138.152.77 is a class C of IPs

Sample IPs from the class C 138.152.77

138.152.77.205	View precise location of 138.152.77.205 on the map!
138.152.77.16	View precise location of 138.152.77.16 on the map!
138.152.77.60	View precise location of 138.152.77.60 on the map!
138.152.77.211	View precise location of 138.152.77.211 on the map!
138.152.77.141	View precise location of 138.152.77.141 on the map!
138.152.77.145	View precise location of 138.152.77.145 on the map!
138.152.77.90	View precise location of 138.152.77.90 on the map!
138.152.77.88	View precise location of 138.152.77.88 on the map!
138.152.77.185	View precise location of 138.152.77.185 on the map!
138.152.77.115	View precise location of 138.152.77.115 on the map!
138.152.77.174	View precise location of 138.152.77.174 on the map!

10 Random IPs

67.144.123.61	Find precise map location of 67.144.123.61
17.233.191.135	Find precise map location of 17.233.191.135
208.154.121.35	Find precise map location of 208.154.121.35
151.68.40.40	Find precise map location of 151.68.40.40
181.208.193.103	Find precise map location of 181.208.193.103
207.248.68.229	Find precise map location of 207.248.68.229
56.205.115.11	Find precise map location of 56.205.115.11
104.3.32.90	Find precise map location of 104.3.32.90
37.236.23.103	Find precise map location of 37.236.23.103
219.41.142.42	Find precise map location of 219.41.142.42
71.142.205.120	Find precise map location of 71.142.205.120

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