Hello, > On 28 Mar 2021, at 07:43, Peter Müller wrote: > > 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. I do not find this confusing. We are just stating that this IP address belongs to a certain AS. We do not make any statements about any other IP addresses in the same AS or other ones. If you could query a whole subnet, that would be a different thing. > 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. I do not see any problem with this. Did I misunderstand you? > Thanks, and best regards, > Peter Müller -Michael