21.15.217 is a class C of IPs

Sample IPs from the class C 21.15.217

21.15.217.195	View precise location of 21.15.217.195 on the map!
21.15.217.189	View precise location of 21.15.217.189 on the map!
21.15.217.115	View precise location of 21.15.217.115 on the map!
21.15.217.154	View precise location of 21.15.217.154 on the map!
21.15.217.237	View precise location of 21.15.217.237 on the map!
21.15.217.232	View precise location of 21.15.217.232 on the map!
21.15.217.155	View precise location of 21.15.217.155 on the map!
21.15.217.100	View precise location of 21.15.217.100 on the map!
21.15.217.170	View precise location of 21.15.217.170 on the map!
21.15.217.125	View precise location of 21.15.217.125 on the map!
21.15.217.246	View precise location of 21.15.217.246 on the map!

10 Random IPs

62.128.17.76	Find precise map location of 62.128.17.76
216.36.82.86	Find precise map location of 216.36.82.86
88.204.21.39	Find precise map location of 88.204.21.39
49.247.196.107	Find precise map location of 49.247.196.107
204.68.207.35	Find precise map location of 204.68.207.35
199.166.223.88	Find precise map location of 199.166.223.88
234.2.15.204	Find precise map location of 234.2.15.204
88.90.37.41	Find precise map location of 88.90.37.41
164.185.151.1	Find precise map location of 164.185.151.1
61.7.124.240	Find precise map location of 61.7.124.240
125.137.92.176	Find precise map location of 125.137.92.176

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