251.78.128 is a class C of IPs

Sample IPs from the class C 251.78.128

251.78.128.50	View precise location of 251.78.128.50 on the map!
251.78.128.187	View precise location of 251.78.128.187 on the map!
251.78.128.243	View precise location of 251.78.128.243 on the map!
251.78.128.143	View precise location of 251.78.128.143 on the map!
251.78.128.232	View precise location of 251.78.128.232 on the map!
251.78.128.161	View precise location of 251.78.128.161 on the map!
251.78.128.113	View precise location of 251.78.128.113 on the map!
251.78.128.191	View precise location of 251.78.128.191 on the map!
251.78.128.196	View precise location of 251.78.128.196 on the map!
251.78.128.142	View precise location of 251.78.128.142 on the map!
251.78.128.165	View precise location of 251.78.128.165 on the map!

10 Random IPs

160.200.239.145	Find precise map location of 160.200.239.145
104.196.130.15	Find precise map location of 104.196.130.15
11.100.5.61	Find precise map location of 11.100.5.61
238.121.197.211	Find precise map location of 238.121.197.211
53.56.175.75	Find precise map location of 53.56.175.75
41.23.226.179	Find precise map location of 41.23.226.179
225.101.179.1	Find precise map location of 225.101.179.1
172.218.55.126	Find precise map location of 172.218.55.126
109.130.220.181	Find precise map location of 109.130.220.181
198.215.190.136	Find precise map location of 198.215.190.136
19.113.24.6	Find precise map location of 19.113.24.6

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