Routing Table Report 00:00 GMT Wed 30 Dec, 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: 313969 Prefixes after maximum aggregation: 143726 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 151321 Total ASes present in the Internet Routing Table: 33054 Prefixes per ASN: 9.50 Origin-only ASes present in the Internet Routing Table: 28594 Origin ASes announcing only one prefix: 13974 Transit ASes present in the Internet Routing Table: 4460 Transit-only ASes present in the Internet Routing Table: 104 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 27 Max AS path prepend of ASN (31759) 22 Prefixes from unregistered ASNs in the Routing Table: 486 Unregistered ASNs in the Routing Table: 164 Number of 32-bit ASNs allocated by the RIRs: 378 Prefixes from 32-bit ASNs in the Routing Table: 20 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 163 Number of addresses announced to Internet: 2168311935 Equivalent to 129 /8s, 61 /16s and 208 /24s Percentage of available address space announced: 58.5 Percentage of allocated address space announced: 66.3 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.5 Total number of prefixes smaller than registry allocations: 152227
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 75567 Total APNIC prefixes after maximum aggregation: 25783 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 72356 Unique aggregates announced from the APNIC address blocks: 31236 APNIC Region origin ASes present in the Internet Routing Table: 3897 APNIC Prefixes per ASN: 18.57 APNIC Region origin ASes announcing only one prefix: 1063 APNIC Region transit ASes present in the Internet Routing Table: 606 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 25 Number of APNIC addresses announced to Internet: 486562816 Equivalent to 29 /8s, 0 /16s and 92 /24s Percentage of available APNIC address space announced: 80.6
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 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,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 131740 Total ARIN prefixes after maximum aggregation: 68030 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 105216 Unique aggregates announced from the ARIN address blocks: 39035 ARIN Region origin ASes present in the Internet Routing Table: 13455 ARIN Prefixes per ASN: 7.82 ARIN Region origin ASes announcing only one prefix: 5208 ARIN Region transit ASes present in the Internet Routing Table: 1367 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 734411297 Equivalent to 43 /8s, 198 /16s and 58 /24s Percentage of available ARIN address space announced: 64.4
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: 72717 Total RIPE prefixes after maximum aggregation: 41600 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 66033 Unique aggregates announced from the RIPE address blocks: 42779 RIPE Region origin ASes present in the Internet Routing Table: 13955 RIPE Prefixes per ASN: 4.73 RIPE Region origin ASes announcing only one prefix: 7230 RIPE Region transit ASes present in the Internet Routing Table: 2154 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 409632313 Equivalent to 24 /8s, 106 /16s and 126 /24s Percentage of available RIPE address space announced: 76.3
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: 27728 Total LACNIC prefixes after maximum aggregation: 6572 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 26057 Unique aggregates announced from the LACNIC address blocks: 13826 LACNIC Region origin ASes present in the Internet Routing Table: 1224 LACNIC Prefixes per ASN: 21.29 LACNIC Region origin ASes announcing only one prefix: 380 LACNIC Region transit ASes present in the Internet Routing Table: 202 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 69861136 Equivalent to 4 /8s, 41 /16s and 255 /24s Percentage of available LACNIC address space announced: 69.4
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: 5946 Total AfriNIC prefixes after maximum aggregation: 1591 AfriNIC Deaggregation factor: 3.74 Prefixes being announced from the AfriNIC address blocks: 4358 Unique aggregates announced from the AfriNIC address blocks: 1557 AfriNIC Region origin ASes present in the Internet Routing Table: 336 AfriNIC Prefixes per ASN: 12.97 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 72 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC addresses announced to Internet: 14521600 Equivalent to 0 /8s, 221 /16s and 149 /24s Percentage of available AfriNIC address space announced: 43.3
