158.138.145 is a class C of IPs

Sample IPs from the class C 158.138.145

158.138.145.247	View precise location of 158.138.145.247 on the map!
158.138.145.89	View precise location of 158.138.145.89 on the map!
158.138.145.229	View precise location of 158.138.145.229 on the map!
158.138.145.23	View precise location of 158.138.145.23 on the map!
158.138.145.246	View precise location of 158.138.145.246 on the map!
158.138.145.199	View precise location of 158.138.145.199 on the map!
158.138.145.37	View precise location of 158.138.145.37 on the map!
158.138.145.9	View precise location of 158.138.145.9 on the map!
158.138.145.231	View precise location of 158.138.145.231 on the map!
158.138.145.123	View precise location of 158.138.145.123 on the map!
158.138.145.104	View precise location of 158.138.145.104 on the map!

10 Random IPs

83.90.43.221	Find precise map location of 83.90.43.221
155.7.51.239	Find precise map location of 155.7.51.239
243.144.254.38	Find precise map location of 243.144.254.38
136.211.3.45	Find precise map location of 136.211.3.45
28.74.217.244	Find precise map location of 28.74.217.244
94.150.246.42	Find precise map location of 94.150.246.42
158.186.16.6	Find precise map location of 158.186.16.6
160.211.67.110	Find precise map location of 160.211.67.110
192.31.218.127	Find precise map location of 192.31.218.127
152.245.88.113	Find precise map location of 152.245.88.113
170.34.122.83	Find precise map location of 170.34.122.83

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