28.57.39 is a class C of IPs

Sample IPs from the class C 28.57.39

28.57.39.244	View precise location of 28.57.39.244 on the map!
28.57.39.88	View precise location of 28.57.39.88 on the map!
28.57.39.232	View precise location of 28.57.39.232 on the map!
28.57.39.80	View precise location of 28.57.39.80 on the map!
28.57.39.156	View precise location of 28.57.39.156 on the map!
28.57.39.15	View precise location of 28.57.39.15 on the map!
28.57.39.167	View precise location of 28.57.39.167 on the map!
28.57.39.63	View precise location of 28.57.39.63 on the map!
28.57.39.171	View precise location of 28.57.39.171 on the map!
28.57.39.225	View precise location of 28.57.39.225 on the map!
28.57.39.62	View precise location of 28.57.39.62 on the map!

10 Random IPs

56.60.28.228	Find precise map location of 56.60.28.228
66.191.34.227	Find precise map location of 66.191.34.227
244.98.142.187	Find precise map location of 244.98.142.187
239.77.247.173	Find precise map location of 239.77.247.173
190.76.176.134	Find precise map location of 190.76.176.134
219.102.234.94	Find precise map location of 219.102.234.94
23.30.13.180	Find precise map location of 23.30.13.180
217.240.120.217	Find precise map location of 217.240.120.217
138.157.212.124	Find precise map location of 138.157.212.124
4.246.38.114	Find precise map location of 4.246.38.114
55.82.5.250	Find precise map location of 55.82.5.250

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