56.172.78 is a class C of IPs

Sample IPs from the class C 56.172.78

56.172.78.190	View precise location of 56.172.78.190 on the map!
56.172.78.64	View precise location of 56.172.78.64 on the map!
56.172.78.212	View precise location of 56.172.78.212 on the map!
56.172.78.166	View precise location of 56.172.78.166 on the map!
56.172.78.7	View precise location of 56.172.78.7 on the map!
56.172.78.153	View precise location of 56.172.78.153 on the map!
56.172.78.47	View precise location of 56.172.78.47 on the map!
56.172.78.178	View precise location of 56.172.78.178 on the map!
56.172.78.43	View precise location of 56.172.78.43 on the map!
56.172.78.136	View precise location of 56.172.78.136 on the map!
56.172.78.164	View precise location of 56.172.78.164 on the map!

10 Random IPs

61.234.220.16	Find precise map location of 61.234.220.16
94.220.211.178	Find precise map location of 94.220.211.178
30.158.2.18	Find precise map location of 30.158.2.18
173.45.218.193	Find precise map location of 173.45.218.193
169.183.72.15	Find precise map location of 169.183.72.15
181.52.77.240	Find precise map location of 181.52.77.240
148.216.164.106	Find precise map location of 148.216.164.106
211.147.143.247	Find precise map location of 211.147.143.247
123.113.76.53	Find precise map location of 123.113.76.53
238.3.179.33	Find precise map location of 238.3.179.33
153.186.121.121	Find precise map location of 153.186.121.121

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