174.66.138 is a class C of IPs

Sample IPs from the class C 174.66.138

174.66.138.8	View precise location of 174.66.138.8 on the map!
174.66.138.155	View precise location of 174.66.138.155 on the map!
174.66.138.71	View precise location of 174.66.138.71 on the map!
174.66.138.215	View precise location of 174.66.138.215 on the map!
174.66.138.109	View precise location of 174.66.138.109 on the map!
174.66.138.146	View precise location of 174.66.138.146 on the map!
174.66.138.96	View precise location of 174.66.138.96 on the map!
174.66.138.96	View precise location of 174.66.138.96 on the map!
174.66.138.221	View precise location of 174.66.138.221 on the map!
174.66.138.100	View precise location of 174.66.138.100 on the map!
174.66.138.146	View precise location of 174.66.138.146 on the map!

10 Random IPs

68.106.229.30	Find precise map location of 68.106.229.30
148.6.114.33	Find precise map location of 148.6.114.33
87.139.162.22	Find precise map location of 87.139.162.22
195.8.179.170	Find precise map location of 195.8.179.170
146.161.205.133	Find precise map location of 146.161.205.133
58.186.44.119	Find precise map location of 58.186.44.119
9.31.116.148	Find precise map location of 9.31.116.148
126.124.218.142	Find precise map location of 126.124.218.142
24.129.84.71	Find precise map location of 24.129.84.71
233.25.58.86	Find precise map location of 233.25.58.86
196.82.248.209	Find precise map location of 196.82.248.209

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