45.231.21 is a class C of IPs

Sample IPs from the class C 45.231.21

45.231.21.255	View precise location of 45.231.21.255 on the map!
45.231.21.160	View precise location of 45.231.21.160 on the map!
45.231.21.119	View precise location of 45.231.21.119 on the map!
45.231.21.221	View precise location of 45.231.21.221 on the map!
45.231.21.28	View precise location of 45.231.21.28 on the map!
45.231.21.88	View precise location of 45.231.21.88 on the map!
45.231.21.168	View precise location of 45.231.21.168 on the map!
45.231.21.49	View precise location of 45.231.21.49 on the map!
45.231.21.95	View precise location of 45.231.21.95 on the map!
45.231.21.63	View precise location of 45.231.21.63 on the map!
45.231.21.43	View precise location of 45.231.21.43 on the map!

10 Random IPs

190.63.165.192	Find precise map location of 190.63.165.192
177.149.55.45	Find precise map location of 177.149.55.45
11.141.195.233	Find precise map location of 11.141.195.233
141.196.159.70	Find precise map location of 141.196.159.70
25.199.90.36	Find precise map location of 25.199.90.36
132.227.82.15	Find precise map location of 132.227.82.15
12.67.244.70	Find precise map location of 12.67.244.70
158.33.74.181	Find precise map location of 158.33.74.181
202.226.46.118	Find precise map location of 202.226.46.118
20.190.96.179	Find precise map location of 20.190.96.179
6.6.143.166	Find precise map location of 6.6.143.166

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