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Routing Table Report 00:00 GMT Thu 01 Jan, 2009
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: 277265 Prefixes after maximum aggregation: 132624 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 133397 Total ASes present in the Internet Routing Table: 30263 Prefixes per ASN: 9.16 Origin-only ASes present in the Internet Routing Table: 26250 Origin ASes announcing only one prefix: 12811 Transit ASes present in the Internet Routing Table: 4013 Transit-only ASes present in the Internet Routing Table: 111 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 25 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 953 Unregistered ASNs in the Routing Table: 289 Number of 32-bit ASNs allocated by the RIRs: 70 Prefixes from 32-bit ASNs in the Routing Table: 12 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 210 Number of addresses announced to Internet: 1980793404 Equivalent to 118 /8s, 16 /16s and 130 /24s Percentage of available address space announced: 53.4 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 84.6 Percentage of address space in use by end-sites: 75.0 Total number of prefixes smaller than registry allocations: 136215
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 64076 Total APNIC prefixes after maximum aggregation: 23155 APNIC Deaggregation factor: 2.77 Prefixes being announced from the APNIC address blocks: 60896 Unique aggregates announced from the APNIC address blocks: 26054 APNIC Region origin ASes present in the Internet Routing Table: 3496 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 962 APNIC Region transit ASes present in the Internet Routing Table: 542 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC addresses announced to Internet: 396008224 Equivalent to 23 /8s, 154 /16s and 155 /24s Percentage of available APNIC address space announced: 78.7
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: 121762 Total ARIN prefixes after maximum aggregation: 65168 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 90725 Unique aggregates announced from the ARIN address blocks: 35148 ARIN Region origin ASes present in the Internet Routing Table: 12700 ARIN Prefixes per ASN: 7.14 ARIN Region origin ASes announcing only one prefix: 4881 ARIN Region transit ASes present in the Internet Routing Table: 1264 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 405407873 Equivalent to 24 /8s, 42 /16s and 8 /24s Percentage of available ARIN address space announced: 77.9
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, 108/8, 173/8, 174/8, 184/8, 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: 62160 Total RIPE prefixes after maximum aggregation: 36831 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 57898 Unique aggregates announced from the RIPE address blocks: 37915 RIPE Region origin ASes present in the Internet Routing Table: 12453 RIPE Prefixes per ASN: 4.65 RIPE Region origin ASes announcing only one prefix: 6545 RIPE Region transit ASes present in the Internet Routing Table: 1915 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 383819495 Equivalent to 22 /8s, 224 /16s and 158 /24s Percentage of available RIPE address space announced: 88.0
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: 24589 Total LACNIC prefixes after maximum aggregation: 5682 LACNIC Deaggregation factor: 4.33 Prefixes being announced from the LACNIC address blocks: 22695 Unique aggregates announced from the LACNIC address blocks: 11572 LACNIC Region origin ASes present in the Internet Routing Table: 1050 LACNIC Prefixes per ASN: 21.61 LACNIC Region origin ASes announcing only one prefix: 339 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 59105934 Equivalent to 3 /8s, 133 /16s and 226 /24s Percentage of available LACNIC address space announced: 58.7
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: 4170 Total AfriNIC prefixes after maximum aggregation: 1372 AfriNIC Deaggregation factor: 3.04 Prefixes being announced from the AfriNIC address blocks: 4553 Unique aggregates announced from the AfriNIC address blocks: 2192 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 16.50 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 58 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12945024 Equivalent to 0 /8s, 197 /16s and 134 /24s Percentage of available AfriNIC address space announced: 25.7
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 4766 1484 6410 375 Korea Telecom (KIX) 17488 1477 104 101 Hathway IP Over Cable Interne 4755 1129 420 162 Videsh Sanchar Nigam Ltd. Aut 9583 899 131 67 Sify Limited 4134 878 15977 360 CHINANET-BACKBONE 18101 782 168 31 Reliance Infocom Ltd Internet 9498 759 292 47 BHARTI BT INTERNET LTD. 23577 754 33 679 KRNIC 7545 661 152 82 TPG Internet Pty Ltd 24560 657 227 168 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 4377 3433 342 bellsouth.net, inc. 20115 1850 1457 742 Charter Communications 1785 1709 717 154 AppliedTheory Corporation 4323 1608 1067 379 Time Warner Telecom 2386 1582 692 904 AT&T Data Communications Serv 7018 1413 9943 971 AT&T WorldNet Services 11492 1231 192 12 Cable One 3356 1100 10962 429 Level 3 Communications, LLC 18566 1060 296 10 Covad Communications 6478 1028 235 437 AT&T Worldnet Services
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 440 1764 383 TDC Tele Danmark 35228 404 144 5 Avatar Broadband Limited 8452 403 188 7 TEDATA 30890 391 80 203 SC Kappa Invexim SRL 12479 383 578 6 Uni2 Autonomous System 3301 336 1413 303 TeliaNet Sweden 3320 334 7065 282 Deutsche Telekom AG 8866 330 109 22 Bulgarian Telecommunication C 3215 327 2857 96 France Telecom Transpac 29049 323 26 3 AzerSat LLC.
