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Routing Table Report 00:00 GMT Sun 30 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: 281851 Prefixes after maximum aggregation: 133507 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 133194 Total ASes present in the Internet Routing Table: 30017 Prefixes per ASN: 9.39 Origin-only ASes present in the Internet Routing Table: 26036 Origin ASes announcing only one prefix: 12707 Transit ASes present in the Internet Routing Table: 3981 Transit-only ASes present in the Internet Routing Table: 97 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 29 Max AS path prepend of ASN (16327) 25 Prefixes from unregistered ASNs in the Routing Table: 615 Unregistered ASNs in the Routing Table: 209 Number of 32-bit ASNs allocated by the RIRs: 65 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: 196 Number of addresses announced to Internet: 1966146460 Equivalent to 117 /8s, 49 /16s and 3 /24s Percentage of available address space announced: 53.0 Percentage of allocated address space announced: 63.4 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.5 Total number of prefixes smaller than registry allocations: 140341
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 66386 Total APNIC prefixes after maximum aggregation: 23359 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 63329 Unique aggregates announced from the APNIC address blocks: 26709 APNIC Region origin ASes present in the Internet Routing Table: 3473 APNIC Prefixes per ASN: 18.23 APNIC Region origin ASes announcing only one prefix: 941 APNIC Region transit ASes present in the Internet Routing Table: 539 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 388902432 Equivalent to 23 /8s, 46 /16s and 46 /24s Percentage of available APNIC address space announced: 77.3
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: 124958 Total ARIN prefixes after maximum aggregation: 66425 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 93365 Unique aggregates announced from the ARIN address blocks: 34786 ARIN Region origin ASes present in the Internet Routing Table: 12676 ARIN Prefixes per ASN: 7.37 ARIN Region origin ASes announcing only one prefix: 4899 ARIN Region transit ASes present in the Internet Routing Table: 1250 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 402051073 Equivalent to 23 /8s, 246 /16s and 208 /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: 61520 Total RIPE prefixes after maximum aggregation: 36382 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 57565 Unique aggregates announced from the RIPE address blocks: 37570 RIPE Region origin ASes present in the Internet Routing Table: 12276 RIPE Prefixes per ASN: 4.69 RIPE Region origin ASes announcing only one prefix: 6455 RIPE Region transit ASes present in the Internet Routing Table: 1891 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 29 Number of RIPE addresses announced to Internet: 380777959 Equivalent to 22 /8s, 178 /16s and 53 /24s Percentage of available RIPE address space announced: 87.3
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, 47104-49151 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: 24237 Total LACNIC prefixes after maximum aggregation: 5558 LACNIC Deaggregation factor: 4.36 Prefixes being announced from the LACNIC address blocks: 22287 Unique aggregates announced from the LACNIC address blocks: 11450 LACNIC Region origin ASes present in the Internet Routing Table: 1037 LACNIC Prefixes per ASN: 21.49 LACNIC Region origin ASes announcing only one prefix: 329 LACNIC Region transit ASes present in the Internet Routing Table: 178 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 58471182 Equivalent to 3 /8s, 124 /16s and 51 /24s Percentage of available LACNIC address space announced: 58.1
