187.21.195 is a class C of IPs

Sample IPs from the class C 187.21.195

187.21.195.215	View precise location of 187.21.195.215 on the map!
187.21.195.251	View precise location of 187.21.195.251 on the map!
187.21.195.141	View precise location of 187.21.195.141 on the map!
187.21.195.124	View precise location of 187.21.195.124 on the map!
187.21.195.52	View precise location of 187.21.195.52 on the map!
187.21.195.201	View precise location of 187.21.195.201 on the map!
187.21.195.228	View precise location of 187.21.195.228 on the map!
187.21.195.97	View precise location of 187.21.195.97 on the map!
187.21.195.19	View precise location of 187.21.195.19 on the map!
187.21.195.228	View precise location of 187.21.195.228 on the map!
187.21.195.209	View precise location of 187.21.195.209 on the map!

10 Random IPs

123.58.30.244	Find precise map location of 123.58.30.244
35.70.161.165	Find precise map location of 35.70.161.165
240.160.73.242	Find precise map location of 240.160.73.242
77.70.89.111	Find precise map location of 77.70.89.111
111.154.172.213	Find precise map location of 111.154.172.213
212.125.45.129	Find precise map location of 212.125.45.129
177.209.140.102	Find precise map location of 177.209.140.102
20.105.36.213	Find precise map location of 20.105.36.213
166.86.179.28	Find precise map location of 166.86.179.28
84.210.39.58	Find precise map location of 84.210.39.58
167.34.213.227	Find precise map location of 167.34.213.227

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