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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 13 19:34:33 CET 2009
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 14 Nov, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 302501 Prefixes after maximum aggregation: 141653 Deaggregation factor: 2.14 Unique aggregates announced to Internet: 149678 Total ASes present in the Internet Routing Table: 32670 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 28386 Origin ASes announcing only one prefix: 13852 Transit ASes present in the Internet Routing Table: 4284 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: 39 Max AS path prepend of ASN (22394) 36 Prefixes from unregistered ASNs in the Routing Table: 635 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 317 Prefixes from 32-bit ASNs in the Routing Table: 263 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 177 Number of addresses announced to Internet: 2116745984 Equivalent to 126 /8s, 42 /16s and 251 /24s Percentage of available address space announced: 57.1 Percentage of allocated address space announced: 64.7 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.0 Total number of prefixes smaller than registry allocations: 145338 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 72284 Total APNIC prefixes after maximum aggregation: 25310 APNIC Deaggregation factor: 2.86 Prefixes being announced from the APNIC address blocks: 68830 Unique aggregates announced from the APNIC address blocks: 30438 APNIC Region origin ASes present in the Internet Routing Table: 3858 APNIC Prefixes per ASN: 17.84 APNIC Region origin ASes announcing only one prefix: 1046 APNIC Region transit ASes present in the Internet Routing Table: 597 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 470486048 Equivalent to 28 /8s, 11 /16s and 12 /24s Percentage of available APNIC address space announced: 80.1 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: 127674 Total ARIN prefixes after maximum aggregation: 67188 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 102073 Unique aggregates announced from the ARIN address blocks: 38770 ARIN Region origin ASes present in the Internet Routing Table: 13337 ARIN Prefixes per ASN: 7.65 ARIN Region origin ASes announcing only one prefix: 5169 ARIN Region transit ASes present in the Internet Routing Table: 1313 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 39 Number of ARIN addresses announced to Internet: 714745632 Equivalent to 42 /8s, 154 /16s and 39 /24s Percentage of available ARIN address space announced: 62.7 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: 69750 Total RIPE prefixes after maximum aggregation: 40882 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 63032 Unique aggregates announced from the RIPE address blocks: 42158 RIPE Region origin ASes present in the Internet Routing Table: 13751 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 7150 RIPE Region transit ASes present in the Internet Routing Table: 2064 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 404254144 Equivalent to 24 /8s, 24 /16s and 109 /24s Percentage of available RIPE address space announced: 75.3 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: 26248 Total LACNIC prefixes after maximum aggregation: 6386 LACNIC Deaggregation factor: 4.11 Prefixes being announced from the LACNIC address blocks: 24557 Unique aggregates announced from the LACNIC address blocks: 13594 LACNIC Region origin ASes present in the Internet Routing Table: 1205 LACNIC Prefixes per ASN: 20.38 LACNIC Region origin ASes announcing only one prefix: 387 LACNIC Region transit ASes present in the Internet Routing Table: 200 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 30 Number of LACNIC addresses announced to Internet: 68200192 Equivalent to 4 /8s, 16 /16s and 167 /24s Percentage of available LACNIC address space announced: 67.8 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: 6052 Total AfriNIC prefixes after maximum aggregation: 1588 AfriNIC Deaggregation factor: 3.81 Prefixes being announced from the AfriNIC address blocks: 4414 Unique aggregates announced from the AfriNIC address blocks: 1583 AfriNIC Region origin ASes present in the Internet Routing Table: 333 AfriNIC Prefixes per ASN: 13.26 AfriNIC Region origin ASes announcing only one prefix: 100 AfriNIC Region transit ASes present in the Internet Routing Table: 69 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 13027584 Equivalent to 0 /8s, 198 /16s and 201 /24s Percentage of available AfriNIC address space announced: 38.8 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 1770 7505 456 Korea Telecom (KIX) 17488 1477 142 125 Hathway IP Over Cable Interne 4755 1277 292 148 TATA Communications formerly 9583 1045 81 515 Sify Limited 4134 1007 19185 393 CHINANET-BACKBONE 18101 982 204 33 Reliance Infocom Ltd Internet 7545 900 199 100 TPG Internet Pty Ltd 9829 