228.4.57 is a class C of IPs

Sample IPs from the class C 228.4.57

228.4.57.45	View precise location of 228.4.57.45 on the map!
228.4.57.97	View precise location of 228.4.57.97 on the map!
228.4.57.81	View precise location of 228.4.57.81 on the map!
228.4.57.122	View precise location of 228.4.57.122 on the map!
228.4.57.220	View precise location of 228.4.57.220 on the map!
228.4.57.104	View precise location of 228.4.57.104 on the map!
228.4.57.74	View precise location of 228.4.57.74 on the map!
228.4.57.196	View precise location of 228.4.57.196 on the map!
228.4.57.224	View precise location of 228.4.57.224 on the map!
228.4.57.7	View precise location of 228.4.57.7 on the map!
228.4.57.166	View precise location of 228.4.57.166 on the map!

10 Random IPs

122.197.81.89	Find precise map location of 122.197.81.89
137.223.38.26	Find precise map location of 137.223.38.26
234.188.236.182	Find precise map location of 234.188.236.182
134.10.80.159	Find precise map location of 134.10.80.159
81.198.149.132	Find precise map location of 81.198.149.132
45.249.187.188	Find precise map location of 45.249.187.188
191.134.139.212	Find precise map location of 191.134.139.212
139.104.1.22	Find precise map location of 139.104.1.22
177.75.110.161	Find precise map location of 177.75.110.161
137.182.100.111	Find precise map location of 137.182.100.111
45.159.79.177	Find precise map location of 45.159.79.177

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