13.231.83 is a class C of IPs

Sample IPs from the class C 13.231.83

13.231.83.158	View precise location of 13.231.83.158 on the map!
13.231.83.231	View precise location of 13.231.83.231 on the map!
13.231.83.116	View precise location of 13.231.83.116 on the map!
13.231.83.162	View precise location of 13.231.83.162 on the map!
13.231.83.189	View precise location of 13.231.83.189 on the map!
13.231.83.84	View precise location of 13.231.83.84 on the map!
13.231.83.247	View precise location of 13.231.83.247 on the map!
13.231.83.110	View precise location of 13.231.83.110 on the map!
13.231.83.71	View precise location of 13.231.83.71 on the map!
13.231.83.128	View precise location of 13.231.83.128 on the map!
13.231.83.81	View precise location of 13.231.83.81 on the map!

10 Random IPs

72.184.199.111	Find precise map location of 72.184.199.111
35.185.82.241	Find precise map location of 35.185.82.241
88.26.110.4	Find precise map location of 88.26.110.4
185.72.45.3	Find precise map location of 185.72.45.3
139.109.60.89	Find precise map location of 139.109.60.89
53.148.94.14	Find precise map location of 53.148.94.14
159.204.77.21	Find precise map location of 159.204.77.21
248.162.163.237	Find precise map location of 248.162.163.237
60.105.8.46	Find precise map location of 60.105.8.46
80.43.176.209	Find precise map location of 80.43.176.209
125.112.7.116	Find precise map location of 125.112.7.116

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