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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 12 20:11:14 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 13 Jun, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 287824 Prefixes after maximum aggregation: 137147 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 142799 Total ASes present in the Internet Routing Table: 31449 Prefixes per ASN: 9.15 Origin-only ASes present in the Internet Routing Table: 27360 Origin ASes announcing only one prefix: 13306 Transit ASes present in the Internet Routing Table: 4089 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: 29 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 500 Unregistered ASNs in the Routing Table: 147 Number of 32-bit ASNs allocated by the RIRs: 181 Prefixes from 32-bit ASNs in the Routing Table: 49 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 829 Number of addresses announced to Internet: 2050857808 Equivalent to 122 /8s, 61 /16s and 155 /24s Percentage of available address space announced: 55.3 Percentage of allocated address space announced: 64.0 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 77.4 Total number of prefixes smaller than registry allocations: 142267 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 68490 Total APNIC prefixes after maximum aggregation: 24490 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 67896 Unique aggregates announced from the APNIC address blocks: 30776 APNIC Region origin ASes present in the Internet Routing Table: 3665 APNIC Prefixes per ASN: 18.53 APNIC Region origin ASes announcing only one prefix: 997 APNIC Region transit ASes present in the Internet Routing Table: 556 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 453620336 Equivalent to 27 /8s, 9 /16s and 178 /24s Percentage of available APNIC address space announced: 84.5 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: 123257 Total ARIN prefixes after maximum aggregation: 65969 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 124046 Unique aggregates announced from the ARIN address blocks: 51834 ARIN Region origin ASes present in the Internet Routing Table: 13033 ARIN Prefixes per ASN: 9.52 ARIN Region origin ASes announcing only one prefix: 4995 ARIN Region transit ASes present in the Internet Routing Table: 1276 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 1009227328 Equivalent to 60 /8s, 39 /16s and 150 /24s Percentage of available ARIN address space announced: 194.0 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: 65736 Total RIPE prefixes after maximum aggregation: 38944 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 64869 Unique aggregates announced from the RIPE address blocks: 43770 RIPE Region origin ASes present in the Internet Routing Table: 13116 RIPE Prefixes per ASN: 4.95 RIPE Region origin ASes announcing only one prefix: 6865 RIPE Region transit ASes present in the Internet Routing Table: 1966 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 482559648 Equivalent to 28 /8s, 195 /16s and 70 /24s Percentage of available RIPE address space announced: 102.7 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: 23862 Total LACNIC prefixes after maximum aggregation: 5946 LACNIC Deaggregation factor: 4.01 Prefixes being announced from the LACNIC address blocks: 23726 Unique aggregates announced from the LACNIC address blocks: 13297 LACNIC Region origin ASes present in the Internet Routing Table: 1119 LACNIC Prefixes per ASN: 21.20 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: 29 Number of LACNIC addresses announced to Internet: 71622272 Equivalent to 4 /8s, 68 /16s and 222 /24s Percentage of available LACNIC address space announced: 71.2 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: 6035 Total AfriNIC prefixes after maximum aggregation: 1453 AfriNIC Deaggregation factor: 4.15 Prefixes being announced from the AfriNIC address blocks: 6445 Unique aggregates announced from the AfriNIC address blocks: 2468 AfriNIC Region origin ASes present in the Internet Routing Table: 296 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 88 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 19460608 Equivalent to 1 /8s, 40 /16s and 242 /24s Percentage of available AfriNIC address space announced: 58.0 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 1709 6931 402 Korea Telecom (KIX) 17488 1600 130 101 Hathway IP Over Cable Interne 4755 1251 362 128 TATA Communications formerly 9583 1100 87 549 Sify Limited 4134 892 16925 377 CHINANET-BACKBONE 7545 793 198 101 TPG Internet Pty Ltd 23577 780 34 664 Korea Telecom (ATM-MPLS) 18101 751 216 30 Reliance Infocom Ltd Internet 24560 714 230 174 Bharti Airtel Ltd. 9829 683 572 