add networks with faked KP location

add networks with faked KP location

These networks claim to be located in North Korea, but are mostly used
for VPN or other anonymisation purposes. Therefore they are added to
A1 or "others" override files.

See https://blog.trendmicro.com/trendlabs-security-intelligence/a-closer-look-at-north-koreas-internet/
for details. 57.73.224.0/19 was reassigned since then and contains
valid data now, causing it to be omitted.

The second version of this patch superseds the first
one which was broken due to bugs in the MUAs GPG implementation.

Fixes #11757.

Signed-off-by: Peter Müller <peter.mueller@link38.eu>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>