51.80.138 is a class C of IPs

Sample IPs from the class C 51.80.138

51.80.138.219	View precise location of 51.80.138.219 on the map!
51.80.138.109	View precise location of 51.80.138.109 on the map!
51.80.138.214	View precise location of 51.80.138.214 on the map!
51.80.138.107	View precise location of 51.80.138.107 on the map!
51.80.138.35	View precise location of 51.80.138.35 on the map!
51.80.138.156	View precise location of 51.80.138.156 on the map!
51.80.138.202	View precise location of 51.80.138.202 on the map!
51.80.138.215	View precise location of 51.80.138.215 on the map!
51.80.138.186	View precise location of 51.80.138.186 on the map!
51.80.138.112	View precise location of 51.80.138.112 on the map!
51.80.138.214	View precise location of 51.80.138.214 on the map!

10 Random IPs

158.34.111.118	Find precise map location of 158.34.111.118
123.3.157.53	Find precise map location of 123.3.157.53
20.2.113.164	Find precise map location of 20.2.113.164
70.169.255.44	Find precise map location of 70.169.255.44
89.221.64.51	Find precise map location of 89.221.64.51
91.174.208.77	Find precise map location of 91.174.208.77
227.152.85.5	Find precise map location of 227.152.85.5
112.201.240.120	Find precise map location of 112.201.240.120
80.226.222.19	Find precise map location of 80.226.222.19
164.45.217.223	Find precise map location of 164.45.217.223
81.64.6.255	Find precise map location of 81.64.6.255

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