161.216.31 is a class C of IPs

Sample IPs from the class C 161.216.31

161.216.31.182	View precise location of 161.216.31.182 on the map!
161.216.31.171	View precise location of 161.216.31.171 on the map!
161.216.31.120	View precise location of 161.216.31.120 on the map!
161.216.31.27	View precise location of 161.216.31.27 on the map!
161.216.31.79	View precise location of 161.216.31.79 on the map!
161.216.31.247	View precise location of 161.216.31.247 on the map!
161.216.31.69	View precise location of 161.216.31.69 on the map!
161.216.31.244	View precise location of 161.216.31.244 on the map!
161.216.31.172	View precise location of 161.216.31.172 on the map!
161.216.31.243	View precise location of 161.216.31.243 on the map!
161.216.31.220	View precise location of 161.216.31.220 on the map!

10 Random IPs

143.178.253.217	Find precise map location of 143.178.253.217
155.148.109.76	Find precise map location of 155.148.109.76
219.136.213.196	Find precise map location of 219.136.213.196
28.163.23.222	Find precise map location of 28.163.23.222
101.100.233.208	Find precise map location of 101.100.233.208
56.52.139.175	Find precise map location of 56.52.139.175
166.174.51.147	Find precise map location of 166.174.51.147
76.96.61.140	Find precise map location of 76.96.61.140
77.73.85.219	Find precise map location of 77.73.85.219
21.88.145.72	Find precise map location of 21.88.145.72
196.190.145.130	Find precise map location of 196.190.145.130

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