140.131.13 is a class C of IPs

Sample IPs from the class C 140.131.13

140.131.13.122	View precise location of 140.131.13.122 on the map!
140.131.13.172	View precise location of 140.131.13.172 on the map!
140.131.13.183	View precise location of 140.131.13.183 on the map!
140.131.13.94	View precise location of 140.131.13.94 on the map!
140.131.13.219	View precise location of 140.131.13.219 on the map!
140.131.13.255	View precise location of 140.131.13.255 on the map!
140.131.13.154	View precise location of 140.131.13.154 on the map!
140.131.13.74	View precise location of 140.131.13.74 on the map!
140.131.13.88	View precise location of 140.131.13.88 on the map!
140.131.13.104	View precise location of 140.131.13.104 on the map!
140.131.13.43	View precise location of 140.131.13.43 on the map!

10 Random IPs

36.208.138.24	Find precise map location of 36.208.138.24
224.193.70.102	Find precise map location of 224.193.70.102
32.183.38.1	Find precise map location of 32.183.38.1
170.83.215.153	Find precise map location of 170.83.215.153
131.229.143.172	Find precise map location of 131.229.143.172
139.240.177.184	Find precise map location of 139.240.177.184
81.220.111.169	Find precise map location of 81.220.111.169
74.51.237.77	Find precise map location of 74.51.237.77
96.95.252.93	Find precise map location of 96.95.252.93
120.65.179.168	Find precise map location of 120.65.179.168
186.61.169.22	Find precise map location of 186.61.169.22

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