159.66.142 is a class C of IPs

Sample IPs from the class C 159.66.142

159.66.142.50	View precise location of 159.66.142.50 on the map!
159.66.142.46	View precise location of 159.66.142.46 on the map!
159.66.142.64	View precise location of 159.66.142.64 on the map!
159.66.142.203	View precise location of 159.66.142.203 on the map!
159.66.142.162	View precise location of 159.66.142.162 on the map!
159.66.142.184	View precise location of 159.66.142.184 on the map!
159.66.142.253	View precise location of 159.66.142.253 on the map!
159.66.142.32	View precise location of 159.66.142.32 on the map!
159.66.142.95	View precise location of 159.66.142.95 on the map!
159.66.142.221	View precise location of 159.66.142.221 on the map!
159.66.142.170	View precise location of 159.66.142.170 on the map!

10 Random IPs

3.142.86.187	Find precise map location of 3.142.86.187
6.229.193.16	Find precise map location of 6.229.193.16
218.150.20.157	Find precise map location of 218.150.20.157
104.175.52.200	Find precise map location of 104.175.52.200
200.228.100.249	Find precise map location of 200.228.100.249
168.22.139.5	Find precise map location of 168.22.139.5
156.41.21.154	Find precise map location of 156.41.21.154
198.151.70.72	Find precise map location of 198.151.70.72
105.41.20.174	Find precise map location of 105.41.20.174
236.246.58.187	Find precise map location of 236.246.58.187
23.167.17.84	Find precise map location of 23.167.17.84

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