221.164.164 is a class C of IPs

Sample IPs from the class C 221.164.164

221.164.164.81	View precise location of 221.164.164.81 on the map!
221.164.164.188	View precise location of 221.164.164.188 on the map!
221.164.164.60	View precise location of 221.164.164.60 on the map!
221.164.164.17	View precise location of 221.164.164.17 on the map!
221.164.164.216	View precise location of 221.164.164.216 on the map!
221.164.164.236	View precise location of 221.164.164.236 on the map!
221.164.164.95	View precise location of 221.164.164.95 on the map!
221.164.164.92	View precise location of 221.164.164.92 on the map!
221.164.164.88	View precise location of 221.164.164.88 on the map!
221.164.164.203	View precise location of 221.164.164.203 on the map!
221.164.164.117	View precise location of 221.164.164.117 on the map!

10 Random IPs

178.113.57.81	Find precise map location of 178.113.57.81
64.40.47.161	Find precise map location of 64.40.47.161
227.183.92.13	Find precise map location of 227.183.92.13
229.7.243.161	Find precise map location of 229.7.243.161
101.230.183.40	Find precise map location of 101.230.183.40
47.62.95.200	Find precise map location of 47.62.95.200
239.31.200.161	Find precise map location of 239.31.200.161
110.163.180.130	Find precise map location of 110.163.180.130
9.6.33.113	Find precise map location of 9.6.33.113
179.90.22.81	Find precise map location of 179.90.22.81
154.177.254.85	Find precise map location of 154.177.254.85

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