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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Dec 19 19:12:11 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 20 Dec, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 275380 Prefixes after maximum aggregation: 131356 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 132855 Total ASes present in the Internet Routing Table: 30108 Prefixes per ASN: 9.15 Origin-only ASes present in the Internet Routing Table: 26219 Origin ASes announcing only one prefix: 12782 Transit ASes present in the Internet Routing Table: 3889 Transit-only ASes present in the Internet Routing Table: 94 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 20 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 522 Unregistered ASNs in the Routing Table: 187 Number of 32-bit ASNs allocated by the RIRs: 68 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: 259 Number of addresses announced to Internet: 1976219264 Equivalent to 117 /8s, 202 /16s and 182 /24s Percentage of available address space announced: 53.3 Percentage of allocated address space announced: 63.7 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 75.0 Total number of prefixes smaller than registry allocations: 135179 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 63202 Total APNIC prefixes after maximum aggregation: 22693 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 60116 Unique aggregates announced from the APNIC address blocks: 25952 APNIC Region origin ASes present in the Internet Routing Table: 3494 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 952 APNIC Region transit ASes present in the Internet Routing Table: 535 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 393369248 Equivalent to 23 /8s, 114 /16s and 86 /24s Percentage of available APNIC address space announced: 78.2 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: 122949 Total ARIN prefixes after maximum aggregation: 64542 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 92199 Unique aggregates announced from the ARIN address blocks: 35045 ARIN Region origin ASes present in the Internet Routing Table: 12660 ARIN Prefixes per ASN: 7.28 ARIN Region origin ASes announcing only one prefix: 4896 ARIN Region transit ASes present in the Internet Routing Table: 1212 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 405197088 Equivalent to 24 /8s, 38 /16s and 209 /24s Percentage of available ARIN address space announced: 83.3 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: 62209 Total RIPE prefixes after maximum aggregation: 36644 RIPE Deaggregation factor: 1.70 Prefixes being announced from the RIPE address blocks: 56377 Unique aggregates announced from the RIPE address blocks: 37798 RIPE Region origin ASes present in the Internet Routing Table: 12375 RIPE Prefixes per ASN: 4.56 RIPE Region origin ASes announcing only one prefix: 6516 RIPE Region transit ASes present in the Internet Routing Table: 1866 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 382814560 Equivalent to 22 /8s, 209 /16s and 73 /24s Percentage of available RIPE address space announced: 87.8 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: 22976 Total LACNIC prefixes after maximum aggregation: 5628 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 21001 Unique aggregates announced from the LACNIC address blocks: 11591 LACNIC Region origin ASes present in the Internet Routing Table: 1042 LACNIC Prefixes per ASN: 20.15 LACNIC Region origin ASes announcing only one prefix: 337 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 59214848 Equivalent to 3 /8s, 135 /16s and 140 /24s Percentage of available LACNIC address space announced: 58.8 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: 3541 Total AfriNIC prefixes after maximum aggregation: 1429 AfriNIC Deaggregation factor: 2.48 Prefixes being announced from the AfriNIC address blocks: 5159 Unique aggregates announced from the AfriNIC address blocks: 1961 AfriNIC Region origin ASes present in the Internet Routing Table: 262 AfriNIC Prefixes per ASN: 19.69 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 12454656 Equivalent to 0 /8s, 190 /16s and 11 /24s Percentage of available AfriNIC address space announced: 24.7 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 