52.145.121 is a class C of IPs

Sample IPs from the class C 52.145.121

52.145.121.11	View precise location of 52.145.121.11 on the map!
52.145.121.12	View precise location of 52.145.121.12 on the map!
52.145.121.78	View precise location of 52.145.121.78 on the map!
52.145.121.48	View precise location of 52.145.121.48 on the map!
52.145.121.158	View precise location of 52.145.121.158 on the map!
52.145.121.83	View precise location of 52.145.121.83 on the map!
52.145.121.124	View precise location of 52.145.121.124 on the map!
52.145.121.121	View precise location of 52.145.121.121 on the map!
52.145.121.208	View precise location of 52.145.121.208 on the map!
52.145.121.78	View precise location of 52.145.121.78 on the map!
52.145.121.169	View precise location of 52.145.121.169 on the map!

10 Random IPs

119.106.10.106	Find precise map location of 119.106.10.106
116.23.170.40	Find precise map location of 116.23.170.40
199.228.37.64	Find precise map location of 199.228.37.64
98.175.24.19	Find precise map location of 98.175.24.19
190.249.254.239	Find precise map location of 190.249.254.239
129.234.166.247	Find precise map location of 129.234.166.247
80.235.141.192	Find precise map location of 80.235.141.192
142.243.172.89	Find precise map location of 142.243.172.89
100.69.243.7	Find precise map location of 100.69.243.7
131.101.199.159	Find precise map location of 131.101.199.159
222.109.157.196	Find precise map location of 222.109.157.196

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