81.223.5 is a class C of IPs

Sample IPs from the class C 81.223.5

81.223.5.182	View precise location of 81.223.5.182 on the map!
81.223.5.218	View precise location of 81.223.5.218 on the map!
81.223.5.4	View precise location of 81.223.5.4 on the map!
81.223.5.236	View precise location of 81.223.5.236 on the map!
81.223.5.122	View precise location of 81.223.5.122 on the map!
81.223.5.152	View precise location of 81.223.5.152 on the map!
81.223.5.245	View precise location of 81.223.5.245 on the map!
81.223.5.176	View precise location of 81.223.5.176 on the map!
81.223.5.231	View precise location of 81.223.5.231 on the map!
81.223.5.95	View precise location of 81.223.5.95 on the map!
81.223.5.242	View precise location of 81.223.5.242 on the map!

10 Random IPs

132.10.204.149	Find precise map location of 132.10.204.149
8.3.41.45	Find precise map location of 8.3.41.45
158.195.237.254	Find precise map location of 158.195.237.254
16.139.40.232	Find precise map location of 16.139.40.232
215.172.224.160	Find precise map location of 215.172.224.160
183.111.170.36	Find precise map location of 183.111.170.36
36.81.48.55	Find precise map location of 36.81.48.55
35.55.131.24	Find precise map location of 35.55.131.24
109.33.122.209	Find precise map location of 109.33.122.209
154.52.96.114	Find precise map location of 154.52.96.114
161.126.238.4	Find precise map location of 161.126.238.4

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