Scott,

To clarify, the current draft policy is to propose the addition of a definition 
for IP addresses that are reserved for specific purposes by ARIN:

Policy Statement:


Add the following definition to Section 2


2.18 Reserved IPv4 and IPv6 Addresses
Addresses that are reserved by ARIN for specific purposes including, but not 
limited to; maintaining critical infrastructure, facilitating IPv6 deployment, 
or temporary experimental purposes as approved by ARIN.


Timetable for Implementation: Immediate.

The change to text I included in my request for feedback was an example of how 
the definition could be put into place, only if the proposed definition were 
added to the NRPM. We felt that gaining community input on the definition 
itself would be the first step and if it the definition were to be accepted 
then a follow-up policy to enact the changes in the NRPM would be submitted.

If you have thoughts about the current language in the proposed definition that 
would be helpful in determining whether or not we should move forward.

Thanks,
Kaitlyn

Kaitlyn Pellak
Amazon – Technical Business Developer II
[email protected]<mailto:[email protected]>
301.921.5566

[/Users/tinam/Library/Containers/com.microsoft.Outlook/Data/Library/Caches/Signatures/signature_1323502979]



From: Scott Leibrand <[email protected]>
Date: Wednesday, February 26, 2025 at 7:09 PM
To: Kaitlyn Pellak <[email protected]>
Cc: ARIN <[email protected]>, "[email protected]" <[email protected]>
Subject: RE: [EXTERNAL] [arin-ppml] Revised - ARIN-2024-7: Addition of 
Definitions for General and Special Purpose IP Addresses


CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you can confirm the sender and know the 
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That would be a very substantial change. It should be proposed separately.

I don't see the point of making changes to definitions that aren't referenced 
anywhere. If you want to add a new definition in order to more clearly make a 
substantive policy change, then that definition (and the text referencing it) 
should be included in the substantive policy proposal. If we decide not to make 
the substantive change, we don't need to change definitions either.

-Scott

On Wed, Feb 26, 2025 at 9:22 AM Pellak, Kaitlyn via ARIN-PPML 
<[email protected]<mailto:[email protected]>> wrote:
Hello PPML,

I am soliciting any additional feedback the community may have on the below 
policy. Please note, we received one comment suggesting that rather than using 
the term "2.18 Reserved IPv4 and IPv6 Addresses" we could instead use the term 
"Defined Purpose IPv4 and IPv6 Addresses." If anyone in the community feels 
this is better language (or has a suggestion for different language) please 
respond accordingly.

If the community are able to agree on language surrounding a definition there 
would be subsequent policies to update the language in the NRPM to match. The 
author provided an example of what that may look like as follows:

"Section 4.3.2

Change paragraph 1 text
FROM: “End-user organizations without an IPv4 allocation from ARIN qualify for
an initial allocation of ARIN’s minimum allocation size.”
TO: “End-user organizations without a Reserved (or Defined Purpose) IPv4 
allocation
from ARIN qualify for an initial allocation of ARIN’s minimum allocation size.”"

Given the lack of responses we've received thus far I would also like to pose 
the question to the community: do you feel that this is a policy the AC should 
continue to work on?

Again, if the community feels strongly one way or another please respond in the 
PPML so we can gain a sense of whether or not this policy has community support.

Much appreciated,
Kaitlyn

Kaitlyn Pellak
Amazon – Technical Business Developer II
[email protected]<mailto:[email protected]> 
<mailto:[email protected]<mailto:[email protected]>>
301.921.5566









On 12/13/24, 1:42 PM, "ARIN-PPML on behalf of ARIN" 
<[email protected]<mailto:[email protected]> 
<mailto:[email protected]<mailto:[email protected]>> on 
behalf of [email protected]<mailto:[email protected]> 
<mailto:[email protected]<mailto:[email protected]>>> wrote:


CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you can confirm the sender and know the 
content is safe.






The following Draft Policy has been revised:


* ARIN-2024-7: Addition of Definitions for General and Special Purpose IP 
Addresses


Revised text is below and can be found at:


https://www.arin.net/participate/policy/drafts/2024_7/ 
<https://www.arin.net/participate/policy/drafts/2024_7/>


You are encouraged to discuss all Draft Policies on PPML. The AC will evaluate 
the discussion to assess the conformance of this Draft Policy with ARIN's 
Principles of Internet number resource policy as stated in the Policy 
Development Process (PDP). Specifically, these principles are:


* Enabling Fair and Impartial Number Resource Administration
* Technically Sound
* Supported by the Community




The PDP can be found at:


https://www.arin.net/participate/policy/pdp/ 
<https://www.arin.net/participate/policy/pdp/>




Draft Policies and Proposals under discussion can be found at:


https://www.arin.net/participate/policy/drafts/ 
<https://www.arin.net/participate/policy/drafts/>




Regards,


Eddie Diego
Policy Analyst
American Registry for Internet Numbers (ARIN)




Draft Policy ARIN-2024-7: Addition of Definitions for General and Special 
Purpose IP Addresses


Problem Statement:


The Number Resource Policy Manual (NRPM) often treats general purpose and 
special purpose IP addresses differently. Unfortunately, we don’t have a 
convenient to use term to describe these categories, so policy often becomes 
either excessively wordy or does not correctly capture the intent. Examples of 
this can be found in section 4.1.8 of the NRPM, and in (currently pending) 
Draft Policies ARIN-2023-8 (where the fact that 4.4 and 4.10 space isn’t 
counted against an organization is repeated numerous times) and ARIN-2022-12 
(where the text does not exclude 4.4 and 4.10 allocations from being counted 
against an organization, but it is the intent that those allocations should be 
ignored). Additionally, temporary allocations under section 11 are rarely 
carved out, even when 4.4 and 4.10 are, even though it is likely the policy’s 
intent that these too should be ignored.


Policy Statement:


Add the following definition to Section 2


2.18 Reserved IPv4 and IPv6 Addresses
Addresses that are reserved by ARIN for specific purposes including, but not 
limited to; maintaining critical infrastructure, facilitating IPv6 deployment, 
or temporary experimental purposes as approved by ARIN.


Timetable for Implementation: Immediate.






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