143.189.87 is a class C of IPs

Sample IPs from the class C 143.189.87

143.189.87.21	View precise location of 143.189.87.21 on the map!
143.189.87.163	View precise location of 143.189.87.163 on the map!
143.189.87.229	View precise location of 143.189.87.229 on the map!
143.189.87.110	View precise location of 143.189.87.110 on the map!
143.189.87.20	View precise location of 143.189.87.20 on the map!
143.189.87.109	View precise location of 143.189.87.109 on the map!
143.189.87.46	View precise location of 143.189.87.46 on the map!
143.189.87.87	View precise location of 143.189.87.87 on the map!
143.189.87.210	View precise location of 143.189.87.210 on the map!
143.189.87.136	View precise location of 143.189.87.136 on the map!
143.189.87.51	View precise location of 143.189.87.51 on the map!

10 Random IPs

148.245.130.245	Find precise map location of 148.245.130.245
183.34.24.211	Find precise map location of 183.34.24.211
141.248.130.65	Find precise map location of 141.248.130.65
253.211.77.121	Find precise map location of 253.211.77.121
53.32.204.85	Find precise map location of 53.32.204.85
241.8.115.136	Find precise map location of 241.8.115.136
184.212.222.229	Find precise map location of 184.212.222.229
83.116.74.131	Find precise map location of 83.116.74.131
59.159.150.85	Find precise map location of 59.159.150.85
17.170.204.16	Find precise map location of 17.170.204.16
17.158.112.82	Find precise map location of 17.158.112.82

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