221.52.140 is a class C of IPs

Sample IPs from the class C 221.52.140

221.52.140.125	View precise location of 221.52.140.125 on the map!
221.52.140.37	View precise location of 221.52.140.37 on the map!
221.52.140.200	View precise location of 221.52.140.200 on the map!
221.52.140.131	View precise location of 221.52.140.131 on the map!
221.52.140.139	View precise location of 221.52.140.139 on the map!
221.52.140.105	View precise location of 221.52.140.105 on the map!
221.52.140.7	View precise location of 221.52.140.7 on the map!
221.52.140.156	View precise location of 221.52.140.156 on the map!
221.52.140.100	View precise location of 221.52.140.100 on the map!
221.52.140.217	View precise location of 221.52.140.217 on the map!
221.52.140.213	View precise location of 221.52.140.213 on the map!

10 Random IPs

39.186.227.108	Find precise map location of 39.186.227.108
124.132.48.78	Find precise map location of 124.132.48.78
166.114.28.1	Find precise map location of 166.114.28.1
46.141.225.83	Find precise map location of 46.141.225.83
169.109.211.66	Find precise map location of 169.109.211.66
21.170.148.243	Find precise map location of 21.170.148.243
180.212.196.78	Find precise map location of 180.212.196.78
241.84.77.132	Find precise map location of 241.84.77.132
25.187.24.14	Find precise map location of 25.187.24.14
169.243.85.13	Find precise map location of 169.243.85.13
204.255.40.170	Find precise map location of 204.255.40.170

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