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Routing Table Report 08:00 +10GMT Mon 01 Nov, 2010
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 330158 Prefixes after maximum aggregation: 151899 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 164814 Total ASes present in the Internet Routing Table: 34944 Prefixes per ASN: 9.45 Origin-only ASes present in the Internet Routing Table: 30265 Origin ASes announcing only one prefix: 14784 Transit ASes present in the Internet Routing Table: 4679 Transit-only ASes present in the Internet Routing Table: 102 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 310 Unregistered ASNs in the Routing Table: 118 Number of 32-bit ASNs allocated by the RIRs: 862 Prefixes from 32-bit ASNs in the Routing Table: 1235 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 186 Number of addresses announced to Internet: 2545295360 Equivalent to 151 /8s, 182 /16s and 32 /24s Percentage of available address space announced: 68.7 Percentage of allocated address space announced: 72.6 Percentage of available address space allocated: 94.6 Percentage of address space in use by end-sites: 85.7 Total number of prefixes smaller than registry allocations: 134190
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 78535 Total APNIC prefixes after maximum aggregation: 26939 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 76200 Unique aggregates announced from the APNIC address blocks: 34537 APNIC Region origin ASes present in the Internet Routing Table: 4165 APNIC Prefixes per ASN: 18.30 APNIC Region origin ASes announcing only one prefix: 1190 APNIC Region transit ASes present in the Internet Routing Table: 632 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 560539136 Equivalent to 33 /8s, 105 /16s and 38 /24s Percentage of available APNIC address space announced: 75.9
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, 36/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 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: 134689 Total ARIN prefixes after maximum aggregation: 69763 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107769 Unique aggregates announced from the ARIN address blocks: 43617 ARIN Region origin ASes present in the Internet Routing Table: 13913 ARIN Prefixes per ASN: 7.75 ARIN Region origin ASes announcing only one prefix: 5355 ARIN Region transit ASes present in the Internet Routing Table: 1379 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 738294528 Equivalent to 44 /8s, 1 /16s and 123 /24s Percentage of available ARIN address space announced: 62.9
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: 77672 Total RIPE prefixes after maximum aggregation: 44660 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 71166 Unique aggregates announced from the RIPE address blocks: 46456 RIPE Region origin ASes present in the Internet Routing Table: 14922 RIPE Prefixes per ASN: 4.77 RIPE Region origin ASes announcing only one prefix: 7680 RIPE Region transit ASes present in the Internet Routing Table: 2282 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 442972672 Equivalent to 26 /8s, 103 /16s and 58 /24s Percentage of available RIPE address space announced: 77.7
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: 29788 Total LACNIC prefixes after maximum aggregation: 7141 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 28623 Unique aggregates announced from the LACNIC address blocks: 15359 LACNIC Region origin ASes present in the Internet Routing Table: 1366 LACNIC Prefixes per ASN: 20.95 LACNIC Region origin ASes announcing only one prefix: 432 LACNIC Region transit ASes present in the Internet Routing Table: 232 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76745984 Equivalent to 4 /8s, 147 /16s and 13 /24s Percentage of available LACNIC address space announced: 57.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 7572 Total AfriNIC prefixes after maximum aggregation: 1879 AfriNIC Deaggregation factor: 4.03 Prefixes being announced from the AfriNIC address blocks: 5866 Unique aggregates announced from the AfriNIC address blocks: 1718 AfriNIC Region origin ASes present in the Internet Routing Table: 412 AfriNIC Prefixes per ASN: 14.24 AfriNIC Region origin ASes announcing only one prefix: 127 AfriNIC Region transit ASes present in the Internet Routing Table: 86 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 21450496 Equivalent to 1 /8s, 71 /16s and 79 /24s Percentage of available AfriNIC address space announced: 63.9
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 1722 9453 509 Korea Telecom (KIX) 7545 1419 299 78 TPG Internet Pty Ltd 4755 1378 378 156 TATA Communications formerly 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1252 302 84 PT TELEKOMUNIKASI INDONESIA 24560 1054 309 173 Bharti Airtel Ltd., Telemedia 9583 1032 76 491 Sify Limited 18101 894 116 133 Reliance Infocom Ltd Internet 4808 883 1620 245 CNCGROUP IP network: China169 9829 825 694 27 BSNL National Internet Backbo
