131.231.139 is a class C of IPs

Sample IPs from the class C 131.231.139

131.231.139.45	View precise location of 131.231.139.45 on the map!
131.231.139.243	View precise location of 131.231.139.243 on the map!
131.231.139.52	View precise location of 131.231.139.52 on the map!
131.231.139.208	View precise location of 131.231.139.208 on the map!
131.231.139.224	View precise location of 131.231.139.224 on the map!
131.231.139.39	View precise location of 131.231.139.39 on the map!
131.231.139.77	View precise location of 131.231.139.77 on the map!
131.231.139.15	View precise location of 131.231.139.15 on the map!
131.231.139.148	View precise location of 131.231.139.148 on the map!
131.231.139.2	View precise location of 131.231.139.2 on the map!
131.231.139.184	View precise location of 131.231.139.184 on the map!