Companies using public IP space owned by others for internal routing

Shaun nanog at shat.net
Mon Dec 18 02:31:01 CST 2017


On Sun, 17 Dec 2017 18:24:40 -0700
Richard Porter <richard at pedantictheory.com> wrote:

> Robert,
> I’ve heard of two cases recently, large companies (non carrier/ISP). One company looking to solve challenge with IPv6 and 6to4 and DNS.
> 
> Also curious how wide-spread this is? Maybe just the kick in the butt for catching the elusive IPv6 unicorn?

As another data point, Microsoft is using parts of UK MoD's 25/8 for
their hosted Exchange and Outlook infrastructure. Some references,

<https://social.technet.microsoft.com/Forums/lync/en-US/7466816a-fd8c-4d9c-a605-03c0ef046ff6/>

<https://redd.it/7hpy7a>

-s



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