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Routing Table Report 00:00 GMT Tue 11 Nov, 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: 278737 Prefixes after maximum aggregation: 133001 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 133187 Total ASes present in the Internet Routing Table: 29812 Prefixes per ASN: 9.35 Origin-only ASes present in the Internet Routing Table: 25860 Origin ASes announcing only one prefix: 12627 Transit ASes present in the Internet Routing Table: 3952 Transit-only ASes present in the Internet Routing Table: 89 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 31 Max AS path prepend of ASN (16327) 25 Prefixes from unregistered ASNs in the Routing Table: 550 Unregistered ASNs in the Routing Table: 208 Number of 32-bit ASNs allocated by the RIRs: 62 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 197 Number of addresses announced to Internet: 1922316924 Equivalent to 114 /8s, 148 /16s and 58 /24s Percentage of available address space announced: 51.9 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 82.8 Percentage of address space in use by end-sites: 74.2 Total number of prefixes smaller than registry allocations: 138013
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 65618 Total APNIC prefixes after maximum aggregation: 23285 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 62559 Unique aggregates announced from the APNIC address blocks: 26545 APNIC Region origin ASes present in the Internet Routing Table: 3450 APNIC Prefixes per ASN: 18.13 APNIC Region origin ASes announcing only one prefix: 936 APNIC Region transit ASes present in the Internet Routing Table: 546 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 380702240 Equivalent to 22 /8s, 177 /16s and 14 /24s Percentage of available APNIC address space announced: 81.0
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: 124025 Total ARIN prefixes after maximum aggregation: 66298 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 92548 Unique aggregates announced from the ARIN address blocks: 35684 ARIN Region origin ASes present in the Internet Routing Table: 12605 ARIN Prefixes per ASN: 7.34 ARIN Region origin ASes announcing only one prefix: 4866 ARIN Region transit ASes present in the Internet Routing Table: 1227 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 369649409 Equivalent to 22 /8s, 8 /16s and 103 /24s Percentage of available ARIN address space announced: 76.0
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: 60407 Total RIPE prefixes after maximum aggregation: 36085 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 56558 Unique aggregates announced from the RIPE address blocks: 37081 RIPE Region origin ASes present in the Internet Routing Table: 12187 RIPE Prefixes per ASN: 4.64 RIPE Region origin ASes announcing only one prefix: 6417 RIPE Region transit ASes present in the Internet Routing Table: 1895 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 377959367 Equivalent to 22 /8s, 135 /16s and 51 /24s Percentage of available RIPE address space announced: 86.6
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, 47104-49151 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: 23985 Total LACNIC prefixes after maximum aggregation: 5572 LACNIC Deaggregation factor: 4.30 Prefixes being announced from the LACNIC address blocks: 21991 Unique aggregates announced from the LACNIC address blocks: 11350 LACNIC Region origin ASes present in the Internet Routing Table: 1030 LACNIC Prefixes per ASN: 21.35 LACNIC Region origin ASes announcing only one prefix: 328 LACNIC Region transit ASes present in the Internet Routing Table: 166 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 58119438 Equivalent to 3 /8s, 118 /16s and 213 /24s Percentage of available LACNIC address space announced: 57.7
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: 4159 Total AfriNIC prefixes after maximum aggregation: 1330 AfriNIC Deaggregation factor: 3.13 Prefixes being announced from the AfriNIC address blocks: 4410 Unique aggregates announced from the AfriNIC address blocks: 2174 AfriNIC Region origin ASes present in the Internet Routing Table: 265 AfriNIC Prefixes per ASN: 16.64 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: 4.4 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12934528 Equivalent to 0 /8s, 197 /16s and 93 /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 4538 3319 3245 44 China Education and Research 17488 1408 99 107 Hathway IP Over Cable Interne 4755 1304 572 108 Videsh Sanchar Nigam Ltd. Aut 9583 1116 87 477 Sify Limited 4134 890 13776 360 