Summary
| ASN | AS2856 British Telecommunications PLC |
| BGP | 81.128.0.0/12 |
| IPs with RDNS | 80 |
| Hosted Domains | 0 |
| Pingable IPs | 111 |
| Router IPs | 54 |
| 81.134.236.0 | — | 0 |  | |
| 81.134.236.1 | — | 0 | | |
| 81.134.236.2 | — | 0 | | |
| 81.134.236.3 | — | 0 | | |
| 81.134.236.4 | — | 0 | | |
| 81.134.236.5 | — | 0 |  | |
| 81.134.236.6 | — | 0 | | |
| 81.134.236.7 | — | 0 | | |
| 81.134.236.8 | — | 0 | | |
| 81.134.236.9 | — | 0 | | |
| 81.134.236.10 | — | 0 | | |
| 81.134.236.11 | — | 0 | | |
| 81.134.236.12 | — | 0 | | |
| 81.134.236.13 | ftip006097042.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.14 | — | 0 | | |
| 81.134.236.15 | ftip006100933.acc2.birmingham.21cn-nte.bt.net | 0 | | |
| 81.134.236.16 | — | 0 | | |
| 81.134.236.17 | ftip006100926.acc4.manchester.21cn-nte.bt.net | 0 | | |
| 81.134.236.18 | — | 0 | | |
| 81.134.236.19 | ftip004543060.acc4.birmingham.21cn-nte.bt.net | 0 | | |
| 81.134.236.20 | — | 0 | | |
| 81.134.236.21 | ftip004092834.acc3.mr.21cn-ipp.bt.net | 0 | | |
| 81.134.236.22 | — | 0 | | |
| 81.134.236.23 | ftip004085331-ms-bk.acc3.birmingham.21cn-nte.bt.net | 0 | | |
| 81.134.236.24 | — | 0 | | |
| 81.134.236.25 | — | 0 | | |
| 81.134.236.26 | — | 0 | | |
| 81.134.236.27 | — | 0 | | |
| 81.134.236.28 | — | 0 | | |
| 81.134.236.29 | ftip009593886.acc1.guildford.21cn-nte.bt.net | 0 | | |
| 81.134.236.30 | — | 0 | | |
| 81.134.236.31 | — | 0 | | |
| 81.134.236.32 | — | 0 | | |
| 81.134.236.33 | ftip006323639.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.34 | — | 0 | | |
| 81.134.236.35 | — | 0 | | |
| 81.134.236.36 | — | 0 | | |
| 81.134.236.37 | ftip006141035.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.38 | — | 0 | | |
| 81.134.236.39 | ftip006141042.acc5.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.40 | — | 0 | | |
| 81.134.236.41 | ftip006325633.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.42 | — | 0 | | |
| 81.134.236.43 | — | 0 | | |
| 81.134.236.44 | — | 0 | | |
| 81.134.236.45 | — | 0 | | |
| 81.134.236.46 | — | 0 | | |
| 81.134.236.47 | ftip009592681.acc5.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.48 | — | 0 | | |
| 81.134.236.49 | — | 0 | | |
| 81.134.236.50 | — | 0 | | |
| 81.134.236.51 | ftip006101220.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.52 | — | 0 | | |
| 81.134.236.53 | ftip007547300-v1-fo.acc6.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.54 | — | 0 | | |
| 81.134.236.55 | ftip006034030.acc5.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.56 | — | 0 | | |
| 81.134.236.57 | — | 0 | | |
| 81.134.236.58 | — | 0 | | |
| 81.134.236.59 | — | 0 | | |
| 81.134.236.60 | — | 0 | | |
| 81.134.236.61 | — | 0 | | |
| 81.134.236.62 | ftip003164075.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.63 | — | 0 | | |
| 81.134.236.64 | — | 0 | | |
| 81.134.236.65 | — | 0 | | |
| 81.134.236.66 | — | 0 | | |
| 81.134.236.67 | ftip004093534.acc3.mr.21cn-ipp.bt.net | 0 | | |
| 81.134.236.68 | — | 0 | | |
| 81.134.236.69 | ftip004093732.l-nws.21cn-ipp.bt.net | 0 | | |
| 81.134.236.70 | — | 0 | | |
| 81.134.236.71 | — | 0 | | |
| 81.134.236.72 | — | 0 | | |
| 81.134.236.73 | — | 0 | | |
| 81.134.236.74 | — | 0 | | |
| 81.134.236.75 | — | 0 | | |
| 81.134.236.76 | — | 0 | | |
| 81.134.236.77 | ftip003390528.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.78 | — | 0 | | |
| 81.134.236.79 | — | 0 | | |
| 81.134.236.80 | — | 0 | | |
| 81.134.236.81 | ftip006872427.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.82 | — | 0 | | |
| 81.134.236.83 | — | 0 | | |
| 81.134.236.84 | — | 0 | | |
| 81.134.236.85 | — | 0 | | |
| 81.134.236.86 | — | 0 | | |
| 81.134.236.87 | ftip003155493.acc1.birmingham.21cn-nte.bt.net | 0 | | |
| 81.134.236.88 | — | 0 | | |
| 81.134.236.89 | ftip009594081.acc1.guildford.21cn-nte.bt.net | 0 | | |
| 81.134.236.90 | — | 0 | | |
| 81.134.236.91 | ftip007550966.acc4.sf.21cn-nte.bt.net | 0 | | |
