221.104.52 is a class C of IPs

Sample IPs from the class C 221.104.52

221.104.52.53	View precise location of 221.104.52.53 on the map!
221.104.52.206	View precise location of 221.104.52.206 on the map!
221.104.52.67	View precise location of 221.104.52.67 on the map!
221.104.52.218	View precise location of 221.104.52.218 on the map!
221.104.52.151	View precise location of 221.104.52.151 on the map!
221.104.52.126	View precise location of 221.104.52.126 on the map!
221.104.52.11	View precise location of 221.104.52.11 on the map!
221.104.52.37	View precise location of 221.104.52.37 on the map!
221.104.52.41	View precise location of 221.104.52.41 on the map!
221.104.52.94	View precise location of 221.104.52.94 on the map!
221.104.52.44	View precise location of 221.104.52.44 on the map!

10 Random IPs

117.211.119.149	Find precise map location of 117.211.119.149
190.110.87.37	Find precise map location of 190.110.87.37
117.170.58.223	Find precise map location of 117.170.58.223
15.103.48.191	Find precise map location of 15.103.48.191
128.159.73.167	Find precise map location of 128.159.73.167
94.11.122.249	Find precise map location of 94.11.122.249
213.55.104.233	Find precise map location of 213.55.104.233
137.164.40.183	Find precise map location of 137.164.40.183
154.99.198.56	Find precise map location of 154.99.198.56
191.255.234.149	Find precise map location of 191.255.234.149
128.116.11.189	Find precise map location of 128.116.11.189

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