233.39.21 is a class C of IPs

Sample IPs from the class C 233.39.21

233.39.21.83	View precise location of 233.39.21.83 on the map!
233.39.21.187	View precise location of 233.39.21.187 on the map!
233.39.21.116	View precise location of 233.39.21.116 on the map!
233.39.21.201	View precise location of 233.39.21.201 on the map!
233.39.21.169	View precise location of 233.39.21.169 on the map!
233.39.21.36	View precise location of 233.39.21.36 on the map!
233.39.21.69	View precise location of 233.39.21.69 on the map!
233.39.21.204	View precise location of 233.39.21.204 on the map!
233.39.21.103	View precise location of 233.39.21.103 on the map!
233.39.21.114	View precise location of 233.39.21.114 on the map!
233.39.21.16	View precise location of 233.39.21.16 on the map!

10 Random IPs

102.211.203.108	Find precise map location of 102.211.203.108
253.88.254.125	Find precise map location of 253.88.254.125
224.174.50.229	Find precise map location of 224.174.50.229
34.140.80.138	Find precise map location of 34.140.80.138
74.63.230.91	Find precise map location of 74.63.230.91
128.31.5.81	Find precise map location of 128.31.5.81
24.17.16.9	Find precise map location of 24.17.16.9
245.205.82.91	Find precise map location of 245.205.82.91
111.141.125.54	Find precise map location of 111.141.125.54
150.158.16.124	Find precise map location of 150.158.16.124
11.119.25.67	Find precise map location of 11.119.25.67

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