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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 8 20:16:02 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 09 May, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 288037 Prefixes after maximum aggregation: 136199 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 140785 Total ASes present in the Internet Routing Table: 31199 Prefixes per ASN: 9.23 Origin-only ASes present in the Internet Routing Table: 27142 Origin ASes announcing only one prefix: 13239 Transit ASes present in the Internet Routing Table: 4057 Transit-only ASes present in the Internet Routing Table: 96 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: 461 Unregistered ASNs in the Routing Table: 151 Number of 32-bit ASNs allocated by the RIRs: 142 Prefixes from 32-bit ASNs in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 194 Number of addresses announced to Internet: 2039977920 Equivalent to 121 /8s, 151 /16s and 151 /24s Percentage of available address space announced: 55.0 Percentage of allocated address space announced: 63.7 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 76.9 Total number of prefixes smaller than registry allocations: 142407 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 67704 Total APNIC prefixes after maximum aggregation: 24092 APNIC Deaggregation factor: 2.81 Prefixes being announced from the APNIC address blocks: 64376 Unique aggregates announced from the APNIC address blocks: 28909 APNIC Region origin ASes present in the Internet Routing Table: 3610 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 974 APNIC Region transit ASes present in the Internet Routing Table: 548 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 413123104 Equivalent to 24 /8s, 159 /16s and 194 /24s Percentage of available APNIC address space announced: 77.0 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: 125398 Total ARIN prefixes after maximum aggregation: 66155 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 94539 Unique aggregates announced from the ARIN address blocks: 36627 ARIN Region origin ASes present in the Internet Routing Table: 12984 ARIN Prefixes per ASN: 7.28 ARIN Region origin ASes announcing only one prefix: 5014 ARIN Region transit ASes present in the Internet Routing Table: 1264 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 428554240 Equivalent to 25 /8s, 139 /16s and 56 /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: 65823 Total RIPE prefixes after maximum aggregation: 38233 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 60147 Unique aggregates announced from the RIPE address blocks: 39883 RIPE Region origin ASes present in the Internet Routing Table: 12974 RIPE Prefixes per ASN: 4.64 RIPE Region origin ASes announcing only one prefix: 6798 RIPE Region transit ASes present in the Internet Routing Table: 1959 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 393192480 Equivalent to 23 /8s, 111 /16s and 164 /24s Percentage of available RIPE address space announced: 83.7 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 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: 23762 Total LACNIC prefixes after maximum aggregation: 5894 LACNIC Deaggregation factor: 4.03 Prefixes being announced from the LACNIC address blocks: 21941 Unique aggregates announced from the LACNIC address blocks: 12057 LACNIC Region origin ASes present in the Internet Routing Table: 1107 LACNIC Prefixes per ASN: 19.82 LACNIC Region origin ASes announcing only one prefix: 361 LACNIC Region transit ASes present in the Internet Routing Table: 184 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 63068288 Equivalent to 3 /8s, 194 /16s and 88 /24s Percentage of available LACNIC address space announced: 62.7 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: 4921 Total AfriNIC prefixes after maximum aggregation: 1487 AfriNIC Deaggregation factor: 3.31 Prefixes being announced from the AfriNIC address blocks: 4562 Unique aggregates announced from the AfriNIC address blocks: 1412 AfriNIC Region origin ASes present in the Internet Routing Table: 295 AfriNIC Prefixes per ASN: 15.46 AfriNIC Region origin ASes announcing only one prefix: 92 AfriNIC Region transit ASes present in the Internet Routing Table: 58 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 11303168 Equivalent to 0 /8s, 172 /16s and 121 /24s Percentage of available AfriNIC address space announced: 33.7 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 1700 6930 405 Korea Telecom (KIX) 17488 1573 127 101 Hathway IP Over Cable Interne 4755 1243 466 126 TATA Communications