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Routing Table Report 00:00 GMT Thu 28 May, 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: 290874 Prefixes after maximum aggregation: 136451 Deaggregation factor: 2.13 Unique aggregates announced to Internet: 142091 Total ASes present in the Internet Routing Table: 31357 Prefixes per ASN: 9.28 Origin-only ASes present in the Internet Routing Table: 27227 Origin ASes announcing only one prefix: 13308 Transit ASes present in the Internet Routing Table: 4130 Transit-only ASes present in the Internet Routing Table: 98 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 24 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 572 Unregistered ASNs in the Routing Table: 174 Number of 32-bit ASNs allocated by the RIRs: 163 Prefixes from 32-bit ASNs in the Routing Table: 39 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 878 Number of addresses announced to Internet: 2558337767 Equivalent to 152 /8s, 125 /16s and 34 /24s Percentage of available address space announced: 69.0 Percentage of allocated address space announced: 79.9 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 77.1 Total number of prefixes smaller than registry allocations: 143864
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 67042 Total APNIC prefixes after maximum aggregation: 23808 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 66446 Unique aggregates announced from the APNIC address blocks: 30704 APNIC Region origin ASes present in the Internet Routing Table: 3629 APNIC Prefixes per ASN: 18.31 APNIC Region origin ASes announcing only one prefix: 1005 APNIC Region transit ASes present in the Internet Routing Table: 566 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 451466912 Equivalent to 26 /8s, 232 /16s and 214 /24s Percentage of available APNIC address space announced: 84.1
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, 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, 180/8, 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: 124666 Total ARIN prefixes after maximum aggregation: 66083 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 125173 Unique aggregates announced from the ARIN address blocks: 51584 ARIN Region origin ASes present in the Internet Routing Table: 13023 ARIN Prefixes per ASN: 9.61 ARIN Region origin ASes announcing only one prefix: 5010 ARIN Region transit ASes present in the Internet Routing Table: 1293 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 1017243605 Equivalent to 60 /8s, 161 /16s and 231 /24s Percentage of available ARIN address space announced: 195.6
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 53248-55295 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: 66491 Total RIPE prefixes after maximum aggregation: 38825 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 65986 Unique aggregates announced from the RIPE address blocks: 43517 RIPE Region origin ASes present in the Internet Routing Table: 13061 RIPE Prefixes per ASN: 5.05 RIPE Region origin ASes announcing only one prefix: 6845 RIPE Region transit ASes present in the Internet Routing Table: 1969 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 480884457 Equivalent to 28 /8s, 169 /16s and 182 /24s Percentage of available RIPE address space announced: 102.4
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 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: 25997 Total LACNIC prefixes after maximum aggregation: 5938 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 25817 Unique aggregates announced from the LACNIC address blocks: 13144 LACNIC Region origin ASes present in the Internet Routing Table: 1117 LACNIC Prefixes per ASN: 23.11 LACNIC Region origin ASes announcing only one prefix: 357 LACNIC Region transit ASes present in the Internet Routing Table: 184 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 71552648 Equivalent to 4 /8s, 67 /16s and 206 /24s Percentage of available LACNIC address space announced: 71.1
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: 6238 Total AfriNIC prefixes after maximum aggregation: 1454 AfriNIC Deaggregation factor: 4.29 Prefixes being announced from the AfriNIC address blocks: 6561 Unique aggregates announced from the AfriNIC address blocks: 2459 AfriNIC Region origin ASes present in the Internet Routing Table: 298 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 64 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 19312128 Equivalent to 1 /8s, 38 /16s and 174 /24s Percentage of available AfriNIC address space announced: 57.6
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 1587 130 98 Hathway IP Over Cable Interne 4766 1542 6930 402 Korea Telecom (KIX) 4755 1205 418 175 Videsh Sanchar Nigam Ltd. Aut 9583 1085 86 541 Sify Limited 4134 873 16789 375 CHINANET-BACKBONE 7545 787 198 102 TPG Internet Pty Ltd 18101 752 216 30 Reliance Infocom Ltd Internet 24560 692 230 175 Bharti Airtel Ltd. 9829 669 561 15 BSNL National Internet Backbo 9498 660 231 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 4291 3646 321 bellsouth.net, inc. 20115 2066 1444 714 Charter Communications 4323 1854 1035 374 Time Warner Telecom 1785 1697 717 139 AppliedTheory Corporation 7018 1500 10006 1029 AT&T WorldNet Services 6478 1414 313 399 AT&T Worldnet Services 2386 1266 682 920 AT&T Data Communications Serv 3356 1229 10981 458 Level 3 Communications, LLC 11492 1102 193 12 Cable One 22773 1070 2604 66 Cox Communications, Inc.
