31.21.232 is a class C of IPs

Sample IPs from the class C 31.21.232

31.21.232.64	View precise location of 31.21.232.64 on the map!
31.21.232.229	View precise location of 31.21.232.229 on the map!
31.21.232.10	View precise location of 31.21.232.10 on the map!
31.21.232.117	View precise location of 31.21.232.117 on the map!
31.21.232.165	View precise location of 31.21.232.165 on the map!
31.21.232.139	View precise location of 31.21.232.139 on the map!
31.21.232.106	View precise location of 31.21.232.106 on the map!
31.21.232.180	View precise location of 31.21.232.180 on the map!
31.21.232.133	View precise location of 31.21.232.133 on the map!
31.21.232.175	View precise location of 31.21.232.175 on the map!
31.21.232.186	View precise location of 31.21.232.186 on the map!

10 Random IPs

123.229.179.216	Find precise map location of 123.229.179.216
22.65.22.35	Find precise map location of 22.65.22.35
50.69.132.37	Find precise map location of 50.69.132.37
175.148.14.144	Find precise map location of 175.148.14.144
140.166.234.44	Find precise map location of 140.166.234.44
100.75.33.225	Find precise map location of 100.75.33.225
84.209.49.51	Find precise map location of 84.209.49.51
132.254.249.128	Find precise map location of 132.254.249.128
62.143.128.157	Find precise map location of 62.143.128.157
38.21.216.32	Find precise map location of 38.21.216.32
108.182.119.161	Find precise map location of 108.182.119.161

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