21.171.73 is a class C of IPs

Sample IPs from the class C 21.171.73

21.171.73.221	View precise location of 21.171.73.221 on the map!
21.171.73.17	View precise location of 21.171.73.17 on the map!
21.171.73.110	View precise location of 21.171.73.110 on the map!
21.171.73.194	View precise location of 21.171.73.194 on the map!
21.171.73.214	View precise location of 21.171.73.214 on the map!
21.171.73.208	View precise location of 21.171.73.208 on the map!
21.171.73.232	View precise location of 21.171.73.232 on the map!
21.171.73.28	View precise location of 21.171.73.28 on the map!
21.171.73.9	View precise location of 21.171.73.9 on the map!
21.171.73.138	View precise location of 21.171.73.138 on the map!
21.171.73.90	View precise location of 21.171.73.90 on the map!

10 Random IPs

16.1.125.154	Find precise map location of 16.1.125.154
213.164.78.25	Find precise map location of 213.164.78.25
84.162.149.164	Find precise map location of 84.162.149.164
189.59.48.184	Find precise map location of 189.59.48.184
236.20.62.113	Find precise map location of 236.20.62.113
247.94.83.108	Find precise map location of 247.94.83.108
79.178.101.165	Find precise map location of 79.178.101.165
123.228.253.100	Find precise map location of 123.228.253.100
107.138.23.168	Find precise map location of 107.138.23.168
186.6.161.181	Find precise map location of 186.6.161.181
141.19.38.209	Find precise map location of 141.19.38.209

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