221.215.21 is a class C of IPs

Sample IPs from the class C 221.215.21

221.215.21.2	View precise location of 221.215.21.2 on the map!
221.215.21.122	View precise location of 221.215.21.122 on the map!
221.215.21.108	View precise location of 221.215.21.108 on the map!
221.215.21.190	View precise location of 221.215.21.190 on the map!
221.215.21.162	View precise location of 221.215.21.162 on the map!
221.215.21.3	View precise location of 221.215.21.3 on the map!
221.215.21.58	View precise location of 221.215.21.58 on the map!
221.215.21.211	View precise location of 221.215.21.211 on the map!
221.215.21.51	View precise location of 221.215.21.51 on the map!
221.215.21.118	View precise location of 221.215.21.118 on the map!
221.215.21.79	View precise location of 221.215.21.79 on the map!

10 Random IPs

99.197.87.222	Find precise map location of 99.197.87.222
141.218.64.34	Find precise map location of 141.218.64.34
36.1.228.41	Find precise map location of 36.1.228.41
207.110.237.176	Find precise map location of 207.110.237.176
19.215.61.67	Find precise map location of 19.215.61.67
127.123.187.249	Find precise map location of 127.123.187.249
84.74.226.35	Find precise map location of 84.74.226.35
53.133.157.240	Find precise map location of 53.133.157.240
73.171.251.30	Find precise map location of 73.171.251.30
192.192.170.7	Find precise map location of 192.192.170.7
117.4.167.18	Find precise map location of 117.4.167.18

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