Routing Table Report 00:00 GMT Sat 21 Nov, 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: 308938 Prefixes after maximum aggregation: 142534 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 100756 Total ASes present in the Internet Routing Table: 32775 Prefixes per ASN: 9.43 Origin-only ASes present in the Internet Routing Table: 28461 Origin ASes announcing only one prefix: 13846 Transit ASes present in the Internet Routing Table: 4314 Transit-only ASes present in the Internet Routing Table: 103 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 41 Max AS path prepend of ASN (22394) 36 Prefixes from unregistered ASNs in the Routing Table: 730 Unregistered ASNs in the Routing Table: 162 Number of 32-bit ASNs allocated by the RIRs: 325 Prefixes from 32-bit ASNs in the Routing Table: 276 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 181 Number of addresses announced to Internet: 1216932562 Equivalent to 72 /8s, 136 /16s and 234 /24s Percentage of available address space announced: 32.8 Percentage of allocated address space announced: 37.2 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.1 Total number of prefixes smaller than registry allocations: 149442 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 73866 Total APNIC prefixes after maximum aggregation: 25553 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 70277 Unique aggregates announced from the APNIC address blocks: 20559 APNIC Region origin ASes present in the Internet Routing Table: 3864 APNIC Prefixes per ASN: 18.19 APNIC Region origin ASes announcing only one prefix: 1063 APNIC Region transit ASes present in the Internet Routing Table: 589 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 25 Number of APNIC addresses announced to Internet: 222438656 Equivalent to 13 /8s, 66 /16s and 37 /24s Percentage of available APNIC address space announced: 37.9 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 43/8, 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, 175/8, 180/8, 182/8, 183/8, 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: 129810 Total ARIN prefixes after maximum aggregation: 67588 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 103780 Unique aggregates announced from the ARIN address blocks: 24914 ARIN Region origin ASes present in the Internet Routing Table: 13376 ARIN Prefixes per ASN: 7.76 ARIN Region origin ASes announcing only one prefix: 5175 ARIN Region transit ASes present in the Internet Routing Table: 1338 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 41 Number of ARIN addresses announced to Internet: 473121569 Equivalent to 28 /8s, 51 /16s and 67 /24s Percentage of available ARIN address space announced: 41.5 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 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8, 56/8, 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, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 71841 Total RIPE prefixes after maximum aggregation: 41142 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 64977 Unique aggregates announced from the RIPE address blocks: 19812 RIPE Region origin ASes present in the Internet Routing Table: 13797 RIPE Prefixes per ASN: 4.71 RIPE Region origin ASes announcing only one prefix: 7131 RIPE Region transit ASes present in the Internet Routing Table: 2073 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 105562508 Equivalent to 6 /8s, 74 /16s and 193 /24s Percentage of available RIPE address space announced: 19.7 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, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 46/8, 51/8, 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: 27158 Total LACNIC prefixes after maximum aggregation: 6438 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 25468 Unique aggregates announced from the LACNIC address blocks: 13689 LACNIC Region origin ASes present in the Internet Routing Table: 1214 LACNIC Prefixes per ASN: 20.98 LACNIC Region origin ASes announcing only one prefix: 379 LACNIC Region transit ASes present in the Internet Routing Table: 202 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 68280848 Equivalent to 4 /8s, 17 /16s and 226 /24s Percentage of available LACNIC address space announced: 67.8 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 5739 Total AfriNIC prefixes after maximum aggregation: 1505 AfriNIC Deaggregation factor: 3.81 Prefixes being announced from the AfriNIC address blocks: 4244 Unique aggregates announced from the AfriNIC address blocks: 1269 AfriNIC Region origin ASes present in the Internet Routing Table: 334 AfriNIC Prefixes per ASN: 12.71 AfriNIC Region origin ASes announcing only one prefix: 98 AfriNIC Region transit ASes present in the Internet Routing Table: 72 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 13062656 Equivalent to 0 /8s, 199 /16s and 82 /24s Percentage of available AfriNIC address space announced: 38.9 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1605 7506 455 Korea Telecom (KIX) 17488 1443 143 134 Hathway IP Over Cable Interne 4755 1277 292 148 Videsh Sanchar Nigam Ltd. Aut 9583 994 73 491 Sify Limited 18101 983 204 34 Reliance Infocom Ltd Internet 4134 953 19183 392 CHINANET-BACKBONE 7545 905 199 100 TPG Internet Pty Ltd 17974 866 265 61 PT TELEKOMUNIKASI INDONESIA 9829 847 664 20 BSNL National Internet Backbo 24560 803 293 174 Bharti Airtel Ltd. 