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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Apr 16 20:10:56 CEST 2010
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Routing Table Report 04:00 +10GMT Sat 17 Apr, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 318575 Prefixes after maximum aggregation: 147127 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 154828 Total ASes present in the Internet Routing Table: 33808 Prefixes per ASN: 9.42 Origin-only ASes present in the Internet Routing Table: 29345 Origin ASes announcing only one prefix: 14328 Transit ASes present in the Internet Routing Table: 4463 Transit-only ASes present in the Internet Routing Table: 103 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (32374) 19 Prefixes from unregistered ASNs in the Routing Table: 554 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 519 Prefixes from 32-bit ASNs in the Routing Table: 571 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 212 Number of addresses announced to Internet: 2229015040 Equivalent to 132 /8s, 220 /16s and 18 /24s Percentage of available address space announced: 60.1 Percentage of allocated address space announced: 66.1 Percentage of available address space allocated: 90.9 Percentage of address space in use by end-sites: 82.2 Total number of prefixes smaller than registry allocations: 152695 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76197 Total APNIC prefixes after maximum aggregation: 26400 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 73044 Unique aggregates announced from the APNIC address blocks: 32021 APNIC Region origin ASes present in the Internet Routing Table: 3996 APNIC Prefixes per ASN: 18.28 APNIC Region origin ASes announcing only one prefix: 1098 APNIC Region transit ASes present in the Internet Routing Table: 620 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 507789376 Equivalent to 30 /8s, 68 /16s and 64 /24s Percentage of available APNIC address space announced: 75.7 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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: 133500 Total ARIN prefixes after maximum aggregation: 68798 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 106421 Unique aggregates announced from the ARIN address blocks: 40586 ARIN Region origin ASes present in the Internet Routing Table: 13635 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5274 ARIN Region transit ASes present in the Internet Routing Table: 1356 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 725464096 Equivalent to 43 /8s, 61 /16s and 180 /24s Percentage of available ARIN address space announced: 61.8 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, 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, 54/8, 55/8, 56/8, 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, 107/8, 108/8, 173/8, 174/8, 184/8, 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: 73035 Total RIPE prefixes after maximum aggregation: 42605 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 65990 Unique aggregates announced from the RIPE address blocks: 43438 RIPE Region origin ASes present in the Internet Routing Table: 14368 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 7437 RIPE Region transit ASes present in the Internet Routing Table: 2143 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 421255840 Equivalent to 25 /8s, 27 /16s and 218 /24s Percentage of available RIPE address space announced: 78.5 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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 28349 Total LACNIC prefixes after maximum aggregation: 6735 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 26715 Unique aggregates announced from the LACNIC address blocks: 13783 LACNIC Region origin ASes present in the Internet Routing Table: 1274 LACNIC Prefixes per ASN: 20.97 LACNIC Region origin ASes announcing only one prefix: 415 LACNIC Region transit ASes present in the Internet Routing Table: 222 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 72463104 Equivalent to 4 /8s, 81 /16s and 179 /24s Percentage of available LACNIC address space announced: 72.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 6488 Total AfriNIC prefixes after maximum aggregation: 1782 AfriNIC Deaggregation factor: 3.64 Prefixes being announced from the AfriNIC address blocks: 4825 Unique aggregates announced from the AfriNIC address blocks: 1517 AfriNIC Region origin ASes present in the Internet Routing Table: 354 AfriNIC Prefixes per ASN: 13.63 AfriNIC Region origin ASes announcing only one prefix: 104 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 14019840 Equivalent to 0 /8s, 213 /16s and 237 /24s Percentage of available AfriNIC address space announced: 41.8 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1843 8406 479 Korea Telecom (KIX) 17488 1312 136 127 Hathway IP Over Cable Interne 4755 1300 290 147 TATA Communications formerly 7545 1111 202 106 TPG Internet Pty Ltd 4134 1030 20395 398 CHINANET-BACKBONE 17974 1007 281 18 PT TELEKOMUNIKASI INDONESIA 9583 985 72 485 Sify Limited 24560 