131.4.74 is a class C of IPs

Sample IPs from the class C 131.4.74

131.4.74.78	View precise location of 131.4.74.78 on the map!
131.4.74.60	View precise location of 131.4.74.60 on the map!
131.4.74.46	View precise location of 131.4.74.46 on the map!
131.4.74.54	View precise location of 131.4.74.54 on the map!
131.4.74.19	View precise location of 131.4.74.19 on the map!
131.4.74.195	View precise location of 131.4.74.195 on the map!
131.4.74.118	View precise location of 131.4.74.118 on the map!
131.4.74.140	View precise location of 131.4.74.140 on the map!
131.4.74.101	View precise location of 131.4.74.101 on the map!
131.4.74.156	View precise location of 131.4.74.156 on the map!
131.4.74.137	View precise location of 131.4.74.137 on the map!

10 Random IPs

202.13.131.112	Find precise map location of 202.13.131.112
146.130.26.130	Find precise map location of 146.130.26.130
58.254.210.147	Find precise map location of 58.254.210.147
52.37.255.192	Find precise map location of 52.37.255.192
131.221.67.104	Find precise map location of 131.221.67.104
47.83.117.109	Find precise map location of 47.83.117.109
29.5.176.126	Find precise map location of 29.5.176.126
174.29.65.44	Find precise map location of 174.29.65.44
202.235.195.140	Find precise map location of 202.235.195.140
134.174.115.163	Find precise map location of 134.174.115.163
43.167.200.42	Find precise map location of 43.167.200.42

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