Routing Table Report 00:00 GMT Fri 17 Apr, 2009 NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately. Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/ Analysis Summary ---------------- BGP routing table entries examined: 287437 Prefixes after maximum aggregation: 135376 Deaggregation factor: 2.12 Unique aggregates announced to Internet: 140670 Total ASes present in the Internet Routing Table: 31040 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 26941 Origin ASes announcing only one prefix: 13129 Transit ASes present in the Internet Routing Table: 4099 Transit-only ASes present in the Internet Routing Table: 100 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 32 Max AS path prepend of ASN (15475) 29 Prefixes from unregistered ASNs in the Routing Table: 532 Unregistered ASNs in the Routing Table: 186 Number of 32-bit ASNs allocated by the RIRs: 141 Prefixes from 32-bit ASNs in the Routing Table: 25 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 215 Number of addresses announced to Internet: 2030710045 Equivalent to 121 /8s, 10 /16s and 45 /24s Percentage of available address space announced: 54.8 Percentage of allocated address space announced: 64.1 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 76.4 Total number of prefixes smaller than registry allocations: 141933 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 65917 Total APNIC prefixes after maximum aggregation: 23401 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 62594 Unique aggregates announced from the APNIC address blocks: 28689 APNIC Region origin ASes present in the Internet Routing Table: 3583 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 973 APNIC Region transit ASes present in the Internet Routing Table: 552 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 411019008 Equivalent to 24 /8s, 127 /16s and 167 /24s Percentage of available APNIC address space announced: 81.7 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: 124117 Total ARIN prefixes after maximum aggregation: 66249 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 92648 Unique aggregates announced from the ARIN address blocks: 36846 ARIN Region origin ASes present in the Internet Routing Table: 12941 ARIN Prefixes per ASN: 7.16 ARIN Region origin ASes announcing only one prefix: 4985 ARIN Region transit ASes present in the Internet Routing Table: 1290 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 424679937 Equivalent to 25 /8s, 80 /16s and 26 /24s Percentage of available ARIN address space announced: 81.7 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, 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: 66400 Total RIPE prefixes after maximum aggregation: 38128 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 61120 Unique aggregates announced from the RIPE address blocks: 39853 RIPE Region origin ASes present in the Internet Routing Table: 12890 RIPE Prefixes per ASN: 4.74 RIPE Region origin ASes announcing only one prefix: 6740 RIPE Region transit ASes present in the Internet Routing Table: 1948 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 392930600 Equivalent to 23 /8s, 107 /16s and 165 /24s Percentage of available RIPE address space announced: 83.6 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, 47104-52223 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, 109/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 25679 Total LACNIC prefixes after maximum aggregation: 5853 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 23846 Unique aggregates announced from the LACNIC address blocks: 12007 LACNIC Region origin ASes present in the Internet Routing Table: 1091 LACNIC Prefixes per ASN: 21.86 LACNIC Region origin ASes announcing only one prefix: 340 LACNIC Region transit ASes present in the Internet Routing Table: 184 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 62387210 Equivalent to 3 /8s, 183 /16s and 244 /24s Percentage of available LACNIC address space announced: 62.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 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: 4879 Total AfriNIC prefixes after maximum aggregation: 1401 AfriNIC Deaggregation factor: 3.48 Prefixes being announced from the AfriNIC address blocks: 4566 Unique aggregates announced from the AfriNIC address blocks: 1372 AfriNIC Region origin ASes present in the Internet Routing Table: 294 AfriNIC Prefixes per ASN: 15.53 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC addresses announced to Internet: 10236928 Equivalent to 0 /8s, 156 /16s and 52 /24s Percentage of available AfriNIC address space announced: 30.5 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 17488 1535 123 96 Hathway IP Over Cable Interne 4766 1530 6929 396 Korea Telecom (KIX) 4755 1181 405 177 Videsh Sanchar Nigam Ltd. Aut 9583 1089 86 539 Sify Limited 4134 878 16580 371 CHINANET-BACKBONE 7545 783 164 105 TPG Internet Pty Ltd 18101 754 217 31 Reliance Infocom Ltd Internet 24560 682 228 174 Bharti Airtel Ltd. 9498 669 296 50 BHARTI BT INTERNET LTD. 9829 641 495 21 BSNL National Internet