18.81.87 is a class C of IPs

Sample IPs from the class C 18.81.87

18.81.87.23	View precise location of 18.81.87.23 on the map!
18.81.87.25	View precise location of 18.81.87.25 on the map!
18.81.87.218	View precise location of 18.81.87.218 on the map!
18.81.87.119	View precise location of 18.81.87.119 on the map!
18.81.87.152	View precise location of 18.81.87.152 on the map!
18.81.87.15	View precise location of 18.81.87.15 on the map!
18.81.87.226	View precise location of 18.81.87.226 on the map!
18.81.87.161	View precise location of 18.81.87.161 on the map!
18.81.87.155	View precise location of 18.81.87.155 on the map!
18.81.87.142	View precise location of 18.81.87.142 on the map!
18.81.87.36	View precise location of 18.81.87.36 on the map!

10 Random IPs

180.107.209.54	Find precise map location of 180.107.209.54
205.114.181.182	Find precise map location of 205.114.181.182
178.239.96.52	Find precise map location of 178.239.96.52
208.5.92.135	Find precise map location of 208.5.92.135
168.246.109.61	Find precise map location of 168.246.109.61
31.204.187.173	Find precise map location of 31.204.187.173
220.251.213.221	Find precise map location of 220.251.213.221
228.115.47.208	Find precise map location of 228.115.47.208
80.111.190.249	Find precise map location of 80.111.190.249
104.131.175.145	Find precise map location of 104.131.175.145
252.155.152.25	Find precise map location of 252.155.152.25

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