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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jan 29 19:45:25 CET 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 <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 30 Jan, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 310401 Prefixes after maximum aggregation: 143857 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 152150 Total ASes present in the Internet Routing Table: 33195 Prefixes per ASN: 9.35 Origin-only ASes present in the Internet Routing Table: 28813 Origin ASes announcing only one prefix: 14071 Transit ASes present in the Internet Routing Table: 4382 Transit-only ASes present in the Internet Routing Table: 110 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 23 Max AS path prepend of ASN ( 9503) 21 Prefixes from unregistered ASNs in the Routing Table: 803 Unregistered ASNs in the Routing Table: 130 Number of 32-bit ASNs allocated by the RIRs: 409 Prefixes from 32-bit ASNs in the Routing Table: 367 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 208 Number of addresses announced to Internet: 2182859712 Equivalent to 130 /8s, 27 /16s and 203 /24s Percentage of available address space announced: 58.9 Percentage of allocated address space announced: 66.1 Percentage of available address space allocated: 89.1 Percentage of address space in use by end-sites: 81.0 Total number of prefixes smaller than registry allocations: 149507 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 74994 Total APNIC prefixes after maximum aggregation: 25835 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 71687 Unique aggregates announced from the APNIC address blocks: 31510 APNIC Region origin ASes present in the Internet Routing Table: 3940 APNIC Prefixes per ASN: 18.19 APNIC Region origin ASes announcing only one prefix: 1084 APNIC Region transit ASes present in the Internet Routing Table: 623 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 490424864 Equivalent to 29 /8s, 59 /16s and 74 /24s Percentage of available APNIC address space announced: 76.9 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, 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, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 129648 Total ARIN prefixes after maximum aggregation: 67654 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 103715 Unique aggregates announced from the ARIN address blocks: 39327 ARIN Region origin ASes present in the Internet Routing Table: 13468 ARIN Prefixes per ASN: 7.70 ARIN Region origin ASes announcing only one prefix: 5204 ARIN Region transit ASes present in the Internet Routing Table: 1331 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 738182688 Equivalent to 43 /8s, 255 /16s and 198 /24s Percentage of available ARIN address space announced: 64.7 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, 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, 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: 71527 Total RIPE prefixes after maximum aggregation: 41622 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 64555 Unique aggregates announced from the RIPE address blocks: 42965 RIPE Region origin ASes present in the Internet Routing Table: 14024 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 7284 RIPE Region transit ASes present in the Internet Routing Table: 2103 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 415078528 Equivalent to 24 /8s, 189 /16s and 152 /24s Percentage of available RIPE address space announced: 77.3 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: 27325 Total LACNIC prefixes after maximum aggregation: 6555 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 25709 Unique aggregates announced from the LACNIC address blocks: 13809 LACNIC Region origin ASes present in the Internet Routing Table: 1235 LACNIC Prefixes per ASN: 20.82 LACNIC Region origin ASes announcing only one prefix: 404 LACNIC Region transit ASes present in the Internet Routing Table: 206 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 70292480 Equivalent to 4 /8s, 48 /16s and 148 /24s Percentage of available LACNIC address space announced: 69.8 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: 6318 Total AfriNIC prefixes after maximum aggregation: 1829 AfriNIC Deaggregation factor: 3.45 Prefixes being announced from the AfriNIC address blocks: 4703 Unique aggregates announced from the AfriNIC address blocks: 1396 AfriNIC Region origin ASes present in the Internet Routing Table: 338 AfriNIC Prefixes per ASN: 13.91 AfriNIC Region origin ASes announcing only one prefix: 95 AfriNIC Region transit ASes present in the Internet Routing Table: 75 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 14851840 Equivalent to 0 /8s, 226 /16s and 159 /24s Percentage of available AfriNIC address space announced: 44.3 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 1859 7511 472 Korea Telecom (KIX) 4755 1314 305 136 TATA Communications formerly 17488 1273 131 138 Hathway IP Over Cable Interne 18101 1043 220 