28.23.142 is a class C of IPs

Sample IPs from the class C 28.23.142

28.23.142.29	View precise location of 28.23.142.29 on the map!
28.23.142.7	View precise location of 28.23.142.7 on the map!
28.23.142.107	View precise location of 28.23.142.107 on the map!
28.23.142.111	View precise location of 28.23.142.111 on the map!
28.23.142.175	View precise location of 28.23.142.175 on the map!
28.23.142.31	View precise location of 28.23.142.31 on the map!
28.23.142.119	View precise location of 28.23.142.119 on the map!
28.23.142.82	View precise location of 28.23.142.82 on the map!
28.23.142.248	View precise location of 28.23.142.248 on the map!
28.23.142.96	View precise location of 28.23.142.96 on the map!
28.23.142.73	View precise location of 28.23.142.73 on the map!

10 Random IPs

63.116.95.228	Find precise map location of 63.116.95.228
122.133.249.237	Find precise map location of 122.133.249.237
38.205.96.240	Find precise map location of 38.205.96.240
4.13.44.33	Find precise map location of 4.13.44.33
121.39.76.246	Find precise map location of 121.39.76.246
217.127.174.55	Find precise map location of 217.127.174.55
71.186.93.148	Find precise map location of 71.186.93.148
121.219.11.90	Find precise map location of 121.219.11.90
155.5.80.241	Find precise map location of 155.5.80.241
164.231.85.162	Find precise map location of 164.231.85.162
142.228.217.134	Find precise map location of 142.228.217.134

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