Summary
| ASN | AS2856 British Telecommunications PLC |
| BGP | 81.128.0.0/11 |
| IPs with RDNS | 78 |
| Hosted Domains | 0 |
| Pingable IPs | 107 |
| Router IPs | 57 |
| 81.147.48.0 | — | 0 |  | |
| 81.147.48.1 | — | 0 | | |
| 81.147.48.2 | — | 0 |  | |
| 81.147.48.3 | ftip005480258.acc3.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.4 | — | 0 | | |
| 81.147.48.5 | — | 0 | | |
| 81.147.48.6 | — | 0 | | |
| 81.147.48.7 | ftip006328238.acc4.sheffield.21cn-nte.bt.net | 0 | | |
| 81.147.48.8 | — | 0 | | |
| 81.147.48.9 | ftip009605886.acc3.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.10 | — | 0 | | |
| 81.147.48.11 | ftip003447574.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.147.48.12 | — | 0 | | |
| 81.147.48.13 | ftip007665196-v1-fo.acc6.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.14 | — | 0 | | |
| 81.147.48.15 | ftip003294604-ms-lb.access2.birmingham.fixed-nte.bt.net | 0 | | |
| 81.147.48.16 | — | 0 | | |
| 81.147.48.17 | ftip005819621.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.18 | — | 0 | | |
| 81.147.48.19 | ftip003615140.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.147.48.20 | — | 0 | | |
| 81.147.48.21 | ftip006870935.acc4.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.22 | — | 0 | | |
| 81.147.48.23 | ftip004020547-v1-fo.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.24 | — | 0 | | |
| 81.147.48.25 | ftip007038839.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.26 | — | 0 | | |
| 81.147.48.27 | — | 0 | | |
| 81.147.48.28 | — | 0 | | |
| 81.147.48.29 | ftip003257098-ms-bgp.acc1.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.30 | — | 0 | | |
| 81.147.48.31 | — | 0 | | |
| 81.147.48.32 | — | 0 | | |
| 81.147.48.33 | ftip003073605-v1-lb.acc3.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.34 | — | 0 | | |
| 81.147.48.35 | ftip003177211-v1-fo.acc1.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.36 | — | 0 | | |
| 81.147.48.37 | — | 0 | | |
| 81.147.48.38 | — | 0 | | |
| 81.147.48.39 | — | 0 | | |
| 81.147.48.40 | — | 0 | | |
| 81.147.48.41 | ftip003177181-v1-fo.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.42 | — | 0 | | |
| 81.147.48.43 | — | 0 | | |
| 81.147.48.44 | — | 0 | | |
| 81.147.48.45 | ftip003512005-ms-fo.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.46 | — | 0 | | |
| 81.147.48.47 | — | 0 | | |
| 81.147.48.48 | — | 0 | | |
| 81.147.48.49 | — | 0 | | |
| 81.147.48.50 | — | 0 | | |
| 81.147.48.51 | ftip006872854.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.52 | — | 0 | | |
| 81.147.48.53 | ftip005819638.acc1.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.54 | — | 0 | | |
| 81.147.48.55 | — | 0 | | |
| 81.147.48.56 | — | 0 | | |
| 81.147.48.57 | ftip002951010.acc1.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.58 | — | 0 | | |
| 81.147.48.59 | ftip005995844-v1-fo.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.147.48.60 | — | 0 | | |
| 81.147.48.61 | ftip003136881.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.62 | — | 0 | | |
| 81.147.48.63 | ftip006885649.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.64 | — | 0 | | |
| 81.147.48.65 | ftip006886103.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.147.48.66 | — | 0 | | |
| 81.147.48.67 | ftip009605732.acc1.guildford.21cn-nte.bt.net | 0 | | |
| 81.147.48.68 | — | 0 | | |
| 81.147.48.69 | ftip006106232.acc4.sf.21cn-nte.bt.net | 0 | | |
| 81.147.48.70 | — | 0 | | |
| 81.147.48.71 | ftip005654628.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.147.48.72 | — | 0 | | |
| 81.147.48.73 | — | 0 | | |
| 81.147.48.74 | — | 0 | | |
| 81.147.48.75 | ftip005995844-ms-fo.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.76 | — | 0 | | |
| 81.147.48.77 | ftip003269664.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.78 | — | 0 | | |
| 81.147.48.79 | ftip009607286.acc4.sf.21cn-nte.bt.net | 0 | | |
| 81.147.48.80 | — | 0 | | |
