131.38.13 is a class C of IPs

Sample IPs from the class C 131.38.13

131.38.13.69	View precise location of 131.38.13.69 on the map!
131.38.13.111	View precise location of 131.38.13.111 on the map!
131.38.13.57	View precise location of 131.38.13.57 on the map!
131.38.13.89	View precise location of 131.38.13.89 on the map!
131.38.13.24	View precise location of 131.38.13.24 on the map!
131.38.13.41	View precise location of 131.38.13.41 on the map!
131.38.13.191	View precise location of 131.38.13.191 on the map!
131.38.13.97	View precise location of 131.38.13.97 on the map!
131.38.13.20	View precise location of 131.38.13.20 on the map!
131.38.13.167	View precise location of 131.38.13.167 on the map!
131.38.13.174	View precise location of 131.38.13.174 on the map!

10 Random IPs

193.200.196.83	Find precise map location of 193.200.196.83
138.5.182.145	Find precise map location of 138.5.182.145
25.175.160.136	Find precise map location of 25.175.160.136
23.81.247.13	Find precise map location of 23.81.247.13
135.214.31.94	Find precise map location of 135.214.31.94
175.143.216.110	Find precise map location of 175.143.216.110
210.74.191.74	Find precise map location of 210.74.191.74
199.87.166.175	Find precise map location of 199.87.166.175
214.18.222.39	Find precise map location of 214.18.222.39
82.249.97.73	Find precise map location of 82.249.97.73
38.231.54.176	Find precise map location of 38.231.54.176

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