Re:

["Andre Chapuis" <chapuis () ip-plus net>]

Harsha,
Yes we do (Swisscom IP-Plus AS3303). We filter on RIR minimal allocations
and anything longer than /21 within historical A/B space
André

----- Original Message -----
From: "Harsha Narayan" <hnarayan () cs ucsd edu>
To: <nanog () merit edu>
Sent: Wednesday, November 13, 2002 5:53 PM


> Hello,
>
>    Are there some ISPs who filter prefixes longer than /19 or a /20?. I
> thought they filtered only prefixes which are longer than /24?
>
>
> Harsha.