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Routing Table Report 00:00 GMT Sun 07 Sep, 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: 286246 Prefixes after maximum aggregation: 130887 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 129735 Total ASes present in the Internet Routing Table: 29182 Prefixes per ASN: 9.81 Origin-only ASes present in the Internet Routing Table: 25273 Origin ASes announcing only one prefix: 12286 Transit ASes present in the Internet Routing Table: 3909 Transit-only ASes present in the Internet Routing Table: 96 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 603 Unregistered ASNs in the Routing Table: 232 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 773 Number of addresses announced to Internet: 1916538806 Equivalent to 114 /8s, 60 /16s and 15 /24s Percentage of available address space announced: 51.7 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.4 Total number of prefixes smaller than registry allocations: 136269
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 67363 Total APNIC prefixes after maximum aggregation: 22675 APNIC Deaggregation factor: 2.97 Prefixes being announced from the APNIC address blocks: 64374 Unique aggregates announced from the APNIC address blocks: 25974 APNIC Region origin ASes present in the Internet Routing Table: 3370 APNIC Prefixes per ASN: 19.10 APNIC Region origin ASes announcing only one prefix: 910 APNIC Region transit ASes present in the Internet Routing Table: 538 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 375498912 Equivalent to 22 /8s, 97 /16s and 168 /24s Percentage of available APNIC address space announced: 79.9
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, 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: 127648 Total ARIN prefixes after maximum aggregation: 66115 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 95230 Unique aggregates announced from the ARIN address blocks: 35123 ARIN Region origin ASes present in the Internet Routing Table: 12436 ARIN Prefixes per ASN: 7.66 ARIN Region origin ASes announcing only one prefix: 4776 ARIN Region transit ASes present in the Internet Routing Table: 1232 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 362772097 Equivalent to 21 /8s, 159 /16s and 118 /24s Percentage of available ARIN address space announced: 74.6
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: 62409 Total RIPE prefixes after maximum aggregation: 35062 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 58005 Unique aggregates announced from the RIPE address blocks: 35299 RIPE Region origin ASes present in the Internet Routing Table: 11822 RIPE Prefixes per ASN: 4.91 RIPE Region origin ASes announcing only one prefix: 6189 RIPE Region transit ASes present in the Internet Routing Table: 1842 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 371255424 Equivalent to 22 /8s, 32 /16s and 232 /24s Percentage of available RIPE address space announced: 85.1
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, 47104-48127 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: 24164 Total LACNIC prefixes after maximum aggregation: 5313 LACNIC Deaggregation factor: 4.55 Prefixes being announced from the LACNIC address blocks: 22397 Unique aggregates announced from the LACNIC address blocks: 10819 LACNIC Region origin ASes present in the Internet Routing Table: 993 LACNIC Prefixes per ASN: 22.55 LACNIC Region origin ASes announcing only one prefix: 320 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: 26 Number of LACNIC addresses announced to Internet: 55066126 Equivalent to 3 /8s, 72 /16s and 62 /24s Percentage of available LACNIC address space announced: 54.7
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: 4060 Total AfriNIC prefixes after maximum aggregation: 1250 AfriNIC Deaggregation factor: 3.25 Prefixes being announced from the AfriNIC address blocks: 4369 Unique aggregates announced from the AfriNIC address blocks: 1963 AfriNIC Region origin ASes present in the Internet Routing Table: 258 AfriNIC Prefixes per ASN: 16.93 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12673024 Equivalent to 0 /8s, 193 /16s and 96 /24s Percentage of available AfriNIC address space announced: 37.8
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4538 3312 3214 44 China Education and Research 4134 2836 13651 345 CHINANET-BACKBONE 4755 1725 578 92 Videsh Sanchar Nigam Ltd. Aut 17488 1372 93 99 Hathway IP Over Cable Interne 9583 1147 89 492 Sify Limited 4766 843 6407 358 Korea Telecom (KIX) 23577 822 33 727 Korea Telecom (ATM-MPLS) 4780 718 353 61 Digital United Inc. 18101 715 167 29 Reliance Infocom Ltd Internet 9498 682 291 54 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 4317 3384 334 bellsouth.net, inc. 6298 1970 314 760 Cox Communicatons 1785 1653 710 156 AppliedTheory Corporation 20115 1584 1257 705 Charter Communications 2386 1555 677 908 AT&T Data Communications Serv 3549 1511 540 214 Global Crossing 4323 1505 1071 374 Time Warner Telecom 7018 1483 9868 957 AT&T WorldNet Services 7132 1410 9279 332 SBC Internet Services 1803 1299 8 1026 SPRINT
