144.213.87 is a class C of IPs

Sample IPs from the class C 144.213.87

144.213.87.246	View precise location of 144.213.87.246 on the map!
144.213.87.72	View precise location of 144.213.87.72 on the map!
144.213.87.86	View precise location of 144.213.87.86 on the map!
144.213.87.52	View precise location of 144.213.87.52 on the map!
144.213.87.120	View precise location of 144.213.87.120 on the map!
144.213.87.15	View precise location of 144.213.87.15 on the map!
144.213.87.134	View precise location of 144.213.87.134 on the map!
144.213.87.73	View precise location of 144.213.87.73 on the map!
144.213.87.232	View precise location of 144.213.87.232 on the map!
144.213.87.38	View precise location of 144.213.87.38 on the map!
144.213.87.236	View precise location of 144.213.87.236 on the map!

10 Random IPs

121.57.36.119	Find precise map location of 121.57.36.119
207.225.188.38	Find precise map location of 207.225.188.38
33.138.88.39	Find precise map location of 33.138.88.39
221.255.22.199	Find precise map location of 221.255.22.199
217.199.167.56	Find precise map location of 217.199.167.56
53.29.246.192	Find precise map location of 53.29.246.192
71.60.211.22	Find precise map location of 71.60.211.22
197.35.87.226	Find precise map location of 197.35.87.226
212.207.77.94	Find precise map location of 212.207.77.94
235.233.231.5	Find precise map location of 235.233.231.5
73.233.66.25	Find precise map location of 73.233.66.25

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