131.148.51 is a class C of IPs

Sample IPs from the class C 131.148.51

131.148.51.48	View precise location of 131.148.51.48 on the map!
131.148.51.50	View precise location of 131.148.51.50 on the map!
131.148.51.224	View precise location of 131.148.51.224 on the map!
131.148.51.57	View precise location of 131.148.51.57 on the map!
131.148.51.129	View precise location of 131.148.51.129 on the map!
131.148.51.215	View precise location of 131.148.51.215 on the map!
131.148.51.198	View precise location of 131.148.51.198 on the map!
131.148.51.110	View precise location of 131.148.51.110 on the map!
131.148.51.53	View precise location of 131.148.51.53 on the map!
131.148.51.218	View precise location of 131.148.51.218 on the map!
131.148.51.253	View precise location of 131.148.51.253 on the map!

10 Random IPs

133.244.173.23	Find precise map location of 133.244.173.23
100.113.165.89	Find precise map location of 100.113.165.89
132.147.216.138	Find precise map location of 132.147.216.138
255.166.126.112	Find precise map location of 255.166.126.112
68.9.107.95	Find precise map location of 68.9.107.95
74.170.3.229	Find precise map location of 74.170.3.229
182.9.26.74	Find precise map location of 182.9.26.74
186.207.120.141	Find precise map location of 186.207.120.141
181.201.110.137	Find precise map location of 181.201.110.137
57.174.169.9	Find precise map location of 57.174.169.9
99.54.150.142	Find precise map location of 99.54.150.142

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