115.100.40 is a class C of IPs

Sample IPs from the class C 115.100.40

115.100.40.55	View precise location of 115.100.40.55 on the map!
115.100.40.129	View precise location of 115.100.40.129 on the map!
115.100.40.188	View precise location of 115.100.40.188 on the map!
115.100.40.233	View precise location of 115.100.40.233 on the map!
115.100.40.1	View precise location of 115.100.40.1 on the map!
115.100.40.9	View precise location of 115.100.40.9 on the map!
115.100.40.94	View precise location of 115.100.40.94 on the map!
115.100.40.187	View precise location of 115.100.40.187 on the map!
115.100.40.42	View precise location of 115.100.40.42 on the map!
115.100.40.102	View precise location of 115.100.40.102 on the map!
115.100.40.137	View precise location of 115.100.40.137 on the map!

10 Random IPs

184.154.235.185	Find precise map location of 184.154.235.185
179.143.18.123	Find precise map location of 179.143.18.123
121.33.172.6	Find precise map location of 121.33.172.6
94.21.186.119	Find precise map location of 94.21.186.119
98.196.81.184	Find precise map location of 98.196.81.184
253.112.194.124	Find precise map location of 253.112.194.124
144.71.176.17	Find precise map location of 144.71.176.17
185.44.115.232	Find precise map location of 185.44.115.232
43.195.245.188	Find precise map location of 43.195.245.188
109.137.196.254	Find precise map location of 109.137.196.254
252.78.232.104	Find precise map location of 252.78.232.104

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