236.57.66 is a class C of IPs

Sample IPs from the class C 236.57.66

236.57.66.11	View precise location of 236.57.66.11 on the map!
236.57.66.244	View precise location of 236.57.66.244 on the map!
236.57.66.238	View precise location of 236.57.66.238 on the map!
236.57.66.239	View precise location of 236.57.66.239 on the map!
236.57.66.144	View precise location of 236.57.66.144 on the map!
236.57.66.185	View precise location of 236.57.66.185 on the map!
236.57.66.78	View precise location of 236.57.66.78 on the map!
236.57.66.166	View precise location of 236.57.66.166 on the map!
236.57.66.173	View precise location of 236.57.66.173 on the map!
236.57.66.93	View precise location of 236.57.66.93 on the map!
236.57.66.8	View precise location of 236.57.66.8 on the map!

10 Random IPs

107.115.86.1	Find precise map location of 107.115.86.1
59.159.115.53	Find precise map location of 59.159.115.53
194.72.54.91	Find precise map location of 194.72.54.91
73.206.28.243	Find precise map location of 73.206.28.243
14.80.185.9	Find precise map location of 14.80.185.9
154.119.28.112	Find precise map location of 154.119.28.112
242.228.192.95	Find precise map location of 242.228.192.95
208.191.54.101	Find precise map location of 208.191.54.101
18.61.39.58	Find precise map location of 18.61.39.58
75.61.33.123	Find precise map location of 75.61.33.123
162.19.132.187	Find precise map location of 162.19.132.187

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