15.15.64 is a class C of IPs

Sample IPs from the class C 15.15.64

15.15.64.74	View precise location of 15.15.64.74 on the map!
15.15.64.82	View precise location of 15.15.64.82 on the map!
15.15.64.182	View precise location of 15.15.64.182 on the map!
15.15.64.47	View precise location of 15.15.64.47 on the map!
15.15.64.54	View precise location of 15.15.64.54 on the map!
15.15.64.214	View precise location of 15.15.64.214 on the map!
15.15.64.191	View precise location of 15.15.64.191 on the map!
15.15.64.189	View precise location of 15.15.64.189 on the map!
15.15.64.23	View precise location of 15.15.64.23 on the map!
15.15.64.221	View precise location of 15.15.64.221 on the map!
15.15.64.97	View precise location of 15.15.64.97 on the map!

10 Random IPs

174.11.200.43	Find precise map location of 174.11.200.43
137.246.66.58	Find precise map location of 137.246.66.58
41.194.113.254	Find precise map location of 41.194.113.254
48.165.222.89	Find precise map location of 48.165.222.89
13.28.63.121	Find precise map location of 13.28.63.121
51.204.222.169	Find precise map location of 51.204.222.169
207.193.129.152	Find precise map location of 207.193.129.152
217.199.37.114	Find precise map location of 217.199.37.114
39.117.143.101	Find precise map location of 39.117.143.101
10.209.214.171	Find precise map location of 10.209.214.171
239.228.131.112	Find precise map location of 239.228.131.112

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