Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
MASQUERADE  0    --  192.0.0.0/8          anywhere
MASQUERADE  0    --  192.168.0.0/24       anywhere
MASQUERADE  0    --  192.0.0.0/8          anywhere

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination