166.123.221 is a class C of IPs

Sample IPs from the class C 166.123.221

166.123.221.124	View precise location of 166.123.221.124 on the map!
166.123.221.184	View precise location of 166.123.221.184 on the map!
166.123.221.155	View precise location of 166.123.221.155 on the map!
166.123.221.176	View precise location of 166.123.221.176 on the map!
166.123.221.29	View precise location of 166.123.221.29 on the map!
166.123.221.70	View precise location of 166.123.221.70 on the map!
166.123.221.25	View precise location of 166.123.221.25 on the map!
166.123.221.77	View precise location of 166.123.221.77 on the map!
166.123.221.118	View precise location of 166.123.221.118 on the map!
166.123.221.179	View precise location of 166.123.221.179 on the map!
166.123.221.47	View precise location of 166.123.221.47 on the map!

10 Random IPs

150.49.218.82	Find precise map location of 150.49.218.82
191.92.81.227	Find precise map location of 191.92.81.227
175.140.81.209	Find precise map location of 175.140.81.209
62.35.116.70	Find precise map location of 62.35.116.70
59.167.132.103	Find precise map location of 59.167.132.103
197.129.184.7	Find precise map location of 197.129.184.7
218.173.207.215	Find precise map location of 218.173.207.215
161.189.34.47	Find precise map location of 161.189.34.47
196.203.33.26	Find precise map location of 196.203.33.26
47.191.13.232	Find precise map location of 47.191.13.232
163.121.36.145	Find precise map location of 163.121.36.145

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