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Routing Table Report 04:00 +10GMT Fri 04 Sep, 2009
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 294492 Prefixes after maximum aggregation: 139440 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 147037 Total ASes present in the Internet Routing Table: 32131 Prefixes per ASN: 9.17 Origin-only ASes present in the Internet Routing Table: 27931 Origin ASes announcing only one prefix: 13648 Transit ASes present in the Internet Routing Table: 4200 Transit-only ASes present in the Internet Routing Table: 102 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 405 Unregistered ASNs in the Routing Table: 114 Number of 32-bit ASNs allocated by the RIRs: 260 Prefixes from 32-bit ASNs in the Routing Table: 103 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 312 Number of addresses announced to Internet: 2102594240 Equivalent to 125 /8s, 83 /16s and 10 /24s Percentage of available address space announced: 56.7 Percentage of allocated address space announced: 65.0 Percentage of available address space allocated: 87.3 Percentage of address space in use by end-sites: 78.8 Total number of prefixes smaller than registry allocations: 140768
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 70159 Total APNIC prefixes after maximum aggregation: 24989 APNIC Deaggregation factor: 2.81 Prefixes being announced from the APNIC address blocks: 69597 Unique aggregates announced from the APNIC address blocks: 31701 APNIC Region origin ASes present in the Internet Routing Table: 3775 APNIC Prefixes per ASN: 18.44 APNIC Region origin ASes announcing only one prefix: 1033 APNIC Region transit ASes present in the Internet Routing Table: 582 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 493058752 Equivalent to 29 /8s, 99 /16s and 122 /24s Percentage of available APNIC address space announced: 84.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 43/8, 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, 175/8, 180/8, 182/8, 183/8, 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: 124838 Total ARIN prefixes after maximum aggregation: 66516 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 125425 Unique aggregates announced from the ARIN address blocks: 52698 ARIN Region origin ASes present in the Internet Routing Table: 13212 ARIN Prefixes per ASN: 9.49 ARIN Region origin ASes announcing only one prefix: 5103 ARIN Region transit ASes present in the Internet Routing Table: 1300 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 1013677632 Equivalent to 60 /8s, 107 /16s and 126 /24s Percentage of available ARIN address space announced: 88.9
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 53248-55295 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8, 56/8, 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, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 67728 Total RIPE prefixes after maximum aggregation: 39911 RIPE Deaggregation factor: 1.70 Prefixes being announced from the RIPE address blocks: 67336 Unique aggregates announced from the RIPE address blocks: 45614 RIPE Region origin ASes present in the Internet Routing Table: 13462 RIPE Prefixes per ASN: 5.00 RIPE Region origin ASes announcing only one prefix: 7043 RIPE Region transit ASes present in the Internet Routing Table: 2012 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 500453312 Equivalent to 29 /8s, 212 /16s and 79 /24s Percentage of available RIPE address space announced: 99.4
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, 47104-52223 RIPE Address Blocks 25/8, 51/8, 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: 25306 Total LACNIC prefixes after maximum aggregation: 6214 LACNIC Deaggregation factor: 4.07 Prefixes being announced from the LACNIC address blocks: 25296 Unique aggregates announced from the LACNIC address blocks: 14128 LACNIC Region origin ASes present in the Internet Routing Table: 1172 LACNIC Prefixes per ASN: 21.58 LACNIC Region origin ASes announcing only one prefix: 379 LACNIC Region transit ASes present in the Internet Routing Table: 191 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 73796864 Equivalent to 4 /8s, 102 /16s and 13 /24s Percentage of available LACNIC address space announced: 73.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 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: 6121 Total AfriNIC prefixes after maximum aggregation: 1564 AfriNIC Deaggregation factor: 3.91 Prefixes being announced from the AfriNIC address blocks: 6526 Unique aggregates announced from the AfriNIC address blocks: 2636 AfriNIC Region origin ASes present in the Internet Routing Table: 314 AfriNIC Prefixes per ASN: 20.78 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 67 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 20190464 Equivalent to 1 /8s, 52 /16s and 21 /24s Percentage of available AfriNIC address space announced: 60.2
