139.248.51 is a class C of IPs

Sample IPs from the class C 139.248.51

139.248.51.242	View precise location of 139.248.51.242 on the map!
139.248.51.15	View precise location of 139.248.51.15 on the map!
139.248.51.240	View precise location of 139.248.51.240 on the map!
139.248.51.99	View precise location of 139.248.51.99 on the map!
139.248.51.145	View precise location of 139.248.51.145 on the map!
139.248.51.62	View precise location of 139.248.51.62 on the map!
139.248.51.38	View precise location of 139.248.51.38 on the map!
139.248.51.3	View precise location of 139.248.51.3 on the map!
139.248.51.90	View precise location of 139.248.51.90 on the map!
139.248.51.83	View precise location of 139.248.51.83 on the map!
139.248.51.155	View precise location of 139.248.51.155 on the map!

10 Random IPs

89.183.144.36	Find precise map location of 89.183.144.36
12.239.111.120	Find precise map location of 12.239.111.120
179.113.233.142	Find precise map location of 179.113.233.142
28.207.134.109	Find precise map location of 28.207.134.109
162.89.84.69	Find precise map location of 162.89.84.69
80.160.25.132	Find precise map location of 80.160.25.132
129.119.182.177	Find precise map location of 129.119.182.177
157.226.33.123	Find precise map location of 157.226.33.123
239.90.210.221	Find precise map location of 239.90.210.221
198.188.129.248	Find precise map location of 198.188.129.248
236.237.38.17	Find precise map location of 236.237.38.17

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