51.245.139 is a class C of IPs

Sample IPs from the class C 51.245.139

51.245.139.43	View precise location of 51.245.139.43 on the map!
51.245.139.231	View precise location of 51.245.139.231 on the map!
51.245.139.109	View precise location of 51.245.139.109 on the map!
51.245.139.110	View precise location of 51.245.139.110 on the map!
51.245.139.62	View precise location of 51.245.139.62 on the map!
51.245.139.119	View precise location of 51.245.139.119 on the map!
51.245.139.94	View precise location of 51.245.139.94 on the map!
51.245.139.214	View precise location of 51.245.139.214 on the map!
51.245.139.168	View precise location of 51.245.139.168 on the map!
51.245.139.45	View precise location of 51.245.139.45 on the map!
51.245.139.152	View precise location of 51.245.139.152 on the map!

10 Random IPs

162.92.18.161	Find precise map location of 162.92.18.161
108.93.224.5	Find precise map location of 108.93.224.5
43.62.157.149	Find precise map location of 43.62.157.149
84.96.246.124	Find precise map location of 84.96.246.124
113.140.179.146	Find precise map location of 113.140.179.146
63.18.22.140	Find precise map location of 63.18.22.140
24.199.141.39	Find precise map location of 24.199.141.39
54.89.29.216	Find precise map location of 54.89.29.216
13.223.14.92	Find precise map location of 13.223.14.92
159.225.101.121	Find precise map location of 159.225.101.121
9.199.211.253	Find precise map location of 9.199.211.253

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