138.145.42 is a class C of IPs

Sample IPs from the class C 138.145.42

138.145.42.22	View precise location of 138.145.42.22 on the map!
138.145.42.235	View precise location of 138.145.42.235 on the map!
138.145.42.204	View precise location of 138.145.42.204 on the map!
138.145.42.226	View precise location of 138.145.42.226 on the map!
138.145.42.91	View precise location of 138.145.42.91 on the map!
138.145.42.99	View precise location of 138.145.42.99 on the map!
138.145.42.78	View precise location of 138.145.42.78 on the map!
138.145.42.134	View precise location of 138.145.42.134 on the map!
138.145.42.89	View precise location of 138.145.42.89 on the map!
138.145.42.170	View precise location of 138.145.42.170 on the map!
138.145.42.150	View precise location of 138.145.42.150 on the map!

10 Random IPs

230.76.145.187	Find precise map location of 230.76.145.187
224.221.82.221	Find precise map location of 224.221.82.221
55.45.62.33	Find precise map location of 55.45.62.33
233.222.191.53	Find precise map location of 233.222.191.53
96.255.39.190	Find precise map location of 96.255.39.190
174.248.225.127	Find precise map location of 174.248.225.127
22.105.17.165	Find precise map location of 22.105.17.165
76.218.50.10	Find precise map location of 76.218.50.10
164.59.50.72	Find precise map location of 164.59.50.72
17.243.234.29	Find precise map location of 17.243.234.29
7.217.31.41	Find precise map location of 7.217.31.41

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