| 81.134.236.92 | — | 0 | | |
| 81.134.236.93 | ftip006324247.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.94 | — | 0 | | |
| 81.134.236.95 | ftip004079545.acc4.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.96 | — | 0 | | |
| 81.134.236.97 | ftip006266226.acc2.birmingham.21cn-nte.bt.net | 0 | | |
| 81.134.236.98 | — | 0 | | |
| 81.134.236.99 | — | 0 | | |
| 81.134.236.100 | — | 0 | | |
| 81.134.236.101 | ftip006101442.acc4.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.102 | — | 0 | | |
| 81.134.236.103 | — | 0 | | |
| 81.134.236.104 | — | 0 | | |
| 81.134.236.105 | ftip006773823.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.106 | — | 0 | | |
| 81.134.236.107 | ftip006101459.acc2.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.108 | — | 0 | | |
| 81.134.236.109 | — | 0 | | |
| 81.134.236.110 | ftip003154908.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.111 | — | 0 | | |
| 81.134.236.112 | — | 0 | | |
| 81.134.236.113 | ftip005017225.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.134.236.114 | — | 0 | | |
| 81.134.236.115 | — | 0 | | |
| 81.134.236.116 | — | 0 | | |
| 81.134.236.117 | ftip006101633.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.118 | — | 0 | | |
| 81.134.236.119 | ftip009593688.acc4.birmingham.21cn-nte.bt.net | 0 | | |
| 81.134.236.120 | — | 0 | | |
| 81.134.236.121 | — | 0 | | |
| 81.134.236.122 | ftip003157688.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.123 | — | 0 | | |
| 81.134.236.124 | — | 0 | | |
| 81.134.236.125 | ftip006774028.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.126 | — | 0 | | |
| 81.134.236.127 | ftip004091639.acc4.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.128 | — | 0 | | |
| 81.134.236.129 | ftip004091738.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.134.236.130 | — | 0 | | |
| 81.134.236.131 | ftip004491255.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.134.236.132 | — | 0 | | |
| 81.134.236.133 | — | 0 | | |
| 81.134.236.134 | — | 0 | | |
| 81.134.236.135 | ftip005017423.l-nws.21cn-ipp.bt.net | 0 | | |
| 81.134.236.136 | — | 0 | | |
| 81.134.236.137 | — | 0 | | |
| 81.134.236.138 | — | 0 | | |
| 81.134.236.139 | ftip004090786-ms-lb.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.134.236.140 | — | 0 | | |
| 81.134.236.141 | ftip006101633.acc4.sf.21cn-nte.bt.net | 0 | | |
| 81.134.236.142 | — | 0 | | |
| 81.134.236.143 | ftip007581694.acc4.sf.21cn-nte.bt.net | 0 | | |
| 81.134.236.144 | — | 0 | | |
| 81.134.236.145 | ftip003416273.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.146 | — | 0 | | |
| 81.134.236.147 | — | 0 | | |
| 81.134.236.148 | — | 0 | | |
| 81.134.236.149 | — | 0 | | |
| 81.134.236.150 | — | 0 | | |
| 81.134.236.151 | ftip009258495.acc4.sf.21cn-nte.bt.net | 0 | | |
| 81.134.236.152 | — | 0 | | |
| 81.134.236.153 | — | 0 | | |
| 81.134.236.154 | — | 0 | | |
| 81.134.236.155 | ftip006872434.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.156 | — | 0 | | |
| 81.134.236.157 | ftip003436639.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.158 | — | 0 | | |
| 81.134.236.159 | — | 0 | | |
| 81.134.236.160 | — | 0 | | |
| 81.134.236.161 | ftip004087946.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.134.236.162 | — | 0 | | |
| 81.134.236.163 | ftip007591884.acc5.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.164 | — | 0 | | |
| 81.134.236.165 | ftip003241288-ms-fo.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.134.236.166 | — | 0 | | |
| 81.134.236.167 | ftip004092063.acc3.mr.21cn-ipp.bt.net | 0 | | |
| 81.134.236.168 | — | 0 | | |
| 81.134.236.169 | — | 0 | | |
| 81.134.236.170 | — | 0 | | |
| 81.134.236.171 | ftip004089131-ms-lb.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.134.236.172 | — | 0 | | |
| 81.134.236.173 | ftip004115144.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.174 | — | 0 | | |
| 81.134.236.175 | ftip005018628.acc3.birmingham.21cn-nte.bt.net | 0 | | |
