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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 29 19:33:27 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 30 Mar, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 447475 Prefixes after maximum aggregation: 183552 Deaggregation factor: 2.44 Unique aggregates announced to Internet: 220877 Total ASes present in the Internet Routing Table: 43648 Prefixes per ASN: 10.25 Origin-only ASes present in the Internet Routing Table: 34351 Origin ASes announcing only one prefix: 16022 Transit ASes present in the Internet Routing Table: 5791 Transit-only ASes present in the Internet Routing Table: 140 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 32 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 384 Unregistered ASNs in the Routing Table: 137 Number of 32-bit ASNs allocated by the RIRs: 4661 Number of 32-bit ASNs visible in the Routing Table: 3506 Prefixes from 32-bit ASNs in the Routing Table: 10199 Special use prefixes present in the Routing Table: 16 Prefixes being announced from unallocated address space: 208 Number of addresses announced to Internet: 2624177100 Equivalent to 156 /8s, 105 /16s and 195 /24s Percentage of available address space announced: 70.9 Percentage of allocated address space announced: 70.9 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: 158321 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 107311 Total APNIC prefixes after maximum aggregation: 33191 APNIC Deaggregation factor: 3.23 Prefixes being announced from the APNIC address blocks: 108485 Unique aggregates announced from the APNIC address blocks: 44275 APNIC Region origin ASes present in the Internet Routing Table: 4812 APNIC Prefixes per ASN: 22.54 APNIC Region origin ASes announcing only one prefix: 1227 APNIC Region transit ASes present in the Internet Routing Table: 817 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: 473 Number of APNIC addresses announced to Internet: 719971904 Equivalent to 42 /8s, 233 /16s and 230 /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: 157280 Total ARIN prefixes after maximum aggregation: 79283 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 157969 Unique aggregates announced from the ARIN address blocks: 72182 ARIN Region origin ASes present in the Internet Routing Table: 15575 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5914 ARIN Region transit ASes present in the Internet Routing Table: 1617 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: 1079709056 Equivalent to 64 /8s, 91 /16s and 13 /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: 115077 Total RIPE prefixes after maximum aggregation: 59200 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 118791 Unique aggregates announced from the RIPE address blocks: 76668 RIPE Region origin ASes present in the Internet Routing Table: 17110 RIPE Prefixes per ASN: 6.94 RIPE Region origin ASes announcing only one prefix: 8143 RIPE Region transit ASes present in the Internet Routing Table: 2794 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2256 Number of RIPE addresses announced to Internet: 654721764 Equivalent to 39 /8s, 6 /16s and 66 /24s Percentage of available RIPE address space announced: 95.2 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: 47583 Total LACNIC prefixes after maximum aggregation: 9393 LACNIC Deaggregation factor: 5.07 Prefixes being announced from the LACNIC address blocks: 51566 Unique aggregates announced from the LACNIC address blocks: 23883 LACNIC Region origin ASes present in the Internet Routing Table: 1875 LACNIC Prefixes per ASN: 27.50 LACNIC Region origin ASes announcing only one prefix: 555 LACNIC Region transit ASes present in the Internet Routing Table: 348 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: 753 Number of LACNIC addresses announced to Internet: 125351976 Equivalent to 7 /8s, 120 /16s and 184 /24s Percentage of available LACNIC address space announced: 74.7 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: 9887 Total AfriNIC prefixes after maximum aggregation: 2435 AfriNIC Deaggregation factor: 4.06 Prefixes being announced from the AfriNIC address blocks: 10456 Unique aggregates announced from the AfriNIC address blocks: 3677 AfriNIC Region origin ASes present in the Internet Routing Table: 601 AfriNIC Prefixes per ASN: 17.40 AfriNIC Region origin ASes announcing only one prefix: 183 AfriNIC Region transit ASes present in the Internet Routing Table: 131 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: 6 Number of AfriNIC addresses announced to Internet: 44065536 Equivalent to 2 /8s, 160 /16s and 99 /24s Percentage of available AfriNIC address space announced: 43.8 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 2950 11558 922 Korea Telecom (KIX) 17974 2507 840 86 PT TELEKOMUNIKASI INDONESIA 7545 1850 301 90 TPG Internet Pty Ltd 4755 1723 392 198 TATA Communications formerly 9829 1482 1189 43 BSNL National Internet