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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 15 20:15:49 CEST 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 16 May, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 288509 Prefixes after maximum aggregation: 136412 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 141329 Total ASes present in the Internet Routing Table: 31265 Prefixes per ASN: 9.23 Origin-only ASes present in the Internet Routing Table: 27181 Origin ASes announcing only one prefix: 13271 Transit ASes present in the Internet Routing Table: 4084 Transit-only ASes present in the Internet Routing Table: 93 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 33 Max AS path prepend of ASN (43683) 31 Prefixes from unregistered ASNs in the Routing Table: 464 Unregistered ASNs in the Routing Table: 151 Number of 32-bit ASNs allocated by the RIRs: 144 Prefixes from 32-bit ASNs in the Routing Table: 33 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 217 Number of addresses announced to Internet: 2045653328 Equivalent to 121 /8s, 238 /16s and 49 /24s Percentage of available address space announced: 55.2 Percentage of allocated address space announced: 63.9 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 77.0 Total number of prefixes smaller than registry allocations: 142688 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 67654 Total APNIC prefixes after maximum aggregation: 24179 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 64332 Unique aggregates announced from the APNIC address blocks: 29021 APNIC Region origin ASes present in the Internet Routing Table: 3628 APNIC Prefixes per ASN: 17.73 APNIC Region origin ASes announcing only one prefix: 990 APNIC Region transit ASes present in the Internet Routing Table: 559 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 413775280 Equivalent to 24 /8s, 169 /16s and 181 /24s Percentage of available APNIC address space announced: 77.1 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 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, 180/8, 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: 125540 Total ARIN prefixes after maximum aggregation: 66187 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 94652 Unique aggregates announced from the ARIN address blocks: 36596 ARIN Region origin ASes present in the Internet Routing Table: 12997 ARIN Prefixes per ASN: 7.28 ARIN Region origin ASes announcing only one prefix: 5002 ARIN Region transit ASes present in the Internet Routing Table: 1272 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 428644608 Equivalent to 25 /8s, 140 /16s and 153 /24s Percentage of available ARIN address space announced: 82.4 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 ARIN Address Blocks 24/8, 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, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 66135 Total RIPE prefixes after maximum aggregation: 38352 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 60448 Unique aggregates announced from the RIPE address blocks: 40229 RIPE Region origin ASes present in the Internet Routing Table: 13009 RIPE Prefixes per ASN: 4.65 RIPE Region origin ASes announcing only one prefix: 6825 RIPE Region transit ASes present in the Internet Routing Table: 1961 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 393701408 Equivalent to 23 /8s, 119 /16s and 104 /24s Percentage of available RIPE address space announced: 83.8 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 RIPE Address Blocks 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: 23824 Total LACNIC prefixes after maximum aggregation: 5887 LACNIC Deaggregation factor: 4.05 Prefixes being announced from the LACNIC address blocks: 21985 Unique aggregates announced from the LACNIC address blocks: 12186 LACNIC Region origin ASes present in the Internet Routing Table: 1107 LACNIC Prefixes per ASN: 19.86 LACNIC Region origin ASes announcing only one prefix: 362 LACNIC Region transit ASes present in the Internet Routing Table: 187 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 63251840 Equivalent to 3 /8s, 197 /16s and 37 /24s Percentage of available LACNIC address space announced: 62.8 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 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: 4925 Total AfriNIC prefixes after maximum aggregation: 1468 AfriNIC Deaggregation factor: 3.35 Prefixes being announced from the AfriNIC address blocks: 4540 Unique aggregates announced from the AfriNIC address blocks: 1384 AfriNIC Region origin ASes present in the Internet Routing Table: 299 AfriNIC Prefixes per ASN: 15.18 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 60 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 11359232 Equivalent to 0 /8s, 173 /16s and 84 /24s Percentage of available AfriNIC address space announced: 33.9 AfriNIC AS Blocks 36864-37887 & 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 1698 6930 403 Korea Telecom (KIX) 17488 1584 128 104 Hathway IP Over Cable Interne 4755 1247 466 128 