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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Aug 7 20:13:01 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 08 Aug, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 293130 Prefixes after maximum aggregation: 138725 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 145858 Total ASes present in the Internet Routing Table: 31891 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 27728 Origin ASes announcing only one prefix: 13529 Transit ASes present in the Internet Routing Table: 4163 Transit-only ASes present in the Internet Routing Table: 99 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 465 Unregistered ASNs in the Routing Table: 127 Number of 32-bit ASNs allocated by the RIRs: 231 Prefixes from 32-bit ASNs in the Routing Table: 84 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 337 Number of addresses announced to Internet: 2103732416 Equivalent to 125 /8s, 100 /16s and 104 /24s Percentage of available address space announced: 56.8 Percentage of allocated address space announced: 65.0 Percentage of available address space allocated: 87.3 Percentage of address space in use by end-sites: 78.5 Total number of prefixes smaller than registry allocations: 140470 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 69643 Total APNIC prefixes after maximum aggregation: 24862 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 69053 Unique aggregates announced from the APNIC address blocks: 31672 APNIC Region origin ASes present in the Internet Routing Table: 3729 APNIC Prefixes per ASN: 18.52 APNIC Region origin ASes announcing only one prefix: 1025 APNIC Region transit ASes present in the Internet Routing Table: 580 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 479781312 Equivalent to 28 /8s, 152 /16s and 225 /24s Percentage of available APNIC address space announced: 84.1 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, 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: 124787 Total ARIN prefixes after maximum aggregation: 66281 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 125453 Unique aggregates announced from the ARIN address blocks: 52489 ARIN Region origin ASes present in the Internet Routing Table: 13145 ARIN Prefixes per ASN: 9.54 ARIN Region origin ASes announcing only one prefix: 5068 ARIN Region transit ASes present in the Internet Routing Table: 1284 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 1029397568 Equivalent to 61 /8s, 91 /16s and 92 /24s Percentage of available ARIN address space announced: 90.2 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 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: 67221 Total RIPE prefixes after maximum aggregation: 39687 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 66828 Unique aggregates announced from the RIPE address blocks: 45092 RIPE Region origin ASes present in the Internet Routing Table: 13361 RIPE Prefixes per ASN: 5.00 RIPE Region origin ASes announcing only one prefix: 6984 RIPE Region transit ASes present in the Internet Routing Table: 1988 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 499404992 Equivalent to 29 /8s, 196 /16s and 80 /24s Percentage of available RIPE address space announced: 99.2 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 25/8, 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: 24888 Total LACNIC prefixes after maximum aggregation: 6115 LACNIC Deaggregation factor: 4.07 Prefixes being announced from the LACNIC address blocks: 24849 Unique aggregates announced from the LACNIC address blocks: 13809 LACNIC Region origin ASes present in the Internet Routing Table: 1153 LACNIC Prefixes per ASN: 21.55 LACNIC Region origin ASes announcing only one prefix: 369 LACNIC Region transit ASes present in the Internet Routing Table: 195 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 72975040 Equivalent to 4 /8s, 89 /16s and 130 /24s Percentage of available LACNIC address space announced: 72.5 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: 6194 Total AfriNIC prefixes after maximum aggregation: 1493 AfriNIC Deaggregation factor: 4.15 Prefixes being announced from the AfriNIC address blocks: 6597 Unique aggregates announced from the AfriNIC address blocks: 2519 AfriNIC Region origin ASes present in the Internet Routing Table: 301 AfriNIC Prefixes per ASN: 21.92 AfriNIC Region origin ASes announcing only one prefix: 83 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: 16 Number of AfriNIC addresses announced to Internet: 20195584 Equivalent to 1 /8s, 52 /16s and 41 /24s Percentage of available AfriNIC address space announced: 60.2 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 1719 6979 423 Korea Telecom (KIX) 17488 1550 139 102 Hathway IP Over Cable Interne 4755 1231 292 143 TATA Communications formerly 9583 1119 88 550 Sify Limited 4134 983 17997 384 CHINANET-BACKBONE 7545 815 198 103 TPG Internet Pty Ltd 9829 807 619 15 BSNL National Internet Backbo 23577 779 34 661 Korea Telecom (ATM-MPLS) 4808 754 1515 172 CNCGROUP IP network: China169 18101 748 201 31 Reliance Infocom Ltd Internet 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 4209 3643 323 bellsouth.net, inc. 4323 1912 1048 384 Time Warner Telecom 1785 1725 714 139 PaeTec Communications, Inc. 7018 1498 5908 1051 AT&T WorldNet Services 20115 1464 1472 672 Charter Communications 6478 1329 274 284 AT&T Worldnet Services 2386 1289 673 939 AT&T Data Communications Serv 3356 1206 10979 439 Level 3 Communications, LLC 11492 1134 208 12 Cable One 22773 1082 2604 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 482 92 195 Evolva Telecom 12479 472 578 6 Uni2 Autonomous System 3292 461 1905 395 TDC Tele Danmark 702 430 1861 346 UUNET - Commercial IP service 35805 372 40 5 United Telecom of Georgia 9198 366 138 12 Kazakhtelecom Data Network Ad 3320 348 7067 301 Deutsche Telekom AG 3301 347 1684 310 TeliaNet Sweden 3215 344 3081 109 France Telecom Transpac 8866 339 109 20 Bulgarian Telecommunication C 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 1515 2898 245 UniNet S.A. de C.V. 10620 973 220 97 TVCABLE BOGOTA 28573 636 579 40 NET Servicos de Comunicao S.A 7303 617 328 93 Telecom Argentina Stet-France 22047 540 302 14 VTR PUNTO NET S.A. 11830 487 310 65 Instituto Costarricense de El 11172 443 99 69 Servicios Alestra S.A de C.V 6471 421 96 31 ENTEL CHILE S.A. 7738 410 858 29 Telecomunicacoes da Bahia S.A 3816 390 191 80 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 1025 188 7 TEDATA 24863 909 90 48 LINKdotNET AS number 20858 324 34 5 EgyNet 3741 277 856 237 The Internet Solution 2018 246 215 143 Tertiary Education Network 6713 175 166 16 Itissalat Al-MAGHRIB 33783 152 10 8 EEPAD TISP TELECOM & INTERNET 29571 144 15 7 Ci Telecom Autonomous system 24835 131 46 9 RAYA Telecom - Egypt 5536 123 8 9 Internet Egypt Network 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 4209 3643 323 bellsouth.net, inc. 4323 1912 1048 384 Time Warner Telecom 1785 1725 714 139 PaeTec Communications, Inc. 4766 1719 6979 423 Korea Telecom (KIX) 17488 1550 139 102 Hathway IP Over Cable Interne 8151 1515 2898 245 UniNet S.A. de C.V. 7018 1498 5908 1051 AT&T WorldNet Services 20115 1464 1472 672 Charter Communications 6478 1329 274 284 AT&T Worldnet Services 2386 1289 673 939 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 1725 1586 PaeTec Communications, Inc. 4323 1912 1528 Time Warner Telecom 17488 1550 1448 Hathway IP Over Cable Interne 4766 1719 1296 Korea Telecom (KIX) 8151 1515 1270 UniNet S.A. de C.V. 11492 1134 1122 Cable One 4755 1231 1088 TATA Communications formerly 18566 1062 1052 Covad Communications 6478 1329 1045 AT&T Worldnet Services 8452 1025 1018 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 24.38.192.0/18 36377 PATRIOT MEDIA AND COMMUNICATI 24.225.128.0/17 36377 PATRIOT MEDIA AND COMMUNICATI 41.223.92.0/22 36936 >>UNKNOWN<< 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 63.131.240.0/20 40414 Optivon, Inc. 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 /10:24 /11:59 /12:170 /13:350 /14:622 /15:1176 /16:10603 /17:4765 /18:8353 /19:17223 /20:20578 /21:20493 /22:26414 /23:26134 /24:153445 /25:909 /26:1022 /27:577 /28:159 /29:8 /30:7 /31:1 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2733 4209 bellsouth.net, inc. 4766 1404 1719 Korea Telecom (KIX) 17488 1296 1550 Hathway IP Over Cable Interne 1785 1194 1725 PaeTec Communications, Inc. 11492 1060 1134 Cable One 18566 1043 1062 Covad Communications 9583 972 1119 Sify Limited 4323 968 1912 Time Warner Telecom 8452 947 1025 TEDATA 10620 881 973 TVCABLE BOGOTA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:14 8:212 12:2135 13:7 15:19 16:3 17:5 20:35 24:1123 32:52 34:2 38:585 40:96 41:1748 43:1 44:2 47:22 52:6 53:2 55:2 56:2 57:24 58:602 59:607 60:463 61:951 62:1110 63:2027 64:3699 65:2403 66:3591 67:1696 68:859 69:2722 70:552 71:152 72:1650 73:2 74:1670 75:176 76:350 77:825 78:568 79:359 80:931 81:849 82:588 83:453 84:642 85:1064 86:372 87:677 88:376 89:1478 90:49 91:2452 92:390 93:1103 94:1180 95:1133 96:166 97:257 98:272 99:28 110:174 111:374 112:124 113:151 114:238 115:286 116:1128 117:559 118:337 119:757 120:148 121:638 122:1233 123:680 124:982 125:1379 128:225 129:223 130:129 131:414 132:74 133:13 134:185 135:43 136:226 137:164 138:167 139:82 140:441 141:123 142:384 143:357 144:359 145:48 146:388 147:153 148:530 149:225 150:206 151:193 152:139 153:148 154:2 155:275 156:167 157:301 158:114 159:343 160:290 161:162 162:272 163:162 164:465 165:520 166:466 167:363 168:700 169:176 170:481 171:41 172:10 173:351 174:274 178:1 180:4 186:115 187:163 188:395 189:576 190:2963 192:5790 193:4257 194:3290 195:2690 196:1120 198:3649 199:3367 200:5099 201:1296 202:7750 203:8263 204:3886 205:2159 206:2446 207:2742 208:3903 209:3519 210:2531 211:1106 212:1655 213:1621 214:82 215:29 216:4530 217:1366 218:405 219:410 220:1107 221:479 222:328 End of report
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