228.48.77 is a class C of IPs

Sample IPs from the class C 228.48.77

228.48.77.227	View precise location of 228.48.77.227 on the map!
228.48.77.94	View precise location of 228.48.77.94 on the map!
228.48.77.210	View precise location of 228.48.77.210 on the map!
228.48.77.174	View precise location of 228.48.77.174 on the map!
228.48.77.63	View precise location of 228.48.77.63 on the map!
228.48.77.65	View precise location of 228.48.77.65 on the map!
228.48.77.245	View precise location of 228.48.77.245 on the map!
228.48.77.164	View precise location of 228.48.77.164 on the map!
228.48.77.99	View precise location of 228.48.77.99 on the map!
228.48.77.114	View precise location of 228.48.77.114 on the map!
228.48.77.70	View precise location of 228.48.77.70 on the map!

10 Random IPs

197.192.7.221	Find precise map location of 197.192.7.221
16.174.223.101	Find precise map location of 16.174.223.101
185.45.138.188	Find precise map location of 185.45.138.188
199.17.133.32	Find precise map location of 199.17.133.32
84.15.214.214	Find precise map location of 84.15.214.214
123.93.37.222	Find precise map location of 123.93.37.222
200.20.158.47	Find precise map location of 200.20.158.47
179.176.244.138	Find precise map location of 179.176.244.138
237.205.108.59	Find precise map location of 237.205.108.59
75.32.238.80	Find precise map location of 75.32.238.80
17.88.42.5	Find precise map location of 17.88.42.5

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