Facebook more specific via Level3 ?

Tue Mar 21 17:37:28 UTC 2017

I see that specific route both of my upstreams and not going through level
3.

    Network            Next Hop        MED    LocPrf     Weight Path
*>x 31.13.70.0/24      x.x.x.x 0          80         0      6461 32934 i
*i  31.13.70.0/24      x.x.x.x 0          80         0      209 32934 i
*   31.13.70.0/24      x.x.x.x   10         80         0      209 32934 i

On Tue, Mar 21, 2017 at 12:56 PM, Jürgen Jaritsch <juergen at jaritsch.at>
wrote:

> Hi,
>
>
>
> is anyone else receiving Facebook’s /24 more specific from Level3 (AS3356)?
>
>
>
> 31.13.70.0/24      *[BGP/170] 1w5d 17:21:28, MED 0, localpref 100, from
> a.b.c.d
>
>                       AS path: 3356 32934 I, validation-state: unverified
>
>
>
> This more specific is only visible via AS3356 … Facebook isn’t even
> announcing it via direct peering.
>
>
>
> Any Facebook admin on or off list available to get this debugged and
> tracked
> down?
>
>
>
>
>
> Thanks & best regards
>
> Jürgen
>
>