Routing Table Report 00:00 GMT Mon 31 May, 2010
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: 324465 Prefixes after maximum aggregation: 147839 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 156699 Total ASes present in the Internet Routing Table: 34156 Prefixes per ASN: 9.50 Origin-only ASes present in the Internet Routing Table: 29505 Origin ASes announcing only one prefix: 14362 Transit ASes present in the Internet Routing Table: 4651 Transit-only ASes present in the Internet Routing Table: 112 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 34 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 418 Unregistered ASNs in the Routing Table: 139 Number of 32-bit ASNs allocated by the RIRs: 595 Prefixes from 32-bit ASNs in the Routing Table: 40 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 167 Number of addresses announced to Internet: 2258895794 Equivalent to 134 /8s, 164 /16s and 3 /24s Percentage of available address space announced: 60.9 Percentage of allocated address space announced: 66.4 Percentage of available address space allocated: 91.9 Percentage of address space in use by end-sites: 83.0 Total number of prefixes smaller than registry allocations: 154573
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 75682 Total APNIC prefixes after maximum aggregation: 26014 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 72767 Unique aggregates announced from the APNIC address blocks: 32455 APNIC Region origin ASes present in the Internet Routing Table: 4058 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 1136 APNIC Region transit ASes present in the Internet Routing Table: 644 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 520627937 Equivalent to 31 /8s, 8 /16s and 38 /24s Percentage of available APNIC address space announced: 77.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 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, 133/8, 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, 223/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 135864 Total ARIN prefixes after maximum aggregation: 69685 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 107817 Unique aggregates announced from the ARIN address blocks: 40909 ARIN Region origin ASes present in the Internet Routing Table: 13747 ARIN Prefixes per ASN: 7.84 ARIN Region origin ASes announcing only one prefix: 5294 ARIN Region transit ASes present in the Internet Routing Table: 1402 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731623201 Equivalent to 43 /8s, 155 /16s and 175 /24s Percentage of available ARIN address space announced: 62.3
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, 393216-394239 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, 50/8, 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, 107/8, 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: 76708 Total RIPE prefixes after maximum aggregation: 43239 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 69763 Unique aggregates announced from the RIPE address blocks: 44146 RIPE Region origin ASes present in the Internet Routing Table: 14508 RIPE Prefixes per ASN: 4.81 RIPE Region origin ASes announcing only one prefix: 7429 RIPE Region transit ASes present in the Internet Routing Table: 2229 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 34 Number of RIPE addresses announced to Internet: 428232916 Equivalent to 25 /8s, 134 /16s and 80 /24s Percentage of available RIPE address space announced: 75.1
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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 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, 176/8, 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: 28571 Total LACNIC prefixes after maximum aggregation: 6865 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 26988 Unique aggregates announced from the LACNIC address blocks: 14070 LACNIC Region origin ASes present in the Internet Routing Table: 1293 LACNIC Prefixes per ASN: 20.87 LACNIC Region origin ASes announcing only one prefix: 395 LACNIC Region transit ASes present in the Internet Routing Table: 232 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 73273352 Equivalent to 4 /8s, 94 /16s and 16 /24s Percentage of available LACNIC address space announced: 72.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 7347 Total AfriNIC prefixes after maximum aggregation: 1859 AfriNIC Deaggregation factor: 3.95 Prefixes being announced from the AfriNIC address blocks: 5646 Unique aggregates announced from the AfriNIC address blocks: 1666 AfriNIC Region origin ASes present in the Internet Routing Table: 366 AfriNIC Prefixes per ASN: 15.43 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 83 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 18708992 Equivalent to 1 /8s, 29 /16s and 122 /24s Percentage of available AfriNIC address space announced: 55.8
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1688 8421 477 Korea Telecom (KIX) 17488 1315 140 123 Hathway IP Over Cable Interne 4755 1307 293 150 Videsh Sanchar Nigam Ltd. Aut 7545 1279 232 104 TPG Internet Pty Ltd 17974 1066 281 19 PT TELEKOMUNIKASI INDONESIA 9583 1002 74 491 Sify Limited 24560 907 306 171 Bharti Airtel Ltd. 4134 853 21259 406 CHINANET-BACKBONE 9829 797 681 34 BSNL National Internet Backbo 4808 776 1455 183 CNCGROUP IP network: China169
