83.231.239 is a class C of IPs

Sample IPs from the class C 83.231.239

83.231.239.40	View precise location of 83.231.239.40 on the map!
83.231.239.46	View precise location of 83.231.239.46 on the map!
83.231.239.17	View precise location of 83.231.239.17 on the map!
83.231.239.12	View precise location of 83.231.239.12 on the map!
83.231.239.188	View precise location of 83.231.239.188 on the map!
83.231.239.158	View precise location of 83.231.239.158 on the map!
83.231.239.16	View precise location of 83.231.239.16 on the map!
83.231.239.22	View precise location of 83.231.239.22 on the map!
83.231.239.35	View precise location of 83.231.239.35 on the map!
83.231.239.9	View precise location of 83.231.239.9 on the map!
83.231.239.216	View precise location of 83.231.239.216 on the map!

10 Random IPs

121.217.249.193	Find precise map location of 121.217.249.193
137.146.92.194	Find precise map location of 137.146.92.194
112.171.147.105	Find precise map location of 112.171.147.105
48.146.81.236	Find precise map location of 48.146.81.236
68.91.107.125	Find precise map location of 68.91.107.125
246.15.25.96	Find precise map location of 246.15.25.96
225.96.113.43	Find precise map location of 225.96.113.43
198.99.53.81	Find precise map location of 198.99.53.81
178.4.97.175	Find precise map location of 178.4.97.175
223.130.244.30	Find precise map location of 223.130.244.30
182.226.111.28	Find precise map location of 182.226.111.28

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