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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 29 20:12:59 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 30 May, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 289077 Prefixes after maximum aggregation: 136617 Deaggregation factor: 2.12 Unique aggregates announced to Internet: 142075 Total ASes present in the Internet Routing Table: 31358 Prefixes per ASN: 9.22 Origin-only ASes present in the Internet Routing Table: 27249 Origin ASes announcing only one prefix: 13307 Transit ASes present in the Internet Routing Table: 4109 Transit-only ASes present in the Internet Routing Table: 95 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 28 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 517 Unregistered ASNs in the Routing Table: 148 Number of 32-bit ASNs allocated by the RIRs: 164 Prefixes from 32-bit ASNs in the Routing Table: 42 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 804 Number of addresses announced to Internet: 2055663936 Equivalent to 122 /8s, 134 /16s and 241 /24s Percentage of available address space announced: 55.5 Percentage of allocated address space announced: 64.2 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 77.2 Total number of prefixes smaller than registry allocations: 143093 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 68122 Total APNIC prefixes after maximum aggregation: 24375 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 67545 Unique aggregates announced from the APNIC address blocks: 30656 APNIC Region origin ASes present in the Internet Routing Table: 3645 APNIC Prefixes per ASN: 18.53 APNIC Region origin ASes announcing only one prefix: 998 APNIC Region transit ASes present in the Internet Routing Table: 558 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 452378976 Equivalent to 26 /8s, 246 /16s and 193 /24s Percentage of available APNIC address space announced: 84.3 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: 124963 Total ARIN prefixes after maximum aggregation: 65735 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 125685 Unique aggregates announced from the ARIN address blocks: 51667 ARIN Region origin ASes present in the Internet Routing Table: 13003 ARIN Prefixes per ASN: 9.67 ARIN Region origin ASes announcing only one prefix: 4995 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: 1017392960 Equivalent to 60 /8s, 164 /16s and 47 /24s Percentage of available ARIN address space announced: 195.6 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: 65530 Total RIPE prefixes after maximum aggregation: 38773 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 64743 Unique aggregates announced from the RIPE address blocks: 43594 RIPE Region origin ASes present in the Internet Routing Table: 13072 RIPE Prefixes per ASN: 4.95 RIPE Region origin ASes announcing only one prefix: 6862 RIPE Region transit ASes present in the Internet Routing Table: 1983 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 480688032 Equivalent to 28 /8s, 166 /16s and 183 /24s Percentage of available RIPE address space announced: 102.3 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 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: 23841 Total LACNIC prefixes after maximum aggregation: 5941 LACNIC Deaggregation factor: 4.01 Prefixes being announced from the LACNIC address blocks: 23727 Unique aggregates announced from the LACNIC address blocks: 13095 LACNIC Region origin ASes present in the Internet Routing Table: 1117 LACNIC Prefixes per ASN: 21.24 LACNIC Region origin ASes announcing only one prefix: 363 LACNIC Region transit ASes present in the Internet Routing Table: 185 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 71561088 Equivalent to 4 /8s, 67 /16s and 239 /24s Percentage of available LACNIC address space announced: 71.1 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: 6192 Total AfriNIC prefixes after maximum aggregation: 1451 AfriNIC Deaggregation factor: 4.27 Prefixes being announced from the AfriNIC address blocks: 6560 Unique aggregates announced from the AfriNIC address blocks: 2430 AfriNIC Region origin ASes present in the Internet Routing Table: 297 AfriNIC Prefixes per ASN: 22.09 AfriNIC Region origin ASes announcing only one prefix: 89 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 19306496 Equivalent to 1 /8s, 38 /16s and 152 /24s Percentage of available AfriNIC address space announced: 57.5 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 1705 6930 401 Korea Telecom (KIX) 17488 1588 130 99 Hathway IP Over Cable Interne 4755 1249 476 124 TATA