28.80.121 is a class C of IPs

Sample IPs from the class C 28.80.121

28.80.121.140	View precise location of 28.80.121.140 on the map!
28.80.121.41	View precise location of 28.80.121.41 on the map!
28.80.121.32	View precise location of 28.80.121.32 on the map!
28.80.121.72	View precise location of 28.80.121.72 on the map!
28.80.121.163	View precise location of 28.80.121.163 on the map!
28.80.121.139	View precise location of 28.80.121.139 on the map!
28.80.121.176	View precise location of 28.80.121.176 on the map!
28.80.121.103	View precise location of 28.80.121.103 on the map!
28.80.121.100	View precise location of 28.80.121.100 on the map!
28.80.121.50	View precise location of 28.80.121.50 on the map!
28.80.121.17	View precise location of 28.80.121.17 on the map!

10 Random IPs

94.150.26.50	Find precise map location of 94.150.26.50
78.62.158.208	Find precise map location of 78.62.158.208
14.75.246.61	Find precise map location of 14.75.246.61
219.23.158.146	Find precise map location of 219.23.158.146
169.172.126.87	Find precise map location of 169.172.126.87
122.139.93.126	Find precise map location of 122.139.93.126
132.169.13.83	Find precise map location of 132.169.13.83
165.243.110.19	Find precise map location of 165.243.110.19
69.143.35.21	Find precise map location of 69.143.35.21
60.24.42.218	Find precise map location of 60.24.42.218
18.90.131.146	Find precise map location of 18.90.131.146

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