20.216.133 is a class C of IPs

Sample IPs from the class C 20.216.133

20.216.133.224	View precise location of 20.216.133.224 on the map!
20.216.133.99	View precise location of 20.216.133.99 on the map!
20.216.133.218	View precise location of 20.216.133.218 on the map!
20.216.133.240	View precise location of 20.216.133.240 on the map!
20.216.133.166	View precise location of 20.216.133.166 on the map!
20.216.133.214	View precise location of 20.216.133.214 on the map!
20.216.133.69	View precise location of 20.216.133.69 on the map!
20.216.133.204	View precise location of 20.216.133.204 on the map!
20.216.133.137	View precise location of 20.216.133.137 on the map!
20.216.133.52	View precise location of 20.216.133.52 on the map!
20.216.133.128	View precise location of 20.216.133.128 on the map!

10 Random IPs

235.134.51.124	Find precise map location of 235.134.51.124
61.182.226.129	Find precise map location of 61.182.226.129
133.42.81.250	Find precise map location of 133.42.81.250
20.42.215.222	Find precise map location of 20.42.215.222
81.164.221.219	Find precise map location of 81.164.221.219
252.42.183.114	Find precise map location of 252.42.183.114
174.59.115.224	Find precise map location of 174.59.115.224
9.32.161.209	Find precise map location of 9.32.161.209
93.175.126.229	Find precise map location of 93.175.126.229
8.32.136.170	Find precise map location of 8.32.136.170
25.147.78.29	Find precise map location of 25.147.78.29

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