81.16.225 is a class C of IPs

Sample IPs from the class C 81.16.225

81.16.225.116	View precise location of 81.16.225.116 on the map!
81.16.225.146	View precise location of 81.16.225.146 on the map!
81.16.225.195	View precise location of 81.16.225.195 on the map!
81.16.225.163	View precise location of 81.16.225.163 on the map!
81.16.225.232	View precise location of 81.16.225.232 on the map!
81.16.225.49	View precise location of 81.16.225.49 on the map!
81.16.225.135	View precise location of 81.16.225.135 on the map!
81.16.225.66	View precise location of 81.16.225.66 on the map!
81.16.225.148	View precise location of 81.16.225.148 on the map!
81.16.225.53	View precise location of 81.16.225.53 on the map!
81.16.225.70	View precise location of 81.16.225.70 on the map!

10 Random IPs

24.254.107.190	Find precise map location of 24.254.107.190
153.189.143.249	Find precise map location of 153.189.143.249
105.123.46.68	Find precise map location of 105.123.46.68
173.27.162.82	Find precise map location of 173.27.162.82
38.54.6.49	Find precise map location of 38.54.6.49
11.202.146.159	Find precise map location of 11.202.146.159
107.71.21.123	Find precise map location of 107.71.21.123
205.212.104.104	Find precise map location of 205.212.104.104
143.182.41.95	Find precise map location of 143.182.41.95
223.69.150.192	Find precise map location of 223.69.150.192
178.206.230.199	Find precise map location of 178.206.230.199

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