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Routing Table Report 00:00 GMT Thu 27 Aug, 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: 301202 Prefixes after maximum aggregation: 140139 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 146844 Total ASes present in the Internet Routing Table: 32137 Prefixes per ASN: 9.37 Origin-only ASes present in the Internet Routing Table: 27824 Origin ASes announcing only one prefix: 13614 Transit ASes present in the Internet Routing Table: 4313 Transit-only ASes present in the Internet Routing Table: 103 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 30 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 460 Unregistered ASNs in the Routing Table: 140 Number of 32-bit ASNs allocated by the RIRs: 244 Prefixes from 32-bit ASNs in the Routing Table: 98 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 341 Number of addresses announced to Internet: 2095210186 Equivalent to 124 /8s, 226 /16s and 94 /24s Percentage of available address space announced: 56.5 Percentage of allocated address space announced: 64.7 Percentage of available address space allocated: 87.3 Percentage of address space in use by end-sites: 78.7 Total number of prefixes smaller than registry allocations: 145926
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 71257 Total APNIC prefixes after maximum aggregation: 25153 APNIC Deaggregation factor: 2.83 Prefixes being announced from the APNIC address blocks: 70729 Unique aggregates announced from the APNIC address blocks: 31636 APNIC Region origin ASes present in the Internet Routing Table: 3755 APNIC Prefixes per ASN: 18.84 APNIC Region origin ASes announcing only one prefix: 1033 APNIC Region transit ASes present in the Internet Routing Table: 579 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 486313920 Equivalent to 28 /8s, 252 /16s and 143 /24s Percentage of available APNIC address space announced: 82.8
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: 126740 Total ARIN prefixes after maximum aggregation: 66900 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 127046 Unique aggregates announced from the ARIN address blocks: 52544 ARIN Region origin ASes present in the Internet Routing Table: 13241 ARIN Prefixes per ASN: 9.59 ARIN Region origin ASes announcing only one prefix: 5121 ARIN Region transit ASes present in the Internet Routing Table: 1347 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 1013366293 Equivalent to 60 /8s, 102 /16s and 190 /24s Percentage of available ARIN address space announced: 88.8
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: 69164 Total RIPE prefixes after maximum aggregation: 40125 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 69035 Unique aggregates announced from the RIPE address blocks: 45724 RIPE Region origin ASes present in the Internet Routing Table: 13458 RIPE Prefixes per ASN: 5.13 RIPE Region origin ASes announcing only one prefix: 7003 RIPE Region transit ASes present in the Internet Routing Table: 2072 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 500359976 Equivalent to 29 /8s, 210 /16s and 227 /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: 27483 Total LACNIC prefixes after maximum aggregation: 6173 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 27452 Unique aggregates announced from the LACNIC address blocks: 14031 LACNIC Region origin ASes present in the Internet Routing Table: 1173 LACNIC Prefixes per ASN: 23.40 LACNIC Region origin ASes announcing only one prefix: 370 LACNIC Region transit ASes present in the Internet Routing Table: 198 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 30 Number of LACNIC addresses announced to Internet: 73436616 Equivalent to 4 /8s, 96 /16s and 141 /24s Percentage of available LACNIC address space announced: 73.0
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: 6205 Total AfriNIC prefixes after maximum aggregation: 1544 AfriNIC Deaggregation factor: 4.02 Prefixes being announced from the AfriNIC address blocks: 6599 Unique aggregates announced from the AfriNIC address blocks: 2635 AfriNIC Region origin ASes present in the Internet Routing Table: 312 AfriNIC Prefixes per ASN: 21.15 AfriNIC Region origin ASes announcing only one prefix: 87 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 20195584 Equivalent to 1 /8s, 52 /16s and 41 /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 1555 6981 425 Korea Telecom (KIX) 17488 1554 140 103 Hathway IP Over Cable Interne 4755 1228 292 140 Videsh Sanchar Nigam Ltd. Aut 9583 1101 86 532 Sify Limited 18101 948 201 31 Reliance Infocom Ltd Internet 4134 945 18167 389 CHINANET-BACKBONE 23577 932 34 774 KRNIC 7545 820 198 102 TPG Internet Pty Ltd 9829 807 620 16 BSNL National Internet Backbo 24560 740 255 168 Bharti Airtel 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 4176 3608 309 bellsouth.net, inc. 20115 2184 1476 670 