163.221.164 is a class C of IPs

Sample IPs from the class C 163.221.164

163.221.164.97	View precise location of 163.221.164.97 on the map!
163.221.164.87	View precise location of 163.221.164.87 on the map!
163.221.164.185	View precise location of 163.221.164.185 on the map!
163.221.164.86	View precise location of 163.221.164.86 on the map!
163.221.164.52	View precise location of 163.221.164.52 on the map!
163.221.164.16	View precise location of 163.221.164.16 on the map!
163.221.164.2	View precise location of 163.221.164.2 on the map!
163.221.164.6	View precise location of 163.221.164.6 on the map!
163.221.164.27	View precise location of 163.221.164.27 on the map!
163.221.164.250	View precise location of 163.221.164.250 on the map!
163.221.164.106	View precise location of 163.221.164.106 on the map!

10 Random IPs

131.6.184.151	Find precise map location of 131.6.184.151
227.216.220.193	Find precise map location of 227.216.220.193
185.89.109.4	Find precise map location of 185.89.109.4
7.17.84.80	Find precise map location of 7.17.84.80
118.82.4.6	Find precise map location of 118.82.4.6
50.240.129.4	Find precise map location of 50.240.129.4
75.152.179.26	Find precise map location of 75.152.179.26
152.174.10.104	Find precise map location of 152.174.10.104
93.170.161.124	Find precise map location of 93.170.161.124
125.53.42.100	Find precise map location of 125.53.42.100
246.6.234.106	Find precise map location of 246.6.234.106

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