21.57.33 is a class C of IPs

Sample IPs from the class C 21.57.33

21.57.33.3	View precise location of 21.57.33.3 on the map!
21.57.33.81	View precise location of 21.57.33.81 on the map!
21.57.33.204	View precise location of 21.57.33.204 on the map!
21.57.33.232	View precise location of 21.57.33.232 on the map!
21.57.33.192	View precise location of 21.57.33.192 on the map!
21.57.33.114	View precise location of 21.57.33.114 on the map!
21.57.33.63	View precise location of 21.57.33.63 on the map!
21.57.33.189	View precise location of 21.57.33.189 on the map!
21.57.33.4	View precise location of 21.57.33.4 on the map!
21.57.33.73	View precise location of 21.57.33.73 on the map!
21.57.33.250	View precise location of 21.57.33.250 on the map!

10 Random IPs

114.88.252.78	Find precise map location of 114.88.252.78
252.179.188.254	Find precise map location of 252.179.188.254
34.167.78.117	Find precise map location of 34.167.78.117
170.145.155.170	Find precise map location of 170.145.155.170
74.27.232.70	Find precise map location of 74.27.232.70
204.183.160.175	Find precise map location of 204.183.160.175
196.45.84.39	Find precise map location of 196.45.84.39
86.183.221.68	Find precise map location of 86.183.221.68
82.9.195.42	Find precise map location of 82.9.195.42
45.200.2.54	Find precise map location of 45.200.2.54
5.111.123.118	Find precise map location of 5.111.123.118

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