123.20.11 is a class C of IPs

Sample IPs from the class C 123.20.11

123.20.11.100	View precise location of 123.20.11.100 on the map!
123.20.11.114	View precise location of 123.20.11.114 on the map!
123.20.11.199	View precise location of 123.20.11.199 on the map!
123.20.11.64	View precise location of 123.20.11.64 on the map!
123.20.11.200	View precise location of 123.20.11.200 on the map!
123.20.11.232	View precise location of 123.20.11.232 on the map!
123.20.11.139	View precise location of 123.20.11.139 on the map!
123.20.11.224	View precise location of 123.20.11.224 on the map!
123.20.11.116	View precise location of 123.20.11.116 on the map!
123.20.11.139	View precise location of 123.20.11.139 on the map!
123.20.11.41	View precise location of 123.20.11.41 on the map!

10 Random IPs

151.251.233.210	Find precise map location of 151.251.233.210
216.170.201.93	Find precise map location of 216.170.201.93
9.59.165.205	Find precise map location of 9.59.165.205
189.50.183.4	Find precise map location of 189.50.183.4
231.146.30.81	Find precise map location of 231.146.30.81
205.69.197.163	Find precise map location of 205.69.197.163
42.103.91.192	Find precise map location of 42.103.91.192
99.55.24.81	Find precise map location of 99.55.24.81
156.199.97.4	Find precise map location of 156.199.97.4
241.228.11.45	Find precise map location of 241.228.11.45
86.25.5.127	Find precise map location of 86.25.5.127

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