152.121.66 is a class C of IPs

Sample IPs from the class C 152.121.66

152.121.66.82	View precise location of 152.121.66.82 on the map!
152.121.66.110	View precise location of 152.121.66.110 on the map!
152.121.66.240	View precise location of 152.121.66.240 on the map!
152.121.66.33	View precise location of 152.121.66.33 on the map!
152.121.66.206	View precise location of 152.121.66.206 on the map!
152.121.66.10	View precise location of 152.121.66.10 on the map!
152.121.66.54	View precise location of 152.121.66.54 on the map!
152.121.66.34	View precise location of 152.121.66.34 on the map!
152.121.66.169	View precise location of 152.121.66.169 on the map!
152.121.66.137	View precise location of 152.121.66.137 on the map!
152.121.66.53	View precise location of 152.121.66.53 on the map!

10 Random IPs

8.49.249.45	Find precise map location of 8.49.249.45
198.69.230.104	Find precise map location of 198.69.230.104
37.213.70.209	Find precise map location of 37.213.70.209
250.104.5.89	Find precise map location of 250.104.5.89
157.45.190.168	Find precise map location of 157.45.190.168
201.155.122.131	Find precise map location of 201.155.122.131
113.90.165.237	Find precise map location of 113.90.165.237
123.236.228.25	Find precise map location of 123.236.228.25
2.240.35.87	Find precise map location of 2.240.35.87
150.253.158.122	Find precise map location of 150.253.158.122
186.19.212.55	Find precise map location of 186.19.212.55

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