[arin-ppml] Draft Policy ARIN-2012-6: Revising Section 4.4 C/I Reserved Pool Size

Scott Leibrand scottleibrand at gmail.com
Thu Oct 18 20:13:05 EDT 2012

What about encouraging TLD operators to acquire /24s on the transfer market? Is there a reason we should be subsidizing them relative to other legitimate uses of IPv4 space?

Not necessarily opposed to the proposal, but not sure this aspect has been discussed enough. 


On Oct 18, 2012, at 6:37 PM, David Farmer <farmer at umn.edu> wrote:

> On 10/18/12 13:25 , Christopher Morrow wrote:
>> I suspect that the normal operating procedure is to put one NS on each
>> /24(or48?), and likely a set of these per TLD.
>> You don't want some problem with atld to affect btld just because you
>> put them both on the same /24||/48 :(
>> Looking at the rootzone (http://www.internic.net/zones/root.zone):
>> Zone count: 272
>> NSHost count: 1182
>> NSAddr count: 1620
>> of the addresses there I see some re-use of the actual /32 || /128, 59
>> occurances of the same /32 or /128.
>> 488 v6 addresses
>> 274 unique /48s in that set
>> 1132 v4 addresses
>> 713 unique /24s
> When I looked at this anecdotally, I though I saw way more of them with multiple servers per /24.  So thanks for making the counts, given this then we should be thinking about a bigger block for sure.
>> I think the timeframe is not 2-5 yrs, but 'how long is it that v4 is
>> still relevant/required at the TLD level?" and I'd expect that to last
>> much further out than 2-5yrs... I was thinking at least 10 if not 20
>> yrs.
> I'm ok with a goal of 10 to 20 years, but then I think we need to be talking even a bigger block.
> I think Marty is right, that a /14 or more is necessary to deal with what ICANN is talking about, and that coincides with the 2-5 years I was talking about.  If we want 10 to 20 years worth I think we need to be talking about something more like /13 then.
> Either that, or push CI to make higher density use of the blocks.
>> thanks for the conversation so far!
>> -chris
> Yes, a good conversation.
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