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Routing Table Report 00:00 GMT Fri 15 Aug, 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: 273061 Prefixes after maximum aggregation: 130961 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 129123 Total ASes present in the Internet Routing Table: 28969 Prefixes per ASN: 9.43 Origin-only ASes present in the Internet Routing Table: 25168 Origin ASes announcing only one prefix: 12199 Transit ASes present in the Internet Routing Table: 3801 Transit-only ASes present in the Internet Routing Table: 88 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 26 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 594 Unregistered ASNs in the Routing Table: 224 Number of 32-bit ASNs allocated by the RIRs: 58 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 819 Number of addresses announced to Internet: 1909921468 Equivalent to 113 /8s, 215 /16s and 22 /24s Percentage of available address space announced: 51.5 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.2 Total number of prefixes smaller than registry allocations: 135143
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 64073 Total APNIC prefixes after maximum aggregation: 22617 APNIC Deaggregation factor: 2.83 Prefixes being announced from the APNIC address blocks: 61158 Unique aggregates announced from the APNIC address blocks: 25910 APNIC Region origin ASes present in the Internet Routing Table: 3331 APNIC Prefixes per ASN: 18.36 APNIC Region origin ASes announcing only one prefix: 886 APNIC Region transit ASes present in the Internet Routing Table: 531 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 371499424 Equivalent to 22 /8s, 36 /16s and 161 /24s Percentage of available APNIC address space announced: 79.1
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: 122930 Total ARIN prefixes after maximum aggregation: 66483 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 91321 Unique aggregates announced from the ARIN address blocks: 34836 ARIN Region origin ASes present in the Internet Routing Table: 12367 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4758 ARIN Region transit ASes present in the Internet Routing Table: 1205 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 362042369 Equivalent to 21 /8s, 148 /16s and 84 /24s Percentage of available ARIN address space announced: 74.4
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: 58065 Total RIPE prefixes after maximum aggregation: 34857 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 53440 Unique aggregates announced from the RIPE address blocks: 35104 RIPE Region origin ASes present in the Internet Routing Table: 11734 RIPE Prefixes per ASN: 4.55 RIPE Region origin ASes announcing only one prefix: 6158 RIPE Region transit ASes present in the Internet Routing Table: 1798 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 369067264 Equivalent to 21 /8s, 255 /16s and 133 /24s Percentage of available RIPE address space announced: 84.6
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: 23355 Total LACNIC prefixes after maximum aggregation: 5288 LACNIC Deaggregation factor: 4.42 Prefixes being announced from the LACNIC address blocks: 21609 Unique aggregates announced from the LACNIC address blocks: 10755 LACNIC Region origin ASes present in the Internet Routing Table: 981 LACNIC Prefixes per ASN: 22.03 LACNIC Region origin ASes announcing only one prefix: 315 LACNIC Region transit ASes present in the Internet Routing Table: 165 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 54421268 Equivalent to 3 /8s, 62 /16s and 103 /24s Percentage of available LACNIC address space announced: 54.1
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: 4044 Total AfriNIC prefixes after maximum aggregation: 1233 AfriNIC Deaggregation factor: 3.28 Prefixes being announced from the AfriNIC address blocks: 4386 Unique aggregates announced from the AfriNIC address blocks: 1873 AfriNIC Region origin ASes present in the Internet Routing Table: 253 AfriNIC Prefixes per ASN: 17.34 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 48 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12743424 Equivalent to 0 /8s, 194 /16s and 115 /24s Percentage of available AfriNIC address space announced: 38.0
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 3293 3134 41 China Education and Research 4755 1701 579 93 Videsh Sanchar Nigam Ltd. Aut 17488 1300 89 99 Hathway IP Over Cable Interne 9583 1177 92 494 Sify Limited 4134 849 13523 339 CHINANET-BACKBONE 4766 829 6390 352 Korea Telecom (KIX) 23577 825 33 730 Korea Telecom (ATM-MPLS) 4780 720 353 61 Digital United Inc. 18101 691 167 32 Reliance Infocom Ltd Internet 9498 674 291 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 3157 3328 201 bellsouth.net, inc. 6298 2003 307 734 Cox Communicatons 2386 1560 691 898 AT&T Data Communications Serv 4323 1488 1076 378 Time Warner Telecom 1785 1454 478 100 AppliedTheory Corporation 3549 1445 539 210 Global Crossing 7018 1410 9917 983 AT&T WorldNet Services 1803 1259 7 997 SPRINT 11492 1214 151 22 Cable One 20115 1113 1080 573 Charter Communications
