5.51.138 is a class C of IPs

Sample IPs from the class C 5.51.138

5.51.138.38	View precise location of 5.51.138.38 on the map!
5.51.138.17	View precise location of 5.51.138.17 on the map!
5.51.138.97	View precise location of 5.51.138.97 on the map!
5.51.138.197	View precise location of 5.51.138.197 on the map!
5.51.138.131	View precise location of 5.51.138.131 on the map!
5.51.138.45	View precise location of 5.51.138.45 on the map!
5.51.138.156	View precise location of 5.51.138.156 on the map!
5.51.138.237	View precise location of 5.51.138.237 on the map!
5.51.138.55	View precise location of 5.51.138.55 on the map!
5.51.138.2	View precise location of 5.51.138.2 on the map!
5.51.138.240	View precise location of 5.51.138.240 on the map!

10 Random IPs

80.59.118.134	Find precise map location of 80.59.118.134
89.174.119.33	Find precise map location of 89.174.119.33
131.29.74.247	Find precise map location of 131.29.74.247
234.170.145.176	Find precise map location of 234.170.145.176
156.194.187.192	Find precise map location of 156.194.187.192
229.69.209.117	Find precise map location of 229.69.209.117
41.5.229.140	Find precise map location of 41.5.229.140
75.10.106.69	Find precise map location of 75.10.106.69
15.162.44.177	Find precise map location of 15.162.44.177
138.111.152.190	Find precise map location of 138.111.152.190
13.15.231.41	Find precise map location of 13.15.231.41

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