81.242.72 is a class C of IPs

Sample IPs from the class C 81.242.72

81.242.72.246	View precise location of 81.242.72.246 on the map!
81.242.72.101	View precise location of 81.242.72.101 on the map!
81.242.72.96	View precise location of 81.242.72.96 on the map!
81.242.72.54	View precise location of 81.242.72.54 on the map!
81.242.72.179	View precise location of 81.242.72.179 on the map!
81.242.72.236	View precise location of 81.242.72.236 on the map!
81.242.72.123	View precise location of 81.242.72.123 on the map!
81.242.72.128	View precise location of 81.242.72.128 on the map!
81.242.72.231	View precise location of 81.242.72.231 on the map!
81.242.72.187	View precise location of 81.242.72.187 on the map!
81.242.72.142	View precise location of 81.242.72.142 on the map!

10 Random IPs

178.218.244.218	Find precise map location of 178.218.244.218
115.200.39.160	Find precise map location of 115.200.39.160
235.194.151.15	Find precise map location of 235.194.151.15
85.32.4.30	Find precise map location of 85.32.4.30
64.117.131.195	Find precise map location of 64.117.131.195
180.177.176.94	Find precise map location of 180.177.176.94
111.177.195.119	Find precise map location of 111.177.195.119
66.24.16.2	Find precise map location of 66.24.16.2
3.164.199.140	Find precise map location of 3.164.199.140
70.25.175.199	Find precise map location of 70.25.175.199
246.136.12.133	Find precise map location of 246.136.12.133

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