Backbo 9583 1211 91 497 Sify Limited 7552 1171 1066 12 Vietel Corporation 4808 1122 2109 326 CNCGROUP IP network: China169 9498 1060 310 73 BHARTI Airtel Ltd. 24560 1056 385 169 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 3032 3694 87 bellsouth.net, inc. 7029 2194 1266 213 Windstream Communications Inc 18566 2070 382 185 Covad Communications 22773 2006 2929 125 Cox Communications, Inc. 1785 1973 677 125 PaeTec Communications, Inc. 20115 1669 1610 613 Charter Communications 4323 1605 1138 396 Time Warner Telecom 30036 1322 291 666 Mediacom Communications Corp 7018 1311 10805 851 AT&T WorldNet Services 11492 1215 223 328 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 1851 544 16 Corbina telecom 34984 1121 234 207 BILISIM TELEKOM 2118 1116 97 13 EUnet/RELCOM Autonomous Syste 12479 843 786 66 Uni2 Autonomous System 13188 837 99 33 Educational Network 20940 794 276 632 Akamai Technologies European 31148 786 41 19 FreeNet ISP 8551 717 370 43 Bezeq International 6830 715 2314 436 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 2489 1346 92 NET Servicos de Comunicao S.A 10620 2360 407 236 TVCABLE BOGOTA 7303 1673 1152 210 Telecom Argentina Stet-France 8151 1360 2674 402 UniNet S.A. de C.V. 6503 1186 435 68 AVANTEL, S.A. 14754 941 127 87 Telgua S. A. 18881 841 716 18 Global Village Telecom 27947 803 87 94 Telconet S.A 11830 725 364 14 Instituto Costarricense de El 3816 692 306 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 666 274 33 LINKdotNET AS number 6713 536 615 23 Itissalat Al-MAGHRIB 8452 346 446 12 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 189 698 88 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 3032 3694 87 bellsouth.net, inc. 4766 2950 11558 922 Korea Telecom (KIX) 17974 2507 840 86 PT TELEKOMUNIKASI INDONESIA 28573 2489 1346 92 NET Servicos de Comunicao S.A 10620 2360 407 236 TVCABLE BOGOTA 7029 2194 1266 213 Windstream Communications Inc 18566 2070 382 185 Covad Communications 22773 2006 2929 125 Cox Communications, Inc. 1785 1973 677 125 PaeTec Communications, Inc. 8402 1851 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 2507 2421 PT TELEKOMUNIKASI INDONESIA 28573 2489 2397 NET Servicos de Comunicao S.A 10620 2360 2124 TVCABLE BOGOTA 4766 2950 2028 Korea Telecom (KIX) 7029 2194 1981 Windstream Communications Inc 18566 2070 1885 Covad Communications 22773 2006 1881 Cox Communications, Inc. 1785 1973 1848 PaeTec Communications, Inc. 8402 1851 1835 Corbina telecom 7545 1850 1760 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 128.0.72.0/21 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 128.0.128.0/20 29285 AMT closed joint-stock compan 128.0.144.0/22 59675 mywire Datentechnik GmbH 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 /11:87 /12:248 /13:483 /14:876 /15:1560 /16:12662 /17:6610 /18:10882 /19:21746 /20:31815 /21:33548 /22:46213 /23:41548 /24:234827 /25:1390 /26:1780 /27:863 /28:178 /29:63 /30:18 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2020 2070 Covad Communications 6389 1742 3032 bellsouth.net, inc. 7029 1597 2194 Windstream Communications Inc 8402 1544 1851 Corbina telecom 22773 1315 2006 Cox Communications, Inc. 30036 1203 1322 Mediacom Communications Corp 11492 1177 1215 Cable One 36998 1131 1137 MOBITEL 1785 1044 1973 PaeTec Communications, Inc. 7011 931 1175 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:741 2:792 3:3 4:13 5:834 6:3 8:513 12:1920 13:3 14:764 15:11 16:3 17:8 20:19 23:245 24:1801 27:1445 31:1179 32:44 33:2 34:5 36:43 37:1696 38:861 39:2 40:160 41:2591 42:183 44:6 46:1763 47:2 49:613 50:671 52:12 54:28 55:11 57:27 58:1106 59:564 60:296 61:1381 62:983 63:2038 64:4292 65:2177 66:4285 67:2061 68:1115 69:3273 70:874 71:526 72:1899 74:2555 75:402 76:293 77:1089 78:1020 79:580 80:1251 81:974 82:610 83:579 84:555 85:1151 86:469 87:948 88:512 89:1786 90:262 91:5449 92:608 93:1690 94:1866 95:1524 96:499 97:340 98:1049 99:41 100:29 101:311 103:2325 105:488 106:135 107:207 108:514 109:1803 110:876 111:1043 112:499 113:767 114:684 115:960 116:869 117:798 118:1003 119:1265 120:382 121:716 122:1738 123:1194 124:1326 125:1315 128:640 129:222 130:331 131:655 132:332 133:145 134:258 135:62 136:220 137:244 138:343 139:181 140:197 141:313 142:542 143:366 144:483 145:90 146:524 147:363 148:698 149:356 150:162 151:532 152:415 153:194 154:34 155:384 156:251 157:391 158:271 159:711 160:334 161:424 162:375 163:202 164:572 165:451 166:371 167:575 168:1016 169:132 170:1021 171:172 172:4 173:1578 174:583 175:436 176:1135 177:1868 178:1971 179:1 180:1385 181:300 182:1037 183:355 184:662 185:324 186:2401 187:1245 188:1905 189:1403 190:6687 192:6457 193:5674 194:4521 195:3467 196:1300 197:765 198:4278 199:5281 200:5994 201:2362 202:8876 203:8751 204:4487 205:2547 206:2791 207:2831 208:4063 209:3540 210:2916 211:1566 212:1995 213:1931 214:928 215:94 216:5198 217:1579 218:605 219:330 220:1270 221:544 222:319 223:496 End of report
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