83.81.226 is a class C of IPs

Sample IPs from the class C 83.81.226

83.81.226.133	View precise location of 83.81.226.133 on the map!
83.81.226.226	View precise location of 83.81.226.226 on the map!
83.81.226.46	View precise location of 83.81.226.46 on the map!
83.81.226.3	View precise location of 83.81.226.3 on the map!
83.81.226.17	View precise location of 83.81.226.17 on the map!
83.81.226.184	View precise location of 83.81.226.184 on the map!
83.81.226.67	View precise location of 83.81.226.67 on the map!
83.81.226.139	View precise location of 83.81.226.139 on the map!
83.81.226.148	View precise location of 83.81.226.148 on the map!
83.81.226.149	View precise location of 83.81.226.149 on the map!
83.81.226.57	View precise location of 83.81.226.57 on the map!

10 Random IPs

242.78.214.75	Find precise map location of 242.78.214.75
73.100.109.114	Find precise map location of 73.100.109.114
26.53.28.57	Find precise map location of 26.53.28.57
51.108.81.27	Find precise map location of 51.108.81.27
53.13.133.208	Find precise map location of 53.13.133.208
137.172.81.8	Find precise map location of 137.172.81.8
215.143.53.81	Find precise map location of 215.143.53.81
105.77.128.215	Find precise map location of 105.77.128.215
194.76.102.188	Find precise map location of 194.76.102.188
33.58.218.53	Find precise map location of 33.58.218.53
205.228.98.174	Find precise map location of 205.228.98.174

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