83.237.91 is a class C of IPs

Sample IPs from the class C 83.237.91

83.237.91.152	View precise location of 83.237.91.152 on the map!
83.237.91.221	View precise location of 83.237.91.221 on the map!
83.237.91.35	View precise location of 83.237.91.35 on the map!
83.237.91.193	View precise location of 83.237.91.193 on the map!
83.237.91.125	View precise location of 83.237.91.125 on the map!
83.237.91.3	View precise location of 83.237.91.3 on the map!
83.237.91.6	View precise location of 83.237.91.6 on the map!
83.237.91.72	View precise location of 83.237.91.72 on the map!
83.237.91.26	View precise location of 83.237.91.26 on the map!
83.237.91.103	View precise location of 83.237.91.103 on the map!
83.237.91.225	View precise location of 83.237.91.225 on the map!

10 Random IPs

16.82.190.70	Find precise map location of 16.82.190.70
166.74.163.240	Find precise map location of 166.74.163.240
124.229.178.40	Find precise map location of 124.229.178.40
82.36.166.25	Find precise map location of 82.36.166.25
53.69.186.169	Find precise map location of 53.69.186.169
197.73.224.155	Find precise map location of 197.73.224.155
231.43.123.7	Find precise map location of 231.43.123.7
50.14.50.217	Find precise map location of 50.14.50.217
176.193.78.169	Find precise map location of 176.193.78.169
97.168.31.204	Find precise map location of 97.168.31.204
66.24.241.134	Find precise map location of 66.24.241.134

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