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Routing Table Report 00:00 GMT Mon 08 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: 285492 Prefixes after maximum aggregation: 130972 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 129888 Total ASes present in the Internet Routing Table: 29210 Prefixes per ASN: 9.77 Origin-only ASes present in the Internet Routing Table: 25298 Origin ASes announcing only one prefix: 12303 Transit ASes present in the Internet Routing Table: 3912 Transit-only ASes present in the Internet Routing Table: 95 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 590 Unregistered ASNs in the Routing Table: 226 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: 776 Number of addresses announced to Internet: 1916501174 Equivalent to 114 /8s, 59 /16s and 124 /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: 73.5 Total number of prefixes smaller than registry allocations: 136387
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 66189 Total APNIC prefixes after maximum aggregation: 22675 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 63203 Unique aggregates announced from the APNIC address blocks: 25921 APNIC Region origin ASes present in the Internet Routing Table: 3372 APNIC Prefixes per ASN: 18.74 APNIC Region origin ASes announcing only one prefix: 909 APNIC Region transit ASes present in the Internet Routing Table: 532 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 375551648 Equivalent to 22 /8s, 98 /16s and 118 /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: 127668 Total ARIN prefixes after maximum aggregation: 66155 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 95361 Unique aggregates announced from the ARIN address blocks: 35128 ARIN Region origin ASes present in the Internet Routing Table: 12444 ARIN Prefixes per ASN: 7.66 ARIN Region origin ASes announcing only one prefix: 4783 ARIN Region transit ASes present in the Internet Routing Table: 1237 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 362758273 Equivalent to 21 /8s, 159 /16s and 64 /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: 62771 Total RIPE prefixes after maximum aggregation: 35104 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 58348 Unique aggregates announced from the RIPE address blocks: 35430 RIPE Region origin ASes present in the Internet Routing Table: 11841 RIPE Prefixes per ASN: 4.93 RIPE Region origin ASes announcing only one prefix: 6202 RIPE Region transit ASes present in the Internet Routing Table: 1846 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 371395456 Equivalent to 22 /8s, 35 /16s and 11 /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: 24226 Total LACNIC prefixes after maximum aggregation: 5317 LACNIC Deaggregation factor: 4.56 Prefixes being announced from the LACNIC address blocks: 22456 Unique aggregates announced from the LACNIC address blocks: 10864 LACNIC Region origin ASes present in the Internet Routing Table: 995 LACNIC Prefixes per ASN: 22.57 LACNIC Region origin ASes announcing only one prefix: 322 LACNIC Region transit ASes present in the Internet Routing Table: 174 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 55079694 Equivalent to 3 /8s, 72 /16s and 115 /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: 4049 Total AfriNIC prefixes after maximum aggregation: 1249 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4374 Unique aggregates announced from the AfriNIC address blocks: 1966 AfriNIC Region origin ASes present in the Internet Routing Table: 256 AfriNIC Prefixes per ASN: 17.09 AfriNIC Region origin ASes announcing only one prefix: 87 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: 16 Number of AfriNIC addresses announced to Internet: 12670976 Equivalent to 0 /8s, 193 /16s and 88 /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 3332 3214 44 China Education and Research 4755 1728 578 92 Videsh Sanchar Nigam Ltd. Aut 4134 1721 13651 345 CHINANET-BACKBONE 17488 1372 93 99 Hathway IP Over Cable Interne 9583 1149 89 492 Sify Limited 4766 843 6407 358 Korea Telecom (KIX) 23577 824 33 729 Korea Telecom (ATM-MPLS) 18101 754 167 29 Reliance Infocom Ltd Internet 4808 750 1141 132 CNCGROUP IP network: China169 4780 718 353 61 Digital United Inc.