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 4245 3863 313 bellsouth.net, inc. 4323 3741 1054 399 Time Warner Telecom 20115 2131 1485 658 Charter Communications 1785 1778 714 136 AppliedTheory Corporation 7018 1585 5830 1035 AT&T WorldNet Services 2386 1293 616 937 AT&T Data Communications Serv 6478 1280 267 368 AT&T Worldnet Services 3356 1238 10967 447 Level 3 Communications, LLC 11492 1142 222 14 Cable One 22773 1121 2600 66 Cox Communications, Inc. 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 30890 514 98 207 Evolva Telecom 3292 448 1906 391 TDC Tele Danmark 35805 445 40 5 United Telecom AS 9116 441 296 30 Goldenlines main autonomous s 702 422 1823 340 UUNET - Commercial IP service 9198 417 138 12 Kazakhtelecom Corporate Sales 8551 379 354 41 Bezeq International 3301 376 1412 303 TeliaNet Sweden 8866 367 110 23 Bulgarian Telecommunication C 3320 358 7068 305 Deutsche Telekom AG 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 8151 1578 2899 231 Uninet S.A. de C.V. 10620 1017 226 110 TVCABLE BOGOTA 28573 999 665 89 Types of queries are: POCs, o 7303 663 349 94 Telecom Argentina Stet-France 22047 546 302 14 Types of queries are: POCs, o 11830 474 308 59 Instituto Costarricense de El 7738 451 858 29 Telecomunicacoes da Bahia S.A 11172 446 99 71 Alestra 14117 437 29 11 Telefonica del Sur S.A. 6503 424 162 183 AVANTEL, S.A. 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 8452 1045 188 7 TEDATA 24863 756 130 46 LINKdotNET AS number 3741 274 857 234 The Internet Solution 6713 176 167 12 Itissalat Al-MAGHRIB 29571 132 15 8 Ci Telecom Autonomous system 29975 122 506 15 Vodacom 5536 121 8 18 Internet Egypt Network 5713 117 508 67 Telkom SA Ltd 20858 109 34 6 EgyNet 24835 106 46 9 RAYA Telecom - Egypt 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 4245 3863 313 bellsouth.net, inc. 4323 3741 1054 399 Time Warner Telecom 20115 2131 1485 658 Charter Communications 1785 1778 714 136 AppliedTheory Corporation 4766 1605 7506 455 Korea Telecom (KIX) 7018 1585 5830 1035 AT&T WorldNet Services 8151 1578 2899 231 Uninet S.A. de C.V. 17488 1443 143 134 Hathway IP Over Cable Interne 2386 1293 616 937 AT&T Data Communications Serv 6478 1280 267 368 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 4323 3741 3342 Time Warner Telecom 1785 1778 1642 AppliedTheory Corporation 20115 2131 1473 Charter Communications 8151 1578 1347 Uninet S.A. de C.V. 17488 1443 1309 Hathway IP Over Cable Interne 4766 1605 1150 Korea Telecom (KIX) 4755 1277 1129 Videsh Sanchar Nigam Ltd. Aut 11492 1142 1128 Cable One 22773 1121 1055 Cox Communications, Inc. 18566 1059 1049 Covad Communications 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 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 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 /10:25 /11:65 /12:181 /13:365 /14:640 /15:1227 /16:10762 /17:5061 /18:8658 /19:18007 /20:21714 /21:21672 /22:27987 /23:27926 /24:159917 /25:818 /26:1074 /27:494 /28:540 /29:820 /30:621 /31:3 /32:330 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2777 4245 bellsouth.net, inc. 4323 2359 3741 Time Warner Telecom 4766 1271 1605 Korea Telecom (KIX) 1785 1245 1778 AppliedTheory Corporation 17488 1219 1443 Hathway IP Over Cable Interne 20115 1134 2131 Charter Communications 11492 1064 1142 Cable One 18566 1040 1059 Covad Communications 7018 948 1585 AT&T WorldNet Services 8452 945 1045 TEDATA Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:14 8:236 12:2114 13:8 15:22 16:3 17:5 20:36 24:1305 32:151 34:2 38:621 40:99 41:1783 43:1 44:2 46:1 47:21 52:6 55:2 56:2 57:37 58:632 59:611 60:443 61:983 62:963 63:2019 64:3709 65:2369 66:4128 67:1776 68:1025 69:2806 70:615 71:169 72:1761 73:2 74:2006 75:199 76:353 77:840 78:580 79:390 80:952 81:817 82:511 83:455 84:545 85:1030 86:395 87:707 88:416 89:1528 90:56 91:2652 92:430 93:1164 94:1301 95:820 96:201 97:275 98:417 99:30 109:164 110:283 111:456 112:150 113:174 114:291 115:352 116:1092 117:590 118:361 119:801 120:133 121:707 122:1303 123:780 124:1056 125:1365 128:223 129:205 130:134 131:442 132:82 133:16 134:187 135:43 136:232 137:165 138:234 139:95 140:458 141:122 142:388 143:337 144:383 145:52 146:393 147:174 148:558 149:193 150:148 151:171 152:220 153:161 154:2 155:249 156:166 157:313 158:96 159:361 160:294 161:174 162:276 163:158 164:278 165:468 166:490 167:392 168:751 169:160 170:588 171:43 172:1 173:397 174:403 180:183 183:134 184:1 186:179 187:195 188:1342 189:689 190:3257 192:5752 193:4338 194:3391 195:2859 196:1118 198:3570 199:3356 200:5265 201:1445 202:8089 203:8292 204:3958 205:2164 206:2412 207:3024 208:3984 209:3409 210:2534 211:1180 212:1696 213:1660 214:242 215:57 216:4469 217:1364 218:479 219:450 220:1140 221:453 222:300 End of report