Hi, On Mon, Jun 02, 2025 at 07:53:22PM +0200, Piotr Strzyzewski wrote: > > That said, if I understand the DB limitations correctly, every level > > of SUB-ALLOCATED PA is automatically 1 bit longer - so there is an > > upper limit anyway. > > It is not. I actually tested it using a random /24 in the TEST database. > First, I created a /24 inetnum object with the ALLOCATED PA status, and > then 255 inetnum objects with the SUB-ALLOCATED PA status - ranging from > 192.0.2.0 - 192.0.2.254 down to 192.0.2.0 - 192.0.2.0. As a side note, > the last one doesn't make much sense, since it's not possible to create > any smaller inetnum object with ASSIGNED PA status.
That is not surprising - but I was talking "depth", not "breadth".
So the maximum depth of nesting in a /24 is 8, then you hit /32, and
I think this is what Denis was asking about.
> On a more pragmatic note - why don't we ask those who use more than one
> or two levels of sub-allocations about their business case? This way, we
> might better understand the actual problem.
Is there a problem we need to fix? What are we gaining if we introduce
an arbitrary limit "you must only nest SUB-ALLOCATED PA 2/3/4/5 levels
deep" (except a bit of work for the DB engineering team, and a few more
corner cases - what if you have a /24, a nested /28+/29, and then add
a /26 in between?)?
Gert Doering
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