[182523] in North American Network Operators' Group
Re: 20-30Gbps UDP 1720 traffic appearing to originate from CN in last
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Mon Jul 20 16:03:34 2015
X-Original-To: nanog@nanog.org
To: ML <ml@kenweb.org>
In-Reply-To: Your message of "Mon, 20 Jul 2015 15:40:09 -0400."
<55AD4E99.5020605@kenweb.org>
From: Valdis.Kletnieks@vt.edu
Date: Mon, 20 Jul 2015 16:03:24 -0400
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
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On Mon, 20 Jul 2015 15:40:09 -0400, ML said:
> If you really wanted to go the route of blocking all/almost all China.
> Isn't there a short list of ASNs that provide transit to China
> citizens/networks?
> I'm referring to AS4134, AS4837, etc
> Wouldn't blackholing any prefix with those ASNs in the AS path
> accomplish the goal and stay up to date with a new prefixes originated
> from China?
What do you do if AS4134 has customers in Australia as well?
And how do you even *tell* if they do or not, if the space hasn't been
SWIP'ed or otherwise noted as customer space?
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