158679 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 108086 Total APNIC prefixes after maximum aggregation: 33445 APNIC Deaggregation factor: 3.23 Prefixes being announced from the APNIC address blocks: 109312 Unique aggregates announced from the APNIC address blocks: 44563 APNIC Region origin ASes present in the Internet Routing Table: 4821 APNIC Prefixes per ASN: 22.67 APNIC Region origin ASes announcing only one prefix: 1215 APNIC Region transit ASes present in the Internet Routing Table: 818 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 22 Number of APNIC region 32-bit ASNs visible in the Routing Table: 500 Number of APNIC addresses announced to Internet: 720782272 Equivalent to 42 /8s, 246 /16s and 67 /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: 158276 Total ARIN prefixes after maximum aggregation: 79767 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 158919 Unique aggregates announced from the ARIN address blocks: 72644 ARIN Region origin ASes present in the Internet Routing Table: 15649 ARIN Prefixes per ASN: 10.16 ARIN Region origin ASes announcing only one prefix: 5959 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: 1062822272 Equivalent to 63 /8s, 89 /16s and 97 /24s Percentage of available ARIN address space announced: 56.2 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: 116470 Total RIPE prefixes after maximum aggregation: 59453 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 120053 Unique aggregates announced from the RIPE address blocks: 77159 RIPE Region origin ASes present in the Internet Routing Table: 17133 RIPE Prefixes per ASN: 7.01 RIPE Region origin ASes announcing only one prefix: 8152 RIPE Region transit ASes present in the Internet Routing Table: 2788 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2302 Number of RIPE addresses announced to Internet: 656501988 Equivalent to 39 /8s, 33 /16s and 108 /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: 46912 Total LACNIC prefixes after maximum aggregation: 9395 LACNIC Deaggregation factor: 4.99 Prefixes being announced from the LACNIC address blocks: 50936 Unique aggregates announced from the LACNIC address blocks: 24154 LACNIC Region origin ASes present in the Internet Routing Table: 1903 LACNIC Prefixes per ASN: 26.77 LACNIC Region origin ASes announcing only one prefix: 561 LACNIC Region transit ASes present in the Internet Routing Table: 355 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 756 Number of LACNIC addresses announced to Internet: 126871336 Equivalent to 7 /8s, 143 /16s and 231 /24s Percentage of available LACNIC address space announced: 75.6 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-62463, 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: 10162 Total AfriNIC prefixes after maximum aggregation: 2491 AfriNIC Deaggregation factor: 4.08 Prefixes being announced from the AfriNIC address blocks: 10749 Unique aggregates announced from the AfriNIC address blocks: 3831 AfriNIC Region origin ASes present in the Internet Routing Table: 617 AfriNIC Prefixes per ASN: 17.42 AfriNIC Region origin ASes announcing only one prefix: 186 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: 46191872 Equivalent to 2 /8s, 192 /16s and 213 /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 2952 11557 922 Korea Telecom (KIX) 17974 2514 839 90 PT TELEKOMUNIKASI INDONESIA 7545 1887 320 109 TPG Internet Pty Ltd 4755 1738 392 198 TATA Communications formerly 9829 1509 1205 40 BSNL National Internet Backbo 9583 1285 98 538 Sify Limited 7552 1170 1064 12 Vietel Corporation 4808 1107 2109 325 CNCGROUP IP network: China169 9498 1078 310 73 BHARTI Airtel Ltd. 24560 1067 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 3037 3694 87 bellsouth.net, inc. 7029 2173 1265 212 Windstream Communications Inc 18566 2067 382 184 Covad Communications 22773 1983 2929 125 Cox Communications, Inc. 1785 1974 677 122 PaeTec Communications, Inc. 20115 1669 1612 612 Charter Communications 4323 1609 1139 398 Time Warner Telecom 30036 1344 297 657 Mediacom Communications Corp 7018 1315 10807 854 AT&T WorldNet Services 11492 1239 228 330 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 1793 544 16 Corbina telecom 2118 1430 97 13 EUnet/RELCOM Autonomous Syste 34984 1152 235 206 BILISIM