228.21.245 is a class C of IPs

Sample IPs from the class C 228.21.245

228.21.245.89	View precise location of 228.21.245.89 on the map!
228.21.245.248	View precise location of 228.21.245.248 on the map!
228.21.245.221	View precise location of 228.21.245.221 on the map!
228.21.245.93	View precise location of 228.21.245.93 on the map!
228.21.245.172	View precise location of 228.21.245.172 on the map!
228.21.245.4	View precise location of 228.21.245.4 on the map!
228.21.245.250	View precise location of 228.21.245.250 on the map!
228.21.245.240	View precise location of 228.21.245.240 on the map!
228.21.245.184	View precise location of 228.21.245.184 on the map!
228.21.245.31	View precise location of 228.21.245.31 on the map!
228.21.245.113	View precise location of 228.21.245.113 on the map!

10 Random IPs

177.22.27.185	Find precise map location of 177.22.27.185
34.50.225.177	Find precise map location of 34.50.225.177
152.59.181.81	Find precise map location of 152.59.181.81
80.236.47.211	Find precise map location of 80.236.47.211
205.153.151.157	Find precise map location of 205.153.151.157
220.106.248.217	Find precise map location of 220.106.248.217
207.199.226.197	Find precise map location of 207.199.226.197
185.101.167.223	Find precise map location of 185.101.167.223
58.146.155.192	Find precise map location of 58.146.155.192
42.71.137.10	Find precise map location of 42.71.137.10
155.197.171.153	Find precise map location of 155.197.171.153

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