83.21.59 is a class C of IPs

Sample IPs from the class C 83.21.59

83.21.59.116	View precise location of 83.21.59.116 on the map!
83.21.59.179	View precise location of 83.21.59.179 on the map!
83.21.59.65	View precise location of 83.21.59.65 on the map!
83.21.59.203	View precise location of 83.21.59.203 on the map!
83.21.59.138	View precise location of 83.21.59.138 on the map!
83.21.59.236	View precise location of 83.21.59.236 on the map!
83.21.59.249	View precise location of 83.21.59.249 on the map!
83.21.59.15	View precise location of 83.21.59.15 on the map!
83.21.59.56	View precise location of 83.21.59.56 on the map!
83.21.59.250	View precise location of 83.21.59.250 on the map!
83.21.59.174	View precise location of 83.21.59.174 on the map!

10 Random IPs

90.186.162.236	Find precise map location of 90.186.162.236
89.143.97.72	Find precise map location of 89.143.97.72
107.122.152.48	Find precise map location of 107.122.152.48
241.253.125.241	Find precise map location of 241.253.125.241
133.37.9.221	Find precise map location of 133.37.9.221
53.122.37.50	Find precise map location of 53.122.37.50
9.84.198.72	Find precise map location of 9.84.198.72
123.148.112.43	Find precise map location of 123.148.112.43
187.80.129.22	Find precise map location of 187.80.129.22
111.119.85.237	Find precise map location of 111.119.85.237
94.131.84.3	Find precise map location of 94.131.84.3

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