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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sun 19 Oct, 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: 277340 Prefixes after maximum aggregation: 132220 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 131559 Total ASes present in the Internet Routing Table: 29545 Prefixes per ASN: 9.39 Origin-only ASes present in the Internet Routing Table: 25603 Origin ASes announcing only one prefix: 12495 Transit ASes present in the Internet Routing Table: 3942 Transit-only ASes present in the Internet Routing Table: 86 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 571 Unregistered ASNs in the Routing Table: 208 Number of 32-bit ASNs allocated by the RIRs: 61 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 773 Number of addresses announced to Internet: 1942114173 Equivalent to 115 /8s, 194 /16s and 79 /24s Percentage of available address space announced: 52.4 Percentage of allocated address space announced: 63.6 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.9 Total number of prefixes smaller than registry allocations: 137518
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 65427 Total APNIC prefixes after maximum aggregation: 23087 APNIC Deaggregation factor: 2.83 Prefixes being announced from the APNIC address blocks: 62410 Unique aggregates announced from the APNIC address blocks: 26337 APNIC Region origin ASes present in the Internet Routing Table: 3415 APNIC Prefixes per ASN: 18.28 APNIC Region origin ASes announcing only one prefix: 917 APNIC Region transit ASes present in the Internet Routing Table: 539 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 379494432 Equivalent to 22 /8s, 158 /16s and 160 /24s Percentage of available APNIC address space announced: 80.8
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: 123448 Total ARIN prefixes after maximum aggregation: 66302 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 91679 Unique aggregates announced from the ARIN address blocks: 35164 ARIN Region origin ASes present in the Internet Routing Table: 12538 ARIN Prefixes per ASN: 7.31 ARIN Region origin ASes announcing only one prefix: 4845 ARIN Region transit ASes present in the Internet Routing Table: 1243 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 364397953 Equivalent to 21 /8s, 184 /16s and 69 /24s Percentage of available ARIN address space announced: 74.9
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, 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: 60222 Total RIPE prefixes after maximum aggregation: 35706 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 55859 Unique aggregates announced from the RIPE address blocks: 36201 RIPE Region origin ASes present in the Internet Routing Table: 12042 RIPE Prefixes per ASN: 4.64 RIPE Region origin ASes announcing only one prefix: 6326 RIPE Region transit ASes present in the Internet Routing Table: 1888 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 376070983 Equivalent to 22 /8s, 106 /16s and 99 /24s Percentage of available RIPE address space announced: 86.2
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: 23647 Total LACNIC prefixes after maximum aggregation: 5368 LACNIC Deaggregation factor: 4.41 Prefixes being announced from the LACNIC address blocks: 21721 Unique aggregates announced from the LACNIC address blocks: 11116 LACNIC Region origin ASes present in the Internet Routing Table: 1013 LACNIC Prefixes per ASN: 21.44 LACNIC Region origin ASes announcing only one prefix: 327 LACNIC Region transit ASes present in the Internet Routing Table: 167 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 57383182 Equivalent to 3 /8s, 107 /16s and 153 /24s Percentage of available LACNIC address space announced: 57.0
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: 4026 Total AfriNIC prefixes after maximum aggregation: 1318 AfriNIC Deaggregation factor: 3.05 Prefixes being announced from the AfriNIC address blocks: 4268 Unique aggregates announced from the AfriNIC address blocks: 2104 AfriNIC Region origin ASes present in the Internet Routing Table: 260 AfriNIC Prefixes per ASN: 16.42 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 52 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC addresses announced to Internet: 12849792 Equivalent to 0 /8s, 196 /16s and 18 /24s Percentage of available AfriNIC address space announced: 38.3
