The URI to MaxMind GeoLite Legacy database for IPv6.
The filter hook “ip-geo-block-maxmind-zip-ipv6” assigns the URI to Free GeoLite Legacy database file for IPv6 which can be downloaded by GZIP format.
The following code snippet in your theme’s
functions.php can download the
city database for IPv6.
"mu-plugins" (ip-geo-block-mu.php)as Validation timing , you should put your code snippet into
drop-in.phpin Geolocation API folder instead of
functions.php. See My custom functions in “functions.php” doesn’t work. in FAQ for detail.