144.212.137 is a class C of IPs

Sample IPs from the class C 144.212.137

144.212.137.205	View precise location of 144.212.137.205 on the map!
144.212.137.55	View precise location of 144.212.137.55 on the map!
144.212.137.59	View precise location of 144.212.137.59 on the map!
144.212.137.229	View precise location of 144.212.137.229 on the map!
144.212.137.210	View precise location of 144.212.137.210 on the map!
144.212.137.25	View precise location of 144.212.137.25 on the map!
144.212.137.86	View precise location of 144.212.137.86 on the map!
144.212.137.211	View precise location of 144.212.137.211 on the map!
144.212.137.129	View precise location of 144.212.137.129 on the map!
144.212.137.190	View precise location of 144.212.137.190 on the map!
144.212.137.37	View precise location of 144.212.137.37 on the map!

10 Random IPs

122.79.175.137	Find precise map location of 122.79.175.137
90.245.47.11	Find precise map location of 90.245.47.11
139.76.70.217	Find precise map location of 139.76.70.217
112.195.71.97	Find precise map location of 112.195.71.97
104.77.233.179	Find precise map location of 104.77.233.179
211.238.1.104	Find precise map location of 211.238.1.104
25.98.122.104	Find precise map location of 25.98.122.104
54.185.83.133	Find precise map location of 54.185.83.133
162.48.127.158	Find precise map location of 162.48.127.158
222.214.64.229	Find precise map location of 222.214.64.229
60.53.115.42	Find precise map location of 60.53.115.42

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