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 3320 915 7063 273 Deutsche Telekom AG 3352 700 2044 43 Ibernet, Internet Access Netw 3269 577 3389 73 TELECOM ITALIA 1257 497 1131 205 SWIPnet Swedish IP Network 3292 496 1776 374 TDC Tele Danmark 3215 490 2756 106 France Telecom Transpac 9121 405 1445 27 TTnet Autonomous System 3301 359 1444 305 TeliaNet Sweden 5462 334 794 27 Telewest Broadband 8452 329 188 11 TEDATA
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 1728 239 67 Telecom Argentina Stet-France 8151 1648 2608 229 UniNet S.A. de C.V. 11830 667 299 9 Instituto Costarricense de El 22047 591 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 425 85 48 ENTEL CHILE S.A. 10620 422 103 62 TVCABLE BOGOTA 28573 416 441 29 NET Servicos de Comunicao S.A 11172 413 118 72 Servicios Alestra S.A de C.V 16735 412 92 11 Companhia de Telecomunicacoes
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 515 65 36 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 264 855 223 The Internet Solution 2018 232 214 138 Tertiary Education Network 6713 146 135 11 Itissalat Al-MAGHRIB 33783 136 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 5713 118 555 68 Telkom SA Ltd 29571 107 13 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 4317 3384 334 bellsouth.net, inc. 4538 3312 3214 44 China Education and Research 4134 2836 13651 345 CHINANET-BACKBONE 6298 1970 314 760 Cox Communicatons 7303 1728 239 67 Telecom Argentina Stet-France 4755 1725 578 92 Videsh Sanchar Nigam Ltd. Aut 1785 1653 710 156 AppliedTheory Corporation 8151 1648 2608 229 UniNet S.A. de C.V. 20115 1584 1257 705 Charter Communications 2386 1555 677 908 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3312 3268 China Education and Research 4134 2836 2491 CHINANET-BACKBONE 7303 1728 1661 Telecom Argentina Stet-France 4755 1725 1633 Videsh Sanchar Nigam Ltd. Aut 1785 1653 1497 AppliedTheory Corporation 8151 1648 1419 UniNet S.A. de C.V. 3549 1511 1297 Global Crossing 17488 1372 1273 Hathway IP Over Cable Interne 6298 1970 1210 Cox Communicatons 11492 1211 1193 Cable One
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 22492 UNALLOCATED 12.2.46.0/24 1239 Sprint 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 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 10.29.246.49/32 286 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 41.215.248.0/22 16422 Newskies Networks, Inc. 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.71.0/24 701 UUNET Technologies, Inc.
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 /10:17 /11:46 /12:147 /13:298 /14:535 /15:1073 /16:10155 /17:4419 /18:7703 /19:28163 /20:19135 /21:18621 /22:23962 /23:24800 /24:143391 /25:793 /26:1020 /27:368 /28:757 /29:380 /30:225 /31:0 /32:210
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2848 4317 bellsouth.net, inc. 6298 1945 1970 Cox Communicatons 4538 1761 3312 China Education and Research 1803 1277 1299 SPRINT 2386 1233 1555 AT&T Data Communications Serv 7303 1227 1728 Telecom Argentina Stet-France 11492 1192 1211 Cable One 17488 1179 1372 Hathway IP Over Cable Interne 1785 1122 1653 AppliedTheory Corporation 3549 1098 1511 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:139 12:2162 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1088 32:197 38:491 40:92 41:714 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:559 59:590 60:453 61:974 62:1296 63:1977 64:3393 65:2347 66:3477 67:1232 68:774 69:2299 70:843 71:169 72:2026 73:6 74:1137 75:171 76:286 77:789 78:800 79:318 80:947 81:835 82:585 83:371 84:577 85:958 86:398 87:726 88:337 89:1328 90:25 91:1449 92:241 93:781 94:134 96:64 97:68 98:323 99:7 114:97 115:44 116:1036 117:367 118:240 119:486 120:86 121:604 122:840 123:404 124:854 125:1245 128:353 129:204 130:134 131:408 132:70 133:9 134:178 135:34 136:223 137:92 138:141 139:101 140:499 141:102 142:407 143:296 144:361 145:51 146:382 147:157 148:514 149:294 150:128 151:181 152:148 153:143 154:10 155:283 156:175 157:298 158:163 159:300 160:274 161:138 162:255 163:155 164:512 165:502 166:382 167:331 168:627 169:142 170:458 171:33 172:10 173:33 188:1 189:634 190:2394 192:5808 193:4243 194:3357 195:2658 196:995 198:3738 199:3313 200:5951 201:1645 202:8202 203:8067 204:3943 205:2143 206:2424 207:2732 208:3682 209:3406 210:2986 211:1253 212:1432 213:1648 214:177 215:50 216:4331 217:1207 218:404 219:523 220:1065 221:427 222:443
End of report
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