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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Dec 4 21:34:27 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 05 Dec, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 305390 Prefixes after maximum aggregation: 142337 Deaggregation factor: 2.15 Unique aggregates announced to Internet: 150539 Total ASes present in the Internet Routing Table: 32849 Prefixes per ASN: 9.30 Origin-only ASes present in the Internet Routing Table: 28510 Origin ASes announcing only one prefix: 13915 Transit ASes present in the Internet Routing Table: 4339 Transit-only ASes present in the Internet Routing Table: 103 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: 1081 Unregistered ASNs in the Routing Table: 172 Number of 32-bit ASNs allocated by the RIRs: 342 Prefixes from 32-bit ASNs in the Routing Table: 281 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 174 Number of addresses announced to Internet: 2139389760 Equivalent to 127 /8s, 132 /16s and 127 /24s Percentage of available address space announced: 57.7 Percentage of allocated address space announced: 65.4 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.2 Total number of prefixes smaller than registry allocations: 146684 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 72874 Total APNIC prefixes after maximum aggregation: 25430 APNIC Deaggregation factor: 2.87 Prefixes being announced from the APNIC address blocks: 69560 Unique aggregates announced from the APNIC address blocks: 30973 APNIC Region origin ASes present in the Internet Routing Table: 3883 APNIC Prefixes per ASN: 17.91 APNIC Region origin ASes announcing only one prefix: 1057 APNIC Region transit ASes present in the Internet Routing Table: 601 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 483411744 Equivalent to 28 /8s, 208 /16s and 71 /24s Percentage of available APNIC address space announced: 80.0 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: 128363 Total ARIN prefixes after maximum aggregation: 67377 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 102877 Unique aggregates announced from the ARIN address blocks: 38831 ARIN Region origin ASes present in the Internet Routing Table: 13385 ARIN Prefixes per ASN: 7.69 ARIN Region origin ASes announcing only one prefix: 5182 ARIN Region transit ASes present in the Internet Routing Table: 1326 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 39 Number of ARIN addresses announced to Internet: 731875872 Equivalent to 43 /8s, 159 /16s and 138 /24s Percentage of available ARIN address space announced: 64.2 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: 70631 Total RIPE prefixes after maximum aggregation: 41162 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 63769 Unique aggregates announced from the RIPE address blocks: 42546 RIPE Region origin ASes present in the Internet Routing Table: 13833 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 7185 RIPE Region transit ASes present in the Internet Routing Table: 2094 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 405643136 Equivalent to 24 /8s, 45 /16s and 159 /24s Percentage of available RIPE address space announced: 75.6 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, 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: 26702 Total LACNIC prefixes after maximum aggregation: 6480 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 25010 Unique aggregates announced from the LACNIC address blocks: 13646 LACNIC Region origin ASes present in the Internet Routing Table: 1219 LACNIC Prefixes per ASN: 20.52 LACNIC Region origin ASes announcing only one prefix: 397 LACNIC Region transit ASes present in the Internet Routing Table: 203 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 68833280 Equivalent to 4 /8s, 26 /16s and 80 /24s Percentage of available LACNIC address space announced: 68.4 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: 5972 Total AfriNIC prefixes after maximum aggregation: 1567 AfriNIC Deaggregation factor: 3.81 Prefixes being announced from the AfriNIC address blocks: 4371 Unique aggregates announced from the AfriNIC address blocks: 1513 AfriNIC Region origin ASes present in the Internet Routing Table: 336 AfriNIC Prefixes per ASN: 13.01 AfriNIC Region origin ASes announcing only one prefix: 94 AfriNIC Region transit ASes present in the Internet Routing Table: 70 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 13172992 Equivalent to 0 /8s, 201 /16s and 1 /24s Percentage of available AfriNIC address space announced: 39.3 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 1750 7507 461 Korea Telecom (KIX) 17488 1458 143 132 Hathway IP Over Cable Interne 4755 1280 296 148 TATA Communications formerly 9583 1044 79 514 Sify Limited 4134 1015 19459 395 CHINANET-BACKBONE 