77.83.138 is a class C of IPs

Sample IPs from the class C 77.83.138

77.83.138.7	View precise location of 77.83.138.7 on the map!
77.83.138.249	View precise location of 77.83.138.249 on the map!
77.83.138.139	View precise location of 77.83.138.139 on the map!
77.83.138.248	View precise location of 77.83.138.248 on the map!
77.83.138.183	View precise location of 77.83.138.183 on the map!
77.83.138.136	View precise location of 77.83.138.136 on the map!
77.83.138.253	View precise location of 77.83.138.253 on the map!
77.83.138.250	View precise location of 77.83.138.250 on the map!
77.83.138.250	View precise location of 77.83.138.250 on the map!
77.83.138.106	View precise location of 77.83.138.106 on the map!
77.83.138.35	View precise location of 77.83.138.35 on the map!

10 Random IPs

48.8.59.110	Find precise map location of 48.8.59.110
254.40.192.153	Find precise map location of 254.40.192.153
251.62.231.52	Find precise map location of 251.62.231.52
92.90.169.126	Find precise map location of 92.90.169.126
125.32.2.204	Find precise map location of 125.32.2.204
221.23.155.11	Find precise map location of 221.23.155.11
228.181.240.157	Find precise map location of 228.181.240.157
69.147.232.86	Find precise map location of 69.147.232.86
21.158.146.5	Find precise map location of 21.158.146.5
175.79.94.38	Find precise map location of 175.79.94.38
70.200.15.15	Find precise map location of 70.200.15.15

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