Re: Deaggregation factor jump (Re: Weekly Routing Table Report)

[Geoff Huston <gih () apnic net>]

> David Conrad wrote:
> > [cc's drastically reduced]
> >
> > On Feb 22, 2008, at 10:06 AM, Routing Analysis Role Account wrote:
> > > Analysis Summary
> > > ----------------
> > > BGP routing table entries examined:                              246872
> > >    Prefixes after maximum aggregation:                          124953
> > >    Deaggregation factor:                                          1.98
> >
> > Yow.  Last week it was 1.96 and this constitutes a significant 
> > increase.  Anybody have an idea of what happened?
>
> Cox has jumped about 2k in the past month for me.  If I could ever 
> figure out what the OIDs are for BGP peers I would graph it.


Something is happening since the 21st of this month.

Check out the plot of BGP entries and ASes on the first page of 
http://www.cidr.report.org. Both the number of BGP advertisements and 
the number of ASes have increased noticeably in the past couple of days.


Geoff



Justin Shore wrote: