[182017] in North American Network Operators' Group
RE: Dual stack IPv6 for IPv4 depletion
daemon@ATHENA.MIT.EDU (Naslund, Steve)
Thu Jul 9 12:51:43 2015
X-Original-To: nanog@nanog.org
From: "Naslund, Steve" <SNaslund@medline.com>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Thu, 9 Jul 2015 16:51:40 +0000
In-Reply-To: <939dc84108954b5182c99f578809402e@pur-vm-exch13n1.ox.com>
Errors-To: nanog-bounces@nanog.org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