83.87.51 is a class C of IPs

Sample IPs from the class C 83.87.51

83.87.51.182	View precise location of 83.87.51.182 on the map!
83.87.51.132	View precise location of 83.87.51.132 on the map!
83.87.51.120	View precise location of 83.87.51.120 on the map!
83.87.51.221	View precise location of 83.87.51.221 on the map!
83.87.51.44	View precise location of 83.87.51.44 on the map!
83.87.51.119	View precise location of 83.87.51.119 on the map!
83.87.51.103	View precise location of 83.87.51.103 on the map!
83.87.51.59	View precise location of 83.87.51.59 on the map!
83.87.51.194	View precise location of 83.87.51.194 on the map!
83.87.51.104	View precise location of 83.87.51.104 on the map!
83.87.51.78	View precise location of 83.87.51.78 on the map!

10 Random IPs

157.119.103.164	Find precise map location of 157.119.103.164
112.134.8.76	Find precise map location of 112.134.8.76
254.158.89.78	Find precise map location of 254.158.89.78
170.33.252.248	Find precise map location of 170.33.252.248
232.5.91.173	Find precise map location of 232.5.91.173
135.32.203.83	Find precise map location of 135.32.203.83
113.83.96.77	Find precise map location of 113.83.96.77
49.203.215.235	Find precise map location of 49.203.215.235
219.14.27.134	Find precise map location of 219.14.27.134
216.242.149.36	Find precise map location of 216.242.149.36
213.193.143.40	Find precise map location of 213.193.143.40

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