fping-2.4b2-10.el6.x86_64

fping pure-ipv4
8.8.8.8 is alive
149.148.52.64 is unreachable
1

fping6 pure-ipv4
fping6: Address family for hostname not supported
1

fping pure-ipv6
fe80::a11:96ff:fe8a:e3e4 address not found
2

fping6 pure-ipv6
fe80::a11:96ff:fe8a:e3e4 is unreachable
1

fping mixed-ipv4-first
fe80::a11:96ff:fe8a:e3e4 address not found
8.8.8.8 is alive
149.148.52.64 is unreachable
2

fping6 mixed-ipv4-first
fping6: Address family for hostname not supported
1

fping mixed-ipv6-first
fe80::a11:96ff:fe8a:e3e4 address not found
8.8.8.8 is alive
149.148.52.64 is unreachable                                          
2                                                                     
                                                                      
fping6 mixed-ipv6-first                                               
fping6: Address family for hostname not supported
1