131.56.158 is a class C of IPs

Sample IPs from the class C 131.56.158

131.56.158.63	View precise location of 131.56.158.63 on the map!
131.56.158.4	View precise location of 131.56.158.4 on the map!
131.56.158.61	View precise location of 131.56.158.61 on the map!
131.56.158.96	View precise location of 131.56.158.96 on the map!
131.56.158.88	View precise location of 131.56.158.88 on the map!
131.56.158.17	View precise location of 131.56.158.17 on the map!
131.56.158.33	View precise location of 131.56.158.33 on the map!
131.56.158.76	View precise location of 131.56.158.76 on the map!
131.56.158.205	View precise location of 131.56.158.205 on the map!
131.56.158.89	View precise location of 131.56.158.89 on the map!
131.56.158.207	View precise location of 131.56.158.207 on the map!

10 Random IPs

192.11.30.243	Find precise map location of 192.11.30.243
229.101.144.218	Find precise map location of 229.101.144.218
217.222.250.26	Find precise map location of 217.222.250.26
111.159.193.164	Find precise map location of 111.159.193.164
14.241.126.195	Find precise map location of 14.241.126.195
22.200.102.141	Find precise map location of 22.200.102.141
5.84.220.50	Find precise map location of 5.84.220.50
105.140.10.165	Find precise map location of 105.140.10.165
125.110.202.95	Find precise map location of 125.110.202.95
190.40.126.58	Find precise map location of 190.40.126.58
151.248.179.40	Find precise map location of 151.248.179.40

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