TATA Communications formerly 9583 1079 86 541 Sify Limited 4134 887 16660 372 CHINANET-BACKBONE 23577 780 34 662 Korea Telecom (ATM-MPLS) 7545 772 198 103 TPG Internet Pty Ltd 18101 754 217 32 Reliance Infocom Ltd Internet 24560 689 229 179 Bharti Airtel Ltd. 9829 670 561 14 BSNL National Internet Backbo 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 4296 3647 324 bellsouth.net, inc. 209 2560 4149 607 Qwest 4323 1848 1035 373 Time Warner Telecom 1785 1759 717 139 PaeTec Communications, Inc. 20115 1627 1444 720 Charter Communications 7018 1490 5914 1024 AT&T WorldNet Services 6478 1404 310 400 AT&T Worldnet Services 2386 1262 697 915 AT&T Data Communications Serv 3356 1224 10981 461 Level 3 Communications, LLC 11492 1099 192 11 Cable One 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 8452 1200 188 7 TEDATA 30890 542 88 201 Evolva Telecom 3292 455 1893 393 TDC Tele Danmark 12479 449 578 6 Uni2 Autonomous System 8866 382 110 24 Bulgarian Telecommunication C 3320 349 7082 300 Deutsche Telekom AG 3215 343 3041 108 France Telecom Transpac 3301 340 1668 304 TeliaNet Sweden 35805 328 24 4 United Telecom of Georgia 29049 316 26 3 AzerSat LLC. 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 1449 2862 231 UniNet S.A. de C.V. 10620 906 207 108 TVCABLE BOGOTA 22047 610 302 14 VTR PUNTO NET S.A. 7303 529 274 75 Telecom Argentina Stet-France 11830 516 294 34 Instituto Costarricense de El 28573 464 562 26 NET Servicos de Comunicao S.A 6471 443 96 32 ENTEL CHILE S.A. 11172 443 102 72 Servicios Alestra S.A de C.V 7738 397 794 28 Telecomunicacoes da Bahia S.A 3816 351 163 74 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 24863 860 79 37 LINKdotNET AS number 20858 308 34 5 This AS will be used to conne 3741 278 860 238 The Internet Solution 2018 243 215 143 Tertiary Education Network 6713 160 151 12 Itissalat Al-MAGHRIB 29571 139 15 9 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 33776 116 6 7 Starcomms Nigeria Limited 5713 113 507 64 Telkom SA Ltd 24835 107 46 9 RAYA Telecom - Egypt 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 4296 3647 324 bellsouth.net, inc. 209 2560 4149 607 Qwest 4323 1848 1035 373 Time Warner Telecom 1785 1759 717 139 PaeTec Communications, Inc. 4766 1698 6930 403 Korea Telecom (KIX) 20115 1627 1444 720 Charter Communications 17488 1584 128 104 Hathway IP Over Cable Interne 7018 1490 5914 1024 AT&T WorldNet Services 8151 1449 2862 231 UniNet S.A. de C.V. 6478 1404 310 400 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2560 1953 Qwest 1785 1759 1620 PaeTec Communications, Inc. 17488 1584 1480 Hathway IP Over Cable Interne 4323 1848 1475 Time Warner Telecom 4766 1698 1295 Korea Telecom (KIX) 8151 1449 1218 UniNet S.A. de C.V. 8452 1200 1193 TEDATA 4755 1247 1119 TATA Communications formerly 11492 1099 1088 Cable One 18566 1062 1052 Covad Communications 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 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.223.112.0/22 5713 Telkom SA Ltd 41.223.176.0/22 36981 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 22555 Universal Talkware Corporatio 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 /10:21 /11:58 /12:166 /13:339 /14:597 /15:1148 /16:10461 /17:4739 /18:8141 /19:17145 /20:20411 /21:20300 /22:25974 /23:25603 /24:150667 /25:901 /26:1046 /27:547 /28:161 /29:37 /30:10 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2802 4296 bellsouth.net, inc. 4766 1389 1698 Korea Telecom (KIX) 17488 1307 1584 Hathway IP Over Cable Interne 209 1297 2560 Qwest 8452 1170 1200 TEDATA 1785 1164 1759 PaeTec Communications, Inc. 18566 1043 1062 Covad Communications 11492 1035 1099 Cable One 2386 970 1262 AT&T Data Communications Serv 4323 951 1848 Time Warner Telecom Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:199 12:2227 13:10 15:19 16:3 17:4 20:35 24:1068 32:50 38:533 40:97 41:1952 43:1 44:2 47:22 52:4 55:2 56:3 57:25 58:581 59:642 60:459 61:1094 62:1097 63:2087 64:3690 65:2392 66:3595 67:1622 68:766 69:2605 70:532 71:146 72:1653 73:2 74:1527 75:172 76:310 77:841 78:562 79:329 80:977 81:804 82:526 83:430 84:615 85:1050 86:407 87:653 88:355 89:1440 90:57 91:2204 92:322 93:1011 94:1196 95:1217 96:124 97:208 98:218 99:22 109:1 110:119 112:120 113:104 114:256 115:288 116:1160 117:517 118:293 119:694 120:142 121:723 122:1019 123:674 124:955 125:1319 128:220 129:234 130:126 131:413 132:73 133:9 134:187 135:213 136:242 137:155 138:160 139:80 140:445 141:109 142:380 143:342 144:360 145:47 146:376 147:153 148:518 149:237 150:177 151:198 152:147 153:139 154:2 155:274 156:169 157:297 158:115 159:312 160:282 161:138 162:268 163:151 164:481 165:503 166:275 167:363 168:685 169:166 170:477 171:40 172:10 173:281 174:210 178:1 186:14 187:89 188:17 189:351 190:2631 192:5812 193:4218 194:3299 195:2698 196:1066 198:3662 199:3351 200:5305 201:1356 202:7838 203:8198 204:3815 205:2143 206:2458 207:2814 208:3913 209:3425 210:2659 211:1114 212:1521 213:1673 214:76 215:30 216:4651 217:1259 218:371 219:427 220:1214 221:472 222:295 End of report
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