Routing Table Report 08:00 +10GMT Fri 11 Feb, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 341176 Prefixes after maximum aggregation: 155047 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 170718 Total ASes present in the Internet Routing Table: 35689 Prefixes per ASN: 9.56 Origin-only ASes present in the Internet Routing Table: 30895 Origin ASes announcing only one prefix: 14978 Transit ASes present in the Internet Routing Table: 4794 Transit-only ASes present in the Internet Routing Table: 107 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN (42805) 21 Prefixes from unregistered ASNs in the Routing Table: 1328 Unregistered ASNs in the Routing Table: 256 Number of 32-bit ASNs allocated by the RIRs: 1101 Prefixes from 32-bit ASNs in the Routing Table: 1672 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 207 Number of addresses announced to Internet: 2407261184 Equivalent to 143 /8s, 123 /16s and 228 /24s Percentage of available address space announced: 64.9 Percentage of allocated address space announced: 64.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 87.8 Total number of prefixes smaller than registry allocations: 139541 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 81923 Total APNIC prefixes after maximum aggregation: 27832 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 79542 Unique aggregates announced from the APNIC address blocks: 35688 APNIC Region origin ASes present in the Internet Routing Table: 4263 APNIC Prefixes per ASN: 18.66 APNIC Region origin ASes announcing only one prefix: 1217 APNIC Region transit ASes present in the Internet Routing Table: 655 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC addresses announced to Internet: 586536192 Equivalent to 34 /8s, 245 /16s and 213 /24s Percentage of available APNIC address space announced: 74.4 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 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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, 133/8, 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, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 136162 Total ARIN prefixes after maximum aggregation: 69790 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 109066 Unique aggregates announced from the ARIN address blocks: 44812 ARIN Region origin ASes present in the Internet Routing Table: 14111 ARIN Prefixes per ASN: 7.73 ARIN Region origin ASes announcing only one prefix: 5397 ARIN Region transit ASes present in the Internet Routing Table: 1387 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 786252032 Equivalent to 46 /8s, 221 /16s and 65 /24s Percentage of available ARIN address space announced: 62.5 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, 23/8, 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, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 107/8, 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: 82138 Total RIPE prefixes after maximum aggregation: 46407 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 75445 Unique aggregates announced from the RIPE address blocks: 48778 RIPE Region origin ASes present in the Internet Routing Table: 15301 RIPE Prefixes per ASN: 4.93 RIPE Region origin ASes announcing only one prefix: 7790 RIPE Region transit ASes present in the Internet Routing Table: 2353 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 458462976 Equivalent to 27 /8s, 83 /16s and 151 /24s Percentage of available RIPE address space announced: 73.9 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, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 31174 Total LACNIC prefixes after maximum aggregation: 7231 LACNIC Deaggregation factor: 4.31 Prefixes being announced from the LACNIC address blocks: 30098 Unique aggregates announced from the LACNIC address blocks: 15925 LACNIC Region origin ASes present in the Internet Routing Table: 1419 LACNIC Prefixes per ASN: 21.21 LACNIC Region origin ASes announcing only one prefix: 444 LACNIC Region transit ASes present in the Internet Routing Table: 249 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 80538112 Equivalent to 4 /8s, 204 /16s and 234 /24s Percentage of available LACNIC address space announced: 53.3 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7426 Total AfriNIC prefixes after maximum aggregation: 1792 AfriNIC Deaggregation factor: 4.14 Prefixes being announced from the AfriNIC address blocks: 5842 Unique aggregates announced from the AfriNIC address blocks: 1812 AfriNIC Region origin ASes present in the Internet Routing Table: 428 AfriNIC Prefixes per ASN: 13.65 AfriNIC Region origin ASes announcing only one prefix: 130 AfriNIC Region transit ASes present in the Internet Routing Table: 91 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 21803008 Equivalent to 1 /8s, 76 /16s and 176 /24s Percentage of available AfriNIC address space announced: 32.5 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1791 9485 519 Korea Telecom (KIX) 7545 1627 301 85 TPG Internet Pty Ltd 4755 1412 637 162 TATA Communications formerly 17974 1405 459 29 PT Telekomunikasi Indonesia 24560 1108 323 181 Bharti Airtel Ltd., Telemedia 9583 1042 76 487 Sify Limited 17488 952 162 104 Hathway IP Over Cable Interne 4808 939 2034 271 CNCGROUP IP network China169 18101 927 117 142 Reliance Infocom Ltd Internet 9829 897 763 42 National Internet Backbone Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3705 3855 265 BellSouth.net Inc. 4323 2622 1125 404 tw telecom holdings, inc. 19262 1842 4951 283 Verizon Online LLC 1785 1788 697 131 PaeTec Communications, Inc. 