The Department of Work and Pensions, UK has an entire /8

David Conrad drc at
Wed Sep 19 18:17:12 UTC 2012

On Sep 19, 2012, at 11:02 AM, Scott Howard <scott at> wrote:
> On Tue, Sep 18, 2012 at 9:49 PM, Mike Hale < at>wrote:
>> So...why do you need publicly routable IP addresses if they aren't publicly routable?
> Because doing anything else is Harmful!  There's even an RFC that says so!
> - Network 10 Considered Harmful

Actually, the reference you probably want is - Unique Numbers are Good.  That RFC caused a bit of consternation with the RIRs at the time as some of us (at least) were trying to suggest that given IPv4 was a limited (albeit not scarce at that time) resource, if you didn't plan on connecting to the Internet, RFC 1597 space was to be encouraged.


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