Backbo Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4300 3667 342 bellsouth.net, inc. 4323 1830 1045 378 Time Warner Telecom 1785 1746 717 139 AppliedTheory Corporation 20115 1613 1430 721 Charter Communications 7018 1482 9984 1019 AT&T WorldNet Services 6478 1339 304 471 AT&T Worldnet Services 2386 1248 667 904 AT&T Data Communications Serv 3356 1201 10979 449 Level 3 Communications, LLC 11492 1177 192 11 Cable One 18566 1060 296 10 Covad Communications Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8452 1252 188 7 TEDATA 30890 539 88 201 Evolva Telecom 35228 487 144 5 Avatar Broadband Limited 3292 461 1764 389 TDC Tele Danmark 12479 402 578 6 Uni2 Autonomous System 3320 343 7081 294 Deutsche Telekom AG 3215 340 3025 108 France Telecom Transpac 3301 339 1669 305 TeliaNet Sweden 8866 337 109 22 Bulgarian Telecommunication C 29049 322 26 3 AzerSat LLC. Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7303 1892 270 74 Telecom Argentina Stet-France 8151 1443 2848 230 Uninet S.A. de C.V. 10620 859 194 101 TVCABLE BOGOTA 22047 607 302 14 Types of queries are: POCs, o 16814 527 31 10 NSS, S.A. 11830 516 294 34 Instituto Costarricense de El 6471 443 96 32 ENTEL CHILE S.A. 11172 412 102 72 Alestra 7738 410 794 28 Telecomunicacoes da Bahia S.A 28573 405 528 27 Types of queries are: POCs, o Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 855 78 35 LINKdotNET AS number 20858 297 34 4 EgyNet 3741 277 860 237 The Internet Solution 2018 243 215 143 TENET-1 6713 159 150 15 Itissalat Al-MAGHRIB 33783 151 10 8 EEPAD TISP TELECOM & INTERNET 29571 138 15 9 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 33776 117 6 3 Starcomms Nigeria Limited 5713 115 507 66 Telkom SA Ltd Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4300 3667 342 bellsouth.net, inc. 7303 1892 270 74 Telecom Argentina Stet-France 4323 1830 1045 378 Time Warner Telecom 1785 1746 717 139 AppliedTheory Corporation 20115 1613 1430 721 Charter Communications 17488 1535 123 96 Hathway IP Over Cable Interne 4766 1530 6929 396 Korea Telecom (KIX) 7018 1482 9984 1019 AT&T WorldNet Services 8151 1443 2848 230 Uninet S.A. de C.V. 6478 1339 304 471 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/rviews/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7303 1892 1818 Telecom Argentina Stet-France 1785 1746 1607 AppliedTheory Corporation 4323 1830 1452 Time Warner Telecom 17488 1535 1439 Hathway IP Over Cable Interne 8452 1252 1245 TEDATA 8151 1443 1213 Uninet S.A. de C.V. 11492 1177 1166 Cable One 4766 1530 1134 Korea Telecom (KIX) 18566 1060 1050 Covad Communications 4755 1181 1004 Videsh Sanchar Nigam Ltd. Aut Complete listing at http://thyme.apnic.net/rviews/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/rviews/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.29.248.71/32 286 KPNQwest Backbone AS Complete listing at http://thyme.apnic.net/rviews/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.220.16.0/20 8668 TelOne Zimbabwe P/L 41.223.112.0/22 5713 Telkom SA Ltd 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 62.113.192.0/18 47447 23media Complete listing at http://thyme.apnic.net/rviews/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 /9:10 /10:20 /11:58 /12:167 /13:342 /14:596 /15:1154 /16:10442 /17:4698 /18:8003 /19:16857 /20:20111 /21:19986 /22:26292 /23:25651 /24:151594 /25:197 /26:280 /27:224 /28:210 /29:247 /30:146 /31:0 /32:133 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2803 4300 bellsouth.net, inc. 7303 1409 1892 Telecom Argentina Stet-France 17488 1304 1535 Hathway IP Over Cable Interne 4766 1232 1530 Korea Telecom (KIX) 8452 1231 1252 TEDATA 1785 1154 1746 AppliedTheory Corporation 11492 1121 1177 Cable One 18566 1041 1060 Covad Communications 4323 955 1830 Time Warner Telecom 2386 948 1248 AT&T Data Communications Serv Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:194 12:2211 13:3 15:19 16:3 17:4 20:35 24:1091 32:145 38:525 40:97 41:2003 43:1 44:2 47:22 52:3 55:2 56:3 57:38 58:572 59:624 60:459 61:1112 62:1150 63:1956 64:3667 65:2392 66:3634 67:1473 68:713 69:2555 70:531 71:134 72:1669 73:2 74:1487 75:169 76:319 77:843 78:560 79:314 80:965 81:822 82:559 83:401 84:610 85:1047 86:390 87:652 88:356 89:1433 90:43 91:2135 92:341 93:1158 94:1205 95:1029 96:107 97:188 98:469 99:17 109:1 110:59 112:101 113:95 114:223 115:224 116:1156 117:501 118:287 119:673 120:149 121:730 122:1005 123:672 124:956 125:1306 128:224 129:227 130:128 131:416 132:73 133:9 134:184 135:214 136:242 137:150 138:148 139:89 140:440 141:105 142:392 143:323 144:332 145:45 146:371 147:152 148:520 149:314 150:149 151:199 152:150 153:145 154:2 155:271 156:170 157:301 158:126 159:301 160:282 161:134 162:273 163:151 164:481 165:533 166:268 167:362 168:690 169:161 170:500 171:38 172:10 173:269 174:175 178:1 186:8 187:110 188:13 189:416 190:3028 192:5851 193:4329 194:3426 195:2747 196:1061 198:3746 199:3322 200:5783 201:1479 202:8004 203:8099 204:3791 205:2158 206:2407 207:2767 208:3906 209:3359 210:2658 211:1116 212:1544 213:1768 214:71 215:30 216:4542 217:1261 218:365 219:420 220:1212 221:452 222:291 End of report