28 is a class A of IPs

Sample IPs from the class A 28

28.13.73.139	View precise location of 28.13.73.139 on the map!
28.25.80.56	View precise location of 28.25.80.56 on the map!
28.83.27.78	View precise location of 28.83.27.78 on the map!
28.49.104.136	View precise location of 28.49.104.136 on the map!
28.64.158.56	View precise location of 28.64.158.56 on the map!
28.129.126.54	View precise location of 28.129.126.54 on the map!
28.136.234.73	View precise location of 28.136.234.73 on the map!
28.240.24.176	View precise location of 28.240.24.176 on the map!
28.167.130.186	View precise location of 28.167.130.186 on the map!
28.97.126.101	View precise location of 28.97.126.101 on the map!
28.167.127.105	View precise location of 28.167.127.105 on the map!

10 Random IPs

131.93.30.157	Find precise map location of 131.93.30.157
150.189.155.234	Find precise map location of 150.189.155.234
106.168.1.76	Find precise map location of 106.168.1.76
67.168.165.81	Find precise map location of 67.168.165.81
181.169.245.242	Find precise map location of 181.169.245.242
181.113.89.233	Find precise map location of 181.113.89.233
39.98.197.77	Find precise map location of 39.98.197.77
40.221.103.54	Find precise map location of 40.221.103.54
64.52.90.228	Find precise map location of 64.52.90.228
139.242.113.197	Find precise map location of 139.242.113.197
37.33.112.4	Find precise map location of 37.33.112.4

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