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Routing Table Report 00:00 GMT Wed 26 Nov, 2008
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 277921 Prefixes after maximum aggregation: 133418 Deaggregation factor: 2.08 Unique aggregates announced to Internet: 133284 Total ASes present in the Internet Routing Table: 29984 Prefixes per ASN: 9.27 Origin-only ASes present in the Internet Routing Table: 25989 Origin ASes announcing only one prefix: 12713 Transit ASes present in the Internet Routing Table: 3995 Transit-only ASes present in the Internet Routing Table: 95 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 25 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 538 Unregistered ASNs in the Routing Table: 200 Number of 32-bit ASNs allocated by the RIRs: 64 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 198 Number of addresses announced to Internet: 1964617116 Equivalent to 117 /8s, 25 /16s and 173 /24s Percentage of available address space announced: 53.0 Percentage of allocated address space announced: 63.3 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.4 Total number of prefixes smaller than registry allocations: 137931
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 63033 Total APNIC prefixes after maximum aggregation: 23352 APNIC Deaggregation factor: 2.70 Prefixes being announced from the APNIC address blocks: 59977 Unique aggregates announced from the APNIC address blocks: 27035 APNIC Region origin ASes present in the Internet Routing Table: 3474 APNIC Prefixes per ASN: 17.26 APNIC Region origin ASes announcing only one prefix: 945 APNIC Region transit ASes present in the Internet Routing Table: 537 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 388416288 Equivalent to 23 /8s, 38 /16s and 195 /24s Percentage of available APNIC address space announced: 77.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 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, 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: 124915 Total ARIN prefixes after maximum aggregation: 66416 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 93304 Unique aggregates announced from the ARIN address blocks: 34749 ARIN Region origin ASes present in the Internet Routing Table: 12671 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4902 ARIN Region transit ASes present in the Internet Routing Table: 1252 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 402002433 Equivalent to 23 /8s, 246 /16s and 18 /24s Percentage of available ARIN address space announced: 82.6
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 ARIN Address Blocks 24/8, 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, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 61160 Total RIPE prefixes after maximum aggregation: 36302 RIPE Deaggregation factor: 1.68 Prefixes being announced from the RIPE address blocks: 57157 Unique aggregates announced from the RIPE address blocks: 37364 RIPE Region origin ASes present in the Internet Routing Table: 12253 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 6448 RIPE Region transit ASes present in the Internet Routing Table: 1918 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 379687143 Equivalent to 22 /8s, 161 /16s and 144 /24s Percentage of available RIPE address space announced: 87.0
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, 47104-49151 RIPE Address Blocks 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 24132 Total LACNIC prefixes after maximum aggregation: 5554 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 22170 Unique aggregates announced from the LACNIC address blocks: 11422 LACNIC Region origin ASes present in the Internet Routing Table: 1035 LACNIC Prefixes per ASN: 21.42 LACNIC Region origin ASes announcing only one prefix: 333 LACNIC Region transit ASes present in the Internet Routing Table: 172 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 58392334 Equivalent to 3 /8s, 122 /16s and 255 /24s Percentage of available LACNIC address space announced: 58.0
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4151 Total AfriNIC prefixes after maximum aggregation: 1364 AfriNIC Deaggregation factor: 3.04 Prefixes being announced from the AfriNIC address blocks: 4441 Unique aggregates announced from the AfriNIC address blocks: 2242 AfriNIC Region origin ASes present in the Internet Routing Table: 271 AfriNIC Prefixes per ASN: 16.39 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 56 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 13028736 Equivalent to 0 /8s, 198 /16s and 205 /24s Percentage of available AfriNIC address space announced: 25.9