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 3348 3214 44 China Education and Research 4755 1479 575 104 Videsh Sanchar Nigam Ltd. Aut 17488 1388 96 103 Hathway IP Over Cable Interne 9583 1110 87 476 Sify Limited 4134 858 13663 346 CHINANET-BACKBONE 4766 847 6406 360 Korea Telecom (KIX) 18101 781 161 65 Reliance Infocom Ltd Internet 23577 773 33 687 Korea Telecom (ATM-MPLS) 4780 721 355 62 Digital United Inc. 9498 690 295 55 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 4293 3384 335 bellsouth.net, inc. 6298 2011 319 715 Cox Communicatons 20115 1925 1425 722 Charter Communications 1785 1680 718 155 AppliedTheory Corporation 2386 1590 685 907 AT&T Data Communications Serv 4323 1549 1081 372 Time Warner Telecom 7018 1397 9943 964 AT&T WorldNet Services 1803 1342 9 1059 SPRINT 6478 1319 273 197 AT&T Worldnet Services 11492 1212 152 11 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 1777 385 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 8866 328 111 23 Bulgarian Telecommunication C 3215 327 2756 106 France Telecom Transpac 3301 327 1428 298 TeliaNet Sweden 3320 327 7063 275 Deutsche Telekom AG 5462 325 794 27 Telewest Broadband 35228 312 94 7 Avatar Broadband Limited 25233 295 45 27 Awalnet 8452 294 188 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 1733 242 69 Telecom Argentina Stet-France 8151 1406 2848 216 UniNet S.A. de C.V. 11830 669 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 10620 506 122 61 TVCABLE BOGOTA 16735 436 93 11 Companhia de Telecomunicacoes 16814 426 27 10 NSS, S.A. 6471 420 85 49 ENTEL CHILE S.A. 11172 404 118 73 Servicios Alestra S.A de C.V 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 544 72 40 LINKdotNET AS number 3741 268 856 225 The Internet Solution 2018 233 215 139 Tertiary Education Network 20858 214 34 3 EgyNet 6713 144 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 124 8 20 Internet Egypt Network 33776 116 6 3 Starcomms Nigeria Limited 5713 115 555 65 Telkom SA Ltd 29571 112 13 9 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 4293 3384 335 bellsouth.net, inc. 4538 3348 3214 44 China Education and Research 6298 2011 319 715 Cox Communicatons 20115 1925 1425 722 Charter Communications 7303 1733 242 69 Telecom Argentina Stet-France 1785 1680 718 155 AppliedTheory Corporation 2386 1590 685 907 AT&T Data Communications Serv 4323 1549 1081 372 Time Warner Telecom 4755 1479 575 104 Videsh Sanchar Nigam Ltd. Aut 8151 1406 2848 216 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 4538 3348 3304 China Education and Research 7303 1733 1664 Telecom Argentina Stet-France 1785 1680 1525 AppliedTheory Corporation 4755 1479 1375 Videsh Sanchar Nigam Ltd. Aut 6298 2011 1296 Cox Communicatons 17488 1388 1285 Hathway IP Over Cable Interne 20115 1925 1203 Charter Communications 11492 1212 1201 Cable One 8151 1406 1190 UniNet S.A. de C.V. 4323 1549 1177 Time Warner Telecom
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 10.29.246.49/32 286 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 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 63.143.71.0/24 701 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 /8:20 /9:9 /10:17 /11:47 /12:152 /13:306 /14:543 /15:1077 /16:10214 /17:4443 /18:7655 /19:16360 /20:19555 /21:18870 /22:24465 /23:25146 /24:145096 /25:646 /26:724 /27:385 /28:788 /29:396 /30:193 /31:0 /32:233
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2843 4293 bellsouth.net, inc. 6298 1985 2011 Cox Communicatons 4538 1778 3348 China Education and Research 1803 1319 1342 SPRINT 2386 1269 1590 AT&T Data Communications Serv 7303 1261 1733 Telecom Argentina Stet-France 11492 1188 1212 Cable One 17488 1179 1388 Hathway IP Over Cable Interne 1785 1140 1680 AppliedTheory Corporation 6478 1104 1319 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 8:143 12:2202 13:2 15:22 16:3 17:5 18:13 20:38 24:1148 31:1 32:195 38:507 40:92 41:703 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:558 59:604 60:452 61:1017 62:1163 63:1958 64:3262 65:2413 66:3549 67:1268 68:807 69:2336 70:863 71:276 72:2057 73:7 74:1254 75:214 76:290 77:925 78:824 79:279 80:916 81:867 82:611 83:405 84:595 85:1033 86:496 87:710 88:327 89:1354 90:23 91:1607 92:270 93:968 94:261 95:3 96:80 97:104 98:350 99:11 113:15 114:116 115:124 116:1031 117:391 118:247 119:524 120:98 121:640 122:856 123:462 124:865 125:1243 128:353 129:210 130:135 131:417 132:72 133:9 134:185 135:31 136:223 137:98 138:144 139:88 140:448 141:106 142:401 143:289 144:321 145:51 146:375 147:158 148:530 149:296 150:128 151:208 152:152 153:142 154:10 155:278 156:170 157:302 158:169 159:302 160:276 161:139 162:253 163:134 164:519 165:518 166:379 167:338 168:639 169:144 170:468 171:33 172:10 173:55 187:14 188:1 189:338 190:2550 192:5828 193:4263 194:3361 195:2691 196:995 198:3741 199:3313 200:5896 201:1602 202:8236 203:8046 204:3901 205:2157 206:2300 207:2710 208:3710 209:3419 210:3009 211:1302 212:1524 213:1653 214:163 215:50 216:4384 217:1250 218:414 219:528 220:1064 221:418 222:422
End of report
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