164.121.20 is a class C of IPs

Sample IPs from the class C 164.121.20

164.121.20.113	View precise location of 164.121.20.113 on the map!
164.121.20.138	View precise location of 164.121.20.138 on the map!
164.121.20.62	View precise location of 164.121.20.62 on the map!
164.121.20.218	View precise location of 164.121.20.218 on the map!
164.121.20.49	View precise location of 164.121.20.49 on the map!
164.121.20.60	View precise location of 164.121.20.60 on the map!
164.121.20.92	View precise location of 164.121.20.92 on the map!
164.121.20.186	View precise location of 164.121.20.186 on the map!
164.121.20.248	View precise location of 164.121.20.248 on the map!
164.121.20.214	View precise location of 164.121.20.214 on the map!
164.121.20.196	View precise location of 164.121.20.196 on the map!

10 Random IPs

31.190.57.122	Find precise map location of 31.190.57.122
13.167.112.147	Find precise map location of 13.167.112.147
64.122.33.59	Find precise map location of 64.122.33.59
114.74.157.220	Find precise map location of 114.74.157.220
102.253.162.166	Find precise map location of 102.253.162.166
202.160.23.221	Find precise map location of 202.160.23.221
194.118.109.125	Find precise map location of 194.118.109.125
254.116.5.109	Find precise map location of 254.116.5.109
90.168.61.170	Find precise map location of 90.168.61.170
77.7.150.97	Find precise map location of 77.7.150.97
124.46.215.194	Find precise map location of 124.46.215.194

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