[102729] in North American Network Operators' Group
Re: ISP's who where affected by the misconfiguration: start using
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Mon Feb 25 11:44:23 2008
Date: Mon, 25 Feb 2008 17:40:05 +0100 (CET)
To: jlewis@lewis.org
Cc: nanog@merit.edu
From: sthaug@nethelp.no
In-Reply-To: <Pine.LNX.4.61.0802250921150.3306@soloth.lewis.org>
Errors-To: owner-nanog@merit.edu
> I've only dealt with a handful of the bigger networks, but every transit
> BGP session I've ever been the customer role on has been filtered by the
> provider. From memory and in no particular order, that's UUNet, Level3,
> Digex, Intermedia, Global Crossing, Genuity, Sprint, Above.net, Time
> Warner, C&W, MCI, XO, Broadwing, and a few smaller ones nobody's likely to
> have heard of.
There's at least one reasonably big transit provider that does *not*
do prefix filtering: TeliaSonera (AS 1299). They *do* perform as-path
filtering, but the effectiveness is disputable...
> As an ISP providing transit, all of our customers get prefix-filtered.
Same here.
Steinar Haug, Nethelp consulting, sthaug@nethelp.no
