89.166.57 is a class C of IPs

Sample IPs from the class C 89.166.57

89.166.57.5	View precise location of 89.166.57.5 on the map!
89.166.57.150	View precise location of 89.166.57.150 on the map!
89.166.57.96	View precise location of 89.166.57.96 on the map!
89.166.57.73	View precise location of 89.166.57.73 on the map!
89.166.57.35	View precise location of 89.166.57.35 on the map!
89.166.57.33	View precise location of 89.166.57.33 on the map!
89.166.57.172	View precise location of 89.166.57.172 on the map!
89.166.57.19	View precise location of 89.166.57.19 on the map!
89.166.57.145	View precise location of 89.166.57.145 on the map!
89.166.57.181	View precise location of 89.166.57.181 on the map!
89.166.57.221	View precise location of 89.166.57.221 on the map!

10 Random IPs

205.84.226.242	Find precise map location of 205.84.226.242
251.23.54.136	Find precise map location of 251.23.54.136
191.182.13.153	Find precise map location of 191.182.13.153
168.31.56.34	Find precise map location of 168.31.56.34
99.246.104.170	Find precise map location of 99.246.104.170
62.207.126.155	Find precise map location of 62.207.126.155
178.206.239.95	Find precise map location of 178.206.239.95
150.44.119.84	Find precise map location of 150.44.119.84
210.78.80.40	Find precise map location of 210.78.80.40
22.192.125.76	Find precise map location of 22.192.125.76
239.235.42.113	Find precise map location of 239.235.42.113

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