117.31.16 is a class C of IPs

Sample IPs from the class C 117.31.16

117.31.16.6	View precise location of 117.31.16.6 on the map!
117.31.16.217	View precise location of 117.31.16.217 on the map!
117.31.16.199	View precise location of 117.31.16.199 on the map!
117.31.16.152	View precise location of 117.31.16.152 on the map!
117.31.16.185	View precise location of 117.31.16.185 on the map!
117.31.16.227	View precise location of 117.31.16.227 on the map!
117.31.16.4	View precise location of 117.31.16.4 on the map!
117.31.16.7	View precise location of 117.31.16.7 on the map!
117.31.16.222	View precise location of 117.31.16.222 on the map!
117.31.16.32	View precise location of 117.31.16.32 on the map!
117.31.16.145	View precise location of 117.31.16.145 on the map!

10 Random IPs

62.23.233.67	Find precise map location of 62.23.233.67
71.196.153.32	Find precise map location of 71.196.153.32
221.35.250.191	Find precise map location of 221.35.250.191
199.100.93.244	Find precise map location of 199.100.93.244
74.65.4.187	Find precise map location of 74.65.4.187
114.228.114.97	Find precise map location of 114.228.114.97
84.185.88.217	Find precise map location of 84.185.88.217
216.18.178.81	Find precise map location of 216.18.178.81
156.176.151.42	Find precise map location of 156.176.151.42
52.223.83.58	Find precise map location of 52.223.83.58
193.225.192.114	Find precise map location of 193.225.192.114

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