| 81.134.236.176 | — | 0 | | |
| 81.134.236.177 | ftip007618031.acc5.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.178 | — | 0 | | |
| 81.134.236.179 | ftip004090540-ms-lb.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.134.236.180 | — | 0 | | |
| 81.134.236.181 | ftip004091134.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.134.236.182 | — | 0 | | |
| 81.134.236.183 | — | 0 | | |
| 81.134.236.184 | — | 0 | | |
| 81.134.236.185 | ftip007549304-v1-lb.acc3.sf.21cn-nte.bt.net | 0 | | |
| 81.134.236.186 | — | 0 | | |
| 81.134.236.187 | ftip004610830-ms-fo.acc4.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.188 | — | 0 | | |
| 81.134.236.189 | — | 0 | | |
| 81.134.236.190 | — | 0 | | |
| 81.134.236.191 | ftip003289846.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.134.236.192 | — | 0 | | |
| 81.134.236.193 | ftip009594289.acc3.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.194 | — | 0 | | |
| 81.134.236.195 | ftip009595491.acc3.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.196 | — | 0 | | |
| 81.134.236.197 | — | 0 | | |
| 81.134.236.198 | — | 0 | | |
| 81.134.236.199 | ftip004086963.acc3.mr.21cn-ipp.bt.net | 0 | | |
| 81.134.236.200 | — | 0 | | |
| 81.134.236.201 | ftip003315583.acc2.kingston.21cn-nte.bt.net | 0 | | |
| 81.134.236.202 | — | 0 | | |
| 81.134.236.203 | ftip003137475-v1-fo.l-nws.21cn-ipp.bt.net | 0 | | |
| 81.134.236.204 | — | 0 | | |
| 81.134.236.205 | — | 0 | | |
| 81.134.236.206 | — | 0 | | |
| 81.134.236.207 | — | 0 | | |
| 81.134.236.208 | — | 0 | | |
| 81.134.236.209 | — | 0 | | |
| 81.134.236.210 | — | 0 | | |
| 81.134.236.211 | ftip006101664.acc5.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.212 | — | 0 | | |
| 81.134.236.213 | ftip004078388.acc3.sf.21cn-ipp.bt.net | 0 | | |
| 81.134.236.214 | — | 0 | | |
| 81.134.236.215 | ftip004013754.acc3.mr.21cn-ipp.bt.net | 0 | | |
| 81.134.236.216 | — | 0 | | |
| 81.134.236.217 | ftip007547188.acc3.sf.21cn-nte.bt.net | 0 | | |
| 81.134.236.218 | — | 0 | | |
| 81.134.236.219 | ftip006514624.acc5.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.220 | — | 0 | | |
| 81.134.236.221 | ftip006866921.acc2.colindale.21cn-nte.bt.net | 0 | | |
| 81.134.236.222 | — | 0 | | |
| 81.134.236.223 | — | 0 | | |
| 81.134.236.224 | — | 0 | | |
| 81.134.236.225 | ftip009595682.acc7.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.226 | — | 0 | | |
| 81.134.236.227 | ftip006774233.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.228 | — | 0 | | |
| 81.134.236.229 | — | 0 | | |
| 81.134.236.230 | — | 0 | | |
| 81.134.236.231 | — | 0 | | |
| 81.134.236.232 | — | 0 | | |
| 81.134.236.233 | ftip003516300.acc4.sf.21cn-nte.bt.net | 0 | | |
| 81.134.236.234 | — | 0 | | |
| 81.134.236.235 | ftip006102227.acc4.manchester.21cn-nte.bt.net | 0 | | |
| 81.134.236.236 | — | 0 | | |
| 81.134.236.237 | — | 0 | | |
| 81.134.236.238 | — | 0 | | |
| 81.134.236.239 | ftip007157226.acc4.mr.21cn-nte.bt.net | 0 | | |
| 81.134.236.240 | — | 0 | | |
| 81.134.236.241 | — | 0 | | |
| 81.134.236.242 | — | 0 | | |
| 81.134.236.243 | — | 0 | | |
| 81.134.236.244 | — | 0 | | |
| 81.134.236.245 | ftip005877621.acc3.kingston.21cn-nte.bt.net | 0 | | |
| 81.134.236.246 | — | 0 | | |
| 81.134.236.247 | ftip007710698.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.248 | — | 0 | | |
| 81.134.236.249 | ftip004096535.acc3.mr.21cn-ipp.bt.net | 0 | | |
| 81.134.236.250 | — | 0 | | |
| 81.134.236.251 | ftip004092339.acc4.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.252 | — | 0 | | |
| 81.134.236.253 | — | 0 | | |
| 81.134.236.254 | ftip003172001.acc3.faraday.21cn-nte.bt.net | 0 | | |
| 81.134.236.255 | — | 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 81.134.236.246
traceroute to 81.134.236.246 (81.134.236.246): 64 hops max, 52 byte packets
7 *
8 *
Measurement taken from 
IPinfo ProbeNet in London, GB
IPinfo ProbeNet in London, GBOn