TELEKOM 13188 875 99 39 Educational Network 12479 844 786 66 Uni2 Autonomous System 20940 819 286 652 Akamai Technologies European 31148 794 41 22 FreeNet ISP 6830 753 2318 440 UPC Distribution Services 8551 676 370 43 Bezeq International 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 2620 1451 99 NET Servicos de Comunicao S.A 10620 2374 411 217 TVCABLE BOGOTA 7303 1676 1153 211 Telecom Argentina Stet-France 8151 1234 2690 394 UniNet S.A. de C.V. 6503 1067 435 68 AVANTEL, S.A. 18881 859 717 19 Global Village Telecom 27947 808 88 96 Telconet S.A 11830 725 364 14 Instituto Costarricense de El 3816 696 306 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 1137 80 4 MOBITEL 24863 695 274 33 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 361 956 9 TEDATA 24835 275 80 8 RAYA Telecom - Egypt 3741 261 906 220 The Internet Solution 12258 193 28 67 Vodacom Internet Company 29975 191 667 21 Vodacom 16637 187 697 91 MTN Network Solutions 33776 182 12 19 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 3037 3694 87 bellsouth.net, inc. 4766 2952 11557 922 Korea Telecom (KIX) 28573 2620 1451 99 NET Servicos de Comunicao S.A 17974 2514 839 90 PT TELEKOMUNIKASI INDONESIA 10620 2374 411 217 TVCABLE BOGOTA 7029 2173 1265 212 Windstream Communications Inc 18566 2067 382 184 Covad Communications 22773 1983 2929 125 Cox Communications, Inc. 1785 1974 677 122 PaeTec Communications, Inc. 7545 1887 320 109 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 2620 2521 NET Servicos de Comunicao S.A 17974 2514 2424 PT TELEKOMUNIKASI INDONESIA 10620 2374 2157 TVCABLE BOGOTA 4766 2952 2030 Korea Telecom (KIX) 7029 2173 1961 Windstream Communications Inc 18566 2067 1883 Covad Communications 22773 1983 1858 Cox Communications, Inc. 1785 1974 1852 PaeTec Communications, Inc. 7545 1887 1778 TPG Internet Pty Ltd 8402 1793 1777 Corbina telecom 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 128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys 128.0.72.0/21 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 /8:16 /9:13 /10:29 /11:88 /12:249 /13:485 /14:884 /15:1562 /16:12691 /17:6597 /18:10920 /19:21837 /20:31936 /21:33796 /22:46730 /23:41690 /24:236619 /25:1366 /26:1666 /27:861 /28:44 /29:69 /30:22 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2018 2067 Covad Communications 6389 1741 3037 bellsouth.net, inc. 7029 1611 2173 Windstream Communications Inc 8402 1497 1793 Corbina telecom 22773 1291 1983 Cox Communications, Inc. 30036 1219 1344 Mediacom Communications Corp 11492 1198 1239 Cable One 36998 1131 1137 MOBITEL 1785 1047 1974 PaeTec Communications, Inc. 6983 1006 1134 ITC^Deltacom Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:774 2:750 3:3 4:15 5:863 6:5 8:542 12:1916 13:3 14:772 15:11 16:3 17:9 20:18 23:271 24:1769 27:1468 31:1214 32:43 33:2 34:5 36:44 37:1816 38:862 39:2 40:169 41:2683 42:178 44:6 46:1797 47:2 49:625 50:676 52:12 54:30 55:6 57:27 58:1140 59:589 60:306 61:1458 62:1037 63:2054 64:4309 65:2182 66:4327 67:2076 68:1127 69:3243 70:872 71:532 72:1956 74:2575 75:414 76:295 77:1103 78:1057 79:571 80:1233 81:983 82:606 83:569 84:515 85:1162 86:464 87:972 88:527 89:1798 90:281 91:5481 92:622 93:1712 94:1846 95:1726 96:517 97:342 98:1053 99:41 100:29 101:315 103:2476 105:488 106:143 107:206 108:515 109:1832 110:861 111:1053 112:505 113:785 114:694 115:1014 116:877 117:799 118:1026 119:1273 120:397 121:824 122:1741 123:1195 124:1333 125:1269 128:632 129:223 130:323 131:653 132:340 133:149 134:260 135:64 136:223 137:247 138:343 139:186 140:199 141:317 142:542 143:374 144:486 145:91 146:503 147:384 148:695 149:369 150:163 151:527 152:419 153:194 154:44 155:391 156:262 157:394 158:269 159:722 160:338 161:425 162:385 163:202 164:584 165:448 166:335 167:577 168:1030 169:133 170:1024 171:174 172:5 173:1608 174:589 175:455 176:1248 177:1858 178:1824 179:3 180:1402 181:386 182:1138 183:372 184:665 185:378 186:2310 187:1270 188:2019 189:1310 190:6098 192:6520 193:5830 194:4655 195:3484 196:1327 197:831 198:4333 199:5292 200:5919 201:2370 202:8870 203:8758 204:4523 205:2554 206:2822 207:2834 208:4073 209:3580 210:2943 211:1566 212:2027 213:1899 214:919 215:98 216:5192 217:1558 218:619 219:346 220:1273 221:548 222:313 223:448 End of report
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