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[routing-wg][SANOG] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Dec 26 19:12:22 CET 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 27 Dec, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 275775 Prefixes after maximum aggregation: 131490 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 133298 Total ASes present in the Internet Routing Table: 30186 Prefixes per ASN: 9.14 Origin-only ASes present in the Internet Routing Table: 26269 Origin ASes announcing only one prefix: 12810 Transit ASes present in the Internet Routing Table: 3917 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: 23 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 524 Unregistered ASNs in the Routing Table: 195 Number of 32-bit ASNs allocated by the RIRs: 70 Prefixes from 32-bit ASNs in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 211 Number of addresses announced to Internet: 1979718688 Equivalent to 118 /8s, 0 /16s and 28 /24s Percentage of available address space announced: 53.4 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 84.6 Percentage of address space in use by end-sites: 75.0 Total number of prefixes smaller than registry allocations: 135418 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 63555 Total APNIC prefixes after maximum aggregation: 22690 APNIC Deaggregation factor: 2.80 Prefixes being announced from the APNIC address blocks: 60451 Unique aggregates announced from the APNIC address blocks: 26032 APNIC Region origin ASes present in the Internet Routing Table: 3500 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 959 APNIC Region transit ASes present in the Internet Routing Table: 537 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 394956192 Equivalent to 23 /8s, 138 /16s and 141 /24s Percentage of available APNIC address space announced: 78.5 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, 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: 123300 Total ARIN prefixes after maximum aggregation: 64626 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 92403 Unique aggregates announced from the ARIN address blocks: 35088 ARIN Region origin ASes present in the Internet Routing Table: 12672 ARIN Prefixes per ASN: 7.29 ARIN Region origin ASes announcing only one prefix: 4886 ARIN Region transit ASes present in the Internet Routing Table: 1215 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 405361440 Equivalent to 24 /8s, 41 /16s and 83 /24s Percentage of available ARIN address space announced: 77.9 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, 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: 61339 Total RIPE prefixes after maximum aggregation: 36726 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 56967 Unique aggregates announced from the RIPE address blocks: 37920 RIPE Region origin ASes present in the Internet Routing Table: 12423 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 6542 RIPE Region transit ASes present in the Internet Routing Table: 1888 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 383880800 Equivalent to 22 /8s, 225 /16s and 142 /24s Percentage of available RIPE address space announced: 88.0 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: 23044 Total LACNIC prefixes after maximum aggregation: 5649 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 21061 Unique aggregates announced from the LACNIC address blocks: 11616 LACNIC Region origin ASes present in the Internet Routing Table: 1040 LACNIC Prefixes per ASN: 20.25 LACNIC Region origin ASes announcing only one prefix: 336 LACNIC Region transit ASes present in the Internet Routing Table: 168 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 59283840 Equivalent to 3 /8s, 136 /16s and 153 /24s Percentage of available LACNIC address space announced: 58.9 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: 4031 Total AfriNIC prefixes after maximum aggregation: 1380 AfriNIC Deaggregation factor: 2.92 Prefixes being announced from the AfriNIC address blocks: 4254 Unique aggregates announced from the AfriNIC address blocks: 2184 AfriNIC Region origin ASes present in the Internet Routing Table: 274 AfriNIC Prefixes per ASN: 15.53 AfriNIC Region origin ASes announcing only one prefix: 87 AfriNIC Region transit ASes present in the Internet Routing Table: 56 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 22 Number of AfriNIC addresses announced to Internet: 13105408 Equivalent to 0 /8s, 199 /16s and 249 /24s Percentage of available AfriNIC address space announced: 26.0 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1642 6409 368 Korea Telecom (KIX) 17488 1466 102 101 Hathway IP Over Cable Interne 4755 1177 475 152 TATA Communications formerly 9583 904 131 66 Sify Limited 4134 892 15833 358 CHINANET-BACKBONE 18101 782 168 31 Reliance Infocom Ltd Internet 9498 756 291 45 BHARTI BT INTERNET LTD. 4780 725 358 64 Digital United Inc. 7545 658 152 81 TPG Internet Pty Ltd 24560 641 226 165 Bharti Airtel Ltd. 