221.54.221 is a class C of IPs

Sample IPs from the class C 221.54.221

221.54.221.154	View precise location of 221.54.221.154 on the map!
221.54.221.118	View precise location of 221.54.221.118 on the map!
221.54.221.12	View precise location of 221.54.221.12 on the map!
221.54.221.208	View precise location of 221.54.221.208 on the map!
221.54.221.121	View precise location of 221.54.221.121 on the map!
221.54.221.83	View precise location of 221.54.221.83 on the map!
221.54.221.36	View precise location of 221.54.221.36 on the map!
221.54.221.87	View precise location of 221.54.221.87 on the map!
221.54.221.80	View precise location of 221.54.221.80 on the map!
221.54.221.130	View precise location of 221.54.221.130 on the map!
221.54.221.119	View precise location of 221.54.221.119 on the map!

10 Random IPs

174.167.202.87	Find precise map location of 174.167.202.87
101.217.220.101	Find precise map location of 101.217.220.101
55.131.57.26	Find precise map location of 55.131.57.26
97.237.53.73	Find precise map location of 97.237.53.73
89.247.248.83	Find precise map location of 89.247.248.83
221.37.70.142	Find precise map location of 221.37.70.142
32.101.106.16	Find precise map location of 32.101.106.16
63.228.116.96	Find precise map location of 63.228.116.96
210.110.63.107	Find precise map location of 210.110.63.107
110.1.32.198	Find precise map location of 110.1.32.198
175.192.127.143	Find precise map location of 175.192.127.143

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