131.57.8 is a class C of IPs

Sample IPs from the class C 131.57.8

131.57.8.83	View precise location of 131.57.8.83 on the map!
131.57.8.159	View precise location of 131.57.8.159 on the map!
131.57.8.32	View precise location of 131.57.8.32 on the map!
131.57.8.169	View precise location of 131.57.8.169 on the map!
131.57.8.229	View precise location of 131.57.8.229 on the map!
131.57.8.252	View precise location of 131.57.8.252 on the map!
131.57.8.166	View precise location of 131.57.8.166 on the map!
131.57.8.2	View precise location of 131.57.8.2 on the map!
131.57.8.72	View precise location of 131.57.8.72 on the map!
131.57.8.34	View precise location of 131.57.8.34 on the map!
131.57.8.244	View precise location of 131.57.8.244 on the map!

10 Random IPs

225.225.78.211	Find precise map location of 225.225.78.211
240.45.39.46	Find precise map location of 240.45.39.46
84.85.190.245	Find precise map location of 84.85.190.245
149.54.246.16	Find precise map location of 149.54.246.16
129.10.235.164	Find precise map location of 129.10.235.164
182.188.210.15	Find precise map location of 182.188.210.15
107.163.46.20	Find precise map location of 107.163.46.20
24.2.108.255	Find precise map location of 24.2.108.255
69.230.203.121	Find precise map location of 69.230.203.121
193.186.78.210	Find precise map location of 193.186.78.210
69.147.147.225	Find precise map location of 69.147.147.225

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