83.128.51 is a class C of IPs

Sample IPs from the class C 83.128.51

83.128.51.223	View precise location of 83.128.51.223 on the map!
83.128.51.58	View precise location of 83.128.51.58 on the map!
83.128.51.115	View precise location of 83.128.51.115 on the map!
83.128.51.6	View precise location of 83.128.51.6 on the map!
83.128.51.119	View precise location of 83.128.51.119 on the map!
83.128.51.38	View precise location of 83.128.51.38 on the map!
83.128.51.217	View precise location of 83.128.51.217 on the map!
83.128.51.180	View precise location of 83.128.51.180 on the map!
83.128.51.108	View precise location of 83.128.51.108 on the map!
83.128.51.46	View precise location of 83.128.51.46 on the map!
83.128.51.118	View precise location of 83.128.51.118 on the map!

10 Random IPs

252.56.191.191	Find precise map location of 252.56.191.191
32.255.18.208	Find precise map location of 32.255.18.208
86.22.142.214	Find precise map location of 86.22.142.214
170.86.112.69	Find precise map location of 170.86.112.69
50.41.174.165	Find precise map location of 50.41.174.165
158.104.11.140	Find precise map location of 158.104.11.140
175.30.40.15	Find precise map location of 175.30.40.15
75.59.47.213	Find precise map location of 75.59.47.213
189.178.227.7	Find precise map location of 189.178.227.7
234.205.53.123	Find precise map location of 234.205.53.123
3.128.220.218	Find precise map location of 3.128.220.218

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