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 13 Dec, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 274910 Prefixes after maximum aggregation: 131479 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 134428 Total ASes present in the Internet Routing Table: 30074 Prefixes per ASN: 9.14 Origin-only ASes present in the Internet Routing Table: 26178 Origin ASes announcing only one prefix: 12740 Transit ASes present in the Internet Routing Table: 3896 Transit-only ASes present in the Internet Routing Table: 96 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (42115) 21 Prefixes from unregistered ASNs in the Routing Table: 529 Unregistered ASNs in the Routing Table: 194 Number of 32-bit ASNs allocated by the RIRs: 68 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: 210 Number of addresses announced to Internet: 1970066112 Equivalent to 117 /8s, 108 /16s and 210 /24s Percentage of available address space announced: 53.2 Percentage of allocated address space announced: 63.5 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.6 Total number of prefixes smaller than registry allocations: 134988 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 63380 Total APNIC prefixes after maximum aggregation: 22998 APNIC Deaggregation factor: 2.76 Prefixes being announced from the APNIC address blocks: 60296 Unique aggregates announced from the APNIC address blocks: 27407 APNIC Region origin ASes present in the Internet Routing Table: 3488 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 937 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: 390867936 Equivalent to 23 /8s, 76 /16s and 43 /24s Percentage of available APNIC address space announced: 77.7 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: 122980 Total ARIN prefixes after maximum aggregation: 64546 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 92217 Unique aggregates announced from the ARIN address blocks: 35011 ARIN Region origin ASes present in the Internet Routing Table: 12650 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: 1205 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 402263840 Equivalent to 23 /8s, 250 /16s and 15 /24s Percentage of available ARIN address space announced: 82.7 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: 61022 Total RIPE prefixes after maximum aggregation: 36518 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 56559 Unique aggregates announced from the RIPE address blocks: 37770 RIPE Region origin ASes present in the Internet Routing Table: 12349 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 6498 RIPE Region transit ASes present in the Internet Routing Table: 1883 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 382341984 Equivalent to 22 /8s, 202 /16s and 19 /24s Percentage of available RIPE address space announced: 87.7 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: 22722 Total LACNIC prefixes after maximum aggregation: 5633 LACNIC Deaggregation factor: 4.03 Prefixes being announced from the LACNIC address blocks: 20749 Unique aggregates announced from the LACNIC address blocks: 11546 LACNIC Region origin ASes present in the Internet Routing Table: 1038 LACNIC Prefixes per ASN: 19.99 LACNIC Region origin ASes announcing only one prefix: 335 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: 58745856 Equivalent to 3 /8s, 128 /16s and 100 /24s Percentage of available LACNIC address space announced: 58.4 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: 4298 Total AfriNIC prefixes after maximum aggregation: 1363 AfriNIC Deaggregation factor: 3.15 Prefixes being announced from the AfriNIC address blocks: 4600 Unique aggregates announced from the AfriNIC address blocks: 2195 AfriNIC Region origin ASes present in the Internet Routing Table: 271 AfriNIC Prefixes per ASN: 16.97 AfriNIC Region origin ASes announcing only one prefix: 84 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: 15 Number of AfriNIC addresses announced to Internet: 13104128 Equivalent to 0 /8s, 199 /16s and 244 /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 17488 1443 101 99 Hathway IP Over Cable Interne 4766 1424 6409 364 Korea Telecom (KIX) 4755 1171 474 152 TATA Communications formerly 9583 1116 88 484 Sify Limited 4134 905 15509 354 CHINANET-BACKBONE 18101 