853 665 21 BSNL National Internet Backbo 17974 836 252 103 PT TELEKOMUNIKASI INDONESIA 24560 797 292 172 Bharti Airtel Ltd., Telemedia Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4257 3883 315 bellsouth.net, inc. 4323 3733 1054 399 Time Warner Telecom 1785 1787 715 140 PaeTec Communications, Inc. 7018 1586 5839 1039 AT&T WorldNet Services 20115 1515 1481 675 Charter Communications 6478 1312 270 415 AT&T Worldnet Services 2386 1307 638 943 AT&T Data Communications Serv 3356 1218 10966 442 Level 3 Communications, LLC 11492 1145 222 14 Cable One 22773 1118 2600 66 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 30890 515 98 208 Evolva Telecom 3292 445 1905 390 TDC Tele Danmark 35805 436 40 5 United Telecom of Georgia 702 416 1822 335 UUNET - Commercial IP service 9198 404 138 12 Kazakhtelecom Data Network Ad 8866 364 110 23 Bulgarian Telecommunication C 3320 358 7068 305 Deutsche Telekom AG 3215 349 3144 111 France Telecom Transpac 3301 347 1412 302 TeliaNet Sweden 8551 316 294 40 Bezeq International Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1569 2899 230 UniNet S.A. de C.V. 10620 1030 228 102 TVCABLE BOGOTA 28573 803 664 89 NET Servicos de Comunicao S.A 7303 663 349 95 Telecom Argentina Stet-France 22047 546 302 14 VTR PUNTO NET S.A. 11830 473 308 59 Instituto Costarricense de El 11172 444 99 70 Servicios Alestra S.A de C.V 14117 437 29 11 Telefonica del Sur S.A. 7738 430 858 29 Telecomunicacoes da Bahia S.A 6471 422 96 31 ENTEL CHILE S.A. Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1044 188 7 TEDATA 24863 943 98 72 LINKdotNET AS number 3741 274 857 234 The Internet Solution 2018 191 188 118 Tertiary Education Network 6713 176 167 12 Itissalat Al-MAGHRIB 29571 128 15 8 Ci Telecom Autonomous system 33776 124 7 11 Starcomms Nigeria Limited 5536 122 8 13 Internet Egypt Network 5713 116 508 67 Telkom SA Ltd 20858 109 34 6 EgyNet Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4257 3883 315 bellsouth.net, inc. 4323 3733 1054 399 Time Warner Telecom 1785 1787 715 140 PaeTec Communications, Inc. 4766 1770 7505 456 Korea Telecom (KIX) 7018 1586 5839 1039 AT&T WorldNet Services 8151 1569 2899 230 UniNet S.A. de C.V. 20115 1515 1481 675 Charter Communications 17488 1477 142 125 Hathway IP Over Cable Interne 6478 1312 270 415 AT&T Worldnet Services 2386 1307 638 943 AT&T Data Communications Serv Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3733 3334 Time Warner Telecom 1785 1787 1647 PaeTec Communications, Inc. 17488 1477 1352 Hathway IP Over Cable Interne 8151 1569 1339 UniNet S.A. de C.V. 4766 1770 1314 Korea Telecom (KIX) 11492 1145 1131 Cable One 4755 1277 1129 TATA Communications formerly 22773 1118 1052 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1044 1037 TEDATA Complete listing at http://thyme.apnic.net/current/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/current/data-badAS 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/current/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 /10:25 /11:65 /12:177 /13:361 /14:640 /15:1220 /16:10741 /17:4960 /18:8511 /19:17574 /20:21253 /21:21202 /22:27534 /23:27360 /24:157968 /25:944 /26:1126 /27:565 /28:219 /29:11 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2782 4257 bellsouth.net, inc. 4323 2357 3733 Time Warner Telecom 4766 1435 1770 Korea Telecom (KIX) 17488 1254 1477 Hathway IP Over Cable Interne 1785 1251 1787 PaeTec Communications, Inc. 11492 1068 1145 Cable One 18566 1040 1059 Covad Communications 7018 947 1586 AT&T WorldNet Services 8452 944 1044 TEDATA 10620 935 1030 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:14 8:233 12:2134 13:8 15:22 16:3 17:5 20:36 24:1251 32:49 34:2 38:612 40:99 41:1795 43:1 44:2 46:1 47:21 52:6 55:2 56:2 57:23 58:628 59:610 60:443 61:992 62:948 63:1994 64:3656 65:2363 66:4091 67:1755 68:995 69:2795 70:588 71:156 72:1748 73:2 74:1989 75:183 76:352 77:842 78:569 79:376 80:940 81:814 82:472 83:441 84:529 85:1016 86:382 87:697 88:425 89:1500 90:63 91:2645 92:424 93:1158 94:1297 95:825 96:200 97:273 98:412 99:31 109:160 110:270 111:460 112:146 113:174 114:285 115:355 116:1123 117:596 118:349 119:785 120:127 121:703 122:1304 123:777 124:1059 125:1350 128:222 129:218 130:133 131:425 132:75 133:16 134:186 135:43 136:233 137:166 138:180 139:84 140:441 141:122 142:387 143:343 144:365 145:49 146:395 147:171 148:559 149:196 150:150 151:172 152:216 153:160 154:2 155:274 156:167 157:313 158:95 159:360 160:293 161:173 162:274 163:159 164:278 165:468 166:490 167:390 168:750 169:160 170:554 171:43 172:1 173:391 174:392 178:1 180:174 184:1 186:157 187:190 188:1281 189:628 190:3250 192:5738 193:4282 194:3340 195:2730 196:1154 198:3566 199:3373 200:5206 201:1390 202:7901 203:8241 204:3937 205:2159 206:2403 207:3011 208:3975 209:3436 210:2541 211:1149 212:1652 213:1621 214:189 215:40 216:4416 217:1343 218:475 219:424 220:1140 221:452 222:304 End of report
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