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Routing Table Report 00:00 GMT Wed 22 Jul, 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: 297593 Prefixes after maximum aggregation: 138612 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 95470 Total ASes present in the Internet Routing Table: 31842 Prefixes per ASN: 9.35 Origin-only ASes present in the Internet Routing Table: 27580 Origin ASes announcing only one prefix: 13460 Transit ASes present in the Internet Routing Table: 4262 Transit-only ASes present in the Internet Routing Table: 98 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 40 Max AS path prepend of ASN (22394) 36 Prefixes from unregistered ASNs in the Routing Table: 496 Unregistered ASNs in the Routing Table: 157 Number of 32-bit ASNs allocated by the RIRs: 207 Prefixes from 32-bit ASNs in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 339 Number of addresses announced to Internet: 1155441566 Equivalent to 68 /8s, 222 /16s and 163 /24s Percentage of available address space announced: 31.2 Percentage of allocated address space announced: 36.1 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 78.3 Total number of prefixes smaller than registry allocations: 148260
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 69188 Total APNIC prefixes after maximum aggregation: 24491 APNIC Deaggregation factor: 2.83 Prefixes being announced from the APNIC address blocks: 68637 Unique aggregates announced from the APNIC address blocks: 21630 APNIC Region origin ASes present in the Internet Routing Table: 3709 APNIC Prefixes per ASN: 18.51 APNIC Region origin ASes announcing only one prefix: 1010 APNIC Region transit ASes present in the Internet Routing Table: 581 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 25 Number of APNIC addresses announced to Internet: 236623040 Equivalent to 14 /8s, 26 /16s and 148 /24s Percentage of available APNIC address space announced: 44.1
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: 126157 Total ARIN prefixes after maximum aggregation: 66540 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 126549 Unique aggregates announced from the ARIN address blocks: 34837 ARIN Region origin ASes present in the Internet Routing Table: 13137 ARIN Prefixes per ASN: 9.63 ARIN Region origin ASes announcing only one prefix: 5063 ARIN Region transit ASes present in the Internet Routing Table: 1299 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 40 Number of ARIN addresses announced to Internet: 644968597 Equivalent to 38 /8s, 113 /16s and 112 /24s Percentage of available ARIN address space announced: 124.0
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: 68572 Total RIPE prefixes after maximum aggregation: 39710 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 68425 Unique aggregates announced from the RIPE address blocks: 22719 RIPE Region origin ASes present in the Internet Routing Table: 13334 RIPE Prefixes per ASN: 5.13 RIPE Region origin ASes announcing only one prefix: 6936 RIPE Region transit ASes present in the Internet Routing Table: 2055 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 180555136 Equivalent to 10 /8s, 195 /16s and 13 /24s Percentage of available RIPE address space announced: 38.4
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: 27058 Total LACNIC prefixes after maximum aggregation: 6081 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 27010 Unique aggregates announced from the LACNIC address blocks: 13624 LACNIC Region origin ASes present in the Internet Routing Table: 1150 LACNIC Prefixes per ASN: 23.49 LACNIC Region origin ASes announcing only one prefix: 361 LACNIC Region transit ASes present in the Internet Routing Table: 191 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 72147848 Equivalent to 4 /8s, 76 /16s and 227 /24s Percentage of available LACNIC address space announced: 71.7
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: 6224 Total AfriNIC prefixes after maximum aggregation: 1508 AfriNIC Deaggregation factor: 4.13 Prefixes being announced from the AfriNIC address blocks: 6619 Unique aggregates announced from the AfriNIC address blocks: 2415 AfriNIC Region origin ASes present in the Internet Routing Table: 307 AfriNIC Prefixes per ASN: 21.56 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 68 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 19569408 Equivalent to 1 /8s, 42 /16s and 155 /24s Percentage of available AfriNIC address space announced: 58.3
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 1539 6934 409 Korea Telecom (KIX) 4755 1216 292 142 Videsh Sanchar Nigam Ltd. Aut 9583 1138 87 562 Sify Limited 4134 937 17321 375 CHINANET-BACKBONE 17488 874 78 103 Hathway IP Over Cable Interne 7545 815 198 100 TPG Internet Pty Ltd 9829 798 610 17 BSNL National Internet Backbo 18101 738 201 30 Reliance Infocom Ltd Internet 24560 731 247 170 Bharti Airtel Ltd. 17908 698 194 47 Tata Communications
