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Routing Table Report 00:00 GMT Sat 31 Oct, 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: 307553 Prefixes after maximum aggregation: 141966 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 149271 Total ASes present in the Internet Routing Table: 32565 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 28203 Origin ASes announcing only one prefix: 13733 Transit ASes present in the Internet Routing Table: 4362 Transit-only ASes present in the Internet Routing Table: 100 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 32 Max AS path prepend of ASN (31759) 22 Prefixes from unregistered ASNs in the Routing Table: 695 Unregistered ASNs in the Routing Table: 163 Number of 32-bit ASNs allocated by the RIRs: 308 Prefixes from 32-bit ASNs in the Routing Table: 248 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 191 Number of addresses announced to Internet: 2124031286 Equivalent to 126 /8s, 154 /16s and 37 /24s Percentage of available address space announced: 57.3 Percentage of allocated address space announced: 65.0 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 79.5 Total number of prefixes smaller than registry allocations: 148866
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 73945 Total APNIC prefixes after maximum aggregation: 25381 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 70329 Unique aggregates announced from the APNIC address blocks: 30387 APNIC Region origin ASes present in the Internet Routing Table: 3826 APNIC Prefixes per ASN: 18.38 APNIC Region origin ASes announcing only one prefix: 1041 APNIC Region transit ASes present in the Internet Routing Table: 594 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 467969792 Equivalent to 27 /8s, 228 /16s and 167 /24s Percentage of available APNIC address space announced: 79.7
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 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: 128982 Total ARIN prefixes after maximum aggregation: 67448 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 103250 Unique aggregates announced from the ARIN address blocks: 38688 ARIN Region origin ASes present in the Internet Routing Table: 13316 ARIN Prefixes per ASN: 7.75 ARIN Region origin ASes announcing only one prefix: 5133 ARIN Region transit ASes present in the Internet Routing Table: 1341 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 709324545 Equivalent to 42 /8s, 71 /16s and 111 /24s Percentage of available ARIN address space announced: 62.2
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, 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: 71367 Total RIPE prefixes after maximum aggregation: 40865 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 64671 Unique aggregates announced from the RIPE address blocks: 42048 RIPE Region origin ASes present in the Internet Routing Table: 13699 RIPE Prefixes per ASN: 4.72 RIPE Region origin ASes announcing only one prefix: 7086 RIPE Region transit ASes present in the Internet Routing Table: 2101 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 403065744 Equivalent to 24 /8s, 6 /16s and 75 /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, 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, 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: 26741 Total LACNIC prefixes after maximum aggregation: 6398 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 25050 Unique aggregates announced from the LACNIC address blocks: 13461 LACNIC Region origin ASes present in the Internet Routing Table: 1204 LACNIC Prefixes per ASN: 20.81 LACNIC Region origin ASes announcing only one prefix: 374 LACNIC Region transit ASes present in the Internet Routing Table: 199 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 30 Number of LACNIC addresses announced to Internet: 68088848 Equivalent to 4 /8s, 14 /16s and 244 /24s Percentage of available LACNIC address space announced: 67.6
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: 6022 Total AfriNIC prefixes after maximum aggregation: 1586 AfriNIC Deaggregation factor: 3.80 Prefixes being announced from the AfriNIC address blocks: 4392 Unique aggregates announced from the AfriNIC address blocks: 1607 AfriNIC Region origin ASes present in the Internet Routing Table: 332 AfriNIC Prefixes per ASN: 13.23 AfriNIC Region origin ASes announcing only one prefix: 99 AfriNIC Region transit ASes present in the Internet Routing Table: 69 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12869376 Equivalent to 0 /8s, 196 /16s and 95 /24s Percentage of available AfriNIC address space announced: 38.4
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 1592 6991 448 Korea Telecom (KIX) 17488 1473 139 140 Hathway IP Over Cable Interne 4755 1267 292 146 Videsh Sanchar Nigam Ltd. Aut 9583 1101 87 530 Sify Limited 18101 973 204 32 Reliance Infocom Ltd Internet 4134 950 19185 393 CHINANET-BACKBONE 7545 905 199 101 TPG Internet Pty Ltd 9829 848 660 23 BSNL National Internet Backbo 17974 814 252 104 PT TELEKOMUNIKASI INDONESIA 23577 813 31 678 KRNIC
