231.159.204 is a class C of IPs

Sample IPs from the class C 231.159.204

231.159.204.176	View precise location of 231.159.204.176 on the map!
231.159.204.66	View precise location of 231.159.204.66 on the map!
231.159.204.231	View precise location of 231.159.204.231 on the map!
231.159.204.103	View precise location of 231.159.204.103 on the map!
231.159.204.3	View precise location of 231.159.204.3 on the map!
231.159.204.194	View precise location of 231.159.204.194 on the map!
231.159.204.24	View precise location of 231.159.204.24 on the map!
231.159.204.63	View precise location of 231.159.204.63 on the map!
231.159.204.194	View precise location of 231.159.204.194 on the map!
231.159.204.188	View precise location of 231.159.204.188 on the map!
231.159.204.149	View precise location of 231.159.204.149 on the map!

10 Random IPs

99.179.75.106	Find precise map location of 99.179.75.106
63.115.82.1	Find precise map location of 63.115.82.1
28.193.66.43	Find precise map location of 28.193.66.43
178.224.102.135	Find precise map location of 178.224.102.135
73.210.30.7	Find precise map location of 73.210.30.7
240.191.98.233	Find precise map location of 240.191.98.233
111.73.228.68	Find precise map location of 111.73.228.68
54.46.93.41	Find precise map location of 54.46.93.41
6.190.246.2	Find precise map location of 6.190.246.2
168.192.105.172	Find precise map location of 168.192.105.172
227.216.30.229	Find precise map location of 227.216.30.229

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