221.213.6 is a class C of IPs

Sample IPs from the class C 221.213.6

221.213.6.158	View precise location of 221.213.6.158 on the map!
221.213.6.85	View precise location of 221.213.6.85 on the map!
221.213.6.173	View precise location of 221.213.6.173 on the map!
221.213.6.33	View precise location of 221.213.6.33 on the map!
221.213.6.103	View precise location of 221.213.6.103 on the map!
221.213.6.39	View precise location of 221.213.6.39 on the map!
221.213.6.109	View precise location of 221.213.6.109 on the map!
221.213.6.6	View precise location of 221.213.6.6 on the map!
221.213.6.31	View precise location of 221.213.6.31 on the map!
221.213.6.219	View precise location of 221.213.6.219 on the map!
221.213.6.42	View precise location of 221.213.6.42 on the map!

10 Random IPs

105.70.22.23	Find precise map location of 105.70.22.23
113.161.165.64	Find precise map location of 113.161.165.64
75.97.59.9	Find precise map location of 75.97.59.9
137.126.45.252	Find precise map location of 137.126.45.252
198.108.179.156	Find precise map location of 198.108.179.156
226.90.173.92	Find precise map location of 226.90.173.92
7.191.214.234	Find precise map location of 7.191.214.234
105.122.119.10	Find precise map location of 105.122.119.10
173.201.243.85	Find precise map location of 173.201.243.85
4.96.158.44	Find precise map location of 4.96.158.44
63.57.6.4	Find precise map location of 63.57.6.4

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