How are operators using IRR?

Danny McPherson danny at
Thu Jan 17 14:47:29 UTC 2013

On Jan 17, 2013, at 9:44 AM, Michael Hallgren <m.hallgren at> wrote:

> Hi,
> Some of the networks close to me, use IRR based AS_PATH and
> prefix filters at customer-route import.
> Needless to say that running periodic diffs between what's found in
> IRR and what's received in RW and discuss the results with customers
> is a necessary good thing to make sure that what is expected is
> really happening. (And potentially a means to bump up the quality of
> the IRR data set.)

Good point...

There's some additional information at "work in progress" here:


If folks have comments, additions, etc..  email authors or grow at


More information about the NANOG mailing list