102.131.57 is a class C of IPs

Sample IPs from the class C 102.131.57

102.131.57.105	View precise location of 102.131.57.105 on the map!
102.131.57.165	View precise location of 102.131.57.165 on the map!
102.131.57.168	View precise location of 102.131.57.168 on the map!
102.131.57.88	View precise location of 102.131.57.88 on the map!
102.131.57.193	View precise location of 102.131.57.193 on the map!
102.131.57.209	View precise location of 102.131.57.209 on the map!
102.131.57.171	View precise location of 102.131.57.171 on the map!
102.131.57.4	View precise location of 102.131.57.4 on the map!
102.131.57.55	View precise location of 102.131.57.55 on the map!
102.131.57.59	View precise location of 102.131.57.59 on the map!
102.131.57.173	View precise location of 102.131.57.173 on the map!

10 Random IPs

141.178.106.86	Find precise map location of 141.178.106.86
36.153.208.41	Find precise map location of 36.153.208.41
206.188.82.72	Find precise map location of 206.188.82.72
20.84.174.81	Find precise map location of 20.84.174.81
20.73.98.87	Find precise map location of 20.73.98.87
162.71.112.21	Find precise map location of 162.71.112.21
69.69.105.195	Find precise map location of 69.69.105.195
119.70.40.105	Find precise map location of 119.70.40.105
156.104.10.203	Find precise map location of 156.104.10.203
14.4.101.215	Find precise map location of 14.4.101.215
53.80.68.8	Find precise map location of 53.80.68.8

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