166.255.172 is a class C of IPs

Sample IPs from the class C 166.255.172

166.255.172.9	View precise location of 166.255.172.9 on the map!
166.255.172.110	View precise location of 166.255.172.110 on the map!
166.255.172.83	View precise location of 166.255.172.83 on the map!
166.255.172.77	View precise location of 166.255.172.77 on the map!
166.255.172.153	View precise location of 166.255.172.153 on the map!
166.255.172.158	View precise location of 166.255.172.158 on the map!
166.255.172.128	View precise location of 166.255.172.128 on the map!
166.255.172.77	View precise location of 166.255.172.77 on the map!
166.255.172.31	View precise location of 166.255.172.31 on the map!
166.255.172.15	View precise location of 166.255.172.15 on the map!
166.255.172.127	View precise location of 166.255.172.127 on the map!

10 Random IPs

182.187.228.155	Find precise map location of 182.187.228.155
164.36.147.14	Find precise map location of 164.36.147.14
50.14.223.39	Find precise map location of 50.14.223.39
45.102.107.93	Find precise map location of 45.102.107.93
12.174.230.128	Find precise map location of 12.174.230.128
252.169.139.197	Find precise map location of 252.169.139.197
100.27.129.236	Find precise map location of 100.27.129.236
77.73.75.34	Find precise map location of 77.73.75.34
183.86.212.127	Find precise map location of 183.86.212.127
47.205.114.133	Find precise map location of 47.205.114.133
126.62.254.127	Find precise map location of 126.62.254.127

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