104.142.143 is a class C of IPs

Sample IPs from the class C 104.142.143

104.142.143.231	View precise location of 104.142.143.231 on the map!
104.142.143.53	View precise location of 104.142.143.53 on the map!
104.142.143.65	View precise location of 104.142.143.65 on the map!
104.142.143.171	View precise location of 104.142.143.171 on the map!
104.142.143.41	View precise location of 104.142.143.41 on the map!
104.142.143.50	View precise location of 104.142.143.50 on the map!
104.142.143.116	View precise location of 104.142.143.116 on the map!
104.142.143.243	View precise location of 104.142.143.243 on the map!
104.142.143.57	View precise location of 104.142.143.57 on the map!
104.142.143.134	View precise location of 104.142.143.134 on the map!
104.142.143.171	View precise location of 104.142.143.171 on the map!

10 Random IPs

39.76.199.29	Find precise map location of 39.76.199.29
203.252.164.170	Find precise map location of 203.252.164.170
6.158.31.121	Find precise map location of 6.158.31.121
191.59.63.200	Find precise map location of 191.59.63.200
80.215.28.197	Find precise map location of 80.215.28.197
194.243.99.142	Find precise map location of 194.243.99.142
85.55.255.115	Find precise map location of 85.55.255.115
246.87.110.79	Find precise map location of 246.87.110.79
132.39.130.44	Find precise map location of 132.39.130.44
43.28.67.112	Find precise map location of 43.28.67.112
97.203.84.210	Find precise map location of 97.203.84.210

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