56.53.21 is a class C of IPs

Sample IPs from the class C 56.53.21

56.53.21.250	View precise location of 56.53.21.250 on the map!
56.53.21.8	View precise location of 56.53.21.8 on the map!
56.53.21.181	View precise location of 56.53.21.181 on the map!
56.53.21.3	View precise location of 56.53.21.3 on the map!
56.53.21.24	View precise location of 56.53.21.24 on the map!
56.53.21.13	View precise location of 56.53.21.13 on the map!
56.53.21.151	View precise location of 56.53.21.151 on the map!
56.53.21.92	View precise location of 56.53.21.92 on the map!
56.53.21.240	View precise location of 56.53.21.240 on the map!
56.53.21.7	View precise location of 56.53.21.7 on the map!
56.53.21.24	View precise location of 56.53.21.24 on the map!

10 Random IPs

55.23.158.165	Find precise map location of 55.23.158.165
22.113.218.124	Find precise map location of 22.113.218.124
150.182.117.71	Find precise map location of 150.182.117.71
212.138.134.232	Find precise map location of 212.138.134.232
225.143.65.81	Find precise map location of 225.143.65.81
175.89.212.179	Find precise map location of 175.89.212.179
228.200.236.241	Find precise map location of 228.200.236.241
226.180.127.149	Find precise map location of 226.180.127.149
246.159.243.251	Find precise map location of 246.159.243.251
93.103.76.139	Find precise map location of 93.103.76.139
177.246.175.249	Find precise map location of 177.246.175.249

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