21.141.183 is a class C of IPs

Sample IPs from the class C 21.141.183

21.141.183.164	View precise location of 21.141.183.164 on the map!
21.141.183.221	View precise location of 21.141.183.221 on the map!
21.141.183.168	View precise location of 21.141.183.168 on the map!
21.141.183.205	View precise location of 21.141.183.205 on the map!
21.141.183.225	View precise location of 21.141.183.225 on the map!
21.141.183.237	View precise location of 21.141.183.237 on the map!
21.141.183.160	View precise location of 21.141.183.160 on the map!
21.141.183.49	View precise location of 21.141.183.49 on the map!
21.141.183.144	View precise location of 21.141.183.144 on the map!
21.141.183.152	View precise location of 21.141.183.152 on the map!
21.141.183.48	View precise location of 21.141.183.48 on the map!

10 Random IPs

28.26.92.92	Find precise map location of 28.26.92.92
63.243.216.166	Find precise map location of 63.243.216.166
110.248.255.218	Find precise map location of 110.248.255.218
177.129.5.181	Find precise map location of 177.129.5.181
57.230.43.14	Find precise map location of 57.230.43.14
251.94.83.40	Find precise map location of 251.94.83.40
195.65.44.87	Find precise map location of 195.65.44.87
8.48.209.66	Find precise map location of 8.48.209.66
233.184.143.37	Find precise map location of 233.184.143.37
136.91.17.168	Find precise map location of 136.91.17.168
84.48.86.243	Find precise map location of 84.48.86.243

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