52.78.81 is a class C of IPs

Sample IPs from the class C 52.78.81

52.78.81.39	View precise location of 52.78.81.39 on the map!
52.78.81.117	View precise location of 52.78.81.117 on the map!
52.78.81.211	View precise location of 52.78.81.211 on the map!
52.78.81.137	View precise location of 52.78.81.137 on the map!
52.78.81.202	View precise location of 52.78.81.202 on the map!
52.78.81.138	View precise location of 52.78.81.138 on the map!
52.78.81.151	View precise location of 52.78.81.151 on the map!
52.78.81.161	View precise location of 52.78.81.161 on the map!
52.78.81.190	View precise location of 52.78.81.190 on the map!
52.78.81.54	View precise location of 52.78.81.54 on the map!
52.78.81.227	View precise location of 52.78.81.227 on the map!

10 Random IPs

151.25.90.43	Find precise map location of 151.25.90.43
184.49.114.202	Find precise map location of 184.49.114.202
136.194.62.240	Find precise map location of 136.194.62.240
59.122.121.245	Find precise map location of 59.122.121.245
136.203.121.110	Find precise map location of 136.203.121.110
162.57.227.212	Find precise map location of 162.57.227.212
244.170.143.42	Find precise map location of 244.170.143.42
40.44.196.86	Find precise map location of 40.44.196.86
4.231.222.140	Find precise map location of 4.231.222.140
213.180.27.169	Find precise map location of 213.180.27.169
78.27.8.232	Find precise map location of 78.27.8.232

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