170.51.216 is a class C of IPs

Sample IPs from the class C 170.51.216

170.51.216.68	View precise location of 170.51.216.68 on the map!
170.51.216.228	View precise location of 170.51.216.228 on the map!
170.51.216.149	View precise location of 170.51.216.149 on the map!
170.51.216.247	View precise location of 170.51.216.247 on the map!
170.51.216.138	View precise location of 170.51.216.138 on the map!
170.51.216.120	View precise location of 170.51.216.120 on the map!
170.51.216.77	View precise location of 170.51.216.77 on the map!
170.51.216.195	View precise location of 170.51.216.195 on the map!
170.51.216.71	View precise location of 170.51.216.71 on the map!
170.51.216.32	View precise location of 170.51.216.32 on the map!
170.51.216.6	View precise location of 170.51.216.6 on the map!

10 Random IPs

57.9.232.103	Find precise map location of 57.9.232.103
133.141.104.24	Find precise map location of 133.141.104.24
199.33.7.88	Find precise map location of 199.33.7.88
205.239.233.148	Find precise map location of 205.239.233.148
172.155.80.174	Find precise map location of 172.155.80.174
84.86.151.168	Find precise map location of 84.86.151.168
228.249.130.123	Find precise map location of 228.249.130.123
87.213.205.77	Find precise map location of 87.213.205.77
112.151.183.241	Find precise map location of 112.151.183.241
68.128.200.132	Find precise map location of 68.128.200.132
111.205.130.159	Find precise map location of 111.205.130.159

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