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 3915 3716 282 bellsouth.net, inc. 4323 3366 1098 404 Time Warner Telecom 1785 1785 698 131 AppliedTheory Corporation 20115 1613 1500 650 Charter Communications 7018 1484 5706 947 AT&T WorldNet Services 2386 1279 552 917 AT&T Data Communications Serv 6478 1254 258 94 AT&T Worldnet Services 3356 1200 10849 399 Level 3 Communications, LLC 22773 1155 2604 64 Cox Communications, Inc. 11492 1148 207 70 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 9116 530 328 32 Goldenlines main autonomous s 3292 476 2028 396 TDC Tele Danmark 30890 444 116 208 Evolva Telecom 3216 424 148 30 Teleross, Moscow, Russia 702 414 1870 329 UUNET - Commercial IP service 35805 405 56 6 United Telecom AS 8551 402 355 38 Bezeq International 8866 400 117 18 Bulgarian Telecommunication C 3301 367 1414 323 TeliaNet Sweden 3320 364 7072 317 Deutsche Telekom AG
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 8151 1564 2981 238 Uninet S.A. de C.V. 10620 1050 236 151 TVCABLE BOGOTA 28573 893 724 77 Types of queries are: POCs, o 7303 731 378 107 Telecom Argentina Stet-France 6503 589 174 208 AVANTEL, S.A. 22047 545 310 15 Types of queries are: POCs, o 7738 477 922 30 Telecomunicacoes da Bahia S.A 11830 476 308 56 Instituto Costarricense de El 3816 473 204 73 COLOMBIA TELECOMUNICACIONES S 14117 455 30 13 Telefonica del Sur 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 8452 1255 445 10 TEDATA 24863 712 147 38 LINKdotNET AS number 36992 636 278 186 Etisalat MISR 3741 270 852 231 The Internet Solution 2018 216 230 111 TENET-1 33776 210 11 14 Starcomms Nigeria Limited 6713 176 167 12 Itissalat Al-MAGHRIB 24835 176 78 10 RAYA Telecom - Egypt 29571 172 19 9 Ci Telecom Autonomous system 29975 133 506 14 Vodacom
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 3915 3716 282 bellsouth.net, inc. 4323 3366 1098 404 Time Warner Telecom 1785 1785 698 131 AppliedTheory Corporation 4766 1688 8421 477 Korea Telecom (KIX) 20115 1613 1500 650 Charter Communications 8151 1564 2981 238 Uninet S.A. de C.V. 7018 1484 5706 947 AT&T WorldNet Services 17488 1315 140 123 Hathway IP Over Cable Interne 4755 1307 293 150 Videsh Sanchar Nigam Ltd. Aut 2386 1279 552 917 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 4323 3366 2962 Time Warner Telecom 1785 1785 1654 AppliedTheory Corporation 8151 1564 1326 Uninet S.A. de C.V. 8452 1255 1245 TEDATA 4766 1688 1211 Korea Telecom (KIX) 17488 1315 1192 Hathway IP Over Cable Interne 7545 1279 1175 TPG Internet Pty Ltd 6478 1254 1160 AT&T Worldnet Services 4755 1307 1157 Videsh Sanchar Nigam Ltd. Aut 22773 1155 1091 Cox Communications, Inc.
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 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 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
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.0.0.0/8 237 Merit Network 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 Amsco Telecommunications Nige 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd
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 /8:22 /9:10 /10:26 /11:67 /12:194 /13:403 /14:693 /15:1276 /16:11103 /17:5396 /18:9123 /19:18601 /20:23042 /21:22922 /22:29769 /23:29614 /24:169993 /25:356 /26:562 /27:220 /28:313 /29:171 /30:343 /31:0 /32:246
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2511 3915 bellsouth.net, inc. 4323 1851 3366 Time Warner Telecom 4766 1322 1688 Korea Telecom (KIX) 1785 1251 1785 AppliedTheory Corporation 8452 1139 1255 TEDATA 11492 1062 1148 Cable One 17488 1062 1315 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 10620 966 1050 TVCABLE BOGOTA 7018 896 1484 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 4:13 8:266 12:2017 13:10 14:1 15:23 16:3 17:8 20:21 24:1442 27:111 31:1 32:137 33:12 38:676 40:98 41:2486 44:3 47:26 52:8 55:6 56:2 57:36 58:775 59:504 60:456 61:1082 62:1084 63:1977 64:3628 65:2348 66:4291 67:1858 68:1114 69:2880 70:715 71:258 72:1875 73:2 74:2110 75:255 76:309 77:865 78:628 79:436 80:1002 81:812 82:499 83:457 84:730 85:1070 86:473 87:795 88:338 89:1720 90:90 91:2810 92:511 93:1121 94:1335 95:606 96:280 97:320 98:593 99:28 108:32 109:500 110:361 111:502 112:263 113:298 114:411 115:579 116:1033 117:651 118:452 119:936 120:145 121:742 122:1434 123:911 124:1125 125:1315 128:211 129:212 130:193 131:558 132:247 133:17 134:196 135:45 136:229 137:172 138:256 139:115 140:484 141:136 142:355 143:386 144:476 145:53 146:424 147:166 148:612 149:291 150:148 151:169 152:261 153:168 154:2 155:326 156:156 157:326 158:107 159:374 160:312 161:179 162:262 163:180 164:408 165:334 166:474 167:397 168:785 169:165 170:711 171:53 172:2 173:768 174:654 175:102 176:1 178:155 180:476 182:79 183:128 184:77 186:392 187:341 188:1248 189:793 190:3671 192:5784 193:4723 194:3426 195:2941 196:1207 198:3584 199:3437 200:5354 201:1515 202:8192 203:8324 204:4069 205:2335 206:2528 207:3041 208:3896 209:3414 210:2522 211:1268 212:1814 213:1765 214:655 215:69 216:4683 217:1554 218:494 219:379 220:1128 221:400 222:336 223:1
End of report
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Routing Analysis Role Account