140.143.40 is a class C of IPs

Sample IPs from the class C 140.143.40

140.143.40.120	View precise location of 140.143.40.120 on the map!
140.143.40.28	View precise location of 140.143.40.28 on the map!
140.143.40.44	View precise location of 140.143.40.44 on the map!
140.143.40.121	View precise location of 140.143.40.121 on the map!
140.143.40.255	View precise location of 140.143.40.255 on the map!
140.143.40.7	View precise location of 140.143.40.7 on the map!
140.143.40.108	View precise location of 140.143.40.108 on the map!
140.143.40.226	View precise location of 140.143.40.226 on the map!
140.143.40.101	View precise location of 140.143.40.101 on the map!
140.143.40.254	View precise location of 140.143.40.254 on the map!
140.143.40.100	View precise location of 140.143.40.100 on the map!

10 Random IPs

66.88.42.131	Find precise map location of 66.88.42.131
251.172.3.209	Find precise map location of 251.172.3.209
226.65.164.71	Find precise map location of 226.65.164.71
45.249.156.88	Find precise map location of 45.249.156.88
183.186.13.136	Find precise map location of 183.186.13.136
239.198.178.232	Find precise map location of 239.198.178.232
175.191.130.47	Find precise map location of 175.191.130.47
231.133.211.38	Find precise map location of 231.133.211.38
210.2.68.25	Find precise map location of 210.2.68.25
25.213.86.49	Find precise map location of 25.213.86.49
21.239.24.92	Find precise map location of 21.239.24.92

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