51.239.243 is a class C of IPs

Sample IPs from the class C 51.239.243

51.239.243.193	View precise location of 51.239.243.193 on the map!
51.239.243.117	View precise location of 51.239.243.117 on the map!
51.239.243.137	View precise location of 51.239.243.137 on the map!
51.239.243.122	View precise location of 51.239.243.122 on the map!
51.239.243.245	View precise location of 51.239.243.245 on the map!
51.239.243.46	View precise location of 51.239.243.46 on the map!
51.239.243.164	View precise location of 51.239.243.164 on the map!
51.239.243.247	View precise location of 51.239.243.247 on the map!
51.239.243.33	View precise location of 51.239.243.33 on the map!
51.239.243.232	View precise location of 51.239.243.232 on the map!
51.239.243.89	View precise location of 51.239.243.89 on the map!

10 Random IPs

93.151.164.117	Find precise map location of 93.151.164.117
228.176.218.160	Find precise map location of 228.176.218.160
99.250.227.170	Find precise map location of 99.250.227.170
97.199.255.89	Find precise map location of 97.199.255.89
96.235.251.162	Find precise map location of 96.235.251.162
236.244.75.130	Find precise map location of 236.244.75.130
162.192.105.115	Find precise map location of 162.192.105.115
132.3.114.83	Find precise map location of 132.3.114.83
209.195.79.127	Find precise map location of 209.195.79.127
10.122.248.188	Find precise map location of 10.122.248.188
167.115.14.152	Find precise map location of 167.115.14.152

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.