45.21.156 is a class C of IPs

Sample IPs from the class C 45.21.156

45.21.156.215	View precise location of 45.21.156.215 on the map!
45.21.156.120	View precise location of 45.21.156.120 on the map!
45.21.156.240	View precise location of 45.21.156.240 on the map!
45.21.156.101	View precise location of 45.21.156.101 on the map!
45.21.156.92	View precise location of 45.21.156.92 on the map!
45.21.156.174	View precise location of 45.21.156.174 on the map!
45.21.156.238	View precise location of 45.21.156.238 on the map!
45.21.156.233	View precise location of 45.21.156.233 on the map!
45.21.156.159	View precise location of 45.21.156.159 on the map!
45.21.156.179	View precise location of 45.21.156.179 on the map!
45.21.156.42	View precise location of 45.21.156.42 on the map!

10 Random IPs

201.50.40.159	Find precise map location of 201.50.40.159
204.17.159.56	Find precise map location of 204.17.159.56
94.153.107.141	Find precise map location of 94.153.107.141
143.128.69.187	Find precise map location of 143.128.69.187
204.166.98.72	Find precise map location of 204.166.98.72
26.17.214.195	Find precise map location of 26.17.214.195
161.199.247.224	Find precise map location of 161.199.247.224
28.67.225.149	Find precise map location of 28.67.225.149
82.123.186.86	Find precise map location of 82.123.186.86
148.149.165.193	Find precise map location of 148.149.165.193
134.170.145.121	Find precise map location of 134.170.145.121

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