251.99.80 is a class C of IPs

Sample IPs from the class C 251.99.80

251.99.80.161	View precise location of 251.99.80.161 on the map!
251.99.80.50	View precise location of 251.99.80.50 on the map!
251.99.80.159	View precise location of 251.99.80.159 on the map!
251.99.80.11	View precise location of 251.99.80.11 on the map!
251.99.80.240	View precise location of 251.99.80.240 on the map!
251.99.80.187	View precise location of 251.99.80.187 on the map!
251.99.80.71	View precise location of 251.99.80.71 on the map!
251.99.80.194	View precise location of 251.99.80.194 on the map!
251.99.80.98	View precise location of 251.99.80.98 on the map!
251.99.80.4	View precise location of 251.99.80.4 on the map!
251.99.80.86	View precise location of 251.99.80.86 on the map!

10 Random IPs

169.148.239.169	Find precise map location of 169.148.239.169
215.22.75.160	Find precise map location of 215.22.75.160
156.191.203.70	Find precise map location of 156.191.203.70
198.122.166.198	Find precise map location of 198.122.166.198
158.123.190.127	Find precise map location of 158.123.190.127
250.24.3.119	Find precise map location of 250.24.3.119
137.207.165.20	Find precise map location of 137.207.165.20
60.248.49.110	Find precise map location of 60.248.49.110
75.158.124.240	Find precise map location of 75.158.124.240
82.38.200.192	Find precise map location of 82.38.200.192
74.97.209.74	Find precise map location of 74.97.209.74

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