39.21.64 is a class C of IPs

Sample IPs from the class C 39.21.64

39.21.64.163	View precise location of 39.21.64.163 on the map!
39.21.64.253	View precise location of 39.21.64.253 on the map!
39.21.64.247	View precise location of 39.21.64.247 on the map!
39.21.64.130	View precise location of 39.21.64.130 on the map!
39.21.64.189	View precise location of 39.21.64.189 on the map!
39.21.64.187	View precise location of 39.21.64.187 on the map!
39.21.64.214	View precise location of 39.21.64.214 on the map!
39.21.64.227	View precise location of 39.21.64.227 on the map!
39.21.64.84	View precise location of 39.21.64.84 on the map!
39.21.64.125	View precise location of 39.21.64.125 on the map!
39.21.64.170	View precise location of 39.21.64.170 on the map!

10 Random IPs

105.229.130.53	Find precise map location of 105.229.130.53
156.122.128.48	Find precise map location of 156.122.128.48
248.30.161.205	Find precise map location of 248.30.161.205
31.244.55.117	Find precise map location of 31.244.55.117
65.78.202.175	Find precise map location of 65.78.202.175
106.234.174.18	Find precise map location of 106.234.174.18
82.120.77.14	Find precise map location of 82.120.77.14
137.230.98.235	Find precise map location of 137.230.98.235
114.218.88.242	Find precise map location of 114.218.88.242
174.220.166.96	Find precise map location of 174.220.166.96
200.234.251.91	Find precise map location of 200.234.251.91

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