183.100.20 is a class C of IPs

Sample IPs from the class C 183.100.20

183.100.20.211	View precise location of 183.100.20.211 on the map!
183.100.20.172	View precise location of 183.100.20.172 on the map!
183.100.20.88	View precise location of 183.100.20.88 on the map!
183.100.20.109	View precise location of 183.100.20.109 on the map!
183.100.20.116	View precise location of 183.100.20.116 on the map!
183.100.20.104	View precise location of 183.100.20.104 on the map!
183.100.20.226	View precise location of 183.100.20.226 on the map!
183.100.20.203	View precise location of 183.100.20.203 on the map!
183.100.20.46	View precise location of 183.100.20.46 on the map!
183.100.20.215	View precise location of 183.100.20.215 on the map!
183.100.20.75	View precise location of 183.100.20.75 on the map!

10 Random IPs

248.119.224.61	Find precise map location of 248.119.224.61
33.59.24.219	Find precise map location of 33.59.24.219
150.100.235.30	Find precise map location of 150.100.235.30
52.24.31.4	Find precise map location of 52.24.31.4
55.252.51.89	Find precise map location of 55.252.51.89
147.107.138.164	Find precise map location of 147.107.138.164
137.65.10.62	Find precise map location of 137.65.10.62
45.233.165.245	Find precise map location of 45.233.165.245
213.225.48.139	Find precise map location of 213.225.48.139
101.158.91.129	Find precise map location of 101.158.91.129
213.165.50.115	Find precise map location of 213.165.50.115

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