156.221.145 is a class C of IPs

Sample IPs from the class C 156.221.145

156.221.145.110	View precise location of 156.221.145.110 on the map!
156.221.145.45	View precise location of 156.221.145.45 on the map!
156.221.145.126	View precise location of 156.221.145.126 on the map!
156.221.145.112	View precise location of 156.221.145.112 on the map!
156.221.145.96	View precise location of 156.221.145.96 on the map!
156.221.145.143	View precise location of 156.221.145.143 on the map!
156.221.145.54	View precise location of 156.221.145.54 on the map!
156.221.145.142	View precise location of 156.221.145.142 on the map!
156.221.145.229	View precise location of 156.221.145.229 on the map!
156.221.145.115	View precise location of 156.221.145.115 on the map!
156.221.145.37	View precise location of 156.221.145.37 on the map!

10 Random IPs

17.151.138.99	Find precise map location of 17.151.138.99
16.77.191.58	Find precise map location of 16.77.191.58
119.115.81.101	Find precise map location of 119.115.81.101
141.114.21.189	Find precise map location of 141.114.21.189
198.32.51.2	Find precise map location of 198.32.51.2
110.19.141.31	Find precise map location of 110.19.141.31
92.172.20.253	Find precise map location of 92.172.20.253
253.54.85.209	Find precise map location of 253.54.85.209
213.81.189.196	Find precise map location of 213.81.189.196
102.237.76.81	Find precise map location of 102.237.76.81
174.253.127.85	Find precise map location of 174.253.127.85

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