[139975] in North American Network Operators' Group
Re: IPv6 Prefix announcing
daemon@ATHENA.MIT.EDU (William Herrin)
Tue Apr 26 13:14:42 2011
In-Reply-To: <3e67f6c1$2b23cd7f$74e5177b$@com>
From: William Herrin <bill@herrin.us>
Date: Tue, 26 Apr 2011 13:13:11 -0400
To: nick@flhsi.com
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Tue, Apr 26, 2011 at 12:30 PM, Nick Olsen <nick@flhsi.com> wrote:
> Greetings NANOG,
> I've always been under the impression its best practice to only announce
> prefixes of a /24 and above when it comes to IPv4 and BGP.
> I was wondering if something similar had been agreed upon regarding IPv6.
> And if That's the case, What's the magic number? /32? /48? /64?
Hi Nick,
At this point, you can depend on being able to announce a /32 from any
block and a /48 from an RIR block designated for end-user assignments.
Many carriers have more permissive policies but all of any consequence
now allow at least that.
Regards,
Bill Herrin
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