Communications formerly 9583 1075 86 538 Sify Limited 4134 890 16789 375 CHINANET-BACKBONE 7545 787 198 101 TPG Internet Pty Ltd 23577 779 34 660 Korea Telecom (ATM-MPLS) 18101 748 216 29 Reliance Infocom Ltd Internet 24560 693 230 174 Bharti Airtel Ltd. 9829 669 561 15 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 4293 3647 324 bellsouth.net, inc. 209 2540 4137 604 Qwest 4323 1856 1035 374 Time Warner Telecom 1785 1699 717 139 PaeTec Communications, Inc. 20115 1626 1441 720 Charter Communications 7018 1500 5902 1033 AT&T WorldNet Services 6478 1398 310 442 AT&T Worldnet Services 2386 1269 683 922 AT&T Data Communications Serv 3356 1212 10981 456 Level 3 Communications, LLC 11492 1109 208 12 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 30890 526 87 196 Evolva Telecom 3292 456 1893 394 TDC Tele Danmark 12479 450 578 6 Uni2 Autonomous System 702 430 1864 344 UUNET - Commercial IP service 8866 386 110 26 Bulgarian Telecommunication C 35805 348 24 4 United Telecom of Georgia 3320 344 7066 295 Deutsche Telekom AG 3215 343 3041 108 France Telecom Transpac 3301 340 1668 304 TeliaNet Sweden 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 1453 2863 234 UniNet S.A. de C.V. 10620 914 207 108 TVCABLE BOGOTA 22047 579 302 14 VTR PUNTO NET S.A. 7303 543 293 79 Telecom Argentina Stet-France 11830 486 292 54 Instituto Costarricense de El 28573 472 562 35 NET Servicos de Comunicao S.A 6471 443 96 32 ENTEL CHILE S.A. 11172 441 102 70 Servicios Alestra S.A de C.V 7738 404 794 28 Telecomunicacoes da Bahia S.A 3816 357 170 79 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 1203 188 7 TEDATA 24863 880 81 41 LINKdotNET AS number 20858 326 34 5 EgyNet 3741 278 860 238 The Internet Solution 2018 245 215 143 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 33776 116 6 7 Starcomms Nigeria Limited 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 4293 3647 324 bellsouth.net, inc. 209 2540 4137 604 Qwest 4323 1856 1035 374 Time Warner Telecom 4766 1705 6930 401 Korea Telecom (KIX) 1785 1699 717 139 PaeTec Communications, Inc. 20115 1626 1441 720 Charter Communications 17488 1588 130 99 Hathway IP Over Cable Interne 7018 1500 5902 1033 AT&T WorldNet Services 8151 1453 2863 234 UniNet S.A. de C.V. 6478 1398 310 442 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 2540 1936 Qwest 1785 1699 1560 PaeTec Communications, Inc. 17488 1588 1489 Hathway IP Over Cable Interne 4323 1856 1482 Time Warner Telecom 4766 1705 1304 Korea Telecom (KIX) 8151 1453 1219 UniNet S.A. de C.V. 8452 1203 1196 TEDATA 4755 1249 1125 TATA Communications formerly 11492 1109 1097 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 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 /10:22 /11:58 /12:166 /13:347 /14:602 /15:1151 /16:10486 /17:4764 /18:8174 /19:17108 /20:20443 /21:20381 /22:26048 /23:25758 /24:151008 /25:832 /26:991 /27:544 /28:144 /29:8 /30:5 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2800 4293 bellsouth.net, inc. 4766 1398 1705 Korea Telecom (KIX) 17488 1307 1588 Hathway IP Over Cable Interne 209 1283 2540 Qwest 1785 1175 1699 PaeTec Communications, Inc. 8452 1172 1203 TEDATA 11492 1043 1109 Cable One 18566 1043 1062 Covad Communications 2386 977 1269 AT&T Data Communications Serv 4323 955 1856 Time Warner Telecom Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:203 12:2216 13:10 15:19 16:3 17:4 20:35 24:1075 32:52 34:2 38:561 40:97 41:1977 43:1 44:2 47:22 52:4 55:2 56:3 57:24 58:586 59:642 60:459 61:1092 62:1091 63:2083 64:3713 65:2381 66:3621 67:1606 68:822 69:2629 70:531 71:147 72:1665 73:2 74:1535 75:172 76:308 77:860 78:557 79:341 80:975 81:822 82:553 83:429 84:643 85:1037 86:401 87:655 88:354 89:1436 90:60 91:2253 92:339 93:1035 94:1226 95:1182 96:134 97:209 98:242 99:20 109:1 110:126 112:129 113:109 114:269 115:291 116:1162 117:529 118:298 119:702 120:145 121:746 122:1028 123:684 124:979 125:1323 128:222 129:236 130:125 131:412 132:75 133:9 134:186 135:39 136:224 137:155 138:160 139:78 140:447 141:114 142:381 143:347 144:365 145:47 146:375 147:160 148:518 149:229 150:177 151:198 152:146 153:140 154:2 155:275 156:170 157:296 158:114 159:312 160:283 161:143 162:267 163:151 164:480 165:499 166:274 167:361 168:680 169:164 170:467 171:40 172:10 173:288 174:217 178:1 180:1 183:1 186:17 187:105 188:20 189:418 190:2687 192:5782 193:4221 194:3299 195:2701 196:1067 198:3630 199:3366 200:5205 201:1273 202:7874 203:8188 204:3837 205:2139 206:2453 207:2778 208:3901 209:3437 210:2683 211:1118 212:1512 213:1664 214:76 215:31 216:4702 217:1277 218:367 219:430 220:1217 221:476 222:302 End of report
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