20115 1528 1534 644 Charter Communications 6478 1499 296 65 AT&T Services, Inc. 7018 1371 6708 888 AT&T Services, Inc. 2386 1299 554 936 AT&T Data Communications Serv 22773 1275 2865 78 Cox Communications Inc. 11492 1267 235 78 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9116 542 328 31 Goldenlines main autonomous s 6830 510 1764 316 UPC Broadband 9198 465 266 14 Kazakhtelecom Data Network Ad 34984 455 97 136 BILISIM TELEKOM 3292 445 1996 387 TDC Data Networks 8866 440 133 23 Bulgarian Telecommunication C 8551 405 355 38 Bezeq International 20940 404 94 311 Akamai Technologies European 3320 403 7617 352 Deutsche Telekom AG 702 400 1803 313 >>UNKNOWN<< Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 1373 255 165 Types of queries are: POCs, o 28573 1223 959 82 Types of queries are: POCs, o 8151 1209 2645 356 Uninet S.A. de C.V. 6503 1179 355 79 Axtel, S.A.B. de C.V. 7303 868 447 129 Telecom Argentina S.A. 14420 638 57 92 CORPORACION NACIONAL DE TELEC 22047 543 310 15 Types of queries are: POCs, o 3816 505 220 95 Types of queries are: POCs, o 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 462 35 37 Telefonica del Sur S.A. Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 775 445 11 TEDATA 24863 760 147 37 LINKdotNET AS number 36992 583 305 17 Etisalat MISR 3741 264 987 226 The Internet Solution 15475 220 56 9 Nile Online 24835 218 78 10 RAYA Telecom - Egypt 6713 205 199 12 Itissalat Al-MAGHRIB 33776 194 12 15 Starcomms Nigeria Limited 29571 193 19 11 Ci Telecom Autonomous system 16637 147 422 84 MTN Network Solutions Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3705 3855 265 BellSouth.net Inc. 4323 2622 1125 404 tw telecom holdings, inc. 19262 1842 4951 283 Verizon Online LLC 4766 1791 9485 519 Korea Telecom (KIX) 1785 1788 697 131 PaeTec Communications, Inc. 23456 1672 424 941 32-bit ASN transition 7545 1627 301 85 TPG Internet Pty Ltd 20115 1528 1534 644 Charter Communications 6478 1499 296 65 AT&T Services, Inc. 4755 1412 637 162 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/london/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2622 2218 tw telecom holdings, inc. 1785 1788 1657 PaeTec Communications, Inc. 19262 1842 1559 Verizon Online LLC 7545 1627 1542 TPG Internet Pty Ltd 6478 1499 1434 AT&T Services, Inc. 17974 1405 1376 PT Telekomunikasi Indonesia 4766 1791 1272 Korea Telecom (KIX) 4755 1412 1250 TATA Communications formerly 10620 1373 1208 Types of queries are: POCs, o 22773 1275 1197 Cox Communications Inc. Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65333 PRIVATE 10.0.0.0/8 0 * 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T Services, Inc. 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings, 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc. Complete listing at http://thyme.rand.apnic.net/london/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut Complete listing at http://thyme.rand.apnic.net/london/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.0.0.0/16 12654 RIPE NCC RIS Project 5.1.0.0/21 12654 RIPE NCC RIS Project 5.1.24.0/24 12654 RIPE NCC RIS Project 24.129.192.0/19 7922 Comcast Cable Communications, 31.28.0.0/19 29076 Citytelecom.ru 37.0.0.0/16 12654 RIPE NCC RIS Project 37.1.0.0/21 12654 RIPE NCC RIS Project 37.1.24.0/24 12654 RIPE NCC RIS Project 39.0.0.0/8 237 Merit Network Inc. 41.222.79.0/24 36938 >>UNKNOWN<< Complete listing at http://thyme.rand.apnic.net/london/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 /8:22 /9:10 /10:26 /11:71 /12:216 /13:441 /14:764 /15:1362 /16:11452 /17:5628 /18:9303 /19:18916 /20:24381 /21:24652 /22:32823 /23:31436 /24:179220 /25:11 /26:17 /27:24 /28:157 /29:91 /30:41 /31:0 /32:112 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2283 3705 BellSouth.net Inc. 6478 1453 1499 AT&T Services, Inc. 4323 1410 2622 tw telecom holdings, inc. 10620 1264 1373 Types of queries are: POCs, o 11492 1224 1267 CABLE ONE, INC. 18566 1203 1225 Covad Communications Co. 7011 1062 1165 Frontier Communications of Am 1785 1055 1788 PaeTec Communications, Inc. 23456 976 1672 32-bit ASN transition 6503 956 1179 Axtel, S.A.B. de C.V. Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:176 2:45 4:13 5:1 8:332 12:2025 13:1 14:400 15:15 16:3 17:8 20:9 23:1 24:1472 27:576 32:57 33:5 34:2 37:1 38:696 40:101 41:2273 44:3 46:578 47:5 49:145 50:82 52:12 55:6 56:2 57:29 58:764 59:479 60:389 61:1018 62:1093 63:1936 64:3738 65:2356 66:4136 67:1762 68:1007 69:2910 70:711 71:397 72:2005 73:1 74:2317 75:292 76:342 77:846 78:706 79:442 80:1043 81:821 82:538 83:475 84:652 85:1050 86:542 87:753 88:350 89:1571 90:156 91:3463 92:495 93:1041 94:1199 95:755 96:421 97:251 98:790 99:33 101:27 107:3 108:88 109:954 110:471 111:690 112:302 113:353 114:476 115:635 116:920 117:673 118:655 119:1011 120:237 121:680 122:1630 123:1060 124:1250 125:1217 128:212 129:147 130:166 131:565 132:102 133:20 134:210 135:49 136:213 137:144 138:291 139:115 140:469 141:196 142:342 143:384 144:484 145:51 146:425 147:191 148:619 149:273 150:161 151:231 152:303 153:179 154:2 155:349 156:173 157:313 158:129 159:373 160:314 161:195 162:271 163:151 164:486 165:335 166:496 167:420 168:735 169:148 170:750 171:68 172:2 173:1287 174:517 175:314 176:1 177:4 178:759 180:785 182:334 183:252 184:208 186:1000 187:807 188:907 189:1047 190:4352 192:5743 193:4793 194:3494 195:2946 196:1168 197:3 198:3498 199:3797 200:5566 201:1573 202:8052 203:8339 204:4041 205:2308 206:2528 207:3002 208:3893 209:3467 210:2607 211:1324 212:1891 213:1722 214:759 215:62 216:4823 217:1613 218:519 219:373 220:1200 221:433 222:315 223:90 End of report