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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jan 9 19:10:22 CET 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 10 Jan, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 276748 Prefixes after maximum aggregation: 132415 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 135537 Total ASes present in the Internet Routing Table: 30275 Prefixes per ASN: 9.14 Origin-only ASes present in the Internet Routing Table: 26332 Origin ASes announcing only one prefix: 12831 Transit ASes present in the Internet Routing Table: 3943 Transit-only ASes present in the Internet Routing Table: 92 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 23 Max AS path prepend of ASN (33868) 19 Prefixes from unregistered ASNs in the Routing Table: 493 Unregistered ASNs in the Routing Table: 182 Number of 32-bit ASNs allocated by the RIRs: 71 Prefixes from 32-bit ASNs in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 254 Number of addresses announced to Internet: 1981613920 Equivalent to 118 /8s, 29 /16s and 7 /24s Percentage of available address space announced: 53.5 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 84.6 Percentage of address space in use by end-sites: 75.1 Total number of prefixes smaller than registry allocations: 135621 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 64123 Total APNIC prefixes after maximum aggregation: 23155 APNIC Deaggregation factor: 2.77 Prefixes being announced from the APNIC address blocks: 60992 Unique aggregates announced from the APNIC address blocks: 27681 APNIC Region origin ASes present in the Internet Routing Table: 3503 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 955 APNIC Region transit ASes present in the Internet Routing Table: 538 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 394564832 Equivalent to 23 /8s, 132 /16s and 148 /24s Percentage of available APNIC address space announced: 78.4 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, 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: 123262 Total ARIN prefixes after maximum aggregation: 64979 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 92772 Unique aggregates announced from the ARIN address blocks: 35437 ARIN Region origin ASes present in the Internet Routing Table: 12709 ARIN Prefixes per ASN: 7.30 ARIN Region origin ASes announcing only one prefix: 4893 ARIN Region transit ASes present in the Internet Routing Table: 1217 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 405753632 Equivalent to 24 /8s, 47 /16s and 79 /24s Percentage of available ARIN address space announced: 78.0 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: 61632 Total RIPE prefixes after maximum aggregation: 36822 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 57016 Unique aggregates announced from the RIPE address blocks: 38082 RIPE Region origin ASes present in the Internet Routing Table: 12474 RIPE Prefixes per ASN: 4.57 RIPE Region origin ASes announcing only one prefix: 6561 RIPE Region transit ASes present in the Internet Routing Table: 1905 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 384010848 Equivalent to 22 /8s, 227 /16s and 138 /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: 22922 Total LACNIC prefixes after maximum aggregation: 5700 LACNIC Deaggregation factor: 4.02 Prefixes being announced from the LACNIC address blocks: 21035 Unique aggregates announced from the LACNIC address blocks: 11598 LACNIC Region origin ASes present in the Internet Routing Table: 1047 LACNIC Prefixes per ASN: 20.09 LACNIC Region origin ASes announcing only one prefix: 338 LACNIC Region transit ASes present in the Internet Routing Table: 172 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 59650432 Equivalent to 3 /8s, 142 /16s and 49 /24s Percentage of available LACNIC address space announced: 59.3 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: 4335 Total AfriNIC prefixes after maximum aggregation: 1363 AfriNIC Deaggregation factor: 3.18 Prefixes being announced from the AfriNIC address blocks: 4772 Unique aggregates announced from the AfriNIC address blocks: 2189 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 17.29 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 60 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC addresses announced to Internet: 13108480 Equivalent to 0 /8s, 200 /16s and 5 /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 1649 6410 374 Korea Telecom (KIX) 17488 1482 104 100 Hathway IP Over Cable Interne 4755 1181 435 170 TATA Communications formerly 9583 1107 87 523 Sify Limited 4134 896 15977 361 CHINANET-BACKBONE 18101 782 168 30 Reliance Infocom Ltd Internet 4780 