Re: So am I just excitable?

[Brian Knight via NANOG <nanog () lists nanog org>]

I see the cause of the discrepancy now. Bumped up our RIB against Route 
Views, and I see lots of disaggregation on Route Views that isn't 
present in our RIB. Had no idea we were being shielded from *that* many 
/24's.

Many apologies for the Friday night stupidity :(

-Brian


On 2025-08-29 16:49, Brian Knight via NANOG wrote:
> On 2025-08-29 15:15, Tom Beecher via NANOG wrote:
> > Geoff's data at Potaroo had the FIB clearing 1M back in Febuary if 
> > memory
> > serves. So this already happened months ago.
>
> I'm confused by that.
>
> I show 990450 prefixes in my FIB, 990478 in RIB.
>
> Potaroo shows 1022758 prefixes in FIB for today.
>
> Why would there be a discrepancy of over 32k prefixes?
>
> We're blocking exactly 0 prefixes from our three upstreams.
>
> I would understand a hand-waving explanation of "this is the Internet, 
> it's always being updated, and everyone has a different view of it" if 
> the discrepancy were 10^2 or even 10^3. But over 10^5? That's a bit 
> like the three top ASNs for route count just disappeared from the 
> Internet.
>
> -Brian
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