131.172.166 is a class C of IPs

Sample IPs from the class C 131.172.166

131.172.166.38	View precise location of 131.172.166.38 on the map!
131.172.166.219	View precise location of 131.172.166.219 on the map!
131.172.166.191	View precise location of 131.172.166.191 on the map!
131.172.166.174	View precise location of 131.172.166.174 on the map!
131.172.166.191	View precise location of 131.172.166.191 on the map!
131.172.166.103	View precise location of 131.172.166.103 on the map!
131.172.166.109	View precise location of 131.172.166.109 on the map!
131.172.166.87	View precise location of 131.172.166.87 on the map!
131.172.166.147	View precise location of 131.172.166.147 on the map!
131.172.166.36	View precise location of 131.172.166.36 on the map!
131.172.166.27	View precise location of 131.172.166.27 on the map!

10 Random IPs

232.183.70.19	Find precise map location of 232.183.70.19
217.171.10.119	Find precise map location of 217.171.10.119
171.185.27.210	Find precise map location of 171.185.27.210
42.50.148.19	Find precise map location of 42.50.148.19
155.196.223.100	Find precise map location of 155.196.223.100
51.176.115.161	Find precise map location of 51.176.115.161
121.84.191.4	Find precise map location of 121.84.191.4
144.110.44.225	Find precise map location of 144.110.44.225
82.26.93.52	Find precise map location of 82.26.93.52
35.105.13.48	Find precise map location of 35.105.13.48
210.16.167.147	Find precise map location of 210.16.167.147

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