28.71.111 is a class C of IPs

Sample IPs from the class C 28.71.111

28.71.111.45	View precise location of 28.71.111.45 on the map!
28.71.111.77	View precise location of 28.71.111.77 on the map!
28.71.111.97	View precise location of 28.71.111.97 on the map!
28.71.111.113	View precise location of 28.71.111.113 on the map!
28.71.111.225	View precise location of 28.71.111.225 on the map!
28.71.111.33	View precise location of 28.71.111.33 on the map!
28.71.111.253	View precise location of 28.71.111.253 on the map!
28.71.111.89	View precise location of 28.71.111.89 on the map!
28.71.111.157	View precise location of 28.71.111.157 on the map!
28.71.111.238	View precise location of 28.71.111.238 on the map!
28.71.111.129	View precise location of 28.71.111.129 on the map!

10 Random IPs

169.151.201.239	Find precise map location of 169.151.201.239
86.212.72.49	Find precise map location of 86.212.72.49
139.52.226.172	Find precise map location of 139.52.226.172
251.212.240.226	Find precise map location of 251.212.240.226
34.17.213.179	Find precise map location of 34.17.213.179
185.133.14.252	Find precise map location of 185.133.14.252
90.96.243.5	Find precise map location of 90.96.243.5
170.48.64.217	Find precise map location of 170.48.64.217
131.9.145.237	Find precise map location of 131.9.145.237
43.64.17.102	Find precise map location of 43.64.17.102
236.32.7.2	Find precise map location of 236.32.7.2

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