Re:

["Brian" <bri () sonicboom org>]

If the space is from what was originally class a or b, there are some that
will filter based on that.  An ex employer of mine did that.

    Bri

----- Original Message -----
From: "Harsha Narayan" <hnarayan () cs ucsd edu>
To: <nanog () merit edu>
Sent: Wednesday, November 13, 2002 8:53 AM


> 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.