231.223.168 is a class C of IPs

Sample IPs from the class C 231.223.168

231.223.168.2	View precise location of 231.223.168.2 on the map!
231.223.168.39	View precise location of 231.223.168.39 on the map!
231.223.168.8	View precise location of 231.223.168.8 on the map!
231.223.168.122	View precise location of 231.223.168.122 on the map!
231.223.168.82	View precise location of 231.223.168.82 on the map!
231.223.168.72	View precise location of 231.223.168.72 on the map!
231.223.168.61	View precise location of 231.223.168.61 on the map!
231.223.168.153	View precise location of 231.223.168.153 on the map!
231.223.168.65	View precise location of 231.223.168.65 on the map!
231.223.168.3	View precise location of 231.223.168.3 on the map!
231.223.168.6	View precise location of 231.223.168.6 on the map!

10 Random IPs

113.51.183.87	Find precise map location of 113.51.183.87
104.173.247.147	Find precise map location of 104.173.247.147
158.114.188.246	Find precise map location of 158.114.188.246
199.40.30.232	Find precise map location of 199.40.30.232
216.251.122.9	Find precise map location of 216.251.122.9
164.128.144.132	Find precise map location of 164.128.144.132
189.148.65.26	Find precise map location of 189.148.65.26
137.250.72.50	Find precise map location of 137.250.72.50
198.212.56.40	Find precise map location of 198.212.56.40
69.157.96.65	Find precise map location of 69.157.96.65
44.221.85.69	Find precise map location of 44.221.85.69

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