[arin-ppml] 2014-3 Remove 8.2/8.3/8.4 Minimum IPv4 Block Size Requirements

Michael Peddemors michael at linuxmagic.com
Wed Mar 19 15:23:40 EDT 2014

Personally, not sure if we should allow any transfer in a world of 
diminishing resources, use it or loose it..

But I speak definitely in favor of NOT allowing transfers less than /24, 
and since SWIP isn't allowed for /32 right now... (correct?)

I suggest no smaller than a /29

On 14-03-19 11:04 AM, David Huberman wrote:
> Hi Scott,
> If I understand your argument – and I’m not sure I do, sorry – you’re
> saying that it’s good to have a policy that SPs can point to and say,
> “no, you can’t take that /32 we assigned to you with you”?  If that’s
> what you’re arguing, then why is a /24 any different than a /32? We see
> /24s assigned by SPs to their customers all the time.
> Secondly, if this is your argument, why is this not a matter for legal
> and contracts, rather than a number registry which is not appointed by
> the IETF or NANOG or any other engineering body as the regulator of what
> size block is acceptable to regulate? I’m not being flippant and I’m not
> trying to be a jerk.  I think this kind of reasoning (and 1000 apologies
> if I misunderstood your argument) is way outside the purview of ARIN.
> Thanks!
> /david
> *David R Huberman*
> Microsoft Corporation
> Senior IT/OPS Program Manager (GFS)
> *From:*Scott Leibrand [mailto:scottleibrand at gmail.com]
> *Sent:* Wednesday, March 19, 2014 11:00 AM
> *To:* David Huberman
> *Cc:* ARIN-PPML List
> *Subject:* Re: [arin-ppml] 2014-3 Remove 8.2/8.3/8.4 Minimum IPv4 Block
> Size Requirements
> I am not speaking in favor of the status quo (a /24 minimum transfer size).
> However, IMO having a /32 IPv4 minimum transfer size (no limit) would be
> a bad idea.  There have been several cases where entities who are
> completely ignorant of Internet routing think they have some "right" to
> a particular /32, and wish to transfer it.  IMO, having *some* minimum
> transfer size is a good way to prevent such efforts from being imposed
> on the rest of us.  (If ARIN can point to policy saying "that simply
> isn't allowed", they're in a much better position than trying to argue
> the particulars of each case.)
> I would have no problem reducing the minimum IPv4 transfer size, just
> not all the way to /32.  So I oppose the proposal as written, but could
> support a revised version.
> -Scott

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