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3761 3667 280 bellsouth.net, inc. 4323 2612 1110 393 Time Warner Telecom 1785 1795 698 130 PaeTec Communications, Inc. 19262 1775 4817 277 Verizon Global Networks 20115 1498 1500 643 Charter Communications 7018 1429 9804 920 AT&T WorldNet Services 6478 1398 280 76 AT&T Worldnet Services 2386 1314 556 929 AT&T Data Communications Serv 11492 1237 231 74 Cable One 22773 1226 2859 62 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 9116 540 328 33 Goldenlines main autonomous s 3292 448 2028 392 TDC Tele Danmark 8866 426 133 25 Bulgarian Telecommunication C 702 404 1869 318 UUNET - Commercial IP service 8551 404 355 38 Bezeq International 34984 381 91 188 BILISIM TELEKOM 3301 380 1696 336 TeliaNet Sweden 3320 377 7332 330 Deutsche Telekom AG 30890 375 80 206 Evolva Telecom 12479 365 576 5 Uni2 Autonomous System
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 10620 1330 248 155 TVCABLE BOGOTA 8151 1204 2581 364 UniNet S.A. de C.V. 28573 1187 928 84 NET Servicos de Comunicao S.A 7303 803 440 95 Telecom Argentina Stet-France 6503 784 225 258 AVANTEL, S.A. 22047 564 310 15 VTR PUNTO NET S.A. 14420 559 44 80 ANDINATEL S.A. 3816 485 210 97 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 448 32 27 Telefonica del Sur S.A.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1111 445 10 TEDATA 24863 741 147 37 LINKdotNET AS number 36992 644 278 160 Etisalat MISR 3741 268 907 225 The Internet Solution 24835 210 78 10 RAYA Telecom - Egypt 6713 203 199 12 Itissalat Al-MAGHRIB 29571 203 19 11 Ci Telecom Autonomous system 2018 197 277 64 Tertiary Education Network 33776 196 12 14 Starcomms Nigeria Limited 16637 155 441 92 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3761 3667 280 bellsouth.net, inc. 4323 2612 1110 393 Time Warner Telecom 1785 1795 698 130 PaeTec Communications, Inc. 19262 1775 4817 277 Verizon Global Networks 4766 1722 9453 509 Korea Telecom (KIX) 20115 1498 1500 643 Charter Communications 7018 1429 9804 920 AT&T WorldNet Services 7545 1419 299 78 TPG Internet Pty Ltd 6478 1398 280 76 AT&T Worldnet Services 4755 1378 378 156 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 2612 2219 Time Warner Telecom 1785 1795 1665 PaeTec Communications, Inc. 19262 1775 1498 Verizon Global Networks 7545 1419 1341 TPG Internet Pty Ltd 6478 1398 1322 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4755 1378 1222 TATA Communications formerly 4766 1722 1213 Korea Telecom (KIX) 10620 1330 1175 TVCABLE BOGOTA 17974 1252 1168 PT TELEKOMUNIKASI INDONESIA
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65333 PRIVATE 5.0.0.0/8 0 * 65333 PRIVATE 10.0.0.0/8 0 * 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 4323 Time Warner Telecom 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
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 36.0.0.0/8 38639 NTT Communications Corporatio 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 42.0.0.0/8 38639 NTT Communications Corporatio 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.21.192.0/20 11610 Internet Nebraska Corporation
Complete listing at http://thyme.rand.apnic.net/london/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 /8:34 /9:10 /10:25 /11:68 /12:207 /13:419 /14:744 /15:1345 /16:11334 /17:5508 /18:9347 /19:18674 /20:23896 /21:23757 /22:31320 /23:30423 /24:172621 /25:11 /26:19 /27:26 /28:146 /29:92 /30:37 /31:0 /32:95
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2325 3761 bellsouth.net, inc. 4323 1403 2612 Time Warner Telecom 6478 1360 1398 AT&T Worldnet Services 10620 1222 1330 TVCABLE BOGOTA 11492 1194 1237 Cable One 1785 1074 1795 PaeTec Communications, Inc. 7011 1059 1160 Citizens Utilities 18566 1040 1059 Covad Communications 8452 1009 1111 TEDATA 19262 902 1775 Verizon Global Networks
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:91 2:14 4:13 8:311 12:1990 13:8 14:38 15:18 16:3 17:8 20:9 24:1402 27:408 31:1 32:59 33:11 38:693 40:101 41:2609 44:3 46:199 47:10 49:4 50:3 52:12 55:6 56:2 57:27 58:740 59:499 60:477 61:1002 62:1008 63:1961 64:3726 65:2341 66:4061 67:1809 68:1116 69:2860 70:750 71:376 72:1895 73:2 74:2318 75:294 76:326 77:854 78:681 79:444 80:1056 81:795 82:518 83:455 84:680 85:1024 86:482 87:705 88:331 89:1572 90:109 91:3135 92:440 93:984 94:1122 95:705 96:391 97:222 98:631 99:32 101:3 108:64 109:725 110:418 111:616 112:301 113:304 114:453 115:606 116:1122 117:651 118:547 119:982 120:158 121:694 122:1552 123:947 124:1211 125:1240 128:177 129:146 130:163 131:548 132:270 133:20 134:199 135:45 136:208 137:139 138:278 139:108 140:454 141:198 142:332 143:357 144:488 145:55 146:427 147:173 148:599 149:301 150:146 151:231 152:290 153:175 154:2 155:362 156:159 157:310 158:112 159:359 160:312 161:190 162:274 163:154 164:426 165:347 166:470 167:426 168:661 169:154 170:711 171:62 172:2 173:1077 174:469 175:239 176:1 178:559 180:680 182:223 183:240 184:160 186:750 187:563 188:857 189:802 190:4168 192:5715 193:4749 194:3442 195:2840 196:1193 198:3447 199:3592 200:5379 201:1582 202:7960 203:8181 204:3945 205:2303 206:2486 207:2936 208:3879 209:3427 210:2511 211:1271 212:1823 213:1729 214:683 215:66 216:4726 217:1578 218:477 219:397 220:1177 221:383 222:310 223:50
End of report
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