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 4165 3883 313 bellsouth.net, inc. 4323 3720 1036 395 Time Warner Telecom 20115 1995 1484 667 Charter Communications 1785 1779 715 140 AppliedTheory Corporation 7018 1562 5834 1037 AT&T WorldNet Services 6478 1316 270 438 AT&T Worldnet Services 2386 1300 621 948 AT&T Data Communications Serv 3356 1229 10964 438 Level 3 Communications, LLC 11492 1137 206 13 Cable One 22773 1102 2600 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 30890 516 95 210 Evolva Telecom 3292 448 1908 392 TDC Tele Danmark 9116 444 296 30 Goldenlines main autonomous s 702 414 1822 333 UUNET - Commercial IP service 9198 387 138 12 Kazakhtelecom Corporate Sales 3301 376 1412 305 TeliaNet Sweden 35805 372 40 5 United Telecom AS 8866 362 110 23 Bulgarian Telecommunication C 8997 361 152 8 SPBNIT-RU Autonomous System 3320 353 7067 301 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 1493 2899 236 Uninet S.A. de C.V. 10620 1024 228 102 TVCABLE BOGOTA 28573 928 661 91 Types of queries are: POCs, o 7303 661 348 98 Telecom Argentina Stet-France 22047 546 302 14 Types of queries are: POCs, o 11830 476 310 61 Instituto Costarricense de El 7738 451 862 30 Telecomunicacoes da Bahia S.A 11172 445 99 70 Alestra 14117 438 29 11 Telefonica del Sur S.A. 6471 422 96 31 ENTEL CHILE 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 987 188 7 TEDATA 24863 939 98 72 LINKdotNET AS number 3741 274 857 234 The Internet Solution 2018 194 188 117 TENET-1 6713 176 167 12 Itissalat Al-MAGHRIB 29571 145 15 8 Ci Telecom Autonomous system 33776 124 7 11 Starcomms Nigeria Limited 5536 121 8 18 Internet Egypt Network 5713 117 508 67 Telkom SA Ltd 20858 109 34 6 EgyNet
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 4165 3883 313 bellsouth.net, inc. 4323 3720 1036 395 Time Warner Telecom 20115 1995 1484 667 Charter Communications 1785 1779 715 140 AppliedTheory Corporation 4766 1592 6991 448 Korea Telecom (KIX) 7018 1562 5834 1037 AT&T WorldNet Services 8151 1493 2899 236 Uninet S.A. de C.V. 17488 1473 139 140 Hathway IP Over Cable Interne 6478 1316 270 438 AT&T Worldnet Services 2386 1300 621 948 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 3720 3325 Time Warner Telecom 1785 1779 1639 AppliedTheory Corporation 17488 1473 1333 Hathway IP Over Cable Interne 20115 1995 1328 Charter Communications 8151 1493 1257 Uninet S.A. de C.V. 4766 1592 1144 Korea Telecom (KIX) 11492 1137 1124 Cable One 4755 1267 1121 Videsh Sanchar Nigam Ltd. Aut 18566 1062 1052 Covad Communications 22773 1102 1036 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 12.39.159.0/24 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 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /11:63 /12:179 /13:360 /14:638 /15:1217 /16:10740 /17:5009 /18:8624 /19:17935 /20:21472 /21:21608 /22:28050 /23:27635 /24:159349 /25:821 /26:1063 /27:491 /28:480 /29:826 /30:609 /31:3 /32:326
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2691 4165 bellsouth.net, inc. 4323 2352 3720 Time Warner Telecom 4766 1264 1592 Korea Telecom (KIX) 17488 1250 1473 Hathway IP Over Cable Interne 1785 1243 1779 AppliedTheory Corporation 11492 1061 1137 Cable One 18566 1043 1062 Covad Communications 20115 1003 1995 Charter Communications 9583 953 1101 Sify Limited 7018 940 1562 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:14 8:231 12:2151 13:7 15:22 16:3 17:5 20:36 24:1257 32:152 34:2 38:606 40:99 41:1796 43:1 44:2 46:1 47:21 52:6 55:2 56:2 57:37 58:613 59:641 60:440 61:1094 62:980 63:2014 64:3683 65:2372 66:4139 67:1769 68:1008 69:2786 70:589 71:164 72:1742 73:2 74:2003 75:187 76:359 77:876 78:577 79:379 80:942 81:820 82:516 83:448 84:545 85:1007 86:386 87:708 88:428 89:1526 90:54 91:2655 92:421 93:1222 94:1237 95:943 96:182 97:271 98:380 99:30 109:82 110:261 111:457 112:144 113:161 114:278 115:435 116:1124 117:590 118:342 119:790 120:128 121:806 122:1298 123:780 124:1052 125:1367 128:222 129:217 130:138 131:424 132:76 133:16 134:185 135:42 136:232 137:167 138:180 139:93 140:442 141:123 142:388 143:355 144:362 145:49 146:401 147:171 148:553 149:201 150:149 151:173 152:213 153:159 154:2 155:272 156:168 157:311 158:92 159:359 160:292 161:171 162:279 163:172 164:273 165:468 166:483 167:390 168:751 169:162 170:495 171:42 172:2 173:385 174:384 175:1 178:1 180:149 182:1 184:1 186:157 187:215 188:1207 189:681 190:3221 192:5771 193:4307 194:3354 195:2914 196:1162 198:3556 199:3331 200:5239 201:1409 202:8057 203:8239 204:3931 205:2177 206:2410 207:3009 208:3997 209:3450 210:2538 211:1175 212:1719 213:1674 214:175 215:40 216:4495 217:1350 218:478 219:489 220:1141 221:454 222:303
End of report
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