81.72.86 is a class C of IPs

Sample IPs from the class C 81.72.86

81.72.86.54	View precise location of 81.72.86.54 on the map!
81.72.86.234	View precise location of 81.72.86.234 on the map!
81.72.86.233	View precise location of 81.72.86.233 on the map!
81.72.86.112	View precise location of 81.72.86.112 on the map!
81.72.86.48	View precise location of 81.72.86.48 on the map!
81.72.86.135	View precise location of 81.72.86.135 on the map!
81.72.86.249	View precise location of 81.72.86.249 on the map!
81.72.86.134	View precise location of 81.72.86.134 on the map!
81.72.86.176	View precise location of 81.72.86.176 on the map!
81.72.86.63	View precise location of 81.72.86.63 on the map!
81.72.86.224	View precise location of 81.72.86.224 on the map!

10 Random IPs

208.23.217.22	Find precise map location of 208.23.217.22
101.81.37.225	Find precise map location of 101.81.37.225
105.38.88.99	Find precise map location of 105.38.88.99
137.14.40.122	Find precise map location of 137.14.40.122
97.53.64.65	Find precise map location of 97.53.64.65
229.141.150.109	Find precise map location of 229.141.150.109
41.110.46.139	Find precise map location of 41.110.46.139
23.2.124.217	Find precise map location of 23.2.124.217
202.173.9.71	Find precise map location of 202.173.9.71
188.246.235.75	Find precise map location of 188.246.235.75
56.252.242.47	Find precise map location of 56.252.242.47

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