83.51.147 is a class C of IPs

Sample IPs from the class C 83.51.147

83.51.147.128	View precise location of 83.51.147.128 on the map!
83.51.147.50	View precise location of 83.51.147.50 on the map!
83.51.147.123	View precise location of 83.51.147.123 on the map!
83.51.147.235	View precise location of 83.51.147.235 on the map!
83.51.147.170	View precise location of 83.51.147.170 on the map!
83.51.147.184	View precise location of 83.51.147.184 on the map!
83.51.147.200	View precise location of 83.51.147.200 on the map!
83.51.147.91	View precise location of 83.51.147.91 on the map!
83.51.147.46	View precise location of 83.51.147.46 on the map!
83.51.147.228	View precise location of 83.51.147.228 on the map!
83.51.147.152	View precise location of 83.51.147.152 on the map!

10 Random IPs

119.147.201.46	Find precise map location of 119.147.201.46
248.215.79.209	Find precise map location of 248.215.79.209
181.11.104.223	Find precise map location of 181.11.104.223
18.91.6.90	Find precise map location of 18.91.6.90
64.52.206.41	Find precise map location of 64.52.206.41
201.178.36.126	Find precise map location of 201.178.36.126
121.128.140.244	Find precise map location of 121.128.140.244
61.218.115.137	Find precise map location of 61.218.115.137
108.136.228.133	Find precise map location of 108.136.228.133
1.114.103.47	Find precise map location of 1.114.103.47
220.218.10.90	Find precise map location of 220.218.10.90

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