83.138.158 is a class C of IPs

Sample IPs from the class C 83.138.158

83.138.158.171	View precise location of 83.138.158.171 on the map!
83.138.158.159	View precise location of 83.138.158.159 on the map!
83.138.158.111	View precise location of 83.138.158.111 on the map!
83.138.158.46	View precise location of 83.138.158.46 on the map!
83.138.158.41	View precise location of 83.138.158.41 on the map!
83.138.158.241	View precise location of 83.138.158.241 on the map!
83.138.158.93	View precise location of 83.138.158.93 on the map!
83.138.158.217	View precise location of 83.138.158.217 on the map!
83.138.158.194	View precise location of 83.138.158.194 on the map!
83.138.158.186	View precise location of 83.138.158.186 on the map!
83.138.158.123	View precise location of 83.138.158.123 on the map!

10 Random IPs

120.224.241.122	Find precise map location of 120.224.241.122
134.43.206.242	Find precise map location of 134.43.206.242
65.19.8.188	Find precise map location of 65.19.8.188
5.33.232.116	Find precise map location of 5.33.232.116
214.164.120.118	Find precise map location of 214.164.120.118
1.213.197.186	Find precise map location of 1.213.197.186
38.196.71.113	Find precise map location of 38.196.71.113
181.82.82.26	Find precise map location of 181.82.82.26
111.18.160.124	Find precise map location of 111.18.160.124
203.99.163.219	Find precise map location of 203.99.163.219
78.171.76.229	Find precise map location of 78.171.76.229

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