37 Reliance Infocom Ltd Internet 4134 1018 19609 399 CHINANET-BACKBONE 9583 983 71 489 Sify Limited 7545 924 198 98 TPG Internet Pty Ltd 17974 886 277 43 PT TELEKOMUNIKASI INDONESIA 24560 840 299 173 Bharti Airtel Ltd., Telemedia 4808 835 1583 212 CNCGROUP IP network: China169 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 4135 3875 317 bellsouth.net, inc. 4323 3794 1088 395 Time Warner Telecom 1785 1851 699 132 PaeTec Communications, Inc. 7018 1584 5777 1026 AT&T WorldNet Services 20115 1542 1490 671 Charter Communications 2386 1294 616 916 AT&T Data Communications Serv 3356 1211 10931 423 Level 3 Communications, LLC 11492 1141 222 14 Cable One 22773 1125 2600 66 Cox Communications, Inc. 6478 1106 240 254 AT&T Worldnet Services 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 562 40 5 United Telecom of Georgia 3292 454 1904 396 TDC Tele Danmark 30890 447 100 207 Evolva Telecom 702 422 1821 336 UUNET - Commercial IP service 8551 397 353 37 Bezeq International 8866 376 110 24 Bulgarian Telecommunication C 3320 360 7069 309 Deutsche Telekom AG 3301 350 1412 311 TeliaNet Sweden 3215 345 3174 102 France Telecom Transpac 12479 321 576 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 1565 2885 236 UniNet S.A. de C.V. 10620 1010 226 133 TVCABLE BOGOTA 28573 849 677 100 NET Servicos de Comunicao S.A 7303 672 356 99 Telecom Argentina Stet-France 22047 565 310 15 VTR PUNTO NET S.A. 11830 472 308 59 Instituto Costarricense de El 6503 446 163 185 AVANTEL, S.A. 11172 444 99 69 Servicios Alestra S.A de C.V 14117 439 29 12 Telefonica del Sur S.A. 3816 432 194 70 Empresa Nacional de Telecomun 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 963 445 9 TEDATA 24863 719 144 39 LINKdotNET AS number 36992 475 87 245 Etisalat MISR 3741 274 857 234 The Internet Solution 2018 190 197 109 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 167 19 9 Ci Telecom Autonomous system 29975 134 506 15 Vodacom 33776 123 7 11 Starcomms Nigeria Limited 5536 117 8 3 Internet Egypt Network 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 4135 3875 317 bellsouth.net, inc. 4323 3794 1088 395 Time Warner Telecom 4766 1859 7511 472 Korea Telecom (KIX) 1785 1851 699 132 PaeTec Communications, Inc. 7018 1584 5777 1026 AT&T WorldNet Services 8151 1565 2885 236 UniNet S.A. de C.V. 20115 1542 1490 671 Charter Communications 4755 1314 305 136 TATA Communications formerly 2386 1294 616 916 AT&T Data Communications Serv 17488 1273 131 138 Hathway IP Over Cable Interne Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3794 3399 Time Warner Telecom 1785 1851 1719 PaeTec Communications, Inc. 4766 1859 1387 Korea Telecom (KIX) 8151 1565 1329 UniNet S.A. de C.V. 4755 1314 1178 TATA Communications formerly 17488 1273 1135 Hathway IP Over Cable Interne 11492 1141 1127 Cable One 22773 1125 1059 Cox Communications, Inc. 18566 1059 1049 Covad Communications 18101 1043 1006 Reliance Infocom Ltd Internet 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 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 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 /12:185 /13:385 /14:659 /15:1246 /16:10883 /17:5108 /18:8696 /19:17880 /20:21774 /21:21830 /22:28190 /23:28191 /24:162323 /25:935 /26:1169 /27:586 /28:215 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2693 4135 bellsouth.net, inc. 4323 2362 3794 Time Warner Telecom 4766 1477 1859 Korea Telecom (KIX) 1785 1316 1851 PaeTec Communications, Inc. 11492 1061 1141 Cable One 17488 1052 1273 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 7018 953 1584 AT&T WorldNet Services 18101 922 1043 Reliance Infocom Ltd Internet 10620 915 1010 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 2:1 4:13 8:234 12:2002 13:10 15:22 16:3 17:8 20:39 24:1302 27:1 32:49 38:646 40:99 41:1865 44:3 46:1 47:26 52:6 55:2 56:2 57:23 58:640 59:639 60:389 61:1099 62:1010 63:2034 64:3789 65:2364 66:4096 67:1800 68:1035 69:2841 70:689 71:236 72:1879 73:2 74:2086 75:242 76:351 77:823 78:577 79:411 80:958 81:782 82:457 83:439 84:636 85:1004 86:381 87:695 88:418 89:1537 90:65 91:2701 92:420 93:1172 94:1376 95:796 96:208 97:296 98:534 99:23 100:1 109:266 110:285 111:423 112:219 113:221 114:348 115:514 116:1036 117:609 118:372 119:805 120:144 121:828 122:1380 123:833 124:1075 125:1284 128:197 129:203 130:138 131:477 132:82 133:16 134:195 135:41 136:224 137:172 138:237 139:90 140:460 141:132 142:377 143:339 144:389 145:51 146:406 147:183 148:563 149:196 150:146 151:171 152:248 153:165 154:2 155:269 156:179 157:331 158:97 159:354 160:305 161:176 162:274 163:187 164:305 165:454 166:502 167:389 168:759 169:157 170:571 171:48 172:2 173:455 174:525 175:31 178:2 180:298 183:215 184:3 186:269 187:231 188:1288 189:634 190:3497 192:5720 193:4440 194:3346 195:2787 196:1170 198:3558 199:3396 200:5306 201:1466 202:8094 203:8324 204:4003 205:2178 206:2416 207:3043 208:3924 209:3421 210:2536 211:1170 212:1658 213:1640 214:253 215:62 216:4438 217:1498 218:483 219:448 220:1129 221:469 222:308 End of report
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