[arin-ppml] Revised - Draft Policy ARIN-2025-1: Clarify ISP and LIR Definitions and References to Address Ambiguity in NRPM Text

[Mohibul Mahmud]

Hi Owen,

Thank you for sharing your perspective. It’s encouraging to see some
alignment on moving forward with a consistent term, supported by a clear
definition note.

Best regards,
Mohibul

On Thu, Sep 18, 2025 at 9:05 PM Owen DeLong <owen at delong.com> wrote:

>
>
> On Sep 18, 2025, at 04:04, Mohibul Mahmud <mohibul.mahmud at gmail.com>
> wrote:
>
> Hello All,
>
>
> Thank you for the thoughtful perspectives shared — I hear strong points on
> both sides:
>
>
> • LIR aligns with global terminology and avoids the vernacular baggage of
> “ISP.”
> • ISP is consistent with ARIN’s historic usage and avoids confusion with
> structures (like NIRs) that don’t exist in our region.
>
>
> I think that any potential confusion with NIRs is a bit of a red herring.
>
>
> To bridge this, I’d suggest we converge on a practical editorial approach:
> • Select one preferred term for the NRPM (ISP or LIR).
> • Add a clear definition note stating that ISP and LIR are used
> interchangeably in ARIN policy.
>
>
> This way, ARIN policy remains globally intelligible while providing
> clarity to our community.
>
>
> Would others support moving in this direction?
>
>
> Since that’s pretty much what I suggested from the start, just with the
> strong preference for LIR being the primary choice, yes, I think that’s
> exactly what we should do.
>
> I think there’s been general consensus for this and the debate has largely
> been about which term is preferred.
>
> Owen
>
>
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