143.139.169 is a class C of IPs

Sample IPs from the class C 143.139.169

143.139.169.24	View precise location of 143.139.169.24 on the map!
143.139.169.35	View precise location of 143.139.169.35 on the map!
143.139.169.235	View precise location of 143.139.169.235 on the map!
143.139.169.81	View precise location of 143.139.169.81 on the map!
143.139.169.197	View precise location of 143.139.169.197 on the map!
143.139.169.40	View precise location of 143.139.169.40 on the map!
143.139.169.121	View precise location of 143.139.169.121 on the map!
143.139.169.223	View precise location of 143.139.169.223 on the map!
143.139.169.196	View precise location of 143.139.169.196 on the map!
143.139.169.2	View precise location of 143.139.169.2 on the map!
143.139.169.244	View precise location of 143.139.169.244 on the map!

10 Random IPs

5.33.235.21	Find precise map location of 5.33.235.21
55.96.160.96	Find precise map location of 55.96.160.96
196.72.11.152	Find precise map location of 196.72.11.152
75.108.159.233	Find precise map location of 75.108.159.233
52.108.32.99	Find precise map location of 52.108.32.99
163.171.42.152	Find precise map location of 163.171.42.152
162.105.89.116	Find precise map location of 162.105.89.116
138.117.21.161	Find precise map location of 138.117.21.161
61.17.128.65	Find precise map location of 61.17.128.65
213.182.87.169	Find precise map location of 213.182.87.169
116.88.82.183	Find precise map location of 116.88.82.183

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