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using ARIN IP space outside of ARIN region

On Mar 18, 2013, at 3:41 PM, Andy Litzinger <Andy.Litzinger at theplatform.com> wrote:
> We're looking at building into a DC in Europe this year and I wanted to run a few questions by the community and make sure I'm not too far off course.
> We currently have v4 space from ARIN and operate a multihomed datacenter in the US.  This thread from September 2012, though the reverse of my situation, makes it seem like I should be able to work with ARIN to satisfy all of our v4 and v6 needs regardless of where in the world I plan to advertise the space.  Obviously this would be really convenient for us since we already have a relationship with ARIN.  http://mailman.nanog.org/pipermail/nanog/2012-September/052137.html

Note that I am speaking here as an ARIN member and resource-recipient (PCH), AND NOT as an ARIN board member.  I have no inside track on the interpretation of ARIN rules, and don't pretend to.

> So my questions are:
> * Is it ok/recommended to advertise v4 ARIN space (say a /23)  to my upstream ISPs in Europe? 

We do so, without any problems.

> * Is it ok/recommended to advertise v6 ARIN space to my upstream ISPs in Europe?

We do so, without any problems.

> * Should I use a single AS for both North America and European data centers?

We do so, without any problems.

HOWEVER, we've been told in the past that space received from ARIN and used outside the ARIN region did not qualify as "utilization" for the purposes of justifying new allocations, nor were locations outside the ARIN region entitled to new allocations.  We were told to get space for POPs outside of ARIN's region from the other respective RIRs.  And indeed, those other RIRs have, by and large, been quite cooperative with giving us space for use within their regions, even in the cases when we had no business incorporated entity within their region.

This experience is two or three years old, now, so interpretation and policy changes may have had some effect since then.