879 303 168 Bharti Airtel Ltd., Telemedia 4808 844 1587 215 CNCGROUP IP network: China169 17908 844 193 55 Tata Communications Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4006 3838 296 bellsouth.net, inc. 4323 3825 1099 398 Time Warner Telecom 1785 1752 699 133 PaeTec Communications, Inc. 7018 1559 5740 990 AT&T WorldNet Services 20115 1523 1500 658 Charter Communications 2386 1331 619 934 AT&T Data Communications Serv 3356 1229 10960 430 Level 3 Communications, LLC 6478 1195 248 166 AT&T Worldnet Services 11492 1150 222 14 Cable One 22773 1141 2605 71 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 35805 614 56 6 United Telecom of Georgia 3292 447 1899 389 TDC Tele Danmark 30890 434 99 202 Evolva Telecom 702 421 1870 332 UUNET - Commercial IP service 8551 401 356 37 Bezeq International 8866 398 117 18 Bulgarian Telecommunication C 3301 364 1413 319 TeliaNet Sweden 3320 362 7072 315 Deutsche Telekom AG 3215 348 3238 104 France Telecom Transpac 12479 329 576 5 Uni2 Autonomous System Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1542 2964 241 UniNet S.A. de C.V. 10620 1035 239 157 TVCABLE BOGOTA 28573 917 735 89 NET Servicos de Comunicao S.A 7303 701 362 103 Telecom Argentina Stet-France 22047 545 310 15 VTR PUNTO NET S.A. 6503 540 171 211 AVANTEL, S.A. 18881 536 268 11 Global Village Telecom 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 458 195 70 Empresa Nacional de Telecomun 14117 453 30 13 Telefonica del Sur S.A. Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 750 189 9 TEDATA 24863 712 144 41 LINKdotNET AS number 36992 545 112 161 Etisalat MISR 3741 273 852 232 The Internet Solution 33776 262 14 11 Starcomms Nigeria Limited 2018 215 230 111 Tertiary Education Network 6713 176 167 12 Itissalat Al-MAGHRIB 29571 172 19 9 Ci Telecom Autonomous system 24835 147 78 10 RAYA Telecom - Egypt 29975 133 506 14 Vodacom Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4006 3838 296 bellsouth.net, inc. 4323 3825 1099 398 Time Warner Telecom 4766 1843 8406 479 Korea Telecom (KIX) 1785 1752 699 133 PaeTec Communications, Inc. 7018 1559 5740 990 AT&T WorldNet Services 8151 1542 2964 241 UniNet S.A. de C.V. 20115 1523 1500 658 Charter Communications 2386 1331 619 934 AT&T Data Communications Serv 17488 1312 136 127 Hathway IP Over Cable Interne 4755 1300 290 147 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3825 3427 Time Warner Telecom 1785 1752 1619 PaeTec Communications, Inc. 4766 1843 1364 Korea Telecom (KIX) 8151 1542 1301 UniNet S.A. de C.V. 17488 1312 1185 Hathway IP Over Cable Interne 4755 1300 1153 TATA Communications formerly 11492 1150 1136 Cable One 22773 1141 1070 Cox Communications, Inc. 18566 1059 1049 Covad Communications 6478 1195 1029 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.0.0.0/8 38639 NTT Communications Corporatio 41.190.64.0/22 28683 Office des Postes et telecomm 41.202.96.0/19 29571 Ci Telecom Autonomous system 41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT 41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 41.223.196.0/24 36990 Alkan Telecom Ltd Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:66 /12:191 /13:392 /14:680 /15:1246 /16:11038 /17:5219 /18:8886 /19:18277 /20:22438 /21:22449 /22:29284 /23:28907 /24:166443 /25:986 /26:1227 /27:626 /28:140 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2573 4006 bellsouth.net, inc. 4323 2340 3825 Time Warner Telecom 4766 1479 1843 Korea Telecom (KIX) 1785 1214 1752 PaeTec Communications, Inc. 17488 1063 1312 Hathway IP Over Cable Interne 11492 1061 1150 Cable One 18566 1040 1059 Covad Communications 10620 944 1035 TVCABLE BOGOTA 7018 936 1559 AT&T WorldNet Services 7011 838 1114 Citizens Utilities Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:257 12:1999 13:10 15:23 16:3 17:8 20:25 24:1415 27:28 32:48 33:12 38:656 40:99 41:1872 44:3 46:1 47:25 52:6 55:6 56:2 57:24 58:710 59:561 60:433 61:1126 62:1008 63:1973 64:3833 65:2361 66:4179 67:1792 68:1052 69:2819 70:709 71:238 72:1857 73:2 74:2251 75:246 76:308 77:841 78:606 79:392 80:983 81:779 82:456 83:452 84:690 85:1035 86:378 87:698 88:327 89:1555 90:85 91:2718 92:459 93:1103 94:1388 95:584 96:235 97:305 98:549 99:26 109:453 110:301 111:472 112:246 113:267 114:388 115:615 116:1025 117:627 118:406 119:923 120:148 121:847 122:1415 123:862 124:1105 125:1281 128:208 129:204 130:160 131:560 132:246 133:17 134:196 135:44 136:223 137:167 138:253 139:94 140:480 141:136 142:374 143:383 144:471 145:52 146:428 147:169 148:585 149:286 150:152 151:172 152:274 153:170 154:2 155:328 156:187 157:324 158:107 159:366 160:315 161:178 162:269 163:169 164:400 165:529 166:511 167:405 168:802 169:158 170:734 171:50 172:1 173:643 174:652 175:71 178:46 180:403 181:9 182:33 183:247 184:34 186:355 187:295 188:1229 189:720 190:3634 192:5735 193:4661 194:3362 195:2794 196:1167 198:3555 199:3421 200:5303 201:1519 202:7928 203:8314 204:4056 205:2334 206:2522 207:3040 208:3935 209:3470 210:2509 211:1220 212:1700 213:1680 214:596 215:67 216:4579 217:1534 218:494 219:418 220:1104 221:382 222:316 End of report
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