21.247.219 is a class C of IPs

Sample IPs from the class C 21.247.219

21.247.219.96	View precise location of 21.247.219.96 on the map!
21.247.219.215	View precise location of 21.247.219.215 on the map!
21.247.219.61	View precise location of 21.247.219.61 on the map!
21.247.219.83	View precise location of 21.247.219.83 on the map!
21.247.219.63	View precise location of 21.247.219.63 on the map!
21.247.219.205	View precise location of 21.247.219.205 on the map!
21.247.219.31	View precise location of 21.247.219.31 on the map!
21.247.219.55	View precise location of 21.247.219.55 on the map!
21.247.219.178	View precise location of 21.247.219.178 on the map!
21.247.219.142	View precise location of 21.247.219.142 on the map!
21.247.219.143	View precise location of 21.247.219.143 on the map!

10 Random IPs

115.209.176.153	Find precise map location of 115.209.176.153
223.109.96.21	Find precise map location of 223.109.96.21
64.81.13.62	Find precise map location of 64.81.13.62
83.255.65.39	Find precise map location of 83.255.65.39
221.216.246.142	Find precise map location of 221.216.246.142
2.170.47.216	Find precise map location of 2.170.47.216
179.175.40.62	Find precise map location of 179.175.40.62
134.34.171.87	Find precise map location of 134.34.171.87
59.215.18.138	Find precise map location of 59.215.18.138
2.44.139.238	Find precise map location of 2.44.139.238
87.136.32.205	Find precise map location of 87.136.32.205

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