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 4382 3435 345 bellsouth.net, inc. 209 2845 4032 623 Qwest 20115 1851 1473 743 Charter Communications 1785 1707 717 155 PaeTec Communications, Inc. 6478 1613 372 274 AT&T Worldnet Services 4323 1608 1067 379 Time Warner Telecom 2386 1586 706 897 AT&T Data Communications Serv 7018 1424 5872 984 AT&T WorldNet Services 11492 1220 192 12 Cable One 3356 1104 10994 431 Level 3 Communications, LLC 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 433 1764 382 TDC Tele Danmark 30890 391 80 203 SC Kappa Invexim SRL 12479 379 578 6 Uni2 Autonomous System 3301 336 1413 303 TeliaNet Sweden 3320 333 7065 282 Deutsche Telekom AG 8866 331 109 22 Bulgarian Telecommunication C 29049 323 26 3 AzerSat LLC. 3215 321 2856 95 France Telecom Transpac 8551 304 287 35 Bezeq International 25233 289 44 24 Awalnet 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 1402 2832 224 UniNet S.A. de C.V. 11830 671 299 9 Instituto Costarricense de El 10620 658 138 57 TVCABLE BOGOTA 22047 565 302 14 VTR PUNTO NET S.A. 7303 503 249 74 Telecom Argentina Stet-France 6471 429 86 43 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 11172 400 118 72 Servicios Alestra S.A de C.V 28573 365 491 24 NET Servicos de Comunicao S.A 7738 360 730 27 Telecomunicacoes da Bahia 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 439 72 54 LINKdotNET AS number 3741 270 857 227 The Internet Solution 20858 256 34 3 This AS will be used to conne 2018 239 215 140 Tertiary Education Network 6713 145 139 12 Itissalat Al-MAGHRIB 33783 143 10 17 EEPAD TISP TELECOM & INTERNET 29571 121 15 8 Ci Telecom Autonomous system 5536 120 8 17 Internet Egypt Network 5713 119 555 68 Telkom SA Ltd 33776 118 6 3 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 4382 3435 345 bellsouth.net, inc. 209 2845 4032 623 Qwest 20115 1851 1473 743 Charter Communications 1785 1707 717 155 PaeTec Communications, Inc. 4766 1642 6409 368 Korea Telecom (KIX) 6478 1613 372 274 AT&T Worldnet Services 4323 1608 1067 379 Time Warner Telecom 2386 1586 706 897 AT&T Data Communications Serv 17488 1466 102 101 Hathway IP Over Cable Interne 7018 1424 5872 984 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 2845 2222 Qwest 1785 1707 1552 PaeTec Communications, Inc. 17488 1466 1365 Hathway IP Over Cable Interne 6478 1613 1339 AT&T Worldnet Services 4766 1642 1274 Korea Telecom (KIX) 4323 1608 1229 Time Warner Telecom 11492 1220 1208 Cable One 8151 1402 1178 UniNet S.A. de C.V. 20115 1851 1108 Charter Communications 18566 1060 1050 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 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 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 63.143.251.0/24 22555 Universal Talkware Corporatio 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 /9:9 /10:20 /11:54 /12:158 /13:309 /14:562 /15:1099 /16:10278 /17:4531 /18:7748 /19:16669 /20:19590 /21:19150 /22:24337 /23:24847 /24:144305 /25:650 /26:809 /27:518 /28:96 /29:8 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2865 4382 bellsouth.net, inc. 209 1591 2845 Qwest 4766 1374 1642 Korea Telecom (KIX) 2386 1263 1586 AT&T Data Communications Serv 17488 1256 1466 Hathway IP Over Cable Interne 11492 1190 1220 Cable One 1785 1168 1707 PaeTec Communications, Inc. 6478 1131 1613 AT&T Worldnet Services 18566 1041 1060 Covad Communications 20115 930 1851 Charter Communications Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:172 12:2229 13:2 15:21 16:3 17:5 20:35 24:1104 32:54 38:528 40:96 41:825 43:1 44:2 47:9 52:3 55:3 56:3 57:26 58:519 59:597 60:456 61:1107 62:1086 63:2002 64:3416 65:2447 66:3611 67:1444 68:655 69:2430 70:531 71:173 72:1589 73:7 74:1338 75:193 76:306 77:899 78:522 79:309 80:940 81:838 82:543 83:382 84:592 85:1058 86:494 87:651 88:349 89:1383 90:41 91:1801 92:303 93:1077 94:828 95:141 96:95 97:151 98:173 99:10 110:1 111:1 113:56 114:146 115:173 116:1095 117:421 118:248 119:587 120:120 121:700 122:883 123:464 124:765 125:1337 128:359 129:220 130:135 131:410 132:72 133:9 134:323 135:33 136:224 137:133 138:144 139:92 140:414 141:110 142:381 143:290 144:315 145:53 146:371 147:142 148:606 149:219 150:139 151:208 152:149 153:131 154:10 155:250 156:168 157:304 158:163 159:300 160:274 161:131 162:255 163:142 164:516 165:501 166:364 167:348 168:666 169:159 170:461 171:38 172:10 173:138 174:17 187:17 188:1 189:353 190:2532 192:5812 193:4152 194:3291 195:2663 196:1029 198:3696 199:3316 200:5578 201:1505 202:7775 203:8073 204:3922 205:2161 206:2323 207:2771 208:3786 209:3498 210:2673 211:1165 212:1554 213:1618 214:69 215:29 216:4519 217:1196 218:377 219:402 220:1226 221:410 222:299 End of report -- This is the SANOG (http://www.sanog.org/) mailing list.
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