784 168 32 Reliance Infocom Ltd Internet 4780 729 358 64 Digital United Inc. 9498 700 311 50 BHARTI BT INTERNET LTD. 7545 657 152 81 TPG Internet Pty Ltd 4808 632 1173 144 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 4385 3435 346 bellsouth.net, inc. 209 2981 4032 621 Qwest 20115 1819 1418 745 Charter Communications 1785 1702 717 155 PaeTec Communications, Inc. 6478 1613 369 286 AT&T Worldnet Services 4323 1599 1065 382 Time Warner Telecom 2386 1588 708 901 AT&T Data Communications Serv 7018 1428 5872 987 AT&T WorldNet Services 11492 1229 192 12 Cable One 3356 1094 10991 425 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 435 1766 384 TDC Tele Danmark 30890 378 79 194 SC Kappa Invexim SRL 12479 373 578 6 Uni2 Autonomous System 3301 336 1413 303 TeliaNet Sweden 8866 331 109 22 Bulgarian Telecommunication C 29049 330 26 3 AzerSat LLC. 3320 329 7064 278 Deutsche Telekom AG 8452 322 188 11 TEDATA 3215 315 2792 96 France Telecom Transpac 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 1404 2832 222 UniNet S.A. de C.V. 11830 667 299 9 Instituto Costarricense de El 10620 631 134 52 TVCABLE BOGOTA 22047 553 270 14 VTR PUNTO NET S.A. 7303 503 249 74 Telecom Argentina Stet-France 6471 426 54 41 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 11172 400 118 72 Servicios Alestra S.A de C.V 28573 364 489 28 NET Servicos de Comunicao S.A 14117 333 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 585 73 43 LINKdotNET AS number 3741 270 857 227 The Internet Solution 20858 264 34 3 EgyNet 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 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 4385 3435 346 bellsouth.net, inc. 209 2981 4032 621 Qwest 20115 1819 1418 745 Charter Communications 1785 1702 717 155 PaeTec Communications, Inc. 6478 1613 369 286 AT&T Worldnet Services 4323 1599 1065 382 Time Warner Telecom 2386 1588 708 901 AT&T Data Communications Serv 17488 1443 101 99 Hathway IP Over Cable Interne 7018 1428 5872 987 AT&T WorldNet Services 4766 1424 6409 364 Korea Telecom (KIX) Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2981 2360 Qwest 1785 1702 1547 PaeTec Communications, Inc. 17488 1443 1344 Hathway IP Over Cable Interne 6478 1613 1327 AT&T Worldnet Services 4323 1599 1217 Time Warner Telecom 11492 1229 1217 Cable One 8151 1404 1182 UniNet S.A. de C.V. 20115 1819 1074 Charter Communications 4766 1424 1060 Korea Telecom (KIX) 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 /8:19 /9:9 /10:19 /11:54 /12:158 /13:307 /14:554 /15:1085 /16:10232 /17:4468 /18:7707 /19:16569 /20:19491 /21:19057 /22:24149 /23:24750 /24:144035 /25:682 /26:835 /27:615 /28:99 /29:8 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2864 4385 bellsouth.net, inc. 209 1705 2981 Qwest 2386 1267 1588 AT&T Data Communications Serv 17488 1232 1443 Hathway IP Over Cable Interne 11492 1200 1229 Cable One 1785 1162 1702 PaeTec Communications, Inc. 4766 1161 1424 Korea Telecom (KIX) 6478 1129 1613 AT&T Worldnet Services 18566 1041 1060 Covad Communications 9583 980 1116 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:169 12:2221 13:2 15:21 16:3 17:5 20:36 24:1108 32:54 38:525 40:92 41:840 43:1 44:2 47:13 52:3 55:3 56:3 57:26 58:510 59:597 60:456 61:1058 62:1122 63:2012 64:3373 65:2463 66:3601 67:1437 68:658 69:2362 70:526 71:173 72:1592 73:7 74:1331 75:191 76:303 77:892 78:521 79:296 80:940 81:866 82:581 83:385 84:586 85:1041 86:506 87:652 88:355 89:1420 90:44 91:1765 92:305 93:1058 94:791 95:57 96:94 97:142 98:172 99:10 100:1 110:1 111:1 113:60 114:145 115:170 116:1062 117:416 118:261 119:558 120:105 121:696 122:903 123:452 124:858 125:1274 128:358 129:220 130:136 131:399 132:72 133:9 134:190 135:31 136:225 137:128 138:143 139:91 140:414 141:111 142:382 143:325 144:314 145:53 146:370 147:141 148:601 149:215 150:139 151:210 152:181 153:131 154:10 155:250 156:171 157:303 158:165 159:300 160:272 161:131 162:253 163:136 164:517 165:505 166:359 167:351 168:661 169:162 170:461 171:40 172:10 173:130 174:11 186:1 187:16 188:1 189:345 190:2512 192:5818 193:4156 194:3297 195:2658 196:1047 198:3703 199:3316 200:5534 201:1496 202:7845 203:8073 204:3931 205:2176 206:2302 207:2788 208:3766 209:3500 210:2742 211:1119 212:1564 213:1662 214:65 215:22 216:4493 217:1244 218:361 219:407 220:1189 221:455 222:290 End of report