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 702 636 1864 346 UUNET - Commercial IP service 30890 536 88 200 Evolva Telecom 35228 520 144 5 Avatar Broadband Limited 3292 472 1894 396 TDC Tele Danmark 12479 448 578 6 Uni2 Autonomous System 8866 386 110 26 Bulgarian Telecommunication C 3301 369 1668 304 TeliaNet Sweden 3215 343 3041 108 France Telecom Transpac 3320 343 7066 294 Deutsche Telekom AG 35805 343 24 4 United Telecom AS
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 1937 292 73 Telecom Argentina Stet-France 8151 1449 2862 234 Uninet S.A. de C.V. 10620 927 207 108 TVCABLE BOGOTA 22047 614 302 14 Types of queries are: POCs, o 11830 486 292 54 Instituto Costarricense de El 28573 482 562 35 Types of queries are: POCs, o 6471 443 96 32 ENTEL CHILE S.A. 11172 440 102 70 Alestra 7738 414 794 28 Telecomunicacoes da Bahia S.A 16735 403 108 10 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 8452 1203 188 7 TEDATA 24863 878 81 40 LINKdotNET AS number 20858 324 34 5 EgyNet 3741 278 860 238 The Internet Solution 2018 244 215 143 TENET-1 6713 160 151 12 Itissalat Al-MAGHRIB 33783 152 10 8 EEPAD TISP TELECOM & INTERNET 29571 139 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 33776 116 6 7 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 4291 3646 321 bellsouth.net, inc. 20115 2066 1444 714 Charter Communications 7303 1937 292 73 Telecom Argentina Stet-France 4323 1854 1035 374 Time Warner Telecom 1785 1697 717 139 AppliedTheory Corporation 17488 1587 130 98 Hathway IP Over Cable Interne 4766 1542 6930 402 Korea Telecom (KIX) 7018 1500 10006 1029 AT&T WorldNet Services 8151 1449 2862 234 Uninet S.A. de C.V. 6478 1414 313 399 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 7303 1937 1864 Telecom Argentina Stet-France 1785 1697 1558 AppliedTheory Corporation 17488 1587 1489 Hathway IP Over Cable Interne 4323 1854 1480 Time Warner Telecom 20115 2066 1352 Charter Communications 8151 1449 1215 Uninet S.A. de C.V. 8452 1203 1196 TEDATA 4766 1542 1140 Korea Telecom (KIX) 11492 1102 1090 Cable One 18566 1062 1052 Covad Communications
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 10.29.248.71/32 286 KPNQwest Backbone AS 198.18.0.0/15 10026 IXNet Hong Kong Limited
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 1.0.0.0/8 10026 IXNet Hong Kong Limited 2.0.0.0/8 10026 IXNet Hong Kong Limited 5.0.0.0/8 10026 IXNet Hong Kong Limited 10.29.248.71/32 286 KPNQwest Backbone AS 14.0.0.0/8 10026 IXNet Hong Kong Limited 23.0.0.0/8 10026 IXNet Hong Kong Limited 27.0.0.0/8 10026 IXNet Hong Kong Limited 31.0.0.0/8 10026 IXNet Hong Kong Limited 36.0.0.0/8 10026 IXNet Hong Kong Limited 37.0.0.0/8 10026 IXNet Hong Kong Limited
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 /8:49 /9:10 /10:22 /11:59 /12:170 /13:349 /14:604 /15:1158 /16:10505 /17:4761 /18:8140 /19:16986 /20:20299 /21:20287 /22:26906 /23:26104 /24:153014 /25:207 /26:285 /27:218 /28:242 /29:225 /30:153 /31:1 /32:120
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2801 4291 bellsouth.net, inc. 7303 1455 1937 Telecom Argentina Stet-France 17488 1307 1587 Hathway IP Over Cable Interne 4766 1235 1542 Korea Telecom (KIX) 1785 1174 1697 AppliedTheory Corporation 8452 1172 1203 TEDATA 20115 1111 2066 Charter Communications 18566 1043 1062 Covad Communications 11492 1037 1102 Cable One 2386 974 1266 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:13 8:205 12:2240 13:10 15:19 16:3 17:4 20:35 24:1101 32:146 34:2 38:563 40:97 41:1990 43:1 44:2 47:22 52:4 55:2 56:3 57:37 58:587 59:637 60:459 61:1101 62:1130 63:2023 64:3719 65:2375 66:3680 67:1598 68:827 69:2630 70:529 71:150 72:1694 73:2 74:1536 75:177 76:308 77:853 78:568 79:338 80:971 81:818 82:564 83:431 84:642 85:1033 86:405 87:673 88:353 89:1443 90:61 91:2246 92:327 93:1079 94:1235 95:1212 96:135 97:222 98:230 99:19 109:1 110:126 112:127 113:110 114:271 115:287 116:1167 117:533 118:278 119:697 120:144 121:743 122:1025 123:677 124:967 125:1325 128:222 129:235 130:126 131:412 132:75 133:9 134:186 135:39 136:224 137:155 138:160 139:89 140:443 141:114 142:380 143:340 144:364 145:47 146:377 147:160 148:518 149:306 150:176 151:198 152:147 153:146 154:2 155:275 156:170 157:298 158:115 159:313 160:283 161:142 162:270 163:150 164:480 165:505 166:275 167:361 168:680 169:165 170:505 171:40 172:10 173:289 174:216 178:1 180:1 183:1 186:17 187:122 188:20 189:484 190:3001 192:5842 193:4319 194:3401 195:2786 196:1080 198:3641 199:3370 200:5616 201:1423 202:8023 203:8164 204:3833 205:2252 206:2467 207:2754 208:3916 209:3380 210:2680 211:1145 212:1519 213:1723 214:75 215:31 216:4674 217:1276 218:373 219:427 220:1222 221:473 222:293
End of report
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