83.212.221 is a class C of IPs

Sample IPs from the class C 83.212.221

83.212.221.222	View precise location of 83.212.221.222 on the map!
83.212.221.195	View precise location of 83.212.221.195 on the map!
83.212.221.228	View precise location of 83.212.221.228 on the map!
83.212.221.195	View precise location of 83.212.221.195 on the map!
83.212.221.225	View precise location of 83.212.221.225 on the map!
83.212.221.89	View precise location of 83.212.221.89 on the map!
83.212.221.196	View precise location of 83.212.221.196 on the map!
83.212.221.196	View precise location of 83.212.221.196 on the map!
83.212.221.161	View precise location of 83.212.221.161 on the map!
83.212.221.174	View precise location of 83.212.221.174 on the map!
83.212.221.70	View precise location of 83.212.221.70 on the map!

10 Random IPs

195.196.84.131	Find precise map location of 195.196.84.131
72.115.92.32	Find precise map location of 72.115.92.32
192.178.249.25	Find precise map location of 192.178.249.25
147.33.127.188	Find precise map location of 147.33.127.188
91.217.18.58	Find precise map location of 91.217.18.58
147.218.108.76	Find precise map location of 147.218.108.76
243.183.108.154	Find precise map location of 243.183.108.154
150.134.189.251	Find precise map location of 150.134.189.251
21.167.215.162	Find precise map location of 21.167.215.162
242.60.208.47	Find precise map location of 242.60.208.47
177.20.208.133	Find precise map location of 177.20.208.133

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