164.81.40 is a class C of IPs

Sample IPs from the class C 164.81.40

164.81.40.148	View precise location of 164.81.40.148 on the map!
164.81.40.219	View precise location of 164.81.40.219 on the map!
164.81.40.227	View precise location of 164.81.40.227 on the map!
164.81.40.141	View precise location of 164.81.40.141 on the map!
164.81.40.214	View precise location of 164.81.40.214 on the map!
164.81.40.193	View precise location of 164.81.40.193 on the map!
164.81.40.111	View precise location of 164.81.40.111 on the map!
164.81.40.23	View precise location of 164.81.40.23 on the map!
164.81.40.250	View precise location of 164.81.40.250 on the map!
164.81.40.90	View precise location of 164.81.40.90 on the map!
164.81.40.40	View precise location of 164.81.40.40 on the map!

10 Random IPs

96.19.138.23	Find precise map location of 96.19.138.23
107.153.156.3	Find precise map location of 107.153.156.3
95.75.93.236	Find precise map location of 95.75.93.236
151.237.227.24	Find precise map location of 151.237.227.24
226.105.22.50	Find precise map location of 226.105.22.50
167.44.72.88	Find precise map location of 167.44.72.88
102.31.121.185	Find precise map location of 102.31.121.185
209.51.30.157	Find precise map location of 209.51.30.157
138.128.237.172	Find precise map location of 138.128.237.172
232.4.104.228	Find precise map location of 232.4.104.228
93.10.78.13	Find precise map location of 93.10.78.13

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