21.246.157 is a class C of IPs

Sample IPs from the class C 21.246.157

21.246.157.31	View precise location of 21.246.157.31 on the map!
21.246.157.166	View precise location of 21.246.157.166 on the map!
21.246.157.227	View precise location of 21.246.157.227 on the map!
21.246.157.238	View precise location of 21.246.157.238 on the map!
21.246.157.209	View precise location of 21.246.157.209 on the map!
21.246.157.1	View precise location of 21.246.157.1 on the map!
21.246.157.109	View precise location of 21.246.157.109 on the map!
21.246.157.196	View precise location of 21.246.157.196 on the map!
21.246.157.253	View precise location of 21.246.157.253 on the map!
21.246.157.248	View precise location of 21.246.157.248 on the map!
21.246.157.201	View precise location of 21.246.157.201 on the map!

10 Random IPs

184.248.252.211	Find precise map location of 184.248.252.211
246.24.76.209	Find precise map location of 246.24.76.209
135.235.120.165	Find precise map location of 135.235.120.165
215.131.178.209	Find precise map location of 215.131.178.209
42.70.248.85	Find precise map location of 42.70.248.85
49.73.53.183	Find precise map location of 49.73.53.183
39.142.162.255	Find precise map location of 39.142.162.255
20.28.196.44	Find precise map location of 20.28.196.44
245.191.198.101	Find precise map location of 245.191.198.101
152.170.158.255	Find precise map location of 152.170.158.255
18.113.94.21	Find precise map location of 18.113.94.21

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