231.43.42 is a class C of IPs

Sample IPs from the class C 231.43.42

231.43.42.9	View precise location of 231.43.42.9 on the map!
231.43.42.69	View precise location of 231.43.42.69 on the map!
231.43.42.31	View precise location of 231.43.42.31 on the map!
231.43.42.70	View precise location of 231.43.42.70 on the map!
231.43.42.176	View precise location of 231.43.42.176 on the map!
231.43.42.209	View precise location of 231.43.42.209 on the map!
231.43.42.85	View precise location of 231.43.42.85 on the map!
231.43.42.158	View precise location of 231.43.42.158 on the map!
231.43.42.67	View precise location of 231.43.42.67 on the map!
231.43.42.158	View precise location of 231.43.42.158 on the map!
231.43.42.164	View precise location of 231.43.42.164 on the map!

10 Random IPs

182.24.74.210	Find precise map location of 182.24.74.210
153.10.135.43	Find precise map location of 153.10.135.43
43.158.113.244	Find precise map location of 43.158.113.244
1.67.70.169	Find precise map location of 1.67.70.169
122.178.127.248	Find precise map location of 122.178.127.248
190.251.90.231	Find precise map location of 190.251.90.231
220.194.53.63	Find precise map location of 220.194.53.63
252.78.250.115	Find precise map location of 252.78.250.115
189.246.110.237	Find precise map location of 189.246.110.237
122.215.49.229	Find precise map location of 122.215.49.229
54.152.101.174	Find precise map location of 54.152.101.174

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