81.47 is a class B of IPs

Sample IPs from the class B 81.47

81.47.142.170	View precise location of 81.47.142.170 on the map!
81.47.12.45	View precise location of 81.47.12.45 on the map!
81.47.108.242	View precise location of 81.47.108.242 on the map!
81.47.140.68	View precise location of 81.47.140.68 on the map!
81.47.116.174	View precise location of 81.47.116.174 on the map!
81.47.100.53	View precise location of 81.47.100.53 on the map!
81.47.15.209	View precise location of 81.47.15.209 on the map!
81.47.171.200	View precise location of 81.47.171.200 on the map!
81.47.29.225	View precise location of 81.47.29.225 on the map!
81.47.92.158	View precise location of 81.47.92.158 on the map!
81.47.96.117	View precise location of 81.47.96.117 on the map!

10 Random IPs

78.185.242.61	Find precise map location of 78.185.242.61
87.8.67.99	Find precise map location of 87.8.67.99
246.45.117.72	Find precise map location of 246.45.117.72
217.231.20.176	Find precise map location of 217.231.20.176
196.54.224.239	Find precise map location of 196.54.224.239
240.43.88.160	Find precise map location of 240.43.88.160
97.155.51.210	Find precise map location of 97.155.51.210
206.96.114.100	Find precise map location of 206.96.114.100
41.225.234.162	Find precise map location of 41.225.234.162
92.137.9.30	Find precise map location of 92.137.9.30
25.160.240.253	Find precise map location of 25.160.240.253

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