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@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 22 Nov, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 274832 Prefixes after maximum aggregation: 131770 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 133162 Total ASes present in the Internet Routing Table: 29863 Prefixes per ASN: 9.20 Origin-only ASes present in the Internet Routing Table: 26014 Origin ASes announcing only one prefix: 12666 Transit ASes present in the Internet Routing Table: 3849 Transit-only ASes present in the Internet Routing Table: 85 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 19 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 539 Unregistered ASNs in the Routing Table: 195 Number of 32-bit ASNs allocated by the RIRs: 65 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 200 Number of addresses announced to Internet: 1960189952 Equivalent to 116 /8s, 214 /16s and 32 /24s Percentage of available address space announced: 52.9 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.4 Total number of prefixes smaller than registry allocations: 135548 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 62781 Total APNIC prefixes after maximum aggregation: 23297 APNIC Deaggregation factor: 2.69 Prefixes being announced from the APNIC address blocks: 59732 Unique aggregates announced from the APNIC address blocks: 26968 APNIC Region origin ASes present in the Internet Routing Table: 3467 APNIC Prefixes per ASN: 17.23 APNIC Region origin ASes announcing only one prefix: 939 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: 19 Number of APNIC addresses announced to Internet: 385251744 Equivalent to 22 /8s, 246 /16s and 121 /24s Percentage of available APNIC address space announced: 76.5 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: 124396 Total ARIN prefixes after maximum aggregation: 64922 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 93713 Unique aggregates announced from the ARIN address blocks: 34784 ARIN Region origin ASes present in the Internet Routing Table: 12613 ARIN Prefixes per ASN: 7.43 ARIN Region origin ASes announcing only one prefix: 4877 ARIN Region transit ASes present in the Internet Routing Table: 1193 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 401255584 Equivalent to 23 /8s, 234 /16s and 172 /24s Percentage of available ARIN address space announced: 82.5 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: 60483 Total RIPE prefixes after maximum aggregation: 36191 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 56086 Unique aggregates announced from the RIPE address blocks: 37394 RIPE Region origin ASes present in the Internet Routing Table: 12213 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 6430 RIPE Region transit ASes present in the Internet Routing Table: 1854 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 379496800 Equivalent to 22 /8s, 158 /16s and 169 /24s Percentage of available RIPE address space announced: 87.0 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: 22382 Total LACNIC prefixes after maximum aggregation: 5571 LACNIC Deaggregation factor: 4.02 Prefixes being announced from the LACNIC address blocks: 20411 Unique aggregates announced from the LACNIC address blocks: 11400 LACNIC Region origin ASes present in the Internet Routing Table: 1030 LACNIC Prefixes per ASN: 19.82 LACNIC Region origin ASes announcing only one prefix: 338 LACNIC Region transit ASes present in the Internet Routing Table: 168 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 58127616 Equivalent to 3 /8s, 118 /16s and 245 /24s Percentage of available LACNIC address space announced: 57.7 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: 4273 Total AfriNIC prefixes after maximum aggregation: 1359 AfriNIC Deaggregation factor: 3.14 Prefixes being announced from the AfriNIC address blocks: 4575 Unique aggregates announced from the AfriNIC address blocks: 2171 AfriNIC Region origin ASes present in the Internet Routing Table: 270 AfriNIC Prefixes per ASN: 16.94 AfriNIC Region origin ASes announcing only one prefix: 82 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: 12953856 Equivalent to 0 /8s, 197 /16s and 169 /24s Percentage of available AfriNIC address space announced: 25.7 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 17488 1425 100 114 Hathway IP Over Cable Interne 4755 1182 474 155 TATA Communications formerly 9583 1149 87 480 Sify Limited 4766 1092 6409 364 Korea Telecom (KIX) 4134 905 14768 370 CHINANET-BACKBONE 23577 809 35 696 Korea Telecom (ATM-MPLS) 18101 786 167 31 Reliance Infocom Ltd Internet 4780 731 357 63 