216.143.4 is a class C of IPs

Sample IPs from the class C 216.143.4

216.143.4.35	View precise location of 216.143.4.35 on the map!
216.143.4.69	View precise location of 216.143.4.69 on the map!
216.143.4.157	View precise location of 216.143.4.157 on the map!
216.143.4.231	View precise location of 216.143.4.231 on the map!
216.143.4.75	View precise location of 216.143.4.75 on the map!
216.143.4.60	View precise location of 216.143.4.60 on the map!
216.143.4.237	View precise location of 216.143.4.237 on the map!
216.143.4.135	View precise location of 216.143.4.135 on the map!
216.143.4.87	View precise location of 216.143.4.87 on the map!
216.143.4.49	View precise location of 216.143.4.49 on the map!
216.143.4.156	View precise location of 216.143.4.156 on the map!

10 Random IPs

201.36.194.85	Find precise map location of 201.36.194.85
91.109.124.131	Find precise map location of 91.109.124.131
163.209.8.2	Find precise map location of 163.209.8.2
59.241.169.59	Find precise map location of 59.241.169.59
128.212.82.182	Find precise map location of 128.212.82.182
21.101.149.116	Find precise map location of 21.101.149.116
236.254.179.177	Find precise map location of 236.254.179.177
102.220.144.245	Find precise map location of 102.220.144.245
180.229.250.246	Find precise map location of 180.229.250.246
119.212.185.195	Find precise map location of 119.212.185.195
179.112.88.197	Find precise map location of 179.112.88.197

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