145.31 is a class B of IPs

Sample IPs from the class B 145.31

145.31.151.130	View precise location of 145.31.151.130 on the map!
145.31.255.50	View precise location of 145.31.255.50 on the map!
145.31.68.93	View precise location of 145.31.68.93 on the map!
145.31.14.176	View precise location of 145.31.14.176 on the map!
145.31.35.154	View precise location of 145.31.35.154 on the map!
145.31.22.169	View precise location of 145.31.22.169 on the map!
145.31.145.231	View precise location of 145.31.145.231 on the map!
145.31.254.35	View precise location of 145.31.254.35 on the map!
145.31.44.116	View precise location of 145.31.44.116 on the map!
145.31.173.21	View precise location of 145.31.173.21 on the map!
145.31.189.244	View precise location of 145.31.189.244 on the map!

10 Random IPs

56.74.142.164	Find precise map location of 56.74.142.164
117.213.95.123	Find precise map location of 117.213.95.123
183.31.155.28	Find precise map location of 183.31.155.28
56.14.123.181	Find precise map location of 56.14.123.181
89.3.175.237	Find precise map location of 89.3.175.237
237.94.183.86	Find precise map location of 237.94.183.86
146.218.70.237	Find precise map location of 146.218.70.237
3.39.35.146	Find precise map location of 3.39.35.146
250.229.97.88	Find precise map location of 250.229.97.88
169.190.183.157	Find precise map location of 169.190.183.157
227.78.140.246	Find precise map location of 227.78.140.246

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