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Routing Table Report 00:00 GMT Tue 10 Feb, 2009
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: 280021 Prefixes after maximum aggregation: 133062 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 136306 Total ASes present in the Internet Routing Table: 30526 Prefixes per ASN: 9.17 Origin-only ASes present in the Internet Routing Table: 26543 Origin ASes announcing only one prefix: 12915 Transit ASes present in the Internet Routing Table: 3983 Transit-only ASes present in the Internet Routing Table: 94 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 31 Max AS path prepend of ASN (15475) 29 Prefixes from unregistered ASNs in the Routing Table: 707 Unregistered ASNs in the Routing Table: 262 Number of 32-bit ASNs allocated by the RIRs: 97 Prefixes from 32-bit ASNs in the Routing Table: 15 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 219 Number of addresses announced to Internet: 1997352649 Equivalent to 119 /8s, 13 /16s and 46 /24s Percentage of available address space announced: 53.9 Percentage of allocated address space announced: 63.0 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 75.5 Total number of prefixes smaller than registry allocations: 137324
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 64061 Total APNIC prefixes after maximum aggregation: 22877 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 60848 Unique aggregates announced from the APNIC address blocks: 27375 APNIC Region origin ASes present in the Internet Routing Table: 3511 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 958 APNIC Region transit ASes present in the Internet Routing Table: 551 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 397479680 Equivalent to 23 /8s, 177 /16s and 15 /24s Percentage of available APNIC address space announced: 79.0
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, 110/8, 111/8, 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: 122220 Total ARIN prefixes after maximum aggregation: 65430 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 91139 Unique aggregates announced from the ARIN address blocks: 35485 ARIN Region origin ASes present in the Internet Routing Table: 12773 ARIN Prefixes per ASN: 7.14 ARIN Region origin ASes announcing only one prefix: 4904 ARIN Region transit ASes present in the Internet Routing Table: 1239 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 414419969 Equivalent to 24 /8s, 179 /16s and 140 /24s Percentage of available ARIN address space announced: 79.7
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, 108/8, 173/8, 174/8, 184/8, 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: 63763 Total RIPE prefixes after maximum aggregation: 37264 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 58905 Unique aggregates announced from the RIPE address blocks: 38554 RIPE Region origin ASes present in the Internet Routing Table: 12636 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 6635 RIPE Region transit ASes present in the Internet Routing Table: 1911 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 388365280 Equivalent to 23 /8s, 37 /16s and 251 /24s Percentage of available RIPE address space announced: 82.7
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, 109/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 25021 Total LACNIC prefixes after maximum aggregation: 5702 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 23190 Unique aggregates announced from the LACNIC address blocks: 11843 LACNIC Region origin ASes present in the Internet Routing Table: 1064 LACNIC Prefixes per ASN: 21.80 LACNIC Region origin ASes announcing only one prefix: 338 LACNIC Region transit ASes present in the Internet Routing Table: 176 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 60622490 Equivalent to 3 /8s, 157 /16s and 6 /24s Percentage of available LACNIC address space announced: 60.2
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: 4434 Total AfriNIC prefixes after maximum aggregation: 1377 AfriNIC Deaggregation factor: 3.22 Prefixes being announced from the AfriNIC address blocks: 3984 Unique aggregates announced from the AfriNIC address blocks: 1394 AfriNIC Region origin ASes present in the Internet Routing Table: 279 AfriNIC Prefixes per ASN: 14.28 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC addresses announced to Internet: 9960576 Equivalent to 0 /8s, 151 /16s and 252 /24s Percentage of available AfriNIC address space announced: 29.7
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 17488 1522 110 97 Hathway IP Over Cable Interne 4766 1480 6412 377 Korea Telecom (KIX) 4755 1159 402 180 Videsh Sanchar Nigam Ltd. Aut 9583 1064 107 365 Sify Limited 4134 884 16247 367 CHINANET-BACKBONE 18101 751 198 25 Reliance Infocom Ltd Internet 7545 718 158 96 TPG Internet Pty Ltd 9498 680 297 53 BHARTI BT INTERNET LTD. 24560 668 228 174 Bharti Airtel Ltd. 9829 639 491 19 BSNL National Internet Backbo
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 4372 3417 340 bellsouth.net, inc. 1785 1814 733 139 AppliedTheory Corporation 4323 1646 1081 377 Time Warner Telecom 20115 1593 1423 726 Charter Communications 7018 1444 9981 994 AT&T WorldNet Services 2386 1251 699 903 AT&T Data Communications Serv 6478 1227 292 504 AT&T Worldnet Services 11492 1223 192 12 Cable One 3356 1141 10976 437 Level 3 Communications, LLC 18566 1061 296 10 Covad 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 8452 1041 188 7 TEDATA 3292 449 1761 387 TDC Tele Danmark 35228 449 144 5 Avatar Broadband Limited 30890 439 88 201 Evolva Telecom 12479 397 578 6 Uni2 Autonomous System 3320 339 7064 289 Deutsche Telekom AG 3301 338 1669 304 TeliaNet Sweden 3215 336 2946 103 France Telecom Transpac 8866 336 109 22 Bulgarian Telecommunication C 29049 331 26 3 AzerSat LLC.
