21.215.252 is a class C of IPs

Sample IPs from the class C 21.215.252

21.215.252.54	View precise location of 21.215.252.54 on the map!
21.215.252.180	View precise location of 21.215.252.180 on the map!
21.215.252.96	View precise location of 21.215.252.96 on the map!
21.215.252.141	View precise location of 21.215.252.141 on the map!
21.215.252.19	View precise location of 21.215.252.19 on the map!
21.215.252.165	View precise location of 21.215.252.165 on the map!
21.215.252.99	View precise location of 21.215.252.99 on the map!
21.215.252.56	View precise location of 21.215.252.56 on the map!
21.215.252.156	View precise location of 21.215.252.156 on the map!
21.215.252.148	View precise location of 21.215.252.148 on the map!
21.215.252.178	View precise location of 21.215.252.178 on the map!

10 Random IPs

87.69.177.190	Find precise map location of 87.69.177.190
235.53.95.239	Find precise map location of 235.53.95.239
145.231.203.192	Find precise map location of 145.231.203.192
198.227.156.83	Find precise map location of 198.227.156.83
254.186.167.34	Find precise map location of 254.186.167.34
207.51.158.196	Find precise map location of 207.51.158.196
162.242.168.206	Find precise map location of 162.242.168.206
54.79.153.130	Find precise map location of 54.79.153.130
203.225.190.208	Find precise map location of 203.225.190.208
94.126.12.170	Find precise map location of 94.126.12.170
73.41.185.182	Find precise map location of 73.41.185.182

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