166.138.113 is a class C of IPs

Sample IPs from the class C 166.138.113

166.138.113.241	View precise location of 166.138.113.241 on the map!
166.138.113.186	View precise location of 166.138.113.186 on the map!
166.138.113.126	View precise location of 166.138.113.126 on the map!
166.138.113.76	View precise location of 166.138.113.76 on the map!
166.138.113.107	View precise location of 166.138.113.107 on the map!
166.138.113.7	View precise location of 166.138.113.7 on the map!
166.138.113.46	View precise location of 166.138.113.46 on the map!
166.138.113.234	View precise location of 166.138.113.234 on the map!
166.138.113.174	View precise location of 166.138.113.174 on the map!
166.138.113.252	View precise location of 166.138.113.252 on the map!
166.138.113.239	View precise location of 166.138.113.239 on the map!

10 Random IPs

49.107.86.27	Find precise map location of 49.107.86.27
36.33.99.168	Find precise map location of 36.33.99.168
149.214.238.158	Find precise map location of 149.214.238.158
96.210.96.86	Find precise map location of 96.210.96.86
112.192.190.143	Find precise map location of 112.192.190.143
169.198.64.199	Find precise map location of 169.198.64.199
190.16.165.252	Find precise map location of 190.16.165.252
230.76.7.192	Find precise map location of 230.76.7.192
123.13.214.245	Find precise map location of 123.13.214.245
234.44.79.70	Find precise map location of 234.44.79.70
145.142.92.30	Find precise map location of 145.142.92.30

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