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 4243 3643 324 bellsouth.net, inc. 20115 2083 1463 673 Charter Communications 4323 1892 1040 384 Time Warner Telecom 1785 1712 714 139 AppliedTheory Corporation 7018 1513 10013 1047 AT&T WorldNet Services 2386 1270 655 928 AT&T Data Communications Serv 6478 1219 275 313 AT&T Worldnet Services 3356 1202 10960 443 Level 3 Communications, LLC 11492 1127 208 12 Cable One 22773 1077 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 702 629 1861 347 UUNET - Commercial IP service 30890 484 92 196 Evolva Telecom 12479 475 578 6 Uni2 Autonomous System 3292 463 1902 391 TDC Tele Danmark 3301 377 1684 310 TeliaNet Sweden 9198 358 138 12 Kazakhtelecom Corporate Sales 3320 353 7083 306 Deutsche Telekom AG 3215 343 3065 108 France Telecom Transpac 8997 337 178 12 SPBNIT-RU Autonomous System 8866 335 109 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 2080 315 76 Telecom Argentina Stet-France 8151 1487 2888 242 Uninet S.A. de C.V. 10620 940 216 111 TVCABLE BOGOTA 28573 616 575 32 Types of queries are: POCs, o 22047 543 302 14 Types of queries are: POCs, o 11830 489 309 56 Instituto Costarricense de El 11172 442 99 70 Alestra 6471 434 96 31 ENTEL CHILE S.A. 7738 426 862 30 Telecomunicacoes da Bahia S.A 16735 408 124 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 1025 188 7 TEDATA 24863 903 90 48 LINKdotNET AS number 20858 323 34 5 EgyNet 3741 277 856 237 The Internet Solution 2018 243 215 143 TENET-1 6713 175 166 16 Itissalat Al-MAGHRIB 33783 152 10 8 EEPAD TISP TELECOM & INTERNET 29571 140 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 33776 121 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 4243 3643 324 bellsouth.net, inc. 20115 2083 1463 673 Charter Communications 7303 2080 315 76 Telecom Argentina Stet-France 4323 1892 1040 384 Time Warner Telecom 1785 1712 714 139 AppliedTheory Corporation 4766 1539 6934 409 Korea Telecom (KIX) 7018 1513 10013 1047 AT&T WorldNet Services 8151 1487 2888 242 Uninet S.A. de C.V. 2386 1270 655 928 AT&T Data Communications Serv 6478 1219 275 313 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 2080 2004 Telecom Argentina Stet-France 1785 1712 1573 AppliedTheory Corporation 4323 1892 1508 Time Warner Telecom 20115 2083 1410 Charter Communications 8151 1487 1245 Uninet S.A. de C.V. 4766 1539 1130 Korea Telecom (KIX) 11492 1127 1115 Cable One 4755 1216 1074 Videsh Sanchar Nigam Ltd. Aut 18566 1062 1052 Covad Communications 8452 1025 1018 TEDATA
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 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.112.0/22 5713 Telkom SA Ltd 41.223.176.0/22 36981 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 22555 Universal Talkware Corporatio
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 /8:19 /9:10 /10:24 /11:58 /12:172 /13:353 /14:617 /15:1173 /16:10569 /17:4849 /18:8309 /19:17362 /20:20712 /21:20784 /22:27386 /23:26850 /24:154759 /25:612 /26:770 /27:304 /28:342 /29:619 /30:681 /31:3 /32:256
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2754 4243 bellsouth.net, inc. 7303 1578 2080 Telecom Argentina Stet-France 4766 1238 1539 Korea Telecom (KIX) 1785 1182 1712 AppliedTheory Corporation 20115 1103 2083 Charter Communications 11492 1053 1127 Cable One 18566 1043 1062 Covad Communications 9583 991 1138 Sify Limited 2386 989 1270 AT&T Data Communications Serv 4323 960 1892 Time Warner Telecom
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:14 8:212 12:2159 13:7 15:19 16:3 17:5 20:35 24:1163 32:150 34:2 38:580 40:98 41:1773 43:1 44:2 47:22 52:6 55:2 56:2 57:37 58:590 59:650 60:292 61:1078 62:1168 63:2059 64:3715 65:2405 66:3652 67:1679 68:879 69:2667 70:552 71:169 72:1685 73:2 74:1632 75:176 76:349 77:849 78:575 79:359 80:993 81:841 82:622 83:452 84:628 85:1072 86:379 87:669 88:359 89:1494 90:50 91:2427 92:377 93:1079 94:1131 95:1124 96:154 97:232 98:250 99:26 110:176 111:274 112:111 113:144 114:253 115:301 116:892 117:541 118:353 119:724 120:147 121:783 122:1057 123:697 124:973 125:1270 128:225 129:233 130:128 131:414 132:74 133:9 134:187 135:38 136:219 137:164 138:169 139:94 140:447 141:121 142:384 143:353 144:359 145:48 146:388 147:156 148:517 149:309 150:175 151:193 152:145 153:154 154:2 155:274 156:167 157:301 158:118 159:345 160:289 161:153 162:274 163:162 164:476 165:515 166:465 167:361 168:660 169:171 170:496 171:41 172:10 173:313 174:241 178:1 186:104 187:172 188:345 189:624 190:3270 192:5814 193:4382 194:3436 195:2845 196:1124 198:3622 199:3365 200:5457 201:1413 202:7812 203:8259 204:3889 205:2265 206:2464 207:2747 208:3899 209:3443 210:2512 211:1152 212:1697 213:1708 214:83 215:29 216:4598 217:1373 218:408 219:466 220:1109 221:480 222:326
End of report
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