21.39.115 is a class C of IPs

Sample IPs from the class C 21.39.115

21.39.115.158	View precise location of 21.39.115.158 on the map!
21.39.115.123	View precise location of 21.39.115.123 on the map!
21.39.115.148	View precise location of 21.39.115.148 on the map!
21.39.115.201	View precise location of 21.39.115.201 on the map!
21.39.115.35	View precise location of 21.39.115.35 on the map!
21.39.115.57	View precise location of 21.39.115.57 on the map!
21.39.115.87	View precise location of 21.39.115.87 on the map!
21.39.115.111	View precise location of 21.39.115.111 on the map!
21.39.115.22	View precise location of 21.39.115.22 on the map!
21.39.115.196	View precise location of 21.39.115.196 on the map!
21.39.115.171	View precise location of 21.39.115.171 on the map!

10 Random IPs

20.127.55.160	Find precise map location of 20.127.55.160
48.126.106.189	Find precise map location of 48.126.106.189
165.30.124.137	Find precise map location of 165.30.124.137
163.137.120.78	Find precise map location of 163.137.120.78
81.235.123.179	Find precise map location of 81.235.123.179
141.234.43.30	Find precise map location of 141.234.43.30
225.143.126.103	Find precise map location of 225.143.126.103
50.166.12.55	Find precise map location of 50.166.12.55
214.38.2.92	Find precise map location of 214.38.2.92
169.162.194.7	Find precise map location of 169.162.194.7
67.149.170.153	Find precise map location of 67.149.170.153

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