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Routing Table Report 00:00 GMT Mon 01 Dec, 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: 281903 Prefixes after maximum aggregation: 133478 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 133252 Total ASes present in the Internet Routing Table: 29994 Prefixes per ASN: 9.40 Origin-only ASes present in the Internet Routing Table: 26006 Origin ASes announcing only one prefix: 12694 Transit ASes present in the Internet Routing Table: 3988 Transit-only ASes present in the Internet Routing Table: 96 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 24 Max AS path prepend of ASN (17565) 18 Prefixes from unregistered ASNs in the Routing Table: 540 Unregistered ASNs in the Routing Table: 203 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: 194 Number of addresses announced to Internet: 1966070172 Equivalent to 117 /8s, 47 /16s and 217 /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: 140427
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 66398 Total APNIC prefixes after maximum aggregation: 23351 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 63341 Unique aggregates announced from the APNIC address blocks: 26709 APNIC Region origin ASes present in the Internet Routing Table: 3475 APNIC Prefixes per ASN: 18.23 APNIC Region origin ASes announcing only one prefix: 939 APNIC Region transit ASes present in the Internet Routing Table: 538 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 388860704 Equivalent to 23 /8s, 45 /16s and 139 /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: 124952 Total ARIN prefixes after maximum aggregation: 66396 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 93350 Unique aggregates announced from the ARIN address blocks: 34780 ARIN Region origin ASes present in the Internet Routing Table: 12653 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4881 ARIN Region transit ASes present in the Internet Routing Table: 1248 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 402048769 Equivalent to 23 /8s, 246 /16s and 199 /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: 61598 Total RIPE prefixes after maximum aggregation: 36425 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 57585 Unique aggregates announced from the RIPE address blocks: 37610 RIPE Region origin ASes present in the Internet Routing Table: 12278 RIPE Prefixes per ASN: 4.69 RIPE Region origin ASes announcing only one prefix: 6458 RIPE Region transit ASes present in the Internet Routing Table: 1906 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 380692711 Equivalent to 22 /8s, 176 /16s and 232 /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: 24287 Total LACNIC prefixes after maximum aggregation: 5531 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 22332 Unique aggregates announced from the LACNIC address blocks: 11475 LACNIC Region origin ASes present in the Internet Routing Table: 1039 LACNIC Prefixes per ASN: 21.49 LACNIC Region origin ASes announcing only one prefix: 333 LACNIC Region transit ASes present in the Internet Routing Table: 173 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 58510094 Equivalent to 3 /8s, 124 /16s and 203 /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: 4137 Total AfriNIC prefixes after maximum aggregation: 1343 AfriNIC Deaggregation factor: 3.08 Prefixes being announced from the AfriNIC address blocks: 4424 Unique aggregates announced from the AfriNIC address blocks: 2208 AfriNIC Region origin ASes present in the Internet Routing Table: 267 AfriNIC Prefixes per ASN: 16.57 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 57 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 13015680 Equivalent to 0 /8s, 198 /16s and 154 /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 1164 6409 366 Korea Telecom (KIX) 4755 1160 563 101 Videsh Sanchar Nigam Ltd. Aut 9583 1134 88 485 Sify Limited 4134 911 15536 371 CHINANET-BACKBONE 18101 787 168 32 Reliance Infocom Ltd Internet 23577 769 33 687 Korea Telecom (ATM-MPLS) 4780 731 357 63 Digital United Inc. 9498 689 295 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 4372 3432 342 bellsouth.net, inc. 6298 2173 335 633 Cox Communicatons 20115 1841 1460 737 Charter Communications 1785 1704 717 155 AppliedTheory Corporation 6478 1609 369 198 AT&T Worldnet Services 2386 1595 686 910 AT&T Data Communications Serv 4323 1591 1066 377 Time Warner Telecom 7018 1430 9944 985 AT&T WorldNet Services 1803 1328 7 1063 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 369 80 196 SC Kappa Invexim SRL 3301 336 1413 305 TeliaNet Sweden 29049 331 26 3 AzerSat LLC. 8866 330 109 22 Bulgarian Telecommunication C 3320 327 7063 275 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 1749 244 73 Telecom Argentina Stet-France 8151 1394 2832 216 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 402 118 72 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 516 72 47 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 4372 3432 342 bellsouth.net, inc. 4538 3361 3245 44 China Education and Research 6298 2173 335 633 Cox Communicatons 20115 1841 1460 737 Charter Communications 7303 1749 244 73 Telecom Argentina Stet-France 1785 1704 717 155 AppliedTheory Corporation 6478 1609 369 198 AT&T Worldnet Services 2386 1595 686 910 AT&T Data Communications Serv 4323 1591 1066 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 1749 1676 Telecom Argentina Stet-France 1785 1704 1549 AppliedTheory Corporation 6298 2173 1540 Cox Communicatons 6478 1609 1411 AT&T Worldnet Services 17488 1442 1338 Hathway IP Over Cable Interne 4323 1591 1214 Time Warner Telecom 11492 1219 1207 Cable One 8151 1394 1178 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 /16:10265 /17:4525 /18:7748 /19:16573 /20:19857 /21:19303 /22:25174 /23:25615 /24:147223 /25:653 /26:730 /27:377 /28:805 /29:405 /30:175 /31:0 /32:248
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2858 4372 bellsouth.net, inc. 6298 2147 2173 Cox Communicatons 4538 1801 3361 China Education and Research 1803 1307 1328 SPRINT 7303 1282 1749 Telecom Argentina Stet-France 2386 1274 1595 AT&T Data Communications Serv 17488 1232 1442 Hathway IP Over Cable Interne 11492 1194 1219 Cable One 1785 1164 1704 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 12:2199 13:2 15:21 16:3 17:5 20:36 24:1140 32:139 38:523 40:93 41:795 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:541 59:633 60:457 61:1063 62:1193 63:1939 64:3368 65:2432 66:3589 67:1369 68:852 69:2370 70:899 71:172 72:2107 73:7 74:1314 75:172 76:290 77:900 78:517 79:293 80:940 81:858 82:599 83:412 84:592 85:1056 86:507 87:670 88:353 89:1401 90:29 91:1723 92:325 93:1052 94:763 95:50 96:92 97:138 98:403 99:9 100:1 110:1 111:1 113:41 114:138 115:165 116:1083 117:414 118:270 119:558 120:108 121:704 122:898 123:458 124:853 125:1293 128:358 129:219 130:136 131:411 132:72 133:9 134:188 135:31 136:223 137:117 138:144 139:93 140:427 141:111 142:372 143:303 144:309 145:52 146:370 147:143 148:603 149:291 150:143 151:210 152:143 153:138 154:10 155:276 156:165 157:303 158:164 159:298 160:274 161:132 162:252 163:133 164:517 165:524 166:363 167:341 168:651 169:154 170:487 171:40 172:10 173:126 174:7 187:18 188:1 189:371 190:2707 192:5863 193:4260 194:3394 195:2689 196:1007 198:3718 199:3319 200:5876 201:1620 202:8142 203:8063 204:3917 205:2177 206:2309 207:2736 208:3784 209:3478 210:3050 211:1334 212:1558 213:1668 214:71 215:25 216:4439 217:1247 218:422 219:500 220:1105 221:465 222:410
End of report
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