depends on where the traffic exits the Akamai network... they are likely using it to proxy Recaptcha, so they likely said "we don't care where it exits" and Aka

depends on where the traffic exits the Akamai network... they are likely using it to proxy Recaptcha, so they likely said "we don't care where it exits" and Akamai picks whatever is most convenient for them... in that case, Brazil.