20.31.4 is a class C of IPs

Sample IPs from the class C 20.31.4

20.31.4.11	View precise location of 20.31.4.11 on the map!
20.31.4.227	View precise location of 20.31.4.227 on the map!
20.31.4.90	View precise location of 20.31.4.90 on the map!
20.31.4.94	View precise location of 20.31.4.94 on the map!
20.31.4.72	View precise location of 20.31.4.72 on the map!
20.31.4.255	View precise location of 20.31.4.255 on the map!
20.31.4.205	View precise location of 20.31.4.205 on the map!
20.31.4.2	View precise location of 20.31.4.2 on the map!
20.31.4.227	View precise location of 20.31.4.227 on the map!
20.31.4.203	View precise location of 20.31.4.203 on the map!
20.31.4.183	View precise location of 20.31.4.183 on the map!

10 Random IPs

28.147.135.39	Find precise map location of 28.147.135.39
3.227.21.162	Find precise map location of 3.227.21.162
146.26.170.157	Find precise map location of 146.26.170.157
123.58.253.50	Find precise map location of 123.58.253.50
65.78.228.212	Find precise map location of 65.78.228.212
236.131.57.51	Find precise map location of 236.131.57.51
29.61.139.162	Find precise map location of 29.61.139.162
226.167.17.58	Find precise map location of 226.167.17.58
81.57.218.140	Find precise map location of 81.57.218.140
55.65.235.211	Find precise map location of 55.65.235.211
16.47.32.58	Find precise map location of 16.47.32.58

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