81.216.50 is a class C of IPs

Sample IPs from the class C 81.216.50

81.216.50.80	View precise location of 81.216.50.80 on the map!
81.216.50.117	View precise location of 81.216.50.117 on the map!
81.216.50.102	View precise location of 81.216.50.102 on the map!
81.216.50.139	View precise location of 81.216.50.139 on the map!
81.216.50.226	View precise location of 81.216.50.226 on the map!
81.216.50.85	View precise location of 81.216.50.85 on the map!
81.216.50.139	View precise location of 81.216.50.139 on the map!
81.216.50.46	View precise location of 81.216.50.46 on the map!
81.216.50.205	View precise location of 81.216.50.205 on the map!
81.216.50.79	View precise location of 81.216.50.79 on the map!
81.216.50.243	View precise location of 81.216.50.243 on the map!

10 Random IPs

138.15.190.23	Find precise map location of 138.15.190.23
251.231.39.12	Find precise map location of 251.231.39.12
247.28.76.53	Find precise map location of 247.28.76.53
124.253.181.244	Find precise map location of 124.253.181.244
78.17.186.33	Find precise map location of 78.17.186.33
153.113.171.171	Find precise map location of 153.113.171.171
103.211.109.228	Find precise map location of 103.211.109.228
131.16.96.64	Find precise map location of 131.16.96.64
254.239.31.140	Find precise map location of 254.239.31.140
101.67.37.2	Find precise map location of 101.67.37.2
196.86.213.194	Find precise map location of 196.86.213.194

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