199.31.56 is a class C of IPs

Sample IPs from the class C 199.31.56

199.31.56.39	View precise location of 199.31.56.39 on the map!
199.31.56.81	View precise location of 199.31.56.81 on the map!
199.31.56.37	View precise location of 199.31.56.37 on the map!
199.31.56.240	View precise location of 199.31.56.240 on the map!
199.31.56.169	View precise location of 199.31.56.169 on the map!
199.31.56.12	View precise location of 199.31.56.12 on the map!
199.31.56.2	View precise location of 199.31.56.2 on the map!
199.31.56.235	View precise location of 199.31.56.235 on the map!
199.31.56.41	View precise location of 199.31.56.41 on the map!
199.31.56.59	View precise location of 199.31.56.59 on the map!
199.31.56.24	View precise location of 199.31.56.24 on the map!

10 Random IPs

114.198.92.125	Find precise map location of 114.198.92.125
13.64.90.86	Find precise map location of 13.64.90.86
228.130.30.145	Find precise map location of 228.130.30.145
92.34.247.142	Find precise map location of 92.34.247.142
189.208.202.120	Find precise map location of 189.208.202.120
197.148.52.229	Find precise map location of 197.148.52.229
60.30.123.32	Find precise map location of 60.30.123.32
205.9.177.156	Find precise map location of 205.9.177.156
227.248.13.30	Find precise map location of 227.248.13.30
23.78.70.213	Find precise map location of 23.78.70.213
205.4.14.72	Find precise map location of 205.4.14.72

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