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 4330 3384 334 bellsouth.net, inc. 6298 1970 314 760 Cox Communicatons 1785 1653 710 156 AppliedTheory Corporation 20115 1600 1259 705 Charter Communications 7132 1533 9279 332 SBC Internet Services 3549 1511 540 216 Global Crossing 4323 1505 1071 374 Time Warner Telecom 7018 1488 9870 960 AT&T WorldNet Services 2386 1398 663 928 AT&T Data Communications Serv 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 3352 922 2044 43 Ibernet, Internet Access Netw 3320 838 7063 273 Deutsche Telekom AG 3269 611 3389 73 TELECOM ITALIA 3215 538 2756 106 France Telecom Transpac 3292 535 1776 374 TDC Tele Danmark 9121 393 1445 27 TTnet Autonomous System 3301 348 1444 300 TeliaNet Sweden 1257 341 1131 205 SWIPnet Swedish IP Network 5462 336 794 27 Telewest Broadband 8452 335 188 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 1658 2562 230 UniNet S.A. de C.V. 11830 665 299 9 Instituto Costarricense de El 22047 590 270 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 422 441 29 NET Servicos de Comunicao S.A 7738 412 666 26 Telecomunicacoes da Bahia S.A 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 512 65 35 LINKdotNET AS number 20858 403 34 3 EgyNet 3741 264 855 223 The Internet Solution 2018 232 214 138 Tertiary Education Network 6713 151 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 118 555 68 Telkom SA Ltd 33776 109 6 3 Starcomms Nigeria Limited 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 4330 3384 334 bellsouth.net, inc. 4538 3332 3214 44 China Education and Research 6298 1970 314 760 Cox Communicatons 4755 1728 578 92 Videsh Sanchar Nigam Ltd. Aut 7303 1728 239 67 Telecom Argentina Stet-France 4134 1721 13651 345 CHINANET-BACKBONE 8151 1658 2562 230 UniNet S.A. de C.V. 1785 1653 710 156 AppliedTheory Corporation 20115 1600 1259 705 Charter Communications 7132 1533 9279 332 SBC Internet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3332 3288 China Education and Research 7303 1728 1661 Telecom Argentina Stet-France 4755 1728 1636 Videsh Sanchar Nigam Ltd. Aut 1785 1653 1497 AppliedTheory Corporation 8151 1658 1428 UniNet S.A. de C.V. 4134 1721 1376 CHINANET-BACKBONE 3549 1511 1295 Global Crossing 17488 1372 1273 Hathway IP Over Cable Interne 6298 1970 1210 Cox Communicatons 7132 1533 1201 SBC Internet Services
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 24.227.0.0/19 7843 Adelphia Corp. 24.227.7.0/24 13499 Global Securities Information 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 63.140.213.0/24 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 /10:17 /11:46 /12:147 /13:298 /14:535 /15:1073 /16:10148 /17:4419 /18:7705 /19:27195 /20:19148 /21:18645 /22:23972 /23:24838 /24:143525 /25:793 /26:1018 /27:370 /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 4330 bellsouth.net, inc. 6298 1945 1970 Cox Communicatons 4538 1766 3332 China Education and Research 1803 1277 1299 SPRINT 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 1099 1511 Global Crossing 2386 1079 1398 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:139 12:2163 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1088 32:197 38:491 40:92 41:688 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:558 59:590 60:453 61:974 62:1298 63:1976 64:3394 65:2348 66:3478 67:1232 68:774 69:2302 70:843 71:169 72:2030 73:6 74:1136 75:171 76:285 77:794 78:797 79:318 80:951 81:831 82:588 83:374 84:581 85:971 86:397 87:722 88:337 89:1332 90:26 91:1455 92:258 93:861 94:118 96:64 97:68 98:323 99:7 114:97 115:44 116:1037 117:371 118:240 119:486 120:86 121:605 122:843 123:434 124:853 125:1245 128:224 129:204 130:133 131:408 132:70 133:9 134:178 135:34 136:223 137:92 138:141 139:101 140:505 141:97 142:407 143:299 144:362 145:51 146:382 147:157 148:516 149:294 150:127 151:181 152:148 153:143 154:10 155:283 156:175 157:298 158:162 159:300 160:274 161:138 162:255 163:155 164:516 165:502 166:383 167:331 168:629 169:142 170:458 171:33 172:10 173:33 188:1 189:633 190:2390 192:5809 193:4250 194:3355 195:2660 196:999 198:3741 199:3316 200:5955 201:1676 202:8198 203:8079 204:3944 205:2144 206:2435 207:2743 208:3682 209:3412 210:2986 211:1253 212:1438 213:1656 214:179 215:50 216:4337 217:1217 218:403 219:524 220:1066 221:427 222:443
End of report
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