223.53.20 is a class C of IPs

Sample IPs from the class C 223.53.20

223.53.20.7	View precise location of 223.53.20.7 on the map!
223.53.20.162	View precise location of 223.53.20.162 on the map!
223.53.20.18	View precise location of 223.53.20.18 on the map!
223.53.20.81	View precise location of 223.53.20.81 on the map!
223.53.20.125	View precise location of 223.53.20.125 on the map!
223.53.20.128	View precise location of 223.53.20.128 on the map!
223.53.20.128	View precise location of 223.53.20.128 on the map!
223.53.20.189	View precise location of 223.53.20.189 on the map!
223.53.20.208	View precise location of 223.53.20.208 on the map!
223.53.20.173	View precise location of 223.53.20.173 on the map!
223.53.20.125	View precise location of 223.53.20.125 on the map!

10 Random IPs

151.216.189.61	Find precise map location of 151.216.189.61
14.182.13.250	Find precise map location of 14.182.13.250
243.219.5.25	Find precise map location of 243.219.5.25
136.64.131.133	Find precise map location of 136.64.131.133
191.233.158.170	Find precise map location of 191.233.158.170
196.61.196.159	Find precise map location of 196.61.196.159
51.128.47.117	Find precise map location of 51.128.47.117
232.244.120.92	Find precise map location of 232.244.120.92
147.180.99.114	Find precise map location of 147.180.99.114
59.18.85.37	Find precise map location of 59.18.85.37
10.125.78.172	Find precise map location of 10.125.78.172

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