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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 10 20:09:08 CEST 2008
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 11 Oct, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 270790 Prefixes after maximum aggregation: 130670 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 131713 Total ASes present in the Internet Routing Table: 29477 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 25621 Origin ASes announcing only one prefix: 12506 Transit ASes present in the Internet Routing Table: 3856 Transit-only ASes present in the Internet Routing Table: 82 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 18 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 569 Unregistered ASNs in the Routing Table: 208 Number of 32-bit ASNs allocated by the RIRs: 61 Prefixes from 32-bit ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 755 Number of addresses announced to Internet: 1911844672 Equivalent to 113 /8s, 244 /16s and 111 /24s Percentage of available address space announced: 51.6 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.7 Total number of prefixes smaller than registry allocations: 132945 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 62393 Total APNIC prefixes after maximum aggregation: 23186 APNIC Deaggregation factor: 2.69 Prefixes being announced from the APNIC address blocks: 59270 Unique aggregates announced from the APNIC address blocks: 26697 APNIC Region origin ASes present in the Internet Routing Table: 3402 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 903 APNIC Region transit ASes present in the Internet Routing Table: 543 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 378110880 Equivalent to 22 /8s, 137 /16s and 131 /24s Percentage of available APNIC address space announced: 80.5 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, 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, 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: 123078 Total ARIN prefixes after maximum aggregation: 64823 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 92344 Unique aggregates announced from the ARIN address blocks: 35062 ARIN Region origin ASes present in the Internet Routing Table: 12519 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4856 ARIN Region transit ASes present in the Internet Routing Table: 1197 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 365498400 Equivalent to 21 /8s, 201 /16s and 16 /24s Percentage of available ARIN address space announced: 75.1 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 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, 173/8, 174/8, 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: 58965 Total RIPE prefixes after maximum aggregation: 35511 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 54163 Unique aggregates announced from the RIPE address blocks: 36250 RIPE Region origin ASes present in the Internet Routing Table: 12011 RIPE Prefixes per ASN: 4.51 RIPE Region origin ASes announcing only one prefix: 6332 RIPE Region transit ASes present in the Internet Routing Table: 1842 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 375037856 Equivalent to 22 /8s, 90 /16s and 159 /24s Percentage of available RIPE address space announced: 86.0 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, 47104-49151 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 21825 Total LACNIC prefixes after maximum aggregation: 5399 LACNIC Deaggregation factor: 4.04 Prefixes being announced from the LACNIC address blocks: 19874 Unique aggregates announced from the LACNIC address blocks: 11074 LACNIC Region origin ASes present in the Internet Routing Table: 1010 LACNIC Prefixes per ASN: 19.68 LACNIC Region origin ASes announcing only one prefix: 332 LACNIC Region transit ASes present in the Internet Routing Table: 170 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 57342720 Equivalent to 3 /8s, 106 /16s and 251 /24s Percentage of available LACNIC address space announced: 57.0 LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3963 Total AfriNIC prefixes after maximum aggregation: 1310 AfriNIC Deaggregation factor: 3.03 Prefixes being announced from the AfriNIC address blocks: 4229 Unique aggregates announced from the AfriNIC address blocks: 2056 AfriNIC Region origin ASes present in the Internet Routing Table: 261 AfriNIC Prefixes per ASN: 16.20 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 56 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12835328 Equivalent to 0 /8s, 195 /16s and 218 /24s Percentage of available AfriNIC address space announced: 38.3 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4755 1476 522 197 TATA Communications formerly 17488 1420 96 103 Hathway IP Over Cable Interne 9583 1108 87 476 Sify Limited 4766 885 6407 362 Korea Telecom (KIX) 4134 843 13664 346 CHINANET-BACKBONE 23577 811 34 694 Korea