231.243.146 is a class C of IPs

Sample IPs from the class C 231.243.146

231.243.146.149	View precise location of 231.243.146.149 on the map!
231.243.146.83	View precise location of 231.243.146.83 on the map!
231.243.146.14	View precise location of 231.243.146.14 on the map!
231.243.146.176	View precise location of 231.243.146.176 on the map!
231.243.146.215	View precise location of 231.243.146.215 on the map!
231.243.146.17	View precise location of 231.243.146.17 on the map!
231.243.146.253	View precise location of 231.243.146.253 on the map!
231.243.146.170	View precise location of 231.243.146.170 on the map!
231.243.146.189	View precise location of 231.243.146.189 on the map!
231.243.146.128	View precise location of 231.243.146.128 on the map!
231.243.146.90	View precise location of 231.243.146.90 on the map!

10 Random IPs

138.206.58.103	Find precise map location of 138.206.58.103
183.44.53.80	Find precise map location of 183.44.53.80
71.181.201.218	Find precise map location of 71.181.201.218
29.62.19.137	Find precise map location of 29.62.19.137
221.142.15.148	Find precise map location of 221.142.15.148
169.200.185.66	Find precise map location of 169.200.185.66
19.96.131.240	Find precise map location of 19.96.131.240
27.209.3.157	Find precise map location of 27.209.3.157
146.122.208.135	Find precise map location of 146.122.208.135
86.67.152.156	Find precise map location of 86.67.152.156
51.170.43.237	Find precise map location of 51.170.43.237

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