18101 984 204 34 Reliance Infocom Ltd Internet 7545 918 198 97 TPG Internet Pty Ltd 17974 864 270 57 PT TELEKOMUNIKASI INDONESIA 9829 850 673 24 BSNL National Internet Backbo 24560 806 293 176 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 4235 3879 311 bellsouth.net, inc. 4323 3756 1068 399 Time Warner Telecom 1785 1779 715 136 PaeTec Communications, Inc. 7018 1590 5809 1032 AT&T WorldNet Services 20115 1526 1484 667 Charter Communications 2386 1292 632 933 AT&T Data Communications Serv 3356 1219 10966 439 Level 3 Communications, LLC 6478 1179 255 334 AT&T Worldnet Services 11492 1145 222 14 Cable One 22773 1125 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 516 98 207 Evolva Telecom 35805 475 40 5 United Telecom of Georgia 9198 471 138 12 Kazakhtelecom Data Network Ad 3292 449 1906 394 TDC Tele Danmark 702 416 1837 334 UUNET - Commercial IP service 8551 377 354 41 Bezeq International 8866 375 110 23 Bulgarian Telecommunication C 3320 359 7068 305 Deutsche Telekom AG 3215 349 3144 111 France Telecom Transpac 3301 347 1411 303 TeliaNet Sweden 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 1588 2899 231 UniNet S.A. de C.V. 10620 999 223 145 TVCABLE BOGOTA 28573 818 668 84 NET Servicos de Comunicao S.A 7303 665 351 96 Telecom Argentina Stet-France 22047 546 302 14 VTR PUNTO NET S.A. 11830 474 308 59 Instituto Costarricense de El 11172 446 99 70 Servicios Alestra S.A de C.V 14117 437 29 11 Telefonica del Sur S.A. 7738 431 858 29 Telecomunicacoes da Bahia S.A 3816 425 193 71 Empresa Nacional de Telecomun 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 1026 188 7 TEDATA 24863 756 128 63 LINKdotNET AS number 3741 273 857 233 The Internet Solution 2018 176 195 102 Tertiary Education Network 6713 175 167 12 Itissalat Al-MAGHRIB 29571 150 15 8 Ci Telecom Autonomous system 29975 134 506 15 Vodacom 33776 124 7 11 Starcomms Nigeria Limited 5536 121 8 18 Internet Egypt Network 5713 116 508 67 Telkom SA Ltd 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 4235 3879 311 bellsouth.net, inc. 4323 3756 1068 399 Time Warner Telecom 1785 1779 715 136 PaeTec Communications, Inc. 4766 1750 7507 461 Korea Telecom (KIX) 7018 1590 5809 1032 AT&T WorldNet Services 8151 1588 2899 231 UniNet S.A. de C.V. 20115 1526 1484 667 Charter Communications 17488 1458 143 132 Hathway IP Over Cable Interne 2386 1292 632 933 AT&T Data Communications Serv 4755 1280 296 148 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3756 3357 Time Warner Telecom 1785 1779 1643 PaeTec Communications, Inc. 8151 1588 1357 UniNet S.A. de C.V. 17488 1458 1326 Hathway IP Over Cable Interne 4766 1750 1289 Korea Telecom (KIX) 4755 1280 1132 TATA Communications formerly 11492 1145 1131 Cable One 22773 1125 1059 Cox Communications, Inc. 18566 1059 1049 Covad Communications 8452 1026 1019 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 /8:20 /9:10 /10:25 /11:65 /12:177 /13:353 /14:644 /15:1224 /16:10779 /17:5006 /18:8561 /19:17650 /20:21503 /21:21436 /22:27640 /23:27536 /24:159858 /25:930 /26:1135 /27:577 /28:234 /29:11 /30:8 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2772 4235 bellsouth.net, inc. 4323 2369 3756 Time Warner Telecom 4766 1430 1750 Korea Telecom (KIX) 1785 1244 1779 PaeTec Communications, Inc. 17488 1224 1458 Hathway IP Over Cable Interne 11492 1067 1145 Cable One 18566 1040 1059 Covad Communications 7018 955 1590 AT&T WorldNet Services 8452 924 1026 TEDATA 10620 905 999 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 2:1 4:13 8:234 12:2057 13:8 15:22 16:3 17:5 20:37 24:1282 32:49 34:2 38:625 40:98 41:1838 43:1 44:3 46:1 47:21 52:6 55:2 56:2 57:23 58:647 59:612 60:445 61:974 62:960 63:2009 64:3750 65:2369 66:4099 67:1775 68:1018 69:2810 70:687 71:232 72:1889 73:2 74:2021 75:190 76:357 77:848 78:601 79:399 80:950 81:810 82:469 83:448 84:529 85:1014 86:380 87:681 88:445 89:1507 90:59 91:2644 92:441 93:1157 94:1348 95:832 96:201 97:278 98:429 99:27 109:179 110:278 111:480 112:152 113:190 114:287 115:391 116:1089 117:588 118:366 119:802 120:143 121:698 122:1304 123:797 124:1024 125:1346 128:212 129:200 130:134 131:460 132:82 133:16 134:180 135:40 136:230 137:167 138:239 139:82 140:458 141:122 142:380 143:341 144:393 145:52 146:390 147:171 148:565 149:191 150:148 151:171 152:220 153:161 154:2 155:269 156:167 157:317 158:97 159:359 160:294 161:174 162:279 163:162 164:314 165:472 166:491 167:392 168:754 169:159 170:560 171:42 172:1 173:385 174:424 180:209 183:160 184:1 186:234 187:174 188:1379 189:650 190:3363 192:5733 193:4309 194:3363 195:2779 196:1184 198:3574 199:3380 200:5241 201:1420 202:7924 203:8291 204:3981 205:2149 206:2411 207:3049 208:3967 209:3390 210:2548 211:1144 212:1632 213:1632 214:246 215:57 216:4422 217:1364 218:479 219:422 220:1138 221:448 222:301 End of report
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