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Routing Table Report 08:00 +10GMT Fri 29 Oct, 2010
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 329630 Prefixes after maximum aggregation: 151805 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 164633 Total ASes present in the Internet Routing Table: 34932 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 30254 Origin ASes announcing only one prefix: 14792 Transit ASes present in the Internet Routing Table: 4678 Transit-only ASes present in the Internet Routing Table: 99 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: 307 Unregistered ASNs in the Routing Table: 117 Number of 32-bit ASNs allocated by the RIRs: 851 Prefixes from 32-bit ASNs in the Routing Table: 1225 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 201 Number of addresses announced to Internet: 2544995584 Equivalent to 151 /8s, 177 /16s and 141 /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: 85.6 Total number of prefixes smaller than registry allocations: 134053
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 78189 Total APNIC prefixes after maximum aggregation: 26892 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 75872 Unique aggregates announced from the APNIC address blocks: 34502 APNIC Region origin ASes present in the Internet Routing Table: 4143 APNIC Prefixes per ASN: 18.31 APNIC Region origin ASes announcing only one prefix: 1185 APNIC Region transit ASes present in the Internet Routing Table: 630 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 560393472 Equivalent to 33 /8s, 102 /16s and 237 /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: 134679 Total ARIN prefixes after maximum aggregation: 69701 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107755 Unique aggregates announced from the ARIN address blocks: 43582 ARIN Region origin ASes present in the Internet Routing Table: 13910 ARIN Prefixes per ASN: 7.75 ARIN Region origin ASes announcing only one prefix: 5357 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: 738338304 Equivalent to 44 /8s, 2 /16s and 38 /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: 77620 Total RIPE prefixes after maximum aggregation: 44699 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 71054 Unique aggregates announced from the RIPE address blocks: 46405 RIPE Region origin ASes present in the Internet Routing Table: 14942 RIPE Prefixes per ASN: 4.76 RIPE Region origin ASes announcing only one prefix: 7692 RIPE Region transit ASes present in the Internet Routing Table: 2287 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 442868224 Equivalent to 26 /8s, 101 /16s and 162 /24s Percentage of available RIPE address space announced: 77.6
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: 29709 Total LACNIC prefixes after maximum aggregation: 7130 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 28540 Unique aggregates announced from the LACNIC address blocks: 15295 LACNIC Region origin ASes present in the Internet Routing Table: 1361 LACNIC Prefixes per ASN: 20.97 LACNIC Region origin ASes announcing only one prefix: 431 LACNIC Region transit ASes present in the Internet Routing Table: 230 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76686080 Equivalent to 4 /8s, 146 /16s and 35 /24s Percentage of available LACNIC address space announced: 57.1
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: 7531 Total AfriNIC prefixes after maximum aggregation: 1880 AfriNIC Deaggregation factor: 4.01 Prefixes being announced from the AfriNIC address blocks: 5841 Unique aggregates announced from the AfriNIC address blocks: 1705 AfriNIC Region origin ASes present in the Internet Routing Table: 413 AfriNIC Prefixes per ASN: 14.14 AfriNIC Region origin ASes announcing only one prefix: 127 AfriNIC Region transit ASes present in the Internet Routing Table: 89 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 21437952 Equivalent to 1 /8s, 71 /16s and 30 /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 1424 299 78 TPG Internet Pty Ltd 4755 1379 378 157 TATA Communications formerly 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1274 303 80 PT TELEKOMUNIKASI INDONESIA 24560 1053 309 173 Bharti Airtel Ltd., Telemedia 9583 1038 77 499 Sify Limited 18101 893 116 133 Reliance Infocom Ltd Internet 4808 882 1620 245 CNCGROUP IP network: China169 9829 826 694 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 3760 3666 279 