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 4290 3647 324 bellsouth.net, inc. 4323 1863 1035 376 Time Warner Telecom 1785 1687 717 138 PaeTec Communications, Inc. 20115 1627 1447 733 Charter Communications 7018 1506 5924 1042 AT&T WorldNet Services 6478 1375 305 476 AT&T Worldnet Services 2386 1264 683 918 AT&T Data Communications Serv 3356 1204 10980 452 Level 3 Communications, LLC 11492 1114 208 12 Cable One 18566 1062 296 10 Covad Communications 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 3292 454 1902 392 TDC Tele Danmark 12479 450 578 6 Uni2 Autonomous System 702 431 1861 347 UUNET - Commercial IP service 30890 413 87 193 Evolva Telecom 35805 358 24 4 United Telecom of Georgia 8866 351 109 21 Bulgarian Telecommunication C 3301 344 1684 307 TeliaNet Sweden 3215 343 3041 108 France Telecom Transpac 3320 338 7066 296 Deutsche Telekom AG 9121 319 1442 25 TTnet Autonomous System 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 1466 2879 233 UniNet S.A. de C.V. 10620 906 206 115 TVCABLE BOGOTA 22047 591 302 14 VTR PUNTO NET S.A. 7303 566 298 85 Telecom Argentina Stet-France 28573 538 563 35 NET Servicos de Comunicao S.A 11830 486 292 54 Instituto Costarricense de El 6471 443 96 32 ENTEL CHILE S.A. 11172 443 102 70 Servicios Alestra S.A de C.V 7738 404 794 28 Telecomunicacoes da Bahia S.A 3816 363 188 81 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 981 188 7 TEDATA 24863 884 82 40 LINKdotNET AS number 20858 324 34 5 EgyNet 3741 277 856 237 The Internet Solution 2018 243 215 143 Tertiary Education Network 6713 160 151 12 Itissalat Al-MAGHRIB 33783 152 10 8 EEPAD TISP TELECOM & INTERNET 29571 139 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 5713 115 507 66 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 4290 3647 324 bellsouth.net, inc. 4323 1863 1035 376 Time Warner Telecom 4766 1709 6931 402 Korea Telecom (KIX) 1785 1687 717 138 PaeTec Communications, Inc. 20115 1627 1447 733 Charter Communications 17488 1600 130 101 Hathway IP Over Cable Interne 7018 1506 5924 1042 AT&T WorldNet Services 8151 1466 2879 233 UniNet S.A. de C.V. 6478 1375 305 476 AT&T Worldnet Services 2386 1264 683 918 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 1785 1687 1549 PaeTec Communications, Inc. 17488 1600 1499 Hathway IP Over Cable Interne 4323 1863 1487 Time Warner Telecom 4766 1709 1307 Korea Telecom (KIX) 8151 1466 1233 UniNet S.A. de C.V. 4755 1251 1123 TATA Communications formerly 11492 1114 1102 Cable One 18566 1062 1052 Covad Communications 22773 1062 996 Cox Communications, Inc. 8452 981 974 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 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 64.31.32.0/19 11955 ServiceCo LLC - Road Runner 64.31.59.0/24 7017 ServiceCo LLC - Road Runner 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 /13:348 /14:601 /15:1154 /16:10514 /17:4723 /18:8087 /19:16903 /20:20163 /21:19974 /22:25876 /23:25740 /24:150868 /25:863 /26:1030 /27:538 /28:148 /29:8 /30:5 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2796 4290 bellsouth.net, inc. 4766 1402 1709 Korea Telecom (KIX) 17488 1313 1600 Hathway IP Over Cable Interne 1785 1163 1687 PaeTec Communications, Inc. 11492 1044 1114 Cable One 18566 1043 1062 Covad Communications 2386 977 1264 AT&T Data Communications Serv 4323 953 1863 Time Warner Telecom 9583 951 1100 Sify Limited 8452 914 981 TEDATA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:206 12:2245 13:10 15:19 16:2 17:4 20:36 24:1081 32:52 34:2 38:571 40:97 41:1701 43:1 44:2 47:22 52:4 55:2 56:3 57:24 58:570 59:640 60:459 61:1073 62:1107 63:2013 64:3718 65:2384 66:3622 67:1623 68:824 69:2643 70:557 71:174 72:1676 73:2 74:1572 75:169 76:311 77:849 78:549 79:353 80:971 81:833 82:560 83:434 84:634 85:1030 86:397 87:650 88:354 89:1445 90:57 91:2312 92:344 93:1055 94:1228 95:1031 96:140 97:217 98:245 99:22 109:1 110:143 111:9 112:136 113:125 114:256 115:326 116:1163 117:530 118:288 119:692 120:145 121:754 122:1031 123:694 124:994 125:1336 128:224 129:236 130:127 131:408 132:74 133:9 134:186 135:38 136:224 137:153 138:161 139:78 140:433 141:119 142:385 143:345 144:362 145:48 146:380 147:164 148:519 149:233 150:177 151:190 152:147 153:141 154:2 155:276 156:170 157:302 158:115 159:312 160:284 161:151 162:271 163:169 164:482 165:502 166:275 167:359 168:674 169:164 170:471 171:39 172:10 173:287 174:226 178:1 180:1 183:1 186:22 187:96 188:22 189:432 190:2745 192:5780 193:4256 194:3307 195:2696 196:1101 198:3598 199:3360 200:5086 201:1278 202:7900 203:8170 204:3879 205:2153 206:2441 207:2731 208:3883 209:3400 210:2681 211:1122 212:1604 213:1657 214:80 215:31 216:4534 217:1306 218:387 219:443 220:1223 221:488 222:304 End of report
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