Telecom (ATM-MPLS) 18101 781 167 26 Reliance Infocom Ltd Internet 4780 716 355 61 Digital United Inc. 9498 686 295 54 BHARTI BT INTERNET LTD. 4808 627 1164 142 CNCGROUP IP network: China169 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 4296 3416 339 bellsouth.net, inc. 209 2938 4033 621 Qwest 6298 2011 319 711 Cox Communicatons 20115 1878 1424 715 Charter Communications 1785 1670 717 154 PaeTec Communications, Inc. 2386 1558 699 896 AT&T Data Communications Serv 4323 1553 1084 376 Time Warner Telecom 7018 1410 5859 988 AT&T WorldNet Services 6478 1312 273 197 AT&T Worldnet Services 11492 1216 152 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 3292 435 1777 384 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 3215 328 2756 107 France Telecom Transpac 3301 328 1428 299 TeliaNet Sweden 3320 325 7063 274 Deutsche Telekom AG 8866 324 79 22 Bulgarian Telecommunication C 8452 308 188 11 TEDATA 5462 301 794 27 Telewest Broadband 8551 287 270 37 Bezeq International 680 275 2047 265 DFN-IP service G-WiN 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 1419 2849 219 UniNet S.A. de C.V. 11830 669 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 10620 504 122 61 TVCABLE BOGOTA 7303 490 241 69 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 420 85 49 ENTEL CHILE S.A. 11172 407 118 71 Servicios Alestra S.A de C.V 28573 372 460 23 NET Servicos de Comunicao S.A 14117 343 23 9 Telefonica del Sur S.A. 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 543 71 39 LINKdotNET AS number 3741 267 856 225 The Internet Solution 2018 235 215 139 Tertiary Education Network 20858 194 34 3 EgyNet 6713 143 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 119 555 69 Telkom SA Ltd 33776 116 6 3 Starcomms Nigeria Limited 29571 109 13 9 Ci Telecom Autonomous system 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 4296 3416 339 bellsouth.net, inc. 209 2938 4033 621 Qwest 6298 2011 319 711 Cox Communicatons 20115 1878 1424 715 Charter Communications 1785 1670 717 154 PaeTec Communications, Inc. 2386 1558 699 896 AT&T Data Communications Serv 4323 1553 1084 376 Time Warner Telecom 4755 1476 522 197 TATA Communications formerly 17488 1420 96 103 Hathway IP Over Cable Interne 8151 1419 2849 219 UniNet S.A. de C.V. Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2938 2317 Qwest 1785 1670 1516 PaeTec Communications, Inc. 17488 1420 1317 Hathway IP Over Cable Interne 6298 2011 1300 Cox Communicatons 4755 1476 1279 TATA Communications formerly 11492 1216 1205 Cable One 8151 1419 1200 UniNet S.A. de C.V. 4323 1553 1177 Time Warner Telecom 20115 1878 1163 Charter Communications 6478 1312 1115 AT&T Worldnet Services 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 22492 UNALLOCATED 12.2.46.0/24 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 3549 Global Crossing Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 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 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, 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 /8:18 /9:9 /10:17 /11:46 /12:148 /13:297 /14:536 /15:1063 /16:10150 /17:4411 /18:7643 /19:16360 /20:19220 /21:18775 /22:23634 /23:24603 /24:141184 /25:820 /26:989 /27:763 /28:87 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2843 4296 bellsouth.net, inc. 6298 1985 2011 Cox Communicatons 209 1696 2938 Qwest 2386 1238 1558 AT&T Data Communications Serv 17488 1213 1420 Hathway IP Over Cable Interne 11492 1192 1216 Cable One 1785 1131 1670 PaeTec Communications, Inc. 6478 1098 1312 AT&T Worldnet Services 18566 1043 1062 Covad Communications 20115 987 1878 Charter Communications Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:140 12:2182 13:2 15:22 16:3 17:5 18:13 20:35 24:1135 31:1 32:58 38:508 40:92 41:710 43:1 44:2 47:12 52:3 55:3 56:3 57:26 58:517 59:527 60:452 61:980 62:1098 63:2032 64:3227 65:2407 66:3518 67:1277 68:802 69:2320 70:861 71:275 72:2030 73:7 74:1239 75:188 76:275 77:816 78:843 79:266 80:907 81:871 82:600 83:392 84:553 85:1008 86:400 87:708 88:340 89:1376 90:22 91:1582 92:274 93:895 94:235 95:3 96:79 97:97 98:340 99:8 113:10 114:95 115:118 116:1007 117:374 118:237 119:517 120:93 121:599 122:855 123:440 124:867 125:1193 128:356 129:204 130:135 131:415 132:72 133:9 134:184 135:32 136:223 137:97 138:143 139:81 140:509 141:108 142:403 143:301 144:327 145:50 146:373 147:156 148:529 149:211 150:128 151:181 152:148 153:136 154:10 155:282 156:174 157:301 158:170 159:304 160:275 161:138 162:255 163:133 164:519 165:510 166:364 167:337 168:637 169:143 170:450 171:33 172:10 173:50 187:16 188:1 189:325 190:2299 192:5750 193:4130 194:3243 195:2584 196:1009 198:3740 199:3294 200:5553 201:1422 202:7771 203:8077 204:3923 205:2143 206:2341 207:2757 208:3666 209:3433 210:2564 211:1100 212:1482 213:1544 214:169 215:50 216:4393 217:1237 218:346 219:440 220:1054 221:416 222:290 End of report
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