81.196.3 is a class C of IPs

Sample IPs from the class C 81.196.3

81.196.3.75	View precise location of 81.196.3.75 on the map!
81.196.3.176	View precise location of 81.196.3.176 on the map!
81.196.3.232	View precise location of 81.196.3.232 on the map!
81.196.3.19	View precise location of 81.196.3.19 on the map!
81.196.3.114	View precise location of 81.196.3.114 on the map!
81.196.3.65	View precise location of 81.196.3.65 on the map!
81.196.3.150	View precise location of 81.196.3.150 on the map!
81.196.3.26	View precise location of 81.196.3.26 on the map!
81.196.3.65	View precise location of 81.196.3.65 on the map!
81.196.3.134	View precise location of 81.196.3.134 on the map!
81.196.3.21	View precise location of 81.196.3.21 on the map!

10 Random IPs

89.100.157.118	Find precise map location of 89.100.157.118
215.194.157.11	Find precise map location of 215.194.157.11
215.10.134.26	Find precise map location of 215.10.134.26
68.214.100.99	Find precise map location of 68.214.100.99
145.243.216.70	Find precise map location of 145.243.216.70
18.229.194.189	Find precise map location of 18.229.194.189
213.98.157.107	Find precise map location of 213.98.157.107
182.140.48.40	Find precise map location of 182.140.48.40
210.43.189.190	Find precise map location of 210.43.189.190
142.210.197.35	Find precise map location of 142.210.197.35
245.21.98.110	Find precise map location of 245.21.98.110

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