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 4766 1723 6982 427 Korea Telecom (KIX) 17488 1553 140 103 Hathway IP Over Cable Interne 4755 1230 292 141 TATA Communications formerly 9583 1094 87 533 Sify Limited 4134 1001 18165 390 CHINANET-BACKBONE 18101 952 201 31 Reliance Infocom Ltd Internet 7545 821 198 102 TPG Internet Pty Ltd 9829 810 625 18 BSNL National Internet Backbo 23577 773 33 657 Korea Telecom (ATM-MPLS) 4808 767 1531 182 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4180 3610 313 bellsouth.net, inc. 4323 1920 1049 387 Time Warner Telecom 1785 1735 714 138 PaeTec Communications, Inc. 7018 1497 5908 1061 AT&T WorldNet Services 20115 1473 1475 683 Charter Communications 6478 1395 281 259 AT&T Worldnet Services 2386 1291 655 938 AT&T Data Communications Serv 3356 1220 10980 441 Level 3 Communications, LLC 11492 1118 208 12 Cable One 22773 1096 2604 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 30890 487 92 197 Evolva Telecom 12479 477 578 6 Uni2 Autonomous System 3292 461 1905 396 TDC Tele Danmark 702 426 1821 344 UUNET - Commercial IP service 35805 385 40 5 United Telecom of Georgia 9198 368 138 12 Kazakhtelecom Data Network Ad 8866 357 109 22 Bulgarian Telecommunication C 3320 353 7067 303 Deutsche Telekom AG 3301 347 1412 308 TeliaNet Sweden 3215 344 3081 109 France Telecom Transpac
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1476 2898 241 UniNet S.A. de C.V. 10620 1008 226 99 TVCABLE BOGOTA 28573 697 607 61 NET Servicos de Comunicao S.A 7303 634 335 94 Telecom Argentina Stet-France 22047 542 302 14 VTR PUNTO NET S.A. 11830 476 310 58 Instituto Costarricense de El 11172 441 99 70 Servicios Alestra S.A de C.V 14117 435 29 11 Telefonica del Sur S.A. 6471 421 96 31 ENTEL CHILE S.A. 7738 419 858 29 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 993 188 7 TEDATA 24863 938 95 54 LINKdotNET AS number 20858 296 34 6 EgyNet 3741 274 856 235 The Internet Solution 2018 202 180 142 Tertiary Education Network 6713 175 166 16 Itissalat Al-MAGHRIB 29571 139 14 6 Ci Telecom Autonomous system 24835 131 46 9 RAYA Telecom - Egypt 5536 122 8 13 Internet Egypt Network 33776 121 7 11 Starcomms Nigeria Limited
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4180 3610 313 bellsouth.net, inc. 4323 1920 1049 387 Time Warner Telecom 1785 1735 714 138 PaeTec Communications, Inc. 4766 1723 6982 427 Korea Telecom (KIX) 17488 1553 140 103 Hathway IP Over Cable Interne 7018 1497 5908 1061 AT&T WorldNet Services 8151 1476 2898 241 UniNet S.A. de C.V. 20115 1473 1475 683 Charter Communications 6478 1395 281 259 AT&T Worldnet Services 2386 1291 655 938 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 1785 1735 1597 PaeTec Communications, Inc. 4323 1920 1533 Time Warner Telecom 17488 1553 1450 Hathway IP Over Cable Interne 4766 1723 1296 Korea Telecom (KIX) 8151 1476 1235 UniNet S.A. de C.V. 6478 1395 1136 AT&T Worldnet Services 11492 1118 1106 Cable One 4755 1230 1089 TATA Communications formerly 18566 1062 1052 Covad Communications 22773 1096 1030 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/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/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.176.0/22 36981 >>UNKNOWN<< 41.223.189.0/24 26452 Local Communications Networks 43.245.0.0/16 7502 Internetwork Kyoto 43.245.96.0/20 7502 Internetwork Kyoto 43.245.112.0/20 7502 Internetwork Kyoto 43.245.192.0/20 7502 Internetwork Kyoto 43.245.208.0/20 7502 Internetwork Kyoto 43.245.224.0/20 7502 Internetwork Kyoto 62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.apnic.net/current/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 /9:10 /10:25 /11:62 /12:168 /13:351 /14:624 /15:1183 /16:10650 /17:4826 /18:8366 /19:17358 /20:20732 /21:20576 /22:26625 /23:26434 /24:153695 /25:946 /26:1078 /27:587 /28:153 /29:8 /30:7 /31:1 /32:8
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2709 4180 bellsouth.net, inc. 4766 1408 1723 Korea Telecom (KIX) 17488 1299 1553 Hathway IP Over Cable Interne 1785 1205 1735 PaeTec Communications, Inc. 11492 1045 1118 Cable One 18566 1043 1062 Covad Communications 4323 966 1920 Time Warner Telecom 9583 946 1094 Sify Limited 8452 915 993 TEDATA 10620 914 1008 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:14 8:215 12:2137 13:7 15:21 16:3 17:5 20:35 24:1126 32:52 34:2 38:598 40:97 41:1738 43:1 44:2 47:20 52:6 55:2 56:2 57:25 58:597 59:609 60:461 61:959 62:1086 63:2014 64:3623 65:2396 66:3439 67:1758 68:945 69:2763 70:558 71:162 72:1680 73:2 74:1755 75:179 76:322 77:859 78:582 79:375 80:912 81:819 82:535 83:422 84:639 85:1044 86:376 87:660 88:369 89:1473 90:52 91:2512 92:398 93:1135 94:1150 95:911 96:166 97:268 98:270 99:30 109:1 110:188 111:398 112:128 113:153 114:243 115:306 116:1135 117:564 118:321 119:774 120:122 121:652 122:1243 123:760 124:1065 125:1357 128:223 129:219 130:129 131:421 132:75 133:9 134:174 135:42 136:225 137:161 138:170 139:84 140:443 141:125 142:385 143:337 144:387 145:49 146:390 147:157 148:531 149:214 150:207 151:186 152:210 153:153 154:2 155:279 156:168 157:305 158:112 159:349 160:291 161:164 162:270 163:164 164:276 165:526 166:474 167:367 168:707 169:167 170:479 171:42 172:2 173:406 174:330 175:1 178:1 180:17 182:1 186:141 187:150 188:761 189:583 190:3018 192:5774 193:4263 194:3282 195:2739 196:1130 198:3550 199:3359 200:5175 201:1305 202:7792 203:8274 204:3890 205:2196 206:2388 207:2735 208:3949 209:3408 210:2542 211:1106 212:1604 213:1652 214:180 215:32 216:4275 217:1333 218:410 219:413 220:1109 221:462 222:326
End of report
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