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 1782 249 75 Telecom Argentina Stet-France 8151 1369 2772 228 Uninet S.A. de C.V. 10620 687 149 60 TVCABLE BOGOTA 11830 671 299 9 Instituto Costarricense de El 22047 565 302 14 Types of queries are: POCs, o 6471 430 86 41 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 11172 410 118 72 Alestra 28573 374 489 26 NET Servicos de Comunicao S.A 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 541 74 44 LINKdotNET AS number 3741 269 857 227 The Internet Solution 20858 257 34 3 EgyNet 2018 239 215 140 TENET-1 33783 147 10 13 EEPAD TISP TELECOM & INTERNET 6713 145 139 12 Itissalat Al-MAGHRIB 29571 121 15 8 Ci Telecom Autonomous system 5536 120 8 17 Internet Egypt Network 5713 119 555 68 Telkom SA Ltd 33776 118 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 4377 3433 342 bellsouth.net, inc. 20115 1850 1457 742 Charter Communications 7303 1782 249 75 Telecom Argentina Stet-France 1785 1709 717 154 AppliedTheory Corporation 4323 1608 1067 379 Time Warner Telecom 2386 1582 692 904 AT&T Data Communications Serv 4766 1484 6410 375 Korea Telecom (KIX) 17488 1477 104 101 Hathway IP Over Cable Interne 7018 1413 9943 971 AT&T WorldNet Services 8151 1369 2772 228 Uninet S.A. de C.V.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7303 1782 1707 Telecom Argentina Stet-France 1785 1709 1555 AppliedTheory Corporation 17488 1477 1376 Hathway IP Over Cable Interne 4323 1608 1229 Time Warner Telecom 11492 1231 1219 Cable One 8151 1369 1141 Uninet S.A. de C.V. 4766 1484 1109 Korea Telecom (KIX) 20115 1850 1108 Charter Communications 18566 1060 1050 Covad Communications 4755 1129 967 Videsh Sanchar Nigam Ltd. Aut
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 7018 AT&T WorldNet Servic 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 /8:20 /9:9 /10:20 /11:55 /12:162 /13:318 /14:564 /15:1103 /16:10317 /17:4528 /18:7735 /19:16429 /20:19417 /21:19038 /22:24788 /23:24920 /24:145985 /25:456 /26:565 /27:358 /28:149 /29:164 /30:82 /31:0 /32:83
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2863 4377 bellsouth.net, inc. 7303 1312 1782 Telecom Argentina Stet-France 17488 1263 1477 Hathway IP Over Cable Interne 2386 1259 1582 AT&T Data Communications Serv 4766 1219 1484 Korea Telecom (KIX) 11492 1200 1231 Cable One 1785 1169 1709 AppliedTheory Corporation 18566 1041 1060 Covad Communications 20115 930 1850 Charter Communications 7011 838 935 Citizens Utilities
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:12 5:1 8:176 12:2198 13:2 15:21 16:3 17:5 20:35 24:1124 32:139 38:534 40:96 41:947 43:1 44:2 47:9 52:3 55:3 56:3 57:47 58:535 59:594 60:455 61:1123 62:1167 63:1935 64:3414 65:2438 66:3644 67:1448 68:660 69:2422 70:530 71:174 72:1607 73:7 74:1341 75:194 76:308 77:786 78:511 79:303 80:947 81:847 82:590 83:382 84:594 85:1067 86:393 87:663 88:351 89:1385 90:41 91:1817 92:304 93:1124 94:879 95:146 96:96 97:151 98:172 99:11 110:1 111:1 113:57 114:158 115:181 116:1120 117:446 118:250 119:586 120:122 121:715 122:887 123:489 124:773 125:1337 128:358 129:220 130:134 131:411 132:72 133:9 134:324 135:34 136:219 137:134 138:144 139:99 140:431 141:109 142:382 143:303 144:319 145:53 146:371 147:142 148:606 149:298 150:139 151:208 152:148 153:138 154:10 155:253 156:168 157:272 158:162 159:300 160:274 161:131 162:255 163:142 164:518 165:505 166:364 167:346 168:677 169:159 170:489 171:38 172:10 173:141 174:18 187:17 188:1 189:413 190:2761 192:5854 193:4274 194:3410 195:2726 196:1047 198:3704 199:3321 200:5847 201:1622 202:7941 203:7947 204:3920 205:2165 206:2331 207:2743 208:3809 209:3464 210:2625 211:1188 212:1570 213:1663 214:67 215:29 216:4525 217:1207 218:383 219:401 220:1238 221:401 222:294
End of report
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