720 358 65 Digital United Inc. 9498 688 297 52 BHARTI BT INTERNET LTD. 7545 662 152 81 TPG Internet Pty Ltd 24560 659 224 180 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 4389 3435 345 bellsouth.net, inc. 209 2847 4033 622 Qwest 20115 1852 1458 743 Charter Communications 1785 1711 718 158 PaeTec Communications, Inc. 4323 1614 1051 382 Time Warner Telecom 2386 1582 706 896 AT&T Data Communications Serv 7018 1429 5871 990 AT&T WorldNet Services 11492 1232 192 12 Cable One 6478 1191 298 444 AT&T Worldnet Services 3356 1108 10994 432 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 8452 446 188 7 TEDATA 3292 436 1764 383 TDC Tele Danmark 12479 386 578 6 Uni2 Autonomous System 30890 386 85 198 SC Kappa Invexim SRL 3301 336 1669 303 TeliaNet Sweden 3320 332 7065 281 Deutsche Telekom AG 8866 330 109 22 Bulgarian Telecommunication C 3215 327 2857 96 France Telecom Transpac 29049 325 26 3 AzerSat LLC. 8551 304 287 35 Bezeq International 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 1406 2833 222 UniNet S.A. de C.V. 10620 698 151 58 TVCABLE BOGOTA 11830 671 299 9 Instituto Costarricense de El 22047 565 302 14 VTR PUNTO NET S.A. 7303 507 251 77 Telecom Argentina Stet-France 6471 429 86 40 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 11172 409 118 72 Servicios Alestra S.A de C.V 28573 369 493 20 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 591 72 41 LINKdotNET AS number 3741 270 857 227 The Internet Solution 20858 262 34 3 This AS will be used to conne 2018 239 215 140 Tertiary Education Network 33783 150 10 8 EEPAD TISP TELECOM & INTERNET 6713 144 135 11 Itissalat Al-MAGHRIB 29571 126 15 8 Ci Telecom Autonomous system 5536 120 8 17 Internet Egypt Network 5713 118 555 67 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 4389 3435 345 bellsouth.net, inc. 209 2847 4033 622 Qwest 20115 1852 1458 743 Charter Communications 1785 1711 718 158 PaeTec Communications, Inc. 4766 1649 6410 374 Korea Telecom (KIX) 4323 1614 1051 382 Time Warner Telecom 2386 1582 706 896 AT&T Data Communications Serv 17488 1482 104 100 Hathway IP Over Cable Interne 7018 1429 5871 990 AT&T WorldNet Services 8151 1406 2833 222 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 2847 2225 Qwest 1785 1711 1553 PaeTec Communications, Inc. 17488 1482 1382 Hathway IP Over Cable Interne 4766 1649 1275 Korea Telecom (KIX) 4323 1614 1232 Time Warner Telecom 11492 1232 1220 Cable One 8151 1406 1184 UniNet S.A. de C.V. 20115 1852 1109 Charter Communications 18566 1060 1050 Covad Communications 4755 1181 1011 TATA Communications formerly 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 41.223.112.0/22 5713 Telkom SA Ltd 41.223.132.0/24 12491 IPPlanet 41.223.133.0/24 12491 IPPlanet 41.223.134.0/24 12491 IPPlanet 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 /9:9 /10:20 /11:54 /12:159 /13:310 /14:561 /15:1101 /16:10300 /17:4531 /18:7788 /19:16707 /20:19620 /21:19250 /22:24350 /23:24760 /24:145115 /25:647 /26:822 /27:514 /28:95 /29:8 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2866 4389 bellsouth.net, inc. 209 1588 2847 Qwest 4766 1384 1649 Korea Telecom (KIX) 17488 1267 1482 Hathway IP Over Cable Interne 2386 1261 1582 AT&T Data Communications Serv 11492 1200 1232 Cable One 1785 1170 1711 PaeTec Communications, Inc. 18566 1041 1060 Covad Communications 9583 967 1107 Sify Limited 20115 931 1852 Charter Communications Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:174 12:2188 13:2 15:21 16:3 17:5 20:36 24:1106 32:54 38:533 40:96 41:1017 43:1 44:2 47:9 52:3 55:3 56:3 57:26 58:518 59:607 60:455 61:1112 62:1128 63:2007 64:3398 65:2459 66:3618 67:1446 68:654 69:2436 70:531 71:175 72:1589 73:7 74:1348 75:194 76:306 77:792 78:527 79:303 80:944 81:850 82:580 83:381 84:598 85:1069 86:399 87:641 88:352 89:1368 90:44 91:1837 92:306 93:1097 94:859 95:155 96:97 97:158 98:175 99:10 110:1 111:1 112:5 113:57 114:153 115:188 116:1114 117:464 118:247 119:603 120:129 121:713 122:920 123:494 124:868 125:1281 128:358 129:222 130:135 131:411 132:70 133:9 134:325 135:35 136:224 137:136 138:145 139:92 140:412 141:109 142:384 143:309 144:323 145:53 146:372 147:142 148:610 149:222 150:139 151:208 152:149 153:125 154:10 155:242 156:168 157:270 158:140 159:300 160:276 161:133 162:255 163:145 164:518 165:504 166:364 167:348 168:678 169:161 170:461 171:38 172:10 173:193 174:50 187:17 188:1 189:357 190:2498 192:5816 193:4182 194:3309 195:2666 196:1069 198:3692 199:3305 200:5507 201:1476 202:7820 203:8105 204:3931 205:2168 206:2333 207:2772 208:3803 209:3534 210:2744 211:1164 212:1551 213:1640 214:67 215:29 216:4541 217:1210 218:369 219:403 220:1231 221:464 222:296 End of report
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