1557 6409 364 Korea Telecom (KIX) 17488 1442 101 99 Hathway IP Over Cable Interne 4755 1174 475 153 TATA Communications formerly 4134 898 15543 356 CHINANET-BACKBONE 9583 871 133 81 Sify Limited 18101 786 168 33 Reliance Infocom Ltd Internet 4780 727 358 64 Digital United Inc. 9498 688 310 48 BHARTI BT INTERNET LTD. 7545 656 152 81 TPG Internet Pty Ltd 24560 635 210 164 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 4383 3435 344 bellsouth.net, inc. 209 2847 4033 626 Qwest 20115 1849 1472 742 Charter Communications 1785 1706 717 155 PaeTec Communications, Inc. 4323 1611 1067 382 Time Warner Telecom 6478 1601 368 289 AT&T Worldnet Services 2386 1578 705 891 AT&T Data Communications Serv 7018 1436 5873 994 AT&T WorldNet Services 11492 1230 192 12 Cable One 3356 1104 10994 430 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 1632 188 11 TEDATA 3292 434 1764 383 TDC Tele Danmark 30890 391 80 203 SC Kappa Invexim SRL 12479 377 578 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 330 26 3 AzerSat LLC. 3215 321 2856 95 France Telecom Transpac 8551 303 287 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. 11830 667 299 9 Instituto Costarricense de El 10620 631 135 55 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 343 730 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 280 48 128 LINKdotNET AS number 3741 270 857 227 The Internet Solution 2018 239 215 140 Tertiary Education Network 6713 144 135 11 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 116 6 3 Starcomms Nigeria Limited 2905 80 177 76 Verizon South Africa 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 4383 3435 344 bellsouth.net, inc. 209 2847 4033 626 Qwest 20115 1849 1472 742 Charter Communications 1785 1706 717 155 PaeTec Communications, Inc. 8452 1632 188 11 TEDATA 4323 1611 1067 382 Time Warner Telecom 6478 1601 368 289 AT&T Worldnet Services 2386 1578 705 891 AT&T Data Communications Serv 4766 1557 6409 364 Korea Telecom (KIX) 17488 1442 101 99 Hathway IP Over Cable Interne 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 2221 Qwest 8452 1632 1621 TEDATA 1785 1706 1551 PaeTec Communications, Inc. 17488 1442 1343 Hathway IP Over Cable Interne 6478 1601 1312 AT&T Worldnet Services 4323 1611 1229 Time Warner Telecom 11492 1230 1218 Cable One 4766 1557 1193 Korea Telecom (KIX) 8151 1406 1184 UniNet S.A. de C.V. 20115 1849 1107 Charter 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 /12:159 /13:308 /14:559 /15:1096 /16:10268 /17:4512 /18:7750 /19:16644 /20:19464 /21:19076 /22:24169 /23:24653 /24:144536 /25:644 /26:807 /27:519 /28:97 /29:8 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2866 4383 bellsouth.net, inc. 209 1594 2847 Qwest 8452 1317 1632 TEDATA 4766 1292 1557 Korea Telecom (KIX) 2386 1260 1578 AT&T Data Communications Serv 17488 1232 1442 Hathway IP Over Cable Interne 11492 1200 1230 Cable One 1785 1166 1706 PaeTec Communications, Inc. 6478 1129 1601 AT&T Worldnet Services 18566 1041 1060 Covad Communications Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:170 12:2225 13:2 15:21 16:3 17:5 20:36 24:1107 32:54 38:525 40:96 41:1772 43:1 44:2 47:9 52:3 55:3 56:3 57:26 58:518 59:595 60:456 61:1094 62:1016 63:2002 64:3406 65:2445 66:3607 67:1439 68:655 69:2374 70:530 71:173 72:1597 73:7 74:1335 75:191 76:306 77:853 78:511 79:299 80:920 81:907 82:537 83:392 84:410 85:1036 86:494 87:655 88:350 89:1363 90:45 91:1796 92:298 93:1052 94:837 95:106 96:95 97:150 98:172 99:10 100:1 110:1 111:1 113:52 114:144 115:166 116:1069 117:416 118:234 119:578 120:116 121:699 122:895 123:435 124:790 125:1273 128:359 129:219 130:135 131:408 132:72 133:9 134:193 135:33 136:225 137:131 138:144 139:91 140:412 141:110 142:389 143:296 144:309 145:53 146:371 147:143 148:610 149:219 150:140 151:209 152:149 153:131 154:10 155:249 156:167 157:304 158:164 159:300 160:274 161:131 162:254 163:146 164:515 165:500 166:364 167:348 168:669 169:159 170:459 171:38 172:10 173:128 174:11 187:16 188:1 189:356 190:2542 192:5822 193:4145 194:3298 195:2631 196:1205 198:3710 199:3315 200:5584 201:1504 202:7780 203:8068 204:3930 205:2128 206:2319 207:2761 208:3794 209:3494 210:2688 211:1132 212:1501 213:1583 214:62 215:26 216:4498 217:1201 218:379 219:405 220:1220 221:400 222:299 End of report
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