Digital United Inc. 9498 689 295 50 BHARTI BT INTERNET LTD. 7545 642 152 80 TPG Internet Pty 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 4370 3434 344 bellsouth.net, inc. 209 3000 4032 619 Qwest 6298 2151 333 633 Cox Communicatons 20115 1840 1461 735 Charter Communications 1785 1701 717 155 PaeTec Communications, Inc. 6478 1677 369 200 AT&T Worldnet Services 2386 1592 701 901 AT&T Data Communications Serv 4323 1586 1068 376 Time Warner Telecom 7018 1411 5869 974 AT&T WorldNet Services 11492 1217 192 12 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 429 1766 380 TDC Tele Danmark 12479 370 578 6 Uni2 Autonomous System 30890 366 95 188 SC Kappa Invexim SRL 3301 338 1429 307 TeliaNet Sweden 29049 338 26 3 AzerSat LLC. 8866 336 111 23 Bulgarian Telecommunication C 3320 323 7062 272 Deutsche Telekom AG 8452 323 188 11 TEDATA 3215 316 2788 99 France Telecom Transpac 8551 303 286 36 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 1400 2832 221 UniNet S.A. de C.V. 11830 671 299 9 Instituto Costarricense de El 10620 563 128 55 TVCABLE BOGOTA 22047 533 270 14 VTR PUNTO NET S.A. 7303 496 244 71 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 425 88 50 ENTEL CHILE S.A. 11172 402 118 72 Servicios Alestra S.A de C.V 28573 347 469 24 NET Servicos de Comunicao S.A 14117 331 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 562 71 46 LINKdotNET AS number 3741 271 857 227 The Internet Solution 20858 261 34 3 EgyNet 2018 238 215 138 Tertiary Education Network 29571 147 13 8 Ci Telecom Autonomous system 6713 144 135 11 Itissalat Al-MAGHRIB 33783 141 10 15 EEPAD TISP TELECOM & INTERNET 5713 121 555 70 Telkom SA Ltd 5536 120 8 17 Internet Egypt Network 33776 116 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 4370 3434 344 bellsouth.net, inc. 209 3000 4032 619 Qwest 6298 2151 333 633 Cox Communicatons 20115 1840 1461 735 Charter Communications 1785 1701 717 155 PaeTec Communications, Inc. 6478 1677 369 200 AT&T Worldnet Services 2386 1592 701 901 AT&T Data Communications Serv 4323 1586 1068 376 Time Warner Telecom 17488 1425 100 114 Hathway IP Over Cable Interne 7018 1411 5869 974 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 3000 2381 Qwest 1785 1701 1546 PaeTec Communications, Inc. 6298 2151 1518 Cox Communicatons 6478 1677 1477 AT&T Worldnet Services 17488 1425 1311 Hathway IP Over Cable Interne 4323 1586 1210 Time Warner Telecom 11492 1217 1205 Cable One 8151 1400 1179 UniNet S.A. de C.V. 20115 1840 1105 Charter Communications 18566 1059 1049 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 3549 Global Crossing 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 41.187.0.0/16 20928 Noor Advanced Technologies AS 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 62.212.32.0/19 34797 Egrisi JSC. 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 /10:19 /11:54 /12:157 /13:307 /14:546 /15:1078 /16:10163 /17:4466 /18:7697 /19:16573 /20:19448 /21:19173 /22:24314 /23:24952 /24:143111 /25:843 /26:1009 /27:789 /28:88 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2856 4370 bellsouth.net, inc. 6298 2125 2151 Cox Communicatons 209 1720 3000 Qwest 2386 1271 1592 AT&T Data Communications Serv 17488 1215 1425 Hathway IP Over Cable Interne 11492 1192 1217 Cable One 1785 1161 1701 PaeTec Communications, Inc. 6478 1106 1677 AT&T Worldnet Services 18566 1040 1059 Covad Communications 9583 1015 1149 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 4:12 8:157 12:2178 13:2 15:21 16:3 17:5 20:36 24:1124 30:1 32:54 38:517 40:93 41:811 43:1 44:2 47:12 52:3 55:3 56:3 57:27 58:497 59:551 60:455 61:1041 62:1131 63:2015 64:3286 65:2436 66:3532 67:1332 68:845 69:2356 70:897 71:170 72:2087 73:7 74:1304 75:169 76:288 77:891 78:518 79:291 80:936 81:864 82:583 83:409 84:587 85:1047 86:507 87:656 88:348 89:1367 90:29 91:1684 92:309 93:975 94:676 95:29 96:91 97:137 98:394 99:15 100:1 113:39 114:128 115:153 116:1035 117:407 118:291 119:551 120:106 121:645 122:819 123:455 124:832 125:1186 128:359 129:219 130:136 131:406 132:72 133:9 134:187 135:31 136:224 137:118 138:144 139:85 140:417 141:111 142:393 143:315 144:301 145:53 146:373 147:143 148:600 149:209 150:143 151:210 152:140 153:131 154:10 155:276 156:175 157:301 158:168 159:297 160:274 161:132 162:249 163:135 164:517 165:509 166:361 167:339 168:628 169:155 170:455 171:40 172:10 173:140 174:5 187:18 188:1 189:321 190:2392 192:5825 193:4131 194:3288 195:2626 196:1026 198:3714 199:3299 200:5523 201:1474 202:7637 203:8069 204:3936 205:2179 206:2298 207:2772 208:3734 209:3440 210:2622 211:1122 212:1547 213:1649 214:69 215:25 216:4390 217:1241 218:352 219:412 220:1073 221:437 222:308 End of report