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 17488 1435 100 113 Hathway IP Over Cable Interne 9583 1150 87 480 Sify Limited 4755 1115 434 164 Videsh Sanchar Nigam Ltd. Aut 4766 1077 6409 366 Korea Telecom (KIX) 4134 888 15536 372 CHINANET-BACKBONE 18101 785 168 31 Reliance Infocom Ltd Internet 23577 767 33 687 Korea Telecom (ATM-MPLS) 9498 690 295 51 BHARTI BT INTERNET LTD. 7545 647 152 82 TPG Internet Pty Ltd 24560 625 193 159 Bharti Airtel Ltd.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4367 3418 337 bellsouth.net, inc. 6298 2158 333 635 Cox Communicatons 20115 1840 1460 736 Charter Communications 1785 1702 717 154 AppliedTheory Corporation 6478 1604 368 205 AT&T Worldnet Services 2386 1595 686 910 AT&T Data Communications Serv 4323 1590 1050 376 Time Warner Telecom 7018 1407 9910 966 AT&T WorldNet Services 1803 1328 7 1064 SPRINT 11492 1219 192 12 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3292 438 1765 382 TDC Tele Danmark 12479 370 578 6 Uni2 Autonomous System 30890 367 80 196 SC Kappa Invexim SRL 3301 338 1429 307 TeliaNet Sweden 29049 333 26 3 AzerSat LLC. 8866 330 109 22 Bulgarian Telecommunication C 3320 324 7062 272 Deutsche Telekom AG 3215 316 2788 99 France Telecom Transpac 8452 311 188 11 TEDATA 8551 304 286 37 Bezeq International
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7303 1754 244 73 Telecom Argentina Stet-France 8151 1373 2797 210 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 534 270 14 VTR PUNTO NET S.A. 10620 529 121 44 TVCABLE BOGOTA 16814 426 27 10 NSS, S.A. 6471 425 88 50 ENTEL CHILE S.A. 11172 400 86 70 Servicios Alestra S.A de C.V 16735 377 92 9 Companhia de Telecomunicacoes 7738 373 730 27 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 512 72 50 LINKdotNET AS number 3741 269 857 226 The Internet Solution 20858 261 34 3 EgyNet 2018 238 215 140 Tertiary Education Network 29571 148 13 8 Ci Telecom Autonomous system 33783 143 10 17 EEPAD TISP TELECOM & INTERNET 6713 137 135 11 Itissalat Al-MAGHRIB 5536 120 8 17 Internet Egypt Network 5713 119 555 68 Telkom SA Ltd 33776 116 6 3 Starcomms Nigeria Limited
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4367 3418 337 bellsouth.net, inc. 6298 2158 333 635 Cox Communicatons 20115 1840 1460 736 Charter Communications 7303 1754 244 73 Telecom Argentina Stet-France 1785 1702 717 154 AppliedTheory Corporation 6478 1604 368 205 AT&T Worldnet Services 2386 1595 686 910 AT&T Data Communications Serv 4323 1590 1050 376 Time Warner Telecom 17488 1435 100 113 Hathway IP Over Cable Interne 7018 1407 9910 966 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7303 1754 1681 Telecom Argentina Stet-France 1785 1702 1548 AppliedTheory Corporation 6298 2158 1523 Cox Communicatons 6478 1604 1399 AT&T Worldnet Services 17488 1435 1322 Hathway IP Over Cable Interne 4323 1590 1214 Time Warner Telecom 11492 1219 1207 Cable One 8151 1373 1163 UniNet S.A. de C.V. 20115 1840 1104 Charter Communications 18566 1059 1049 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/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 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.246.47/32 286 KPNQwest Backbone AS 10.29.246.48/32 286 KPNQwest Backbone AS 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS 192.168.192.0/21 7497 Computer Network Information
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/rviews/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 /8:19 /9:9 /10:19 /11:56 /12:162 /13:316 /14:552 /15:1085 /16:10213 /17:4488 /18:7652 /19:16410 /20:19299 /21:19033 /22:24806 /23:25252 /24:145214 /25:652 /26:729 /27:376 /28:801 /29:393 /30:138 /31:0 /32:247
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2857 4367 bellsouth.net, inc. 6298 2132 2158 Cox Communicatons 1803 1307 1328 SPRINT 7303 1286 1754 Telecom Argentina Stet-France 2386 1275 1595 AT&T Data Communications Serv 17488 1225 1435 Hathway IP Over Cable Interne 11492 1194 1219 Cable One 1785 1162 1702 AppliedTheory Corporation 6478 1106 1604 AT&T Worldnet Services 18566 1040 1059 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:12 8:163 12:2201 13:2 15:21 16:3 17:5 20:36 24:1140 32:139 38:518 40:93 41:794 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:505 59:551 60:456 61:1062 62:1180 63:1941 64:3363 65:2430 66:3592 67:1365 68:851 69:2367 70:897 71:172 72:2097 73:7 74:1309 75:172 76:291 77:896 78:520 79:287 80:936 81:854 82:581 83:411 84:587 85:1053 86:508 87:669 88:352 89:1366 90:29 91:1710 92:315 93:1003 94:695 95:39 96:91 97:138 98:398 99:9 100:1 113:41 114:135 115:160 116:1055 117:411 118:297 119:543 120:106 121:652 122:885 123:458 124:847 125:1240 128:357 129:219 130:135 131:410 132:72 133:9 134:187 135:31 136:223 137:116 138:144 139:93 140:430 141:111 142:393 143:305 144:303 145:52 146:373 147:143 148:606 149:291 150:143 151:210 152:139 153:138 154:10 155:277 156:175 157:302 158:168 159:298 160:273 161:132 162:249 163:133 164:517 165:523 166:361 167:340 168:643 169:155 170:484 171:40 172:10 173:122 174:6 187:18 188:1 189:360 190:2681 192:5869 193:4232 194:3395 195:2696 196:1026 198:3715 199:3322 200:5862 201:1608 202:7822 203:7912 204:3920 205:2199 206:2312 207:2734 208:3776 209:3475 210:2563 211:1154 212:1561 213:1676 214:69 215:25 216:4434 217:1249 218:364 219:411 220:1087 221:442 222:308
End of report
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