bellsouth.net, inc. 4323 2601 1108 390 Time Warner Telecom 1785 1799 698 130 PaeTec Communications, Inc. 19262 1776 4817 278 Verizon Global Networks 20115 1507 1528 644 Charter Communications 7018 1442 9821 929 AT&T WorldNet Services 6478 1398 280 71 AT&T Worldnet Services 2386 1315 556 930 AT&T Data Communications Serv 11492 1237 231 74 Cable One 22773 1224 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 423 133 26 Bulgarian Telecommunication C 702 404 1869 318 UUNET - Commercial IP service 8551 404 355 38 Bezeq International 34984 381 91 188 BILISIM TELEKOM 3301 379 1688 335 TeliaNet Sweden 3320 377 7332 330 Deutsche Telekom AG 30890 375 80 205 Evolva Telecom 12479 366 576 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 1206 2581 362 UniNet S.A. de C.V. 28573 1183 928 84 NET Servicos de Comunicao S.A 7303 805 440 96 Telecom Argentina Stet-France 6503 784 225 259 AVANTEL, S.A. 22047 564 310 15 VTR PUNTO NET S.A. 14420 549 40 77 ANDINATEL S.A. 3816 484 210 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 1112 445 10 TEDATA 24863 741 147 37 LINKdotNET AS number 36992 643 278 160 Etisalat MISR 3741 268 907 225 The Internet Solution 24835 209 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 154 439 91 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 3760 3666 279 bellsouth.net, inc. 4323 2601 1108 390 Time Warner Telecom 1785 1799 698 130 PaeTec Communications, Inc. 19262 1776 4817 278 Verizon Global Networks 4766 1722 9453 509 Korea Telecom (KIX) 20115 1507 1528 644 Charter Communications 7018 1442 9821 929 AT&T WorldNet Services 7545 1424 299 78 TPG Internet Pty Ltd 6478 1398 280 71 AT&T Worldnet Services 4755 1379 378 157 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 2601 2211 Time Warner Telecom 1785 1799 1669 PaeTec Communications, Inc. 19262 1776 1498 Verizon Global Networks 7545 1424 1346 TPG Internet Pty Ltd 6478 1398 1327 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4755 1379 1222 TATA Communications formerly 4766 1722 1213 Korea Telecom (KIX) 17974 1274 1194 PT TELEKOMUNIKASI INDONESIA 10620 1330 1175 TVCABLE BOGOTA
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 36.0.0.0/8 237 Merit Network 41.78.192.0/22 30999 Emtel is GSM, 3G and ISP in M 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 42.0.0.0/8 237 Merit Network 46.18.88.0/22 50535 EUSKILL SARL 46.36.128.0/22 39824 JSC AlmaTV
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 /15:1346 /16:11329 /17:5509 /18:9340 /19:18668 /20:23862 /21:23725 /22:31208 /23:30388 /24:172312 /25:11 /26:19 /27:26 /28:150 /29:93 /30:37 /31:0 /32:100
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2324 3760 bellsouth.net, inc. 4323 1398 2601 Time Warner Telecom 6478 1360 1398 AT&T Worldnet Services 10620 1222 1330 TVCABLE BOGOTA 11492 1194 1237 Cable One 1785 1078 1799 PaeTec Communications, Inc. 7011 1059 1160 Citizens Utilities 18566 1040 1059 Covad Communications 8452 1008 1112 TEDATA 19262 903 1776 Verizon Global Networks
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:92 2:13 4:13 5:1 8:313 12:1995 13:8 14:29 15:18 16:3 17:8 20:9 24:1387 27:385 31:1 32:59 33:11 38:692 40:101 41:2606 44:3 46:198 47:10 49:4 50:3 52:12 55:5 56:2 57:27 58:741 59:499 60:477 61:1001 62:1004 63:1959 64:3720 65:2344 66:4058 67:1808 68:1118 69:2869 70:746 71:376 72:1895 73:2 74:2334 75:294 76:320 77:854 78:674 79:443 80:1059 81:794 82:516 83:454 84:685 85:1023 86:482 87:705 88:329 89:1574 90:109 91:3137 92:439 93:984 94:1121 95:701 96:391 97:223 98:630 99:32 101:3 108:64 109:722 110:427 111:622 112:301 113:302 114:453 115:609 116:1133 117:651 118:545 119:973 120:155 121:692 122:1549 123:948 124:1212 125:1240 128:177 129:146 130:164 131:561 132:271 133:20 134:199 135:46 136:209 137:139 138:278 139:107 140:453 141:198 142:332 143:352 144:491 145:55 146:427 147:174 148:600 149:307 150:146 151:231 152:290 153:175 154:2 155:362 156:163 157:310 158:111 159:359 160:312 161:190 162:272 163:154 164:424 165:339 166:469 167:426 168:661 169:154 170:709 171:62 172:2 173:1072 174:484 175:239 176:1 178:561 180:677 182:229 183:239 184:150 186:749 187:559 188:857 189:802 190:4129 192:5714 193:4745 194:3441 195:2828 196:1194 198:3452 199:3599 200:5370 201:1583 202:7800 203:8126 204:3942 205:2314 206:2483 207:2929 208:3895 209:3430 210:2495 211:1270 212:1818 213:1729 214:679 215:66 216:4738 217:1574 218:479 219:397 220:1172 221:376 222:314 223:50
End of report
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