112.21.157 is a class C of IPs

Sample IPs from the class C 112.21.157

112.21.157.84	View precise location of 112.21.157.84 on the map!
112.21.157.207	View precise location of 112.21.157.207 on the map!
112.21.157.241	View precise location of 112.21.157.241 on the map!
112.21.157.212	View precise location of 112.21.157.212 on the map!
112.21.157.121	View precise location of 112.21.157.121 on the map!
112.21.157.213	View precise location of 112.21.157.213 on the map!
112.21.157.96	View precise location of 112.21.157.96 on the map!
112.21.157.103	View precise location of 112.21.157.103 on the map!
112.21.157.47	View precise location of 112.21.157.47 on the map!
112.21.157.255	View precise location of 112.21.157.255 on the map!
112.21.157.105	View precise location of 112.21.157.105 on the map!

10 Random IPs

249.124.43.24	Find precise map location of 249.124.43.24
182.23.90.206	Find precise map location of 182.23.90.206
128.49.80.78	Find precise map location of 128.49.80.78
48.15.130.127	Find precise map location of 48.15.130.127
24.224.233.244	Find precise map location of 24.224.233.244
30.251.37.8	Find precise map location of 30.251.37.8
164.153.230.254	Find precise map location of 164.153.230.254
143.43.2.193	Find precise map location of 143.43.2.193
107.167.138.192	Find precise map location of 107.167.138.192
204.103.244.36	Find precise map location of 204.103.244.36
79.82.229.21	Find precise map location of 79.82.229.21

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