[106974] in North American Network Operators' Group
Re: Smallest netblock that providers will accept?
daemon@ATHENA.MIT.EDU (Kevin Blackham)
Mon Aug 18 23:05:21 2008
Date: Mon, 18 Aug 2008 21:05:15 -0600
From: "Kevin Blackham" <blackham@gmail.com>
To: "Mike Lyon" <mike.lyon@gmail.com>, NANOG <nanog@merit.edu>
In-Reply-To: <1b5c1c150808181832x667820aat7840b081ea8806a6@mail.gmail.com>
Errors-To: nanog-bounces@nanog.org
Your assumption is generally true with most any provider. They may
even accept something smaller, but it won't make it very far if less
than /24. It's also a good idea to announce a covering prefix in case
some peer network filters on IRR minimums.
On 8/18/08, Mike Lyon <mike.lyon@gmail.com> wrote:
> Hello All,
>
> I am curious as to the routing polices of the bigger providers such as
> ATT, L3, Internap, Qwest, Etc Etc... Is there a standard size
> netblock that these providers will accept? For instance, if customer
> "A" gets a /22 from ARIN and his upstream provider is ATT and L3, what
> would the smallest block be that those providers would accept from
> customer "A"? Would they accept something as small as a /24?
>
> Thanks,
> Mike
>
>
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