16.101.221 is a class C of IPs

Sample IPs from the class C 16.101.221

16.101.221.239	View precise location of 16.101.221.239 on the map!
16.101.221.52	View precise location of 16.101.221.52 on the map!
16.101.221.34	View precise location of 16.101.221.34 on the map!
16.101.221.37	View precise location of 16.101.221.37 on the map!
16.101.221.43	View precise location of 16.101.221.43 on the map!
16.101.221.216	View precise location of 16.101.221.216 on the map!
16.101.221.48	View precise location of 16.101.221.48 on the map!
16.101.221.58	View precise location of 16.101.221.58 on the map!
16.101.221.163	View precise location of 16.101.221.163 on the map!
16.101.221.12	View precise location of 16.101.221.12 on the map!
16.101.221.98	View precise location of 16.101.221.98 on the map!

10 Random IPs

145.109.56.211	Find precise map location of 145.109.56.211
92.102.142.207	Find precise map location of 92.102.142.207
107.110.82.186	Find precise map location of 107.110.82.186
120.50.188.105	Find precise map location of 120.50.188.105
198.216.56.126	Find precise map location of 198.216.56.126
84.172.199.224	Find precise map location of 84.172.199.224
246.153.69.131	Find precise map location of 246.153.69.131
137.89.193.21	Find precise map location of 137.89.193.21
35.202.246.51	Find precise map location of 35.202.246.51
212.145.160.8	Find precise map location of 212.145.160.8
122.226.164.74	Find precise map location of 122.226.164.74

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