172.239.12 is a class C of IPs

Sample IPs from the class C 172.239.12

172.239.12.246	View precise location of 172.239.12.246 on the map!
172.239.12.208	View precise location of 172.239.12.208 on the map!
172.239.12.63	View precise location of 172.239.12.63 on the map!
172.239.12.74	View precise location of 172.239.12.74 on the map!
172.239.12.56	View precise location of 172.239.12.56 on the map!
172.239.12.129	View precise location of 172.239.12.129 on the map!
172.239.12.248	View precise location of 172.239.12.248 on the map!
172.239.12.76	View precise location of 172.239.12.76 on the map!
172.239.12.188	View precise location of 172.239.12.188 on the map!
172.239.12.239	View precise location of 172.239.12.239 on the map!
172.239.12.226	View precise location of 172.239.12.226 on the map!

10 Random IPs

54.43.170.111	Find precise map location of 54.43.170.111
233.19.41.224	Find precise map location of 233.19.41.224
231.154.11.136	Find precise map location of 231.154.11.136
160.181.192.19	Find precise map location of 160.181.192.19
244.99.52.127	Find precise map location of 244.99.52.127
183.231.101.222	Find precise map location of 183.231.101.222
132.43.189.47	Find precise map location of 132.43.189.47
235.32.245.210	Find precise map location of 235.32.245.210
132.44.221.22	Find precise map location of 132.44.221.22
21.103.177.131	Find precise map location of 21.103.177.131
72.196.127.160	Find precise map location of 72.196.127.160

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