| 81.147.48.81 | — | 0 | | |
| 81.147.48.82 | — | 0 | | |
| 81.147.48.83 | ftip006433482-ms-lb.acc1.guildford.21cn-nte.bt.net | 0 | | |
| 81.147.48.84 | — | 0 | | |
| 81.147.48.85 | — | 0 | | |
| 81.147.48.86 | — | 0 | | |
| 81.147.48.87 | ftip006433482-v1-lb.acc3.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.88 | — | 0 | | |
| 81.147.48.89 | — | 0 | | |
| 81.147.48.90 | — | 0 | | |
| 81.147.48.91 | — | 0 | | |
| 81.147.48.92 | — | 0 | | |
| 81.147.48.93 | ftip003478349.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.94 | — | 0 | | |
| 81.147.48.95 | — | 0 | | |
| 81.147.48.96 | — | 0 | | |
| 81.147.48.97 | ftip005728763-v1-bk.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.147.48.98 | — | 0 | | |
| 81.147.48.99 | ftip006435639.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.147.48.100 | — | 0 | | |
| 81.147.48.101 | — | 0 | | |
| 81.147.48.102 | — | 0 | | |
| 81.147.48.103 | ftip006599027.acc4.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.104 | — | 0 | | |
| 81.147.48.105 | ftip003295182-ms-fo.acc1.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.106 | — | 0 | | |
| 81.147.48.107 | ftip006872878.acc3.sf.21cn-nte.bt.net | 0 | | |
| 81.147.48.108 | — | 0 | | |
| 81.147.48.109 | — | 0 | | |
| 81.147.48.110 | — | 0 | | |
| 81.147.48.111 | ftip006521028.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.147.48.112 | — | 0 | | |
| 81.147.48.113 | — | 0 | | |
| 81.147.48.114 | — | 0 | | |
| 81.147.48.115 | — | 0 | | |
| 81.147.48.116 | — | 0 | | |
| 81.147.48.117 | ftip005390854-ms-fo.acc1.guildford.21cn-nte.bt.net | 0 | | |
| 81.147.48.118 | — | 0 | | |
| 81.147.48.119 | — | 0 | | |
| 81.147.48.120 | — | 0 | | |
| 81.147.48.121 | — | 0 | | |
| 81.147.48.122 | — | 0 | | |
| 81.147.48.123 | ftip006516826.acc4.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.124 | — | 0 | | |
| 81.147.48.125 | ftip005480821.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.126 | — | 0 | | |
| 81.147.48.127 | — | 0 | | |
| 81.147.48.128 | — | 0 | | |
| 81.147.48.129 | ftip003287859-ms-lb.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.130 | — | 0 | | |
| 81.147.48.131 | ftip003289396.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.132 | — | 0 | | |
| 81.147.48.133 | ftip004352341-v1-fo.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.134 | — | 0 | | |
| 81.147.48.135 | — | 0 | | |
| 81.147.48.136 | — | 0 | | |
| 81.147.48.137 | — | 0 | | |
| 81.147.48.138 | — | 0 | | |
| 81.147.48.139 | ftip006571023.acc4.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.140 | — | 0 | | |
| 81.147.48.141 | — | 0 | | |
| 81.147.48.142 | — | 0 | | |
| 81.147.48.143 | ftip004607038.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.147.48.144 | — | 0 | | |
| 81.147.48.145 | — | 0 | | |
| 81.147.48.146 | — | 0 | | |
| 81.147.48.147 | ftip003294987-ms-fo.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.148 | — | 0 | | |
| 81.147.48.149 | ftip003294987-v1-fo.acc1.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.150 | — | 0 | | |
| 81.147.48.151 | ftip003295182-v1-fo.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.152 | — | 0 | | |
| 81.147.48.153 | ftip002873565-ms-fo.acc4.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.154 | — | 0 | | |
| 81.147.48.155 | ftip002873565-v1-fo.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.156 | — | 0 | | |
| 81.147.48.157 | ftip006775421.acc4.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.158 | — | 0 | | |
| 81.147.48.159 | ftip003466018-ms-bgp.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.160 | — | 0 | | |
| 81.147.48.161 | — | 0 | | |
| 81.147.48.162 | — | 0 | | |
| 81.147.48.163 | — | 0 | | |
| 81.147.48.164 | — | 0 | | |
| 81.147.48.165 | — | 0 | | |
| 81.147.48.166 | — | 0 | | |
| 81.147.48.167 | — | 0 | | |
| 81.147.48.168 | — | 0 | | |
| 81.147.48.169 | ftip003298008-ms-bgp.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.170 | — | 0 | | |
