13.40.12 is a class C of IPs

Sample IPs from the class C 13.40.12

13.40.12.221	View precise location of 13.40.12.221 on the map!
13.40.12.136	View precise location of 13.40.12.136 on the map!
13.40.12.183	View precise location of 13.40.12.183 on the map!
13.40.12.107	View precise location of 13.40.12.107 on the map!
13.40.12.57	View precise location of 13.40.12.57 on the map!
13.40.12.80	View precise location of 13.40.12.80 on the map!
13.40.12.159	View precise location of 13.40.12.159 on the map!
13.40.12.204	View precise location of 13.40.12.204 on the map!
13.40.12.209	View precise location of 13.40.12.209 on the map!
13.40.12.178	View precise location of 13.40.12.178 on the map!
13.40.12.135	View precise location of 13.40.12.135 on the map!

10 Random IPs

124.213.174.146	Find precise map location of 124.213.174.146
14.253.83.229	Find precise map location of 14.253.83.229
94.88.66.1	Find precise map location of 94.88.66.1
102.103.89.5	Find precise map location of 102.103.89.5
43.246.29.236	Find precise map location of 43.246.29.236
102.31.174.136	Find precise map location of 102.31.174.136
98.114.186.157	Find precise map location of 98.114.186.157
125.58.115.228	Find precise map location of 125.58.115.228
201.153.245.7	Find precise map location of 201.153.245.7
182.127.12.131	Find precise map location of 182.127.12.131
32.203.8.67	Find precise map location of 32.203.8.67

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