251.83.140 is a class C of IPs

Sample IPs from the class C 251.83.140

251.83.140.65	View precise location of 251.83.140.65 on the map!
251.83.140.100	View precise location of 251.83.140.100 on the map!
251.83.140.158	View precise location of 251.83.140.158 on the map!
251.83.140.103	View precise location of 251.83.140.103 on the map!
251.83.140.57	View precise location of 251.83.140.57 on the map!
251.83.140.31	View precise location of 251.83.140.31 on the map!
251.83.140.105	View precise location of 251.83.140.105 on the map!
251.83.140.204	View precise location of 251.83.140.204 on the map!
251.83.140.24	View precise location of 251.83.140.24 on the map!
251.83.140.130	View precise location of 251.83.140.130 on the map!
251.83.140.131	View precise location of 251.83.140.131 on the map!

10 Random IPs

14.206.194.117	Find precise map location of 14.206.194.117
72.62.58.27	Find precise map location of 72.62.58.27
243.105.203.70	Find precise map location of 243.105.203.70
104.142.38.108	Find precise map location of 104.142.38.108
71.144.203.24	Find precise map location of 71.144.203.24
22.124.82.23	Find precise map location of 22.124.82.23
192.210.150.120	Find precise map location of 192.210.150.120
164.3.149.55	Find precise map location of 164.3.149.55
231.58.176.48	Find precise map location of 231.58.176.48
83.213.105.161	Find precise map location of 83.213.105.161
179.230.39.152	Find precise map location of 179.230.39.152

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