15.81.152 is a class C of IPs

Sample IPs from the class C 15.81.152

15.81.152.34	View precise location of 15.81.152.34 on the map!
15.81.152.33	View precise location of 15.81.152.33 on the map!
15.81.152.175	View precise location of 15.81.152.175 on the map!
15.81.152.112	View precise location of 15.81.152.112 on the map!
15.81.152.59	View precise location of 15.81.152.59 on the map!
15.81.152.126	View precise location of 15.81.152.126 on the map!
15.81.152.219	View precise location of 15.81.152.219 on the map!
15.81.152.29	View precise location of 15.81.152.29 on the map!
15.81.152.234	View precise location of 15.81.152.234 on the map!
15.81.152.167	View precise location of 15.81.152.167 on the map!
15.81.152.47	View precise location of 15.81.152.47 on the map!

10 Random IPs

11.246.194.139	Find precise map location of 11.246.194.139
89.34.225.99	Find precise map location of 89.34.225.99
105.230.164.118	Find precise map location of 105.230.164.118
96.159.197.17	Find precise map location of 96.159.197.17
167.7.114.138	Find precise map location of 167.7.114.138
222.37.128.243	Find precise map location of 222.37.128.243
81.41.229.217	Find precise map location of 81.41.229.217
220.203.32.93	Find precise map location of 220.203.32.93
81.215.236.248	Find precise map location of 81.215.236.248
24.230.144.88	Find precise map location of 24.230.144.88
39.186.72.60	Find precise map location of 39.186.72.60

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