route: 0.0.0.0/32 in LEVEL3 IRR

Thu Feb 1 07:19:55 UTC 2024

On 01/02/2024 01:45, Tom Beecher wrote:
> Seems a bit dramatic. Companies all over the world have been using other 
> people's public IPs internally for decades. I worked at a place 20 odd 
> years ago that had an odd numbering scheme internally, and it was 
> someone else's public space. When I asked why, the guy who built it said 
> "Well I just liked the pattern."
> 
> If you're not announcing someone else's space into the DFZ, or 
> otherwise trying to do anything shady, the three letter agencies aren't 
> likely to come knocking. Doesn't mean anyone SHOULD be doing it, but still.

Well...

If you're using 20.20.20.0/24 which is not "yours" (as I've seen 
happen), then certainly your customers can't get to the real 20.20.20.x
And even if that's not announced and used /today/ - this can change 
quickly...

Frank