215.28.138 is a class C of IPs

Sample IPs from the class C 215.28.138

215.28.138.205	View precise location of 215.28.138.205 on the map!
215.28.138.240	View precise location of 215.28.138.240 on the map!
215.28.138.109	View precise location of 215.28.138.109 on the map!
215.28.138.41	View precise location of 215.28.138.41 on the map!
215.28.138.58	View precise location of 215.28.138.58 on the map!
215.28.138.151	View precise location of 215.28.138.151 on the map!
215.28.138.34	View precise location of 215.28.138.34 on the map!
215.28.138.23	View precise location of 215.28.138.23 on the map!
215.28.138.179	View precise location of 215.28.138.179 on the map!
215.28.138.131	View precise location of 215.28.138.131 on the map!
215.28.138.22	View precise location of 215.28.138.22 on the map!

10 Random IPs

146.113.216.159	Find precise map location of 146.113.216.159
109.73.58.41	Find precise map location of 109.73.58.41
191.241.94.224	Find precise map location of 191.241.94.224
190.186.24.193	Find precise map location of 190.186.24.193
140.188.127.247	Find precise map location of 140.188.127.247
100.215.199.9	Find precise map location of 100.215.199.9
247.219.211.59	Find precise map location of 247.219.211.59
21.131.179.224	Find precise map location of 21.131.179.224
202.105.250.149	Find precise map location of 202.105.250.149
239.76.87.59	Find precise map location of 239.76.87.59
99.159.22.165	Find precise map location of 99.159.22.165

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