56.121.188 is a class C of IPs

Sample IPs from the class C 56.121.188

56.121.188.132	View precise location of 56.121.188.132 on the map!
56.121.188.45	View precise location of 56.121.188.45 on the map!
56.121.188.216	View precise location of 56.121.188.216 on the map!
56.121.188.37	View precise location of 56.121.188.37 on the map!
56.121.188.131	View precise location of 56.121.188.131 on the map!
56.121.188.229	View precise location of 56.121.188.229 on the map!
56.121.188.223	View precise location of 56.121.188.223 on the map!
56.121.188.16	View precise location of 56.121.188.16 on the map!
56.121.188.65	View precise location of 56.121.188.65 on the map!
56.121.188.124	View precise location of 56.121.188.124 on the map!
56.121.188.86	View precise location of 56.121.188.86 on the map!

10 Random IPs

173.174.250.44	Find precise map location of 173.174.250.44
112.72.125.167	Find precise map location of 112.72.125.167
157.62.12.246	Find precise map location of 157.62.12.246
194.130.121.119	Find precise map location of 194.130.121.119
104.135.96.94	Find precise map location of 104.135.96.94
196.64.156.29	Find precise map location of 196.64.156.29
69.90.253.141	Find precise map location of 69.90.253.141
59.44.102.103	Find precise map location of 59.44.102.103
47.54.43.35	Find precise map location of 47.54.43.35
59.111.83.173	Find precise map location of 59.111.83.173
36.110.78.9	Find precise map location of 36.110.78.9

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