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

[marka at isc.org (Mark Andrews)]

In message <9B9685A4-CD22-41E9-957A-23103D2C8F33 at corp.arin.net>, John Curran wr
ites:
> On Sep 19, 2012, at 5:01 AM, Tim Franklin <tim at pelican.org> wrote:
> 
> >> So...why do you need publicly routable IP addresses if they aren't
> >> publicly routable?
> >=20
> > Because the RIRs aren't in the business of handing out publicly routable =
> address space.  They're in the business of handing out globally unique addr=
> ess space - *one* of the reasons for which may be connection to the "public=
>  Internet", whatever that is at any given point in time and space.
> >=20
> > RIPE are really good about making the distinction and using the latter ph=
> rase rather than the former.  I'm not familiar enough with the correspondin=
> g ARIN documents to comment on the language used there.
> 
> It's very clear in the ARIN region as well.  From=20
> the ARIN Number Resource Policy Manual (NRPM),
> <https://www.arin.net/policy/nrpm.html#four11> -
> 
>     "4.1. General Principles=20
>      4.1.1. Routability
>      Provider independent (portable) addresses issued directly from ARIN or=
>  other Regional Registries are not guaranteed to be globally routable."

Adding "or globally announced" may stop some of this in the future.
 
> FYI,
> /John
> 
> John Curran
> President and CEO
> ARIN
> 
> 
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org