83.66.8 is a class C of IPs

Sample IPs from the class C 83.66.8

83.66.8.80	View precise location of 83.66.8.80 on the map!
83.66.8.32	View precise location of 83.66.8.32 on the map!
83.66.8.111	View precise location of 83.66.8.111 on the map!
83.66.8.152	View precise location of 83.66.8.152 on the map!
83.66.8.5	View precise location of 83.66.8.5 on the map!
83.66.8.198	View precise location of 83.66.8.198 on the map!
83.66.8.140	View precise location of 83.66.8.140 on the map!
83.66.8.157	View precise location of 83.66.8.157 on the map!
83.66.8.149	View precise location of 83.66.8.149 on the map!
83.66.8.77	View precise location of 83.66.8.77 on the map!
83.66.8.162	View precise location of 83.66.8.162 on the map!

10 Random IPs

51.108.30.173	Find precise map location of 51.108.30.173
121.126.99.93	Find precise map location of 121.126.99.93
124.241.103.121	Find precise map location of 124.241.103.121
155.29.18.135	Find precise map location of 155.29.18.135
50.166.8.20	Find precise map location of 50.166.8.20
228.104.42.134	Find precise map location of 228.104.42.134
4.191.210.246	Find precise map location of 4.191.210.246
230.2.38.84	Find precise map location of 230.2.38.84
164.127.75.213	Find precise map location of 164.127.75.213
196.64.116.164	Find precise map location of 196.64.116.164
241.226.150.150	Find precise map location of 241.226.150.150

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