| 81.147.48.171 | ftip005881048.acc4.manchester.21cn-nte.bt.net | 0 | | |
| 81.147.48.172 | — | 0 | | |
| 81.147.48.173 | — | 0 | | |
| 81.147.48.174 | — | 0 | | |
| 81.147.48.175 | ftip003300008-v1-fo.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.176 | — | 0 | | |
| 81.147.48.177 | — | 0 | | |
| 81.147.48.178 | — | 0 | | |
| 81.147.48.179 | — | 0 | | |
| 81.147.48.180 | — | 0 | | |
| 81.147.48.181 | ftip003380147.acc3.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.182 | — | 0 | | |
| 81.147.48.183 | ftip005391233-v1-fo.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.184 | — | 0 | | |
| 81.147.48.185 | — | 0 | | |
| 81.147.48.186 | — | 0 | | |
| 81.147.48.187 | — | 0 | | |
| 81.147.48.188 | — | 0 | | |
| 81.147.48.189 | ftip003301661.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.190 | — | 0 | | |
| 81.147.48.191 | — | 0 | | |
| 81.147.48.192 | — | 0 | | |
| 81.147.48.193 | ftip005391233-ms-fo.l-nws.21cn-ipp.bt.net | 0 | | |
| 81.147.48.194 | — | 0 | | |
| 81.147.48.195 | ftip007102233.acc2.birmingham.21cn-nte.bt.net | 0 | | |
| 81.147.48.196 | — | 0 | | |
| 81.147.48.197 | — | 0 | | |
| 81.147.48.198 | — | 0 | | |
| 81.147.48.199 | — | 0 | | |
| 81.147.48.200 | — | 0 | | |
| 81.147.48.201 | ftip003303238-ms-fo.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.202 | — | 0 | | |
| 81.147.48.203 | ftip003303238-v1-fo.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.204 | — | 0 | | |
| 81.147.48.205 | ftip005390854-v1-fo.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.147.48.206 | — | 0 | | |
| 81.147.48.207 | — | 0 | | |
| 81.147.48.208 | — | 0 | | |
| 81.147.48.209 | — | 0 | | |
| 81.147.48.210 | — | 0 | | |
| 81.147.48.211 | — | 0 | | |
| 81.147.48.212 | — | 0 | | |
| 81.147.48.213 | ftip005541423-ms-bgp.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.214 | — | 0 | | |
| 81.147.48.215 | ftip003305706-ms-fo.acc2.manchester.21cn-nte.bt.net | 0 | | |
| 81.147.48.216 | — | 0 | | |
| 81.147.48.217 | ftip003305706-v1-fo.acc1.sf.21cn-ipp.bt.net | 0 | | |
| 81.147.48.218 | — | 0 | | |
| 81.147.48.219 | — | 0 | | |
| 81.147.48.220 | — | 0 | | |
| 81.147.48.221 | ftip003385180.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.222 | — | 0 | | |
| 81.147.48.223 | ftip003423462.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.224 | — | 0 | | |
| 81.147.48.225 | — | 0 | | |
| 81.147.48.226 | — | 0 | | |
| 81.147.48.227 | ftip006870447.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.147.48.228 | — | 0 | | |
| 81.147.48.229 | — | 0 | | |
| 81.147.48.230 | — | 0 | | |
| 81.147.48.231 | ftip003308844.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.232 | — | 0 | | |
| 81.147.48.233 | ftip003423486.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.234 | — | 0 | | |
| 81.147.48.235 | ftip003327517-ms-fo.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.236 | — | 0 | | |
| 81.147.48.237 | ftip003310069-ms-lb.access2.birmingham.fixed-nte.bt.net | 0 | | |
| 81.147.48.238 | — | 0 | | |
| 81.147.48.239 | ftip003310069-v1-lb.acc1.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.240 | — | 0 | | |
| 81.147.48.241 | — | 0 | | |
| 81.147.48.242 | — | 0 | | |
| 81.147.48.243 | — | 0 | | |
| 81.147.48.244 | — | 0 | | |
| 81.147.48.245 | ftip007000249-ms-fo.acc3.sf.21cn-nte.bt.net | 0 | | |
| 81.147.48.246 | — | 0 | | |
| 81.147.48.247 | ftip003251034.acc4.faraday.21cn-nte.bt.net | 0 | | |
| 81.147.48.248 | — | 0 | | |
| 81.147.48.249 | ftip009607682-ms-fo.acc3.kingston.21cn-nte.bt.net | 0 | | |
| 81.147.48.250 | — | 0 | | |
| 81.147.48.251 | — | 0 | | |
| 81.147.48.252 | — | 0 | | |
| 81.147.48.253 | — | 0 | | |
| 81.147.48.254 | — | 0 | | |
| 81.147.48.255 | — | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f5 81.147.48.18
traceroute to 81.147.48.18 (81.147.48.18): 64 hops max, 52 byte packets
6 *
7 *
Measurement taken from 
IPinfo ProbeNet in Detroit, US
IPinfo ProbeNet in Detroit, USOn