18.145.81 is a class C of IPs

Sample IPs from the class C 18.145.81

18.145.81.44	View precise location of 18.145.81.44 on the map!
18.145.81.83	View precise location of 18.145.81.83 on the map!
18.145.81.62	View precise location of 18.145.81.62 on the map!
18.145.81.222	View precise location of 18.145.81.222 on the map!
18.145.81.150	View precise location of 18.145.81.150 on the map!
18.145.81.49	View precise location of 18.145.81.49 on the map!
18.145.81.7	View precise location of 18.145.81.7 on the map!
18.145.81.186	View precise location of 18.145.81.186 on the map!
18.145.81.153	View precise location of 18.145.81.153 on the map!
18.145.81.121	View precise location of 18.145.81.121 on the map!
18.145.81.78	View precise location of 18.145.81.78 on the map!

10 Random IPs

14.145.110.241	Find precise map location of 14.145.110.241
128.222.47.181	Find precise map location of 128.222.47.181
253.223.60.130	Find precise map location of 253.223.60.130
80.13.146.22	Find precise map location of 80.13.146.22
77.254.240.52	Find precise map location of 77.254.240.52
9.35.151.40	Find precise map location of 9.35.151.40
237.181.51.53	Find precise map location of 237.181.51.53
174.154.68.189	Find precise map location of 174.154.68.189
222.231.192.247	Find precise map location of 222.231.192.247
217.253.45.119	Find precise map location of 217.253.45.119
58.185.119.11	Find precise map location of 58.185.119.11

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