144.139.219 is a class C of IPs

Sample IPs from the class C 144.139.219

144.139.219.48	View precise location of 144.139.219.48 on the map!
144.139.219.92	View precise location of 144.139.219.92 on the map!
144.139.219.95	View precise location of 144.139.219.95 on the map!
144.139.219.187	View precise location of 144.139.219.187 on the map!
144.139.219.230	View precise location of 144.139.219.230 on the map!
144.139.219.182	View precise location of 144.139.219.182 on the map!
144.139.219.205	View precise location of 144.139.219.205 on the map!
144.139.219.201	View precise location of 144.139.219.201 on the map!
144.139.219.131	View precise location of 144.139.219.131 on the map!
144.139.219.255	View precise location of 144.139.219.255 on the map!
144.139.219.214	View precise location of 144.139.219.214 on the map!

10 Random IPs

219.82.253.244	Find precise map location of 219.82.253.244
58.169.63.183	Find precise map location of 58.169.63.183
185.196.50.146	Find precise map location of 185.196.50.146
178.211.5.124	Find precise map location of 178.211.5.124
90.16.177.240	Find precise map location of 90.16.177.240
239.18.89.10	Find precise map location of 239.18.89.10
225.1.190.143	Find precise map location of 225.1.190.143
12.71.13.198	Find precise map location of 12.71.13.198
83.134.231.185	Find precise map location of 83.134.231.185
2.16.45.35	Find precise map location of 2.16.45.35
224.186.63.164	Find precise map location of 224.186.63.164

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