formerly 9583 1077 86 539 Sify Limited 4134 898 16676 373 CHINANET-BACKBONE 7545 792 166 102 TPG Internet Pty Ltd 23577 780 34 663 Korea Telecom (ATM-MPLS) 18101 756 217 32 Reliance Infocom Ltd Internet 24560 685 229 176 Bharti Airtel Ltd. 9829 654 560 18 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 4306 3653 342 bellsouth.net, inc. 209 2559 4149 604 Qwest 4323 1848 1035 373 Time Warner Telecom 1785 1758 717 139 PaeTec Communications, Inc. 20115 1631 1449 728 Charter Communications 7018 1464 5911 1014 AT&T WorldNet Services 6478 1398 309 414 AT&T Worldnet Services 2386 1264 698 911 AT&T Data Communications Serv 3356 1235 10981 469 Level 3 Communications, LLC 11492 1102 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 1231 188 7 TEDATA 30890 541 88 200 Evolva Telecom 3292 455 1893 394 TDC Tele Danmark 12479 448 578 6 Uni2 Autonomous System 8866 368 110 24 Bulgarian Telecommunication C 3320 348 7082 299 Deutsche Telekom AG 3215 343 3041 108 France Telecom Transpac 3301 340 1668 304 TeliaNet Sweden 35805 338 24 4 United Telecom of Georgia 29049 317 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 2848 232 UniNet S.A. de C.V. 10620 930 207 106 TVCABLE BOGOTA 22047 616 302 14 VTR PUNTO NET S.A. 7303 524 272 76 Telecom Argentina Stet-France 11830 516 294 34 Instituto Costarricense de El 28573 456 562 26 NET Servicos de Comunicao S.A 11172 443 102 72 Servicios Alestra S.A de C.V 6471 435 95 31 ENTEL CHILE S.A. 7738 397 794 28 Telecomunicacoes da Bahia S.A 3816 349 163 73 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 823 76 48 LINKdotNET AS number 20858 302 34 5 This AS will be used to conne 3741 278 860 238 The Internet Solution 2018 243 215 143 Tertiary Education Network 6713 159 150 15 Itissalat Al-MAGHRIB 29571 139 15 9 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 33783 120 8 40 EEPAD TISP TELECOM & INTERNET 5713 115 507 66 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 4306 3653 342 bellsouth.net, inc. 209 2559 4149 604 Qwest 4323 1848 1035 373 Time Warner Telecom 1785 1758 717 139 PaeTec Communications, Inc. 4766 1700 6930 405 Korea Telecom (KIX) 20115 1631 1449 728 Charter Communications 17488 1573 127 101 Hathway IP Over Cable Interne 7018 1464 5911 1014 AT&T WorldNet Services 8151 1449 2848 232 UniNet S.A. de C.V. 6478 1398 309 414 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 2559 1955 Qwest 1785 1758 1619 PaeTec Communications, Inc. 4323 1848 1475 Time Warner Telecom 17488 1573 1472 Hathway IP Over Cable Interne 4766 1700 1295 Korea Telecom (KIX) 8452 1231 1224 TEDATA 8151 1449 1217 UniNet S.A. de C.V. 4755 1243 1117 TATA Communications formerly 11492 1102 1091 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 /10:20 /11:58 /12:166 /13:337 /14:597 /15:1146 /16:10463 /17:4724 /18:8128 /19:17124 /20:20385 /21:20268 /22:25947 /23:25487 /24:150459 /25:900 /26:1041 /27:543 /28:160 /29:37 /30:10 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2804 4306 bellsouth.net, inc. 4766 1391 1700 Korea Telecom (KIX) 17488 1306 1573 Hathway IP Over Cable Interne 209 1295 2559 Qwest 8452 1207 1231 TEDATA 1785 1163 1758 PaeTec Communications, Inc. 18566 1043 1062 Covad Communications 11492 1038 1102 Cable One 2386 962 1264 AT&T Data Communications Serv 4323 952 1848 Time Warner Telecom Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:199 12:2222 13:10 15:19 16:3 17:4 20:35 24:1063 32:50 38:528 40:97 41:2015 43:1 44:2 47:22 52:4 55:2 56:3 57:25 58:581 59:637 60:459 61:1121 62:1112 63:2075 64:3664 65:2393 66:3621 67:1630 68:754 69:2590 70:531 71:144 72:1654 73:2 74:1499 75:171 76:311 77:833 78:561 79:336 80:971 81:814 82:530 83:417 84:613 85:1083 86:403 87:652 88:355 89:1442 90:47 91:2191 92:317 93:1003 94:1181 95:961 96:125 97:205 98:221 99:22 109:1 110:92 112:112 113:102 114:251 115:271 116:1162 117:520 118:290 119:691 120:142 121:721 122:1011 123:689 124:967 125:1315 128:221 129:232 130:126 131:414 132:73 133:9 134:185 135:214 136:242 137:152 138:159 139:81 140:444 141:107 142:377 143:357 144:362 145:47 146:373 147:152 148:518 149:237 150:181 151:200 152:147 153:139 154:2 155:274 156:169 157:300 158:115 159:310 160:281 161:135 162:274 163:149 164:482 165:503 166:278 167:363 168:685 169:167 170:475 171:40 172:10 173:276 174:204 178:1 186:10 187:88 188:13 189:343 190:2605 192:5797 193:4236 194:3305 195:2701 196:1075 198:3656 199:3348 200:5346 201:1367 202:7867 203:8197 204:3818 205:2144 206:2450 207:2814 208:3921 209:3391 210:2710 211:1112 212:1510 213:1706 214:74 215:30 216:4642 217:1264 218:368 219:432 220:1220 221:475 222:296 End of report
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