131.37.189 is a class C of IPs

Sample IPs from the class C 131.37.189

131.37.189.92	View precise location of 131.37.189.92 on the map!
131.37.189.252	View precise location of 131.37.189.252 on the map!
131.37.189.54	View precise location of 131.37.189.54 on the map!
131.37.189.170	View precise location of 131.37.189.170 on the map!
131.37.189.110	View precise location of 131.37.189.110 on the map!
131.37.189.123	View precise location of 131.37.189.123 on the map!
131.37.189.245	View precise location of 131.37.189.245 on the map!
131.37.189.46	View precise location of 131.37.189.46 on the map!
131.37.189.161	View precise location of 131.37.189.161 on the map!
131.37.189.85	View precise location of 131.37.189.85 on the map!
131.37.189.206	View precise location of 131.37.189.206 on the map!

10 Random IPs

90.237.251.153	Find precise map location of 90.237.251.153
139.174.138.155	Find precise map location of 139.174.138.155
33.247.159.17	Find precise map location of 33.247.159.17
91.252.23.45	Find precise map location of 91.252.23.45
72.232.102.215	Find precise map location of 72.232.102.215
44.146.228.237	Find precise map location of 44.146.228.237
50.201.154.33	Find precise map location of 50.201.154.33
204.82.64.15	Find precise map location of 204.82.64.15
170.79.88.2	Find precise map location of 170.79.88.2
18.37.154.175	Find precise map location of 18.37.154.175
173.46.220.153	Find precise map location of 173.46.220.153

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