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 418 1776 373 TDC Tele Danmark 3215 395 2756 106 France Telecom Transpac 8452 357 188 11 TEDATA 3301 333 1460 304 TeliaNet Sweden 3320 323 7047 271 Deutsche Telekom AG 8866 316 77 21 Bulgarian Telecommunication C 5462 307 666 27 Telewest Broadband 8551 289 270 39 Bezeq International 1257 278 1131 203 SWIPnet Swedish IP Network 680 274 2047 264 DFN-IP service G-WiN
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 1700 236 65 Telecom Argentina Stet-France 8151 1518 2593 222 UniNet S.A. de C.V. 8167 669 593 43 TELESC - Telecomunicacoes de 11830 664 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 417 85 48 ENTEL CHILE S.A. 11172 408 118 70 Servicios Alestra S.A de C.V 16735 408 92 12 Companhia de Telecomunicacoes 10620 371 99 90 TVCABLE BOGOTA
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 496 64 28 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 211 213 130 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 136 10 13 EEPAD TISP TELECOM & INTERNET 5713 129 540 74 Telkom SA Ltd 5536 120 8 17 Internet Egypt Network 33776 119 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 4538 3293 3134 41 China Education and Research 6389 3157 3328 201 bellsouth.net, inc. 6298 2003 307 734 Cox Communicatons 4755 1701 579 93 Videsh Sanchar Nigam Ltd. Aut 7303 1700 236 65 Telecom Argentina Stet-France 2386 1560 691 898 AT&T Data Communications Serv 8151 1518 2593 222 UniNet S.A. de C.V. 4323 1488 1076 378 Time Warner Telecom 1785 1454 478 100 AppliedTheory Corporation 3549 1445 539 210 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6389 3157 2956 bellsouth.net, inc. 7303 1700 1635 Telecom Argentina Stet-France 4755 1701 1608 Videsh Sanchar Nigam Ltd. Aut 1785 1454 1354 AppliedTheory Corporation 8151 1518 1296 UniNet S.A. de C.V. 6298 2003 1269 Cox Communicatons 3549 1445 1235 Global Crossing 17488 1300 1201 Hathway IP Over Cable Interne 11492 1214 1192 Cable One 4323 1488 1110 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 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 27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 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 24.51.159.0/24 7843 Adelphia Corp. 24.53.86.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.55.0.0/18 20001 HoldCo 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
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 /14:534 /15:1064 /16:10120 /17:4398 /18:7613 /19:16015 /20:19029 /21:18392 /22:23764 /23:24570 /24:142629 /25:873 /26:1125 /27:386 /28:732 /29:839 /30:217 /31:0 /32:225
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1995 3157 bellsouth.net, inc. 6298 1977 2003 Cox Communicatons 4538 1758 3293 China Education and Research 2386 1239 1560 AT&T Data Communications Serv 1803 1237 1259 SPRINT 7303 1203 1700 Telecom Argentina Stet-France 11492 1195 1214 Cable One 17488 1107 1300 Hathway IP Over Cable Interne 3549 1084 1445 Global Crossing 1785 1069 1454 AppliedTheory Corporation
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:134 12:2115 13:2 14:2 15:22 16:3 17:5 18:13 20:37 24:1083 32:197 38:481 40:92 41:698 43:1 44:2 47:12 50:1 52:3 55:3 56:3 57:48 58:558 59:582 60:457 61:996 62:1234 63:1959 64:3393 65:2359 66:3448 67:1222 68:768 69:2284 70:861 71:134 72:2035 73:7 74:1100 75:165 76:320 77:750 78:817 79:223 80:978 81:872 82:625 83:386 84:575 85:978 86:399 87:717 88:339 89:1312 90:39 91:1425 92:241 93:800 94:101 96:54 97:49 98:308 99:3 114:85 115:39 116:960 117:346 118:198 119:415 120:76 121:605 122:822 123:379 124:893 125:1230 128:355 129:204 130:135 131:409 132:70 133:9 134:187 135:33 136:223 137:94 138:145 139:96 140:502 141:103 142:407 143:340 144:401 145:51 146:384 147:156 148:518 149:202 150:129 151:184 152:147 153:143 154:10 155:278 156:173 157:289 158:166 159:294 160:272 161:119 162:264 163:155 164:518 165:461 166:379 167:333 168:626 169:138 170:451 171:33 172:10 188:1 189:512 190:2345 192:5814 193:4220 194:3281 195:2607 196:1018 198:3740 199:3314 200:5971 201:1692 202:8225 203:8101 204:3966 205:2155 206:2447 207:2763 208:3634 209:3397 210:2972 211:1240 212:1444 213:1625 214:179 215:50 216:4345 217:1211 218:404 219:515 220:1064 221:457 222:438
End of report
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