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 1671 7509 462 Korea Telecom (KIX) 17488 1460 144 142 Hathway IP Over Cable Interne 4755 1285 289 145 Videsh Sanchar Nigam Ltd. Aut 18101 1010 204 37 Reliance Infocom Ltd Internet 9583 999 75 505 Sify Limited 4134 955 19461 398 CHINANET-BACKBONE 7545 923 198 97 TPG Internet Pty Ltd 17974 863 273 59 PT TELEKOMUNIKASI INDONESIA 9829 853 677 24 BSNL National Internet Backbo 24560 822 295 178 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 4185 3891 301 bellsouth.net, inc. 4323 3777 1068 399 Time Warner Telecom 20115 2147 1488 664 Charter Communications 1785 1799 699 134 AppliedTheory Corporation 7018 1586 5783 1027 AT&T WorldNet Services 2386 1289 601 935 AT&T Data Communications Serv 3356 1214 10929 423 Level 3 Communications, LLC 11492 1153 222 14 Cable One 22773 1123 2600 66 Cox Communications, Inc. 6478 1099 241 301 AT&T Worldnet Services
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 517 98 207 Evolva Telecom 35805 514 40 5 United Telecom AS 9116 508 296 30 Goldenlines main autonomous s 3292 451 1903 393 TDC Tele Danmark 3216 434 133 30 Teleross, Moscow, Russia 702 419 1837 337 UUNET - Commercial IP service 8551 392 354 41 Bezeq International 8866 383 110 23 Bulgarian Telecommunication C 3301 378 1412 306 TeliaNet Sweden 3320 361 7068 307 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 1570 2898 228 Uninet S.A. de C.V. 28573 1015 677 82 Types of queries are: POCs, o 10620 1005 224 131 TVCABLE BOGOTA 7303 666 351 96 Telecom Argentina Stet-France 22047 545 302 14 Types of queries are: POCs, o 11830 473 308 59 Instituto Costarricense de El 7738 453 858 29 Telecomunicacoes da Bahia S.A 6503 445 163 183 AVANTEL, S.A. 11172 445 99 70 Alestra 14117 437 29 11 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 1040 444 8 TEDATA 24863 715 143 53 LINKdotNET AS number 3741 268 856 228 The Internet Solution 2018 178 196 100 TENET-1 6713 177 167 12 Itissalat Al-MAGHRIB 29571 157 19 9 Ci Telecom Autonomous system 29975 134 506 15 Vodacom 33776 123 7 11 Starcomms Nigeria Limited 5536 121 8 18 Internet Egypt Network 5713 115 505 68 Telkom SA Ltd
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 4185 3891 301 bellsouth.net, inc. 4323 3777 1068 399 Time Warner Telecom 20115 2147 1488 664 Charter Communications 1785 1799 699 134 AppliedTheory Corporation 4766 1671 7509 462 Korea Telecom (KIX) 7018 1586 5783 1027 AT&T WorldNet Services 8151 1570 2898 228 Uninet S.A. de C.V. 17488 1460 144 142 Hathway IP Over Cable Interne 2386 1289 601 935 AT&T Data Communications Serv 4755 1285 289 145 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3777 3378 Time Warner Telecom 1785 1799 1665 AppliedTheory Corporation 20115 2147 1483 Charter Communications 8151 1570 1342 Uninet S.A. de C.V. 17488 1460 1318 Hathway IP Over Cable Interne 4766 1671 1209 Korea Telecom (KIX) 4755 1285 1140 Videsh Sanchar Nigam Ltd. Aut 11492 1153 1139 Cable One 22773 1123 1057 Cox Communications, Inc. 18566 1059 1049 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
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 /8:22 /9:10 /10:25 /11:65 /12:184 /13:386 /14:653 /15:1240 /16:10860 /17:5133 /18:8771 /19:18188 /20:21945 /21:21950 /22:28470 /23:28682 /24:162851 /25:743 /26:1031 /27:415 /28:487 /29:801 /30:687 /31:3 /32:367
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2728 4185 bellsouth.net, inc. 4323 2367 3777 Time Warner Telecom 4766 1314 1671 Korea Telecom (KIX) 1785 1266 1799 AppliedTheory Corporation 17488 1228 1460 Hathway IP Over Cable Interne 20115 1151 2147 Charter Communications 11492 1073 1153 Cable One 18566 1040 1059 Covad Communications 7018 958 1586 AT&T WorldNet Services 8452 936 1040 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:13 8:246 12:2031 13:9 15:22 16:3 17:8 20:37 24:1331 32:151 38:639 40:99 41:1877 44:3 46:1 47:30 52:6 55:2 56:2 57:36 58:641 59:664 60:445 61:1102 62:986 63:2024 64:3820 65:2374 66:4160 67:1844 68:1065 69:2844 70:686 71:245 72:1900 73:3 74:2086 75:233 76:363 77:871 78:610 79:411 80:972 81:819 82:506 83:449 84:524 85:1015 86:393 87:702 88:424 89:1573 90:61 91:2681 92:429 93:1143 94:1344 95:802 96:195 97:291 98:458 99:23 109:204 110:282 111:549 112:166 113:222 114:299 115:483 116:1120 117:592 118:385 119:814 120:148 121:840 122:1374 123:815 124:1023 125:1318 128:213 129:202 130:134 131:453 132:85 133:16 134:188 135:41 136:228 137:176 138:235 139:92 140:463 141:122 142:377 143:339 144:392 145:53 146:390 147:180 148:561 149:195 150:151 151:172 152:228 153:162 154:2 155:268 156:177 157:332 158:98 159:355 160:305 161:174 162:281 163:245 164:309 165:472 166:490 167:393 168:763 169:159 170:600 171:42 172:1 173:405 174:512 175:21 180:271 183:172 184:3 186:242 187:222 188:1115 189:666 190:3407 192:5748 193:4398 194:3402 195:2895 196:1190 198:3565 199:3400 200:5287 201:1493 202:8216 203:8290 204:3990 205:2176 206:2430 207:3072 208:3949 209:3444 210:2538 211:1183 212:1716 213:1667 214:250 215:56 216:4480 217:1399 218:482 219:485 220:1185 221:452 222:301
End of report
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Routing Analysis Role Account