[arin-ppml] IPv6 Transfers (was :Draft Policy ARIN-2018-1: Allow Inter-regional ASN Transfers

hostmaster at uneedus.com hostmaster at uneedus.com
Tue Feb 6 12:02:45 EST 2018

I agree that IP addresses and ASN's are not associated with each other to 
the extent that changes in one, must trigger a change in the other.  Thus, 
I disagree that an ASN transfer must only occur on "clean" ASNs without 
any associated IP networks.

For example, I might have an ASN because I am multihomed.  If at some 
future date, I decide that I will from now on only use one upstream, I no 
longer require an ASN.  In that case, I could either return or transfer if 
permitted my ASN to another organization who needs it, and nothing would 
link that transfer to any IP resources that I hold.

Based on comments, it appears that even with the technical progress in 
making all the various systems work with a 32 bit ASN, cases still exist 
that certain routing features only work properly with a 16 bit ASN.  Thus 
the proposal to allow transfers was in part to allow those