Hello Michael,
hello location folks (CC'ed),

finally having some spare time to spend on ${things}, I thought working on #11754, #12594 and #12595
might be a good idea to improve the results of our location database. :-)

Since #11754 and #12594 involve something like automated overrides to fetched RIR data, I recently noticed
adding overrides is changing the displayed network length in a "location lookup" output:

> [root(a)maverick ~]# location lookup 176.10.99.192
> 176.10.99.192:
>   Network                 : 176.10.99.192/27
>   Country                 : Switzerland
>   Autonomous System       : AS51395 - Datasource AG
>   Anonymous Proxy         : yes

176.10.99.192 is part of 176.10.96.0/19, which is announced as such by AS51395, hence the output is
misleading. A better result would be to display the original size of a BGP announcement, adding some
flags if needed without stripping down the IP network size to the override.

This is a minor issue as far as I am concerned, but before I create code that generates overrides en
masse, I would like to discuss whether or not it is a good idea to keep the current behaviour.

Thanks, and best regards,
Peter Müller