28.238.4 is a class C of IPs

Sample IPs from the class C 28.238.4

28.238.4.107	View precise location of 28.238.4.107 on the map!
28.238.4.64	View precise location of 28.238.4.64 on the map!
28.238.4.76	View precise location of 28.238.4.76 on the map!
28.238.4.230	View precise location of 28.238.4.230 on the map!
28.238.4.43	View precise location of 28.238.4.43 on the map!
28.238.4.116	View precise location of 28.238.4.116 on the map!
28.238.4.221	View precise location of 28.238.4.221 on the map!
28.238.4.213	View precise location of 28.238.4.213 on the map!
28.238.4.207	View precise location of 28.238.4.207 on the map!
28.238.4.13	View precise location of 28.238.4.13 on the map!
28.238.4.78	View precise location of 28.238.4.78 on the map!

10 Random IPs

200.158.28.228	Find precise map location of 200.158.28.228
215.235.234.75	Find precise map location of 215.235.234.75
76.17.149.68	Find precise map location of 76.17.149.68
43.255.90.86	Find precise map location of 43.255.90.86
229.85.182.143	Find precise map location of 229.85.182.143
205.7.247.195	Find precise map location of 205.7.247.195
76.7.195.7	Find precise map location of 76.7.195.7
242.42.208.215	Find precise map location of 242.42.208.215
135.173.38.2	Find precise map location of 135.173.38.2
70.236.176.122	Find precise map location of 70.236.176.122
74.96.240.212	Find precise map location of 74.96.240.212

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