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 1807 253 82 Telecom Argentina Stet-France 8151 1430 2834 232 Uninet S.A. de C.V. 10620 740 161 95 TVCABLE BOGOTA 11830 689 299 9 Instituto Costarricense de El 22047 619 302 14 Types of queries are: POCs, o 6471 439 95 42 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 7738 410 794 28 Telecomunicacoes da Bahia S.A 11172 404 118 73 Alestra 28573 383 506 23 Types of queries are: POCs, o
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 630 74 41 LINKdotNET AS number 20858 276 34 3 EgyNet 3741 269 857 227 The Internet Solution 2018 242 215 142 TENET-1 33783 150 10 8 EEPAD TISP TELECOM & INTERNET 6713 144 135 11 Itissalat Al-MAGHRIB 5536 120 8 17 Internet Egypt Network 33776 118 6 3 Starcomms Nigeria Limited 5713 117 555 66 Telkom SA Ltd 24835 103 46 9 RAYA Telecom - Egypt
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 4372 3417 340 bellsouth.net, inc. 1785 1814 733 139 AppliedTheory Corporation 7303 1807 253 82 Telecom Argentina Stet-France 4323 1646 1081 377 Time Warner Telecom 20115 1593 1423 726 Charter Communications 17488 1522 110 97 Hathway IP Over Cable Interne 4766 1480 6412 377 Korea Telecom (KIX) 7018 1444 9981 994 AT&T WorldNet Services 8151 1430 2834 232 Uninet S.A. de C.V. 2386 1251 699 903 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 7303 1807 1725 Telecom Argentina Stet-France 1785 1814 1675 AppliedTheory Corporation 17488 1522 1425 Hathway IP Over Cable Interne 4323 1646 1269 Time Warner Telecom 11492 1223 1211 Cable One 8151 1430 1198 Uninet S.A. de C.V. 4766 1480 1103 Korea Telecom (KIX) 18566 1061 1051 Covad Communications 8452 1041 1034 TEDATA 4755 1159 979 Videsh Sanchar Nigam Ltd. Aut
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 10.29.248.65/32 286 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. 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.220.16.0/20 8668 TelOne Zimbabwe P/L 41.223.112.0/22 5713 Telkom SA Ltd 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.12.96.0/19 15834 MenaNet network Autonomous Sy 62.12.107.0/24 15834 MenaNet network Autonomous Sy
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 /9:10 /10:20 /11:55 /12:164 /13:317 /14:574 /15:1132 /16:10363 /17:4586 /18:7814 /19:16718 /20:19683 /21:19337 /22:25196 /23:25183 /24:147599 /25:279 /26:393 /27:209 /28:83 /29:130 /30:65 /31:0 /32:91
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2852 4372 bellsouth.net, inc. 7303 1337 1807 Telecom Argentina Stet-France 17488 1303 1522 Hathway IP Over Cable Interne 1785 1226 1814 AppliedTheory Corporation 4766 1212 1480 Korea Telecom (KIX) 11492 1187 1223 Cable One 18566 1042 1061 Covad Communications 8452 1010 1041 TEDATA 2386 943 1251 AT&T Data Communications Serv 9583 914 1064 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:13 8:180 12:2209 13:2 15:21 16:3 17:5 20:35 24:1132 32:132 38:544 40:96 41:1722 43:1 44:2 47:11 52:3 55:2 56:3 57:37 58:466 59:604 60:459 61:1103 62:1190 63:1940 64:3416 65:2427 66:3568 67:1476 68:654 69:2449 70:527 71:159 72:1624 73:2 74:1413 75:204 76:297 77:787 78:548 79:320 80:970 81:824 82:567 83:401 84:597 85:1021 86:399 87:647 88:353 89:1384 90:43 91:1943 92:274 93:1140 94:1024 95:340 96:95 97:178 98:193 99:16 110:1 111:1 112:19 113:76 114:169 115:201 116:1149 117:482 118:258 119:591 120:137 121:715 122:932 123:519 124:814 125:1274 128:224 129:222 130:134 131:411 132:73 133:9 134:343 135:35 136:225 137:141 138:145 139:87 140:427 141:105 142:377 143:318 144:319 145:38 146:373 147:146 148:520 149:312 150:140 151:201 152:150 153:139 154:10 155:258 156:171 157:295 158:157 159:240 160:283 161:138 162:274 163:143 164:515 165:504 166:274 167:351 168:673 169:161 170:498 171:40 172:10 173:204 174:58 186:7 187:67 189:389 190:2851 192:5819 193:4291 194:3432 195:2764 196:1055 198:3698 199:3296 200:5833 201:1617 202:7940 203:7940 204:3919 205:2157 206:2365 207:2761 208:3837 209:3460 210:2630 211:1159 212:1523 213:1734 214:68 215:30 216:4573 217:1220 218:383 219:406 220:1210 221:456 222:305
End of report
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