139.42.212 is a class C of IPs

Sample IPs from the class C 139.42.212

139.42.212.140	View precise location of 139.42.212.140 on the map!
139.42.212.4	View precise location of 139.42.212.4 on the map!
139.42.212.218	View precise location of 139.42.212.218 on the map!
139.42.212.215	View precise location of 139.42.212.215 on the map!
139.42.212.190	View precise location of 139.42.212.190 on the map!
139.42.212.246	View precise location of 139.42.212.246 on the map!
139.42.212.107	View precise location of 139.42.212.107 on the map!
139.42.212.204	View precise location of 139.42.212.204 on the map!
139.42.212.93	View precise location of 139.42.212.93 on the map!
139.42.212.139	View precise location of 139.42.212.139 on the map!
139.42.212.227	View precise location of 139.42.212.227 on the map!

10 Random IPs

112.188.116.120	Find precise map location of 112.188.116.120
222.199.18.173	Find precise map location of 222.199.18.173
234.18.171.136	Find precise map location of 234.18.171.136
116.189.240.78	Find precise map location of 116.189.240.78
88.21.77.33	Find precise map location of 88.21.77.33
133.184.184.160	Find precise map location of 133.184.184.160
14.11.194.83	Find precise map location of 14.11.194.83
100.53.36.81	Find precise map location of 100.53.36.81
53.78.118.138	Find precise map location of 53.78.118.138
160.192.216.167	Find precise map location of 160.192.216.167
43.139.175.2	Find precise map location of 43.139.175.2

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