131.121.36 is a class C of IPs

Sample IPs from the class C 131.121.36

131.121.36.91	View precise location of 131.121.36.91 on the map!
131.121.36.101	View precise location of 131.121.36.101 on the map!
131.121.36.99	View precise location of 131.121.36.99 on the map!
131.121.36.120	View precise location of 131.121.36.120 on the map!
131.121.36.206	View precise location of 131.121.36.206 on the map!
131.121.36.1	View precise location of 131.121.36.1 on the map!
131.121.36.111	View precise location of 131.121.36.111 on the map!
131.121.36.45	View precise location of 131.121.36.45 on the map!
131.121.36.240	View precise location of 131.121.36.240 on the map!
131.121.36.186	View precise location of 131.121.36.186 on the map!
131.121.36.36	View precise location of 131.121.36.36 on the map!

10 Random IPs

210.235.75.20	Find precise map location of 210.235.75.20
88.4.46.242	Find precise map location of 88.4.46.242
228.224.89.64	Find precise map location of 228.224.89.64
151.238.88.234	Find precise map location of 151.238.88.234
75.245.241.73	Find precise map location of 75.245.241.73
138.91.80.25	Find precise map location of 138.91.80.25
173.8.89.26	Find precise map location of 173.8.89.26
89.150.159.132	Find precise map location of 89.150.159.132
31.165.216.22	Find precise map location of 31.165.216.22
214.195.135.51	Find precise map location of 214.195.135.51
38.171.221.211	Find precise map location of 38.171.221.211

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