21.178.253 is a class C of IPs

Sample IPs from the class C 21.178.253

21.178.253.29	View precise location of 21.178.253.29 on the map!
21.178.253.231	View precise location of 21.178.253.231 on the map!
21.178.253.184	View precise location of 21.178.253.184 on the map!
21.178.253.98	View precise location of 21.178.253.98 on the map!
21.178.253.154	View precise location of 21.178.253.154 on the map!
21.178.253.155	View precise location of 21.178.253.155 on the map!
21.178.253.158	View precise location of 21.178.253.158 on the map!
21.178.253.246	View precise location of 21.178.253.246 on the map!
21.178.253.31	View precise location of 21.178.253.31 on the map!
21.178.253.168	View precise location of 21.178.253.168 on the map!
21.178.253.89	View precise location of 21.178.253.89 on the map!

10 Random IPs

64.181.36.60	Find precise map location of 64.181.36.60
183.15.157.220	Find precise map location of 183.15.157.220
118.199.179.212	Find precise map location of 118.199.179.212
172.237.63.83	Find precise map location of 172.237.63.83
76.121.92.117	Find precise map location of 76.121.92.117
128.244.15.3	Find precise map location of 128.244.15.3
7.78.191.238	Find precise map location of 7.78.191.238
213.228.158.134	Find precise map location of 213.228.158.134
235.103.173.29	Find precise map location of 235.103.173.29
84.93.101.149	Find precise map location of 84.93.101.149
173.44.113.219	Find precise map location of 173.44.113.219

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