51.16.165 is a class C of IPs

Sample IPs from the class C 51.16.165

51.16.165.101	View precise location of 51.16.165.101 on the map!
51.16.165.3	View precise location of 51.16.165.3 on the map!
51.16.165.224	View precise location of 51.16.165.224 on the map!
51.16.165.215	View precise location of 51.16.165.215 on the map!
51.16.165.39	View precise location of 51.16.165.39 on the map!
51.16.165.162	View precise location of 51.16.165.162 on the map!
51.16.165.9	View precise location of 51.16.165.9 on the map!
51.16.165.143	View precise location of 51.16.165.143 on the map!
51.16.165.24	View precise location of 51.16.165.24 on the map!
51.16.165.232	View precise location of 51.16.165.232 on the map!
51.16.165.52	View precise location of 51.16.165.52 on the map!

10 Random IPs

92.151.32.100	Find precise map location of 92.151.32.100
153.134.73.172	Find precise map location of 153.134.73.172
39.98.9.182	Find precise map location of 39.98.9.182
205.178.112.8	Find precise map location of 205.178.112.8
254.174.69.5	Find precise map location of 254.174.69.5
94.141.174.244	Find precise map location of 94.141.174.244
144.31.98.116	Find precise map location of 144.31.98.116
169.179.104.32	Find precise map location of 169.179.104.32
89.205.18.50	Find precise map location of 89.205.18.50
65.87.206.209	Find precise map location of 65.87.206.209
72.195.161.227	Find precise map location of 72.195.161.227

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