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: 4144 Total AfriNIC prefixes after maximum aggregation: 1347 AfriNIC Deaggregation factor: 3.08 Prefixes being announced from the AfriNIC address blocks: 4434 Unique aggregates announced from the AfriNIC address blocks: 2214 AfriNIC Region origin ASes present in the Internet Routing Table: 270 AfriNIC Prefixes per ASN: 16.42 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 56 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 13032064 Equivalent to 0 /8s, 198 /16s and 218 /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 4538 3361 3245 44 China Education and Research 17488 1442 101 104 Hathway IP Over Cable Interne 4766 1163 6408 365 Korea Telecom (KIX) 4755 1158 563 101 Videsh Sanchar Nigam Ltd. Aut 9583 1135 88 487 Sify Limited 4134 911 15536 371 CHINANET-BACKBONE 18101 787 168 32 Reliance Infocom Ltd Internet 23577 767 33 685 Korea Telecom (ATM-MPLS) 4780 731 357 63 Digital United Inc. 9498 691 295 51 BHARTI BT INTERNET 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 4369 3431 338 bellsouth.net, inc. 6298 2173 335 633 Cox Communicatons 20115 1841 1460 737 Charter Communications 1785 1703 717 154 AppliedTheory Corporation 6478 1609 369 198 AT&T Worldnet Services 2386 1594 686 909 AT&T Data Communications Serv 4323 1592 1052 377 Time Warner Telecom 7018 1408 9926 967 AT&T WorldNet Services 1803 1329 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 371 578 6 Uni2 Autonomous System 30890 369 80 196 SC Kappa Invexim SRL 3301 337 1429 306 TeliaNet Sweden 29049 331 26 3 AzerSat LLC. 8866 330 109 22 Bulgarian Telecommunication C 3320 326 7063 274 Deutsche Telekom AG 3215 314 2776 97 France Telecom Transpac 8452 311 188 11 TEDATA 8551 302 286 36 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 1753 244 75 Telecom Argentina Stet-France 8151 1373 2797 210 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 552 270 14 VTR PUNTO NET S.A. 10620 546 122 40 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 381 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 513 72 46 LINKdotNET AS number 3741 269 857 226 The Internet Solution 20858 265 34 3 EgyNet 2018 239 215 140 Tertiary Education Network 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 29571 113 15 8 Ci Telecom Autonomous system
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 4369 3431 338 bellsouth.net, inc. 4538 3361 3245 44 China Education and Research 6298 2173 335 633 Cox Communicatons 20115 1841 1460 737 Charter Communications 7303 1753 244 75 Telecom Argentina Stet-France 1785 1703 717 154 AppliedTheory Corporation 6478 1609 369 198 AT&T Worldnet Services 2386 1594 686 909 AT&T Data Communications Serv 4323 1592 1052 377 Time Warner Telecom 17488 1442 101 104 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3361 3317 China Education and Research 7303 1753 1678 Telecom Argentina Stet-France 1785 1703 1549 AppliedTheory Corporation 6298 2173 1540 Cox Communicatons 6478 1609 1411 AT&T Worldnet Services 17488 1442 1338 Hathway IP Over Cable Interne 4323 1592 1215 Time Warner Telecom 11492 1219 1207 Cable One 8151 1373 1163 UniNet S.A. de C.V. 20115 1841 1104 Charter 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 /14:556 /15:1090 /16:10266 /17:4528 /18:7756 /19:16578 /20:19859 /21:19305 /22:25142 /23:25629 /24:147165 /25:649 /26:730 /27:381 /28:805 /29:408 /30:175 /31:0 /32:248
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2858 4369 bellsouth.net, inc. 6298 2147 2173 Cox Communicatons 4538 1801 3361 China Education and Research 1803 1308 1329 SPRINT 7303 1285 1753 Telecom Argentina Stet-France 2386 1274 1594 AT&T Data Communications Serv 17488 1232 1442 Hathway IP Over Cable Interne 11492 1194 1219 Cable One 1785 1164 1703 AppliedTheory Corporation 6478 1106 1609 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:12 8:163 12:2200 13:2 15:21 16:3 17:5 20:36 24:1140 32:139 38:523 40:93 41:800 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:540 59:635 60:457 61:1067 62:1193 63:1936 64:3367 65:2432 66:3588 67:1367 68:851 69:2370 70:899 71:172 72:2106 73:7 74:1314 75:172 76:290 77:899 78:520 79:291 80:942 81:858 82:598 83:412 84:590 85:1051 86:505 87:670 88:352 89:1381 90:29 91:1723 92:325 93:1052 94:762 95:49 96:92 97:138 98:403 99:9 100:1 110:1 111:1 113:41 114:137 115:165 116:1085 117:414 118:270 119:557 120:107 121:703 122:898 123:457 124:852 125:1278 128:358 129:219 130:136 131:411 132:72 133:9 134:187 135:31 136:223 137:117 138:144 139:93 140:428 141:111 142:372 143:303 144:310 145:52 146:368 147:143 148:603 149:291 150:143 151:210 152:143 153:138 154:10 155:276 156:165 157:303 158:169 159:298 160:274 161:132 162:252 163:133 164:517 165:522 166:363 167:340 168:651 169:154 170:487 171:40 172:10 173:126 174:7 187:18 188:1 189:370 190:2703 192:5863 193:4258 194:3396 195:2685 196:1005 198:3718 199:3317 200:5875 201:1616 202:8142 203:8053 204:3920 205:2191 206:2311 207:2736 208:3782 209:3480 210:3052 211:1300 212:1563 213:1671 214:71 215:25 216:4435 217:1246 218:422 219:506 220:1099 221:465 222:436
End of report
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