131.8.221 is a class C of IPs

Sample IPs from the class C 131.8.221

131.8.221.51	View precise location of 131.8.221.51 on the map!
131.8.221.142	View precise location of 131.8.221.142 on the map!
131.8.221.59	View precise location of 131.8.221.59 on the map!
131.8.221.141	View precise location of 131.8.221.141 on the map!
131.8.221.206	View precise location of 131.8.221.206 on the map!
131.8.221.2	View precise location of 131.8.221.2 on the map!
131.8.221.104	View precise location of 131.8.221.104 on the map!
131.8.221.73	View precise location of 131.8.221.73 on the map!
131.8.221.6	View precise location of 131.8.221.6 on the map!
131.8.221.85	View precise location of 131.8.221.85 on the map!
131.8.221.202	View precise location of 131.8.221.202 on the map!

10 Random IPs

38.1.28.89	Find precise map location of 38.1.28.89
158.86.7.75	Find precise map location of 158.86.7.75
53.1.194.248	Find precise map location of 53.1.194.248
13.124.205.253	Find precise map location of 13.124.205.253
191.183.85.220	Find precise map location of 191.183.85.220
154.70.194.232	Find precise map location of 154.70.194.232
225.124.23.69	Find precise map location of 225.124.23.69
153.213.121.28	Find precise map location of 153.213.121.28
126.38.200.251	Find precise map location of 126.38.200.251
155.239.99.206	Find precise map location of 155.239.99.206
111.172.223.229	Find precise map location of 111.172.223.229

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