51.156.5 is a class C of IPs

Sample IPs from the class C 51.156.5

51.156.5.79	View precise location of 51.156.5.79 on the map!
51.156.5.208	View precise location of 51.156.5.208 on the map!
51.156.5.81	View precise location of 51.156.5.81 on the map!
51.156.5.253	View precise location of 51.156.5.253 on the map!
51.156.5.233	View precise location of 51.156.5.233 on the map!
51.156.5.10	View precise location of 51.156.5.10 on the map!
51.156.5.136	View precise location of 51.156.5.136 on the map!
51.156.5.121	View precise location of 51.156.5.121 on the map!
51.156.5.53	View precise location of 51.156.5.53 on the map!
51.156.5.90	View precise location of 51.156.5.90 on the map!
51.156.5.199	View precise location of 51.156.5.199 on the map!

10 Random IPs

42.83.209.36	Find precise map location of 42.83.209.36
172.249.138.208	Find precise map location of 172.249.138.208
227.196.245.112	Find precise map location of 227.196.245.112
195.209.115.247	Find precise map location of 195.209.115.247
13.46.185.103	Find precise map location of 13.46.185.103
80.233.20.220	Find precise map location of 80.233.20.220
112.116.97.71	Find precise map location of 112.116.97.71
39.37.191.250	Find precise map location of 39.37.191.250
89.36.201.17	Find precise map location of 89.36.201.17
37.12.94.13	Find precise map location of 37.12.94.13
160.142.122.15	Find precise map location of 160.142.122.15

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