231.4.3 is a class C of IPs

Sample IPs from the class C 231.4.3

231.4.3.174	View precise location of 231.4.3.174 on the map!
231.4.3.187	View precise location of 231.4.3.187 on the map!
231.4.3.27	View precise location of 231.4.3.27 on the map!
231.4.3.171	View precise location of 231.4.3.171 on the map!
231.4.3.120	View precise location of 231.4.3.120 on the map!
231.4.3.192	View precise location of 231.4.3.192 on the map!
231.4.3.154	View precise location of 231.4.3.154 on the map!
231.4.3.94	View precise location of 231.4.3.94 on the map!
231.4.3.127	View precise location of 231.4.3.127 on the map!
231.4.3.128	View precise location of 231.4.3.128 on the map!
231.4.3.11	View precise location of 231.4.3.11 on the map!

10 Random IPs

29.53.197.65	Find precise map location of 29.53.197.65
137.76.141.158	Find precise map location of 137.76.141.158
103.37.174.174	Find precise map location of 103.37.174.174
167.154.85.27	Find precise map location of 167.154.85.27
136.81.38.177	Find precise map location of 136.81.38.177
24.101.233.180	Find precise map location of 24.101.233.180
58.67.40.185	Find precise map location of 58.67.40.185
235.103.171.80	Find precise map location of 235.103.171.80
126.144.28.235	Find precise map location of 126.144.28.235
180.45.111.116	Find precise map location of 180.45.111.116
127.175.136.82	Find precise map location of 127.175.136.82

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