Charter Communications 4323 1917 1049 390 Time Warner Telecom 1785 1732 714 137 AppliedTheory Corporation 7018 1498 5865 1052 AT&T WorldNet Services 6478 1372 280 288 AT&T Worldnet Services 2386 1283 641 941 AT&T Data Communications Serv 3356 1216 10947 437 Level 3 Communications, LLC 11492 1112 208 12 Cable One 22773 1091 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 702 626 1837 344 UUNET - Commercial IP service 30890 486 92 196 Evolva Telecom 12479 474 578 6 Uni2 Autonomous System 3292 470 1905 397 TDC Tele Danmark 35805 380 40 5 United Telecom AS 3301 374 1412 309 TeliaNet Sweden 9198 365 138 12 Kazakhtelecom Corporate Sales 3320 351 7067 302 Deutsche Telekom AG 3215 344 3081 109 France Telecom Transpac 8866 342 109 22 Bulgarian Telecommunication C
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 2222 333 86 Telecom Argentina Stet-France 8151 1468 2900 246 Uninet S.A. de C.V. 10620 1000 223 101 TVCABLE BOGOTA 28573 656 596 53 Types of queries are: POCs, o 22047 542 302 14 Types of queries are: POCs, o 11830 476 310 65 Instituto Costarricense de El 11172 442 83 70 Alestra 7738 438 862 30 Telecomunicacoes da Bahia S.A 6471 421 96 31 ENTEL CHILE S.A. 16735 415 124 11 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 1002 188 7 TEDATA 24863 918 91 50 LINKdotNET AS number 20858 320 34 6 EgyNet 3741 272 852 234 The Internet Solution 2018 201 180 142 TENET-1 6713 175 166 16 Itissalat Al-MAGHRIB 29571 143 14 6 Ci Telecom Autonomous system 24835 130 46 9 RAYA Telecom - Egypt 33783 130 9 17 EEPAD TISP TELECOM & INTERNET 33776 123 7 11 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 4176 3608 309 bellsouth.net, inc. 7303 2222 333 86 Telecom Argentina Stet-France 20115 2184 1476 670 Charter Communications 4323 1917 1049 390 Time Warner Telecom 1785 1732 714 137 AppliedTheory Corporation 4766 1555 6981 425 Korea Telecom (KIX) 17488 1554 140 103 Hathway IP Over Cable Interne 7018 1498 5865 1052 AT&T WorldNet Services 8151 1468 2900 246 Uninet S.A. de C.V. 6478 1372 280 288 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 2222 2136 Telecom Argentina Stet-France 1785 1732 1595 AppliedTheory Corporation 4323 1917 1527 Time Warner Telecom 20115 2184 1514 Charter Communications 17488 1554 1451 Hathway IP Over Cable Interne 8151 1468 1222 Uninet S.A. de C.V. 4766 1555 1130 Korea Telecom (KIX) 11492 1112 1100 Cable One 4755 1228 1088 Videsh Sanchar Nigam Ltd. Aut 6478 1372 1084 AT&T Worldnet Services
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
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 10.29.248.71/32 286 KPNQwest Backbone AS 24.225.128.0/17 36377 PATRIOT MEDIA AND COMMUNICATI 36.126.8.255/8 77 Johns Hopkins University Appl 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.176.0/22 36981 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 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
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 /10:25 /11:59 /12:171 /13:354 /14:629 /15:1185 /16:10657 /17:4905 /18:8458 /19:17509 /20:20786 /21:21006 /22:27873 /23:27096 /24:155946 /25:774 /26:986 /27:517 /28:448 /29:668 /30:814 /31:4 /32:302
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2709 4176 bellsouth.net, inc. 7303 1718 2222 Telecom Argentina Stet-France 17488 1300 1554 Hathway IP Over Cable Interne 4766 1242 1555 Korea Telecom (KIX) 1785 1204 1732 AppliedTheory Corporation 20115 1196 2184 Charter Communications 18566 1043 1062 Covad Communications 11492 1039 1112 Cable One 4323 964 1917 Time Warner Telecom 9583 953 1101 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:14 8:213 12:2146 13:7 15:21 16:3 17:5 20:35 24:1191 32:151 34:2 38:595 40:97 41:1751 43:1 44:2 47:8 52:6 55:2 56:2 57:38 58:625 59:610 60:460 61:976 62:1165 63:2028 64:3675 65:2404 66:3490 67:1747 68:906 69:2763 70:554 71:186 72:1685 73:2 74:1732 75:181 76:317 77:847 78:571 79:378 80:936 81:839 82:623 83:444 84:636 85:1082 86:382 87:676 88:369 89:1460 90:48 91:2492 92:390 93:1118 94:1199 95:1163 96:166 97:269 98:300 99:28 110:183 111:386 112:122 113:151 114:238 115:306 116:1149 117:570 118:345 119:759 120:120 121:654 122:1245 123:750 124:1051 125:1347 128:225 129:220 130:129 131:415 132:75 133:9 134:174 135:42 136:225 137:161 138:169 139:95 140:445 141:124 142:386 143:345 144:394 145:49 146:389 147:159 148:531 149:299 150:206 151:192 152:209 153:159 154:2 155:270 156:167 157:274 158:114 159:344 160:290 161:164 162:270 163:164 164:276 165:526 166:469 167:363 168:699 169:162 170:496 171:39 172:2 173:377 174:320 175:1 178:1 180:7 182:1 186:130 187:183 188:591 189:691 190:3309 192:5819 193:4373 194:3407 195:2852 196:1120 198:3562 199:3369 200:5453 201:1436 202:7766 203:8283 204:3910 205:2289 206:2406 207:2752 208:3950 209:3417 210:2539 211:1135 212:1645 213:1709 214:133 215:29 216:4352 217:1355 218:412 219:453 220:1113 221:463 222:328
End of report
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