CHINANET-BACKBONE 4766 855 6408 366 Korea Telecom (KIX) 18101 784 161 68 Reliance Infocom Ltd Internet 23577 776 34 694 Korea Telecom (ATM-MPLS) 4780 732 357 63 Digital United Inc. 9498 690 295 51 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 4360 3433 343 bellsouth.net, inc. 6298 2087 327 689 Cox Communicatons 1785 1695 717 154 AppliedTheory Corporation 20115 1659 1452 724 Charter Communications 6478 1653 364 191 AT&T Worldnet Services 2386 1586 686 908 AT&T Data Communications Serv 4323 1577 1082 376 Time Warner Telecom 7018 1408 9941 969 AT&T WorldNet Services 1803 1392 9 1093 SPRINT 11492 1210 149 16 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 435 1766 381 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 8866 338 111 23 Bulgarian Telecommunication C 3301 332 1429 303 TeliaNet Sweden 3215 331 2788 99 France Telecom Transpac 3320 325 7063 272 Deutsche Telekom AG 5462 324 794 27 Telewest Broadband 8452 295 188 11 TEDATA 25233 289 44 24 Awalnet 8551 287 270 37 Bezeq International
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 1738 243 69 Telecom Argentina Stet-France 8151 1395 2848 220 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 22047 566 270 14 VTR PUNTO NET S.A. 10620 546 126 60 TVCABLE BOGOTA 16735 427 92 10 Companhia de Telecomunicacoes 16814 426 27 10 NSS, S.A. 6471 420 85 49 ENTEL CHILE S.A. 11172 406 118 72 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 562 73 45 LINKdotNET AS number 3741 270 857 227 The Internet Solution 20858 260 34 3 EgyNet 2018 238 215 140 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 141 10 15 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 114 555 63 Telkom SA Ltd 29571 114 13 9 Ci Telecom Autonomous system 33776 109 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 4360 3433 343 bellsouth.net, inc. 4538 3319 3245 44 China Education and Research 6298 2087 327 689 Cox Communicatons 7303 1738 243 69 Telecom Argentina Stet-France 1785 1695 717 154 AppliedTheory Corporation 20115 1659 1452 724 Charter Communications 6478 1653 364 191 AT&T Worldnet Services 2386 1586 686 908 AT&T Data Communications Serv 4323 1577 1082 376 Time Warner Telecom 7018 1408 9941 969 AT&T WorldNet 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 3319 3275 China Education and Research 7303 1738 1669 Telecom Argentina Stet-France 1785 1695 1541 AppliedTheory Corporation 6478 1653 1462 AT&T Worldnet Services 6298 2087 1398 Cox Communicatons 17488 1408 1301 Hathway IP Over Cable Interne 4323 1577 1201 Time Warner Telecom 4755 1304 1196 Videsh Sanchar Nigam Ltd. Aut 11492 1210 1194 Cable One 8151 1395 1175 UniNet S.A. de C.V.
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 /8:18 /9:9 /10:18 /11:47 /12:153 /13:306 /14:545 /15:1082 /16:10234 /17:4475 /18:7706 /19:16484 /20:19726 /21:19167 /22:24728 /23:25384 /24:145234 /25:652 /26:737 /27:385 /28:804 /29:401 /30:193 /31:0 /32:249
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2851 4360 bellsouth.net, inc. 6298 2061 2087 Cox Communicatons 4538 1799 3319 China Education and Research 1803 1369 1392 SPRINT 7303 1270 1738 Telecom Argentina Stet-France 2386 1267 1586 AT&T Data Communications Serv 17488 1197 1408 Hathway IP Over Cable Interne 11492 1187 1210 Cable One 1785 1157 1695 AppliedTheory Corporation 6478 1105 1653 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1 4:12 8:157 12:2195 13:2 15:21 16:3 17:5 20:35 24:1102 30:1 32:134 38:519 40:92 41:756 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:556 59:605 60:451 61:1063 62:1198 63:1938 64:3302 65:2412 66:3536 67:1309 68:812 69:2337 70:881 71:138 72:2088 73:7 74:1278 75:168 76:291 77:884 78:522 79:288 80:932 81:846 82:637 83:399 84:594 85:1044 86:509 87:716 88:349 89:1350 90:25 91:1672 92:292 93:976 94:349 95:4 96:85 97:130 98:385 99:15 113:40 114:122 115:145 116:1054 117:405 118:249 119:514 120:102 121:637 122:866 123:459 124:867 125:1276 128:353 129:217 130:136 131:408 132:72 133:9 134:186 135:31 136:212 137:102 138:145 139:90 140:428 141:111 142:391 143:304 144:303 145:51 146:372 147:140 148:602 149:299 150:130 151:208 152:150 153:143 154:10 155:274 156:174 157:303 158:168 159:300 160:273 161:140 162:246 163:136 164:517 165:509 166:363 167:341 168:632 169:155 170:481 171:40 172:10 173:131 174:1 187:18 188:1 189:350 190:2599 192:5841 193:4269 194:3396 195:2705 196:1020 198:3716 199:3311 200:5861 201:1630 202:8093 203:8036 204:3908 205:2183 206:2305 207:2734 208:3734 209:3416 210:3004 211:1293 212:1559 213:1679 214:68 215:25 216:4382 217:1254 218:414 219:511 220:1064 221:416 222:426
End of report
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