Routing Table Report 00:00 GMT Mon 20 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: 287854 Prefixes after maximum aggregation: 135518 Deaggregation factor: 2.12 Unique aggregates announced to Internet: 140698 Total ASes present in the Internet Routing Table: 31104 Prefixes per ASN: 9.25 Origin-only ASes present in the Internet Routing Table: 26781 Origin ASes announcing only one prefix: 13165 Transit ASes present in the Internet Routing Table: 4323 Transit-only ASes present in the Internet Routing Table: 114 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 33 Max AS path prepend of ASN (43683) 31 Prefixes from unregistered ASNs in the Routing Table: 531 Unregistered ASNs in the Routing Table: 188 Number of 32-bit ASNs allocated by the RIRs: 140 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: 213 Number of addresses announced to Internet: 2033172001 Equivalent to 121 /8s, 47 /16s and 190 /24s Percentage of available address space announced: 54.9 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: 142209 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 66083 Total APNIC prefixes after maximum aggregation: 23471 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 62765 Unique aggregates announced from the APNIC address blocks: 28698 APNIC Region origin ASes present in the Internet Routing Table: 3589 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 979 APNIC Region transit ASes present in the Internet Routing Table: 576 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 411041536 Equivalent to 24 /8s, 127 /16s and 255 /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: 124334 Total ARIN prefixes after maximum aggregation: 66267 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 92857 Unique aggregates announced from the ARIN address blocks: 36857 ARIN Region origin ASes present in the Internet Routing Table: 12966 ARIN Prefixes per ASN: 7.16 ARIN Region origin ASes announcing only one prefix: 5003 ARIN Region transit ASes present in the Internet Routing Table: 1390 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 426824705 Equivalent to 25 /8s, 112 /16s and 212 /24s Percentage of available ARIN address space announced: 82.1 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: 66472 Total RIPE prefixes after maximum aggregation: 38159 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 61185 Unique aggregates announced from the RIPE address blocks: 39876 RIPE Region origin ASes present in the Internet Routing Table: 12908 RIPE Prefixes per ASN: 4.74 RIPE Region origin ASes announcing only one prefix: 6751 RIPE Region transit ASes present in the Internet Routing Table: 2046 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 392951080 Equivalent to 23 /8s, 107 /16s and 245 /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: 25661 Total LACNIC prefixes after maximum aggregation: 5883 LACNIC Deaggregation factor: 4.36 Prefixes being announced from the LACNIC address blocks: 23771 Unique aggregates announced from the LACNIC address blocks: 12004 LACNIC Region origin ASes present in the Internet Routing Table: 1095 LACNIC Prefixes per ASN: 21.71 LACNIC Region origin ASes announcing only one prefix: 343 LACNIC Region transit ASes present in the Internet Routing Table: 190 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 62485258 Equivalent to 3 /8s, 185 /16s and 115 /24s Percentage of available LACNIC address space announced: 62.1 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: 4858 Total AfriNIC prefixes after maximum aggregation: 1395 AfriNIC Deaggregation factor: 3.48 Prefixes being announced from the AfriNIC address blocks: 4552 Unique aggregates announced from the AfriNIC address blocks: 1370 AfriNIC Region origin ASes present in the Internet Routing Table: 292 AfriNIC Prefixes per ASN: 15.59 AfriNIC Region origin ASes announcing only one prefix: 89 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: 31 Number of AfriNIC addresses announced to Internet: 10234112 Equivalent to 0 /8s, 156 /16s and 41 /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 1533 123 109 Hathway IP Over Cable Interne 4766 1530 6929 396 Korea Telecom (KIX) 4755 1181 405 177 Videsh Sanchar Nigam Ltd. Aut 9583 1089 86 542 Sify Limited 4134 878 16580 371 CHINANET-BACKBONE 7545 783 164 105 TPG Internet Pty Ltd 18101 755 217 31 Reliance Infocom Ltd Internet 9498 705 298 63 BHARTI BT INTERNET LTD. 24560 682 228 174 Bharti Airtel Ltd. 9829 640 495 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 1828 1033 374 Time Warner Telecom 1785 1745 717 139 AppliedTheory Corporation 20115 1614 1430 720 Charter Communications 7018 1462 9981 1002 AT&T WorldNet Services 6478 1365 305 457 AT&T Worldnet Services 2386 1249 667 905 AT&T Data Communications Serv 3356 1201 10980 453 Level 3 Communications, LLC 11492 1174 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 538 88 200 Evolva Telecom 35228 487 144 5 Avatar Broadband Limited 3292 461 1764 389 TDC Tele Danmark 12479 405 578 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 35805 319 24 4 United Telecom AS 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 1893 270 74 Telecom Argentina Stet-France 8151 1446 2848 231 Uninet S.A. de C.V. 10620 859 194 101 TVCABLE BOGOTA 22047 611 302 14 Types of queries are: POCs, o 11830 516 294 34 Instituto Costarricense de El 16814 461 31 10 NSS, S.A. 6471 443 96 32 ENTEL CHILE S.A. 7738 410 794 28 Telecomunicacoes da Bahia S.A 11172 410 102 72 Alestra 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 854 78 39 LINKdotNET AS number 20858 297 34 4 EgyNet 3741 272 860 232 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 1893 270 74 Telecom Argentina Stet-France 4323 1828 1033 374 Time Warner Telecom 1785 1745 717 139 AppliedTheory Corporation 20115 1614 1430 720 Charter Communications 17488 1533 123 109 Hathway IP Over Cable Interne 4766 1530 6929 396 Korea Telecom (KIX) 7018 1462 9981 1002 AT&T WorldNet Services 8151 1446 2848 231 Uninet S.A. de C.V. 6478 1365 305 457 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 1893 1819 Telecom Argentina Stet-France 1785 1745 1606 AppliedTheory Corporation 4323 1828 1454 Time Warner Telecom 17488 1533 1424 Hathway IP Over Cable Interne 8452 1252 1245 TEDATA 8151 1446 1215 Uninet S.A. de C.V. 11492 1174 1163 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 63.140.213.0/24 22555 Universal Talkware Corporatio 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 /8:21 /9:10 /10:20 /11:59 /12:169 /13:343 /14:597 /15:1156 /16:10445 /17:4698 /18:8024 /19:16842 /20:20101 /21:19992 /22:26325 /23:25667 /24:151878 /25:202 /26:287 /27:225 /28:250 /29:245 /30:160 /31:0 /32:138 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2804 4300 bellsouth.net, inc. 7303 1410 1893 Telecom Argentina Stet-France 17488 1301 1533 Hathway IP Over Cable Interne 4766 1232 1530 Korea Telecom (KIX) 8452 1231 1252 TEDATA 1785 1154 1745 AppliedTheory Corporation 11492 1118 1174 Cable One 18566 1041 1060 Covad Communications 4323 953 1828 Time Warner Telecom 2386 948 1249 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 8:193 12:2225 13:3 15:19 16:3 17:4 20:35 24:1090 32:144 38:525 40:97 41:2004 43:1 44:2 47:22 52:3 55:2 56:3 57:38 58:572 59:627 60:457 61:1116 62:1151 63:1968 64:3681 65:2394 66:3641 67:1506 68:714 69:2594 70:531 71:134 72:1687 73:2 74:1490 75:169 76:316 77:841 78:566 79:314 80:970 81:802 82:559 83:425 84:611 85:1032 86:391 87:653 88:359 89:1449 90:44 91:2143 92:342 93:1161 94:1197 95:1028 96:117 97:188 98:470 99:17 109:1 110:59 112:101 113:100 114:220 115:225 116:1154 117:501 118:289 119:676 120:150 121:725 122:1006 123:673 124:968 125:1323 128:224 129:225 130:128 131:414 132:73 133:9 134:184 135:214 136:242 137:150 138:148 139:89 140:439 141:105 142:393 143:325 144:355 145:45 146:373 147:151 148:520 149:315 150:149 151:198 152:150 153:145 154:2 155:271 156:170 157:301 158:127 159:303 160:282 161:134 162:273 163:151 164:479 165:534 166:268 167:363 168:689 169:161 170:496 171:38 172:10 173:271 174:177 178:1 186:8 187:109 188:13 189:416 190:3012 192:5845 193:4336 194:3422 195:2753 196:1064 198:3743 199:3323 200:5718 201:1462 202:8022 203:8168 204:3805 205:2162 206:2422 207:2782 208:3907 209:3349 210:2662 211:1119 212:1544 213:1749 214:71 215:30 216:4564 217:1262 218:366 219:424 220:1212 221:453 222:291 End of report