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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 5 20:12:14 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 06 Jun, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 288419 Prefixes after maximum aggregation: 136920 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 142415 Total ASes present in the Internet Routing Table: 31418 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 27318 Origin ASes announcing only one prefix: 13309 Transit ASes present in the Internet Routing Table: 4100 Transit-only ASes present in the Internet Routing Table: 98 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: 491 Unregistered ASNs in the Routing Table: 142 Number of 32-bit ASNs allocated by the RIRs: 166 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: 823 Number of addresses announced to Internet: 2058656960 Equivalent to 122 /8s, 180 /16s and 156 /24s Percentage of available address space announced: 55.5 Percentage of allocated address space announced: 64.3 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: 143030 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 68315 Total APNIC prefixes after maximum aggregation: 24421 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 67723 Unique aggregates announced from the APNIC address blocks: 30707 APNIC Region origin ASes present in the Internet Routing Table: 3652 APNIC Prefixes per ASN: 18.54 APNIC Region origin ASes announcing only one prefix: 999 APNIC Region transit ASes present in the Internet Routing Table: 560 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 453358944 Equivalent to 27 /8s, 5 /16s and 181 /24s Percentage of available APNIC address space announced: 84.4 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: 123325 Total ARIN prefixes after maximum aggregation: 65857 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 124064 Unique aggregates announced from the ARIN address blocks: 51778 ARIN Region origin ASes present in the Internet Routing Table: 13026 ARIN Prefixes per ASN: 9.52 ARIN Region origin ASes announcing only one prefix: 4996 ARIN Region transit ASes present in the Internet Routing Table: 1275 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 1017544256 Equivalent to 60 /8s, 166 /16s and 126 /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: 65773 Total RIPE prefixes after maximum aggregation: 38881 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 64972 Unique aggregates announced from the RIPE address blocks: 43672 RIPE Region origin ASes present in the Internet Routing Table: 13101 RIPE Prefixes per ASN: 4.96 RIPE Region origin ASes announcing only one prefix: 6860 RIPE Region transit ASes present in the Internet Routing Table: 1972 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 481592224 Equivalent to 28 /8s, 180 /16s and 131 /24s Percentage of available RIPE address space announced: 102.5 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: 24378 Total LACNIC prefixes after maximum aggregation: 5971 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 24258 Unique aggregates announced from the LACNIC address blocks: 13143 LACNIC Region origin ASes present in the Internet Routing Table: 1118 LACNIC Prefixes per ASN: 21.70 LACNIC Region origin ASes announcing only one prefix: 363 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: 20 Number of LACNIC addresses announced to Internet: 71353856 Equivalent to 4 /8s, 64 /16s and 198 /24s Percentage of available LACNIC address space announced: 70.9 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: 1450 AfriNIC Deaggregation factor: 4.27 Prefixes being announced from the AfriNIC address blocks: 6566 Unique aggregates announced from the AfriNIC address blocks: 2466 AfriNIC Region origin ASes present in the Internet Routing Table: 298 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 91 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: 20432896 Equivalent to 1 /8s, 55 /16s and 200 /24s Percentage of available AfriNIC address space announced: 60.9 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 1707 6930 401 Korea Telecom (KIX) 17488 1593 130 101 Hathway IP Over Cable Interne 4755 1241 402 122 TATA Communications formerly 9583 1086 87 542 Sify Limited 4134 892 16925 377 CHINANET-BACKBONE 7545 786 198 102 TPG Internet Pty Ltd 23577 782 34 664 Korea Telecom (ATM-MPLS) 18101 752 216 29 Reliance Infocom Ltd Internet 24560 695 230 174 Bharti Airtel Ltd. 9829 678 569 16 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 4292 3647 324 bellsouth.net, inc. 4323 1859 1034 375 Time Warner Telecom 1785 1686 717 138 PaeTec Communications, Inc. 20115 1638 1441 718 Charter Communications 7018 1498 5899 1030 AT&T WorldNet Services 6478 1399 310 436 AT&T Worldnet Services 2386 1273 683 922 AT&T Data Communications Serv 3356 1206 10980 451 Level 3 Communications, LLC 11492 1112 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 30890 529 88 197 Evolva Telecom 3292 455 1893 393 TDC Tele Danmark 12479 450 578 6 Uni2 Autonomous System 702 431 1862 347 UUNET - Commercial IP service 35805 353 24 4 United Telecom of Georgia 8866 351 109 21 Bulgarian Telecommunication C 3215 343 3041 108 France Telecom Transpac 3301 339 1667 303 TeliaNet Sweden 3320 337 7066 295 Deutsche Telekom AG 29049 318 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 2001 2863 235 UniNet S.A. de C.V. 10620 905 205 118 TVCABLE BOGOTA 22047 588 302 14 VTR PUNTO NET S.A. 7303 564 297 86 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 441 102 70 Servicios Alestra S.A de C.V 7738 404 794 28 Telecomunicacoes da Bahia S.A 3816 359 171 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 1206 188 7 TEDATA 24863 851 82 40 LINKdotNET AS number 20858 298 34 5 EgyNet 3741 277 856 237 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 4292 3647 324 bellsouth.net, inc. 8151 2001 2863 235 UniNet S.A. de C.V. 4323 1859 1034 375 Time Warner Telecom 4766 1707 6930 401 Korea Telecom (KIX) 1785 1686 717 138 PaeTec Communications, Inc. 20115 1638 1441 718 Charter Communications 17488 1593 130 101 Hathway IP Over Cable Interne 7018 1498 5899 1030 AT&T WorldNet Services 6478 1399 310 436 AT&T Worldnet Services 2386 1273 683 922 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 8151 2001 1766 UniNet S.A. de C.V. 1785 1686 1548 PaeTec Communications, Inc. 17488 1593 1492 Hathway IP Over Cable Interne 4323 1859 1484 Time Warner Telecom 4766 1707 1306 Korea Telecom (KIX) 8452 1206 1199 TEDATA 4755 1241 1119 TATA Communications formerly 11492 1112 1100 Cable One 18566 1062 1052 Covad Communications 22773 1062 996 Cox Communications, Inc. 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 /12:167 /13:348 /14:602 /15:1153 /16:10487 /17:4720 /18:8074 /19:16917 /20:20130 /21:19933 /22:25839 /23:25690 /24:151691 /25:851 /26:1008 /27:538 /28:141 /29:8 /30:5 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2799 4292 bellsouth.net, inc. 4766 1400 1707 Korea Telecom (KIX) 17488 1307 1593 Hathway IP Over Cable Interne 1785 1163 1686 PaeTec Communications, Inc. 8452 1163 1206 TEDATA 11492 1043 1112 Cable One 18566 1043 1062 Covad Communications 2386 980 1273 AT&T Data Communications Serv 4323 951 1859 Time Warner Telecom 9583 937 1086 Sify Limited Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:206 12:2250 13:10 15:19 16:3 17:4 20:35 24:1079 32:52 34:2 38:568 40:97 41:1981 43:1 44:2 47:22 52:4 55:2 56:3 57:24 58:592 59:639 60:459 61:1084 62:1095 63:2007 64:3717 65:2381 66:3626 67:1625 68:823 69:2643 70:565 71:150 72:1669 73:2 74:1560 75:170 76:306 77:854 78:556 79:350 80:974 81:836 82:559 83:430 84:614 85:1052 86:397 87:658 88:353 89:1442 90:64 91:2271 92:342 93:1047 94:1229 95:1116 96:139 97:215 98:240 99:21 109:1 110:132 112:132 113:124 114:256 115:312 116:1165 117:533 118:285 119:703 120:145 121:747 122:1027 123:682 124:989 125:1324 128:222 129:238 130:126 131:410 132:74 133:9 134:186 135:39 136:224 137:159 138:161 139:78 140:442 141:114 142:384 143:333 144:361 145:48 146:377 147:164 148:520 149:229 150:177 151:195 152:145 153:140 154:2 155:275 156:170 157:301 158:115 159:312 160:282 161:143 162:270 163:146 164:482 165:501 166:276 167:359 168:672 169:163 170:469 171:46 172:10 173:290 174:223 178:1 180:1 183:1 186:18 187:401 188:23 189:641 190:2706 192:5783 193:4232 194:3303 195:2706 196:1090 198:3628 199:3369 200:5151 201:1301 202:7908 203:8187 204:3829 205:2152 206:2436 207:2736 208:3890 209:3420 210:2682 211:1122 212:1556 213:1674 214:78 215:31 216:4645 217:1293 218:383 219:442 220:1218 221:483 222:303 End of report
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