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Routing Table Report 00:00 GMT Sat 29 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: 281623 Prefixes after maximum aggregation: 133441 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 133124 Total ASes present in the Internet Routing Table: 29966 Prefixes per ASN: 9.40 Origin-only ASes present in the Internet Routing Table: 26034 Origin ASes announcing only one prefix: 12679 Transit ASes present in the Internet Routing Table: 3932 Transit-only ASes present in the Internet Routing Table: 94 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 21 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 603 Unregistered ASNs in the Routing Table: 204 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: 198 Number of addresses announced to Internet: 1966065560 Equivalent to 117 /8s, 47 /16s and 199 /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: 140177
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 66399 Total APNIC prefixes after maximum aggregation: 23320 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 63347 Unique aggregates announced from the APNIC address blocks: 26744 APNIC Region origin ASes present in the Internet Routing Table: 3474 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: 535 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 388862752 Equivalent to 23 /8s, 45 /16s and 147 /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: 124969 Total ARIN prefixes after maximum aggregation: 66432 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 93364 Unique aggregates announced from the ARIN address blocks: 34791 ARIN Region origin ASes present in the Internet Routing Table: 12640 ARIN Prefixes per ASN: 7.39 ARIN Region origin ASes announcing only one prefix: 4874 ARIN Region transit ASes present in the Internet Routing Table: 1227 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 402046721 Equivalent to 23 /8s, 246 /16s and 191 /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: 61207 Total RIPE prefixes after maximum aggregation: 36353 RIPE Deaggregation factor: 1.68 Prefixes being announced from the RIPE address blocks: 57263 Unique aggregates announced from the RIPE address blocks: 37459 RIPE Region origin ASes present in the Internet Routing Table: 12258 RIPE Prefixes per ASN: 4.67 RIPE Region origin ASes announcing only one prefix: 6449 RIPE Region transit ASes present in the Internet Routing Table: 1886 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 380570343 Equivalent to 22 /8s, 175 /16s and 10 /24s Percentage of available RIPE address space announced: 87.2
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: 24320 Total LACNIC prefixes after maximum aggregation: 5553 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 22363 Unique aggregates announced from the LACNIC address blocks: 11455 LACNIC Region origin ASes present in the Internet Routing Table: 1041 LACNIC Prefixes per ASN: 21.48 LACNIC Region origin ASes announcing only one prefix: 334 LACNIC Region transit ASes present in the Internet Routing Table: 170 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 58484746 Equivalent to 3 /8s, 124 /16s and 104 /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: 4134 Total AfriNIC prefixes after maximum aggregation: 1348 AfriNIC Deaggregation factor: 3.07 Prefixes being announced from the AfriNIC address blocks: 4420 Unique aggregates announced from the AfriNIC address blocks: 2198 AfriNIC Region origin ASes present in the Internet Routing Table: 271 AfriNIC Prefixes per ASN: 16.31 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 13023104 Equivalent to 0 /8s, 198 /16s and 183 /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 1161 563 103 Videsh Sanchar Nigam Ltd. Aut 9583 1137 88 481 Sify Limited 4134 911 15536 371 CHINANET-BACKBONE 18101 787 168 32 Reliance Infocom Ltd Internet 23577 768 33 686 Korea Telecom (ATM-MPLS) 4780 731 357 63 Digital United Inc. 9498 690 295 50 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 4376 3434 344 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 700 901 AT&T Data Communications Serv 4323 1589 1066 377 Time Warner Telecom 7018 1423 9975 980 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 439 1765 383 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 327 7063 275 Deutsche Telekom AG 3215 314 2776 97 France Telecom Transpac 8452 311 188 11 TEDATA 8551 303 286 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 1750 244 72 Telecom Argentina Stet-France 8151 1399 2832 221 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 513 72 46 LINKdotNET AS number 3741 269 857 226 The Internet Solution 20858 262 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 4376 3434 344 bellsouth.net, inc. 4538 3361 3245 44 China Education and Research 6298 2173 335 633 Cox Communicatons 20115 1841 1460 737 Charter Communications 7303 1750 244 72 Telecom Argentina Stet-France 1785 1703 717 154 AppliedTheory Corporation 6478 1609 369 198 AT&T Worldnet Services 2386 1594 700 901 AT&T Data Communications Serv 4323 1589 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 1750 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 1589 1212 Time Warner Telecom 11492 1219 1207 Cable One 8151 1399 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 /16:10268 /17:4526 /18:7754 /19:16562 /20:19841 /21:19296 /22:25124 /23:25606 /24:146978 /25:659 /26:745 /27:383 /28:809 /29:408 /30:189 /31:0 /32:248
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2859 4376 bellsouth.net, inc. 6298 2147 2173 Cox Communicatons 4538 1801 3361 China Education and Research 1803 1307 1328 SPRINT 7303 1282 1750 Telecom Argentina Stet-France 2386 1273 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 12:2201 13:2 15:21 16:3 17:5 20:36 24:1140 32:139 38:519 40:93 41:805 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:541 59:635 60:457 61:1069 62:1195 63:1939 64:3366 65:2431 66:3585 67:1367 68:852 69:2372 70:898 71:172 72:2106 73:7 74:1314 75:172 76:290 77:898 78:523 79:250 80:913 81:858 82:593 83:412 84:573 85:1037 86:507 87:631 88:352 89:1362 90:29 91:1691 92:326 93:1048 94:725 95:49 96:92 97:138 98:403 99:9 100:1 110:1 111:1 113:41 114:132 115:165 116:1082 117:413 118:269 119:556 120:107 121:703 122:895 123:455 124:850 125:1294 128:358 129:219 130:136 131:411 132:72 133:9 134:188 135:31 136:223 137:116 138:144 139:93 140:428 141:111 142:371 143:303 144:308 145:52 146:373 147:143 148:604 149:291 150:143 151:210 152:140 153:138 154:10 155:276 156:165 157:303 158:169 159:298 160:273 161:132 162:252 163:133 164:517 165:523 166:363 167:340 168:651 169:155 170:484 171:40 172:10 173:126 174:7 187:18 188:1 189:374 190:2707 192:5864 193:4258 194:3393 195:2687 196:1002 198:3720 199:3318 200:5897 201:1615 202:8136 203:8064 204:3919 205:2190 206:2318 207:2738 208:3785 209:3478 210:3053 211:1333 212:1554 213:1673 214:69 215:25 216:4433 217:1229 218:423 219:506 220:1098 221:459 222:436
End of report
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