115.231.20 is a class C of IPs

Sample IPs from the class C 115.231.20

115.231.20.101	View precise location of 115.231.20.101 on the map!
115.231.20.36	View precise location of 115.231.20.36 on the map!
115.231.20.27	View precise location of 115.231.20.27 on the map!
115.231.20.59	View precise location of 115.231.20.59 on the map!
115.231.20.62	View precise location of 115.231.20.62 on the map!
115.231.20.50	View precise location of 115.231.20.50 on the map!
115.231.20.15	View precise location of 115.231.20.15 on the map!
115.231.20.77	View precise location of 115.231.20.77 on the map!
115.231.20.206	View precise location of 115.231.20.206 on the map!
115.231.20.59	View precise location of 115.231.20.59 on the map!
115.231.20.52	View precise location of 115.231.20.52 on the map!

10 Random IPs

81.76.174.79	Find precise map location of 81.76.174.79
135.71.71.20	Find precise map location of 135.71.71.20
31.149.224.187	Find precise map location of 31.149.224.187
127.104.183.160	Find precise map location of 127.104.183.160
72.95.203.213	Find precise map location of 72.95.203.213
226.117.33.71	Find precise map location of 226.117.33.71
198.170.189.81	Find precise map location of 198.170.189.81
219.209.193.108	Find precise map location of 219.209.193.108
75.51.100.72	Find precise map location of 75.51.100.72
251.206.5.4	Find precise map location of 251.206.5.4
154.107.143.19	Find precise map location of 154.107.143.19

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