227.31.145 is a class C of IPs

Sample IPs from the class C 227.31.145

227.31.145.103	View precise location of 227.31.145.103 on the map!
227.31.145.125	View precise location of 227.31.145.125 on the map!
227.31.145.29	View precise location of 227.31.145.29 on the map!
227.31.145.233	View precise location of 227.31.145.233 on the map!
227.31.145.238	View precise location of 227.31.145.238 on the map!
227.31.145.33	View precise location of 227.31.145.33 on the map!
227.31.145.129	View precise location of 227.31.145.129 on the map!
227.31.145.82	View precise location of 227.31.145.82 on the map!
227.31.145.214	View precise location of 227.31.145.214 on the map!
227.31.145.53	View precise location of 227.31.145.53 on the map!
227.31.145.125	View precise location of 227.31.145.125 on the map!

10 Random IPs

232.92.228.96	Find precise map location of 232.92.228.96
5.85.226.83	Find precise map location of 5.85.226.83
119.60.91.92	Find precise map location of 119.60.91.92
227.101.202.57	Find precise map location of 227.101.202.57
60.3.193.255	Find precise map location of 60.3.193.255
110.251.27.131	Find precise map location of 110.251.27.131
96.47.211.18	Find precise map location of 96.47.211.18
7.82.76.57	Find precise map location of 7.82.76.57
79.82.200.100	Find precise map location of 79.82.200.100
156.234.7.108	Find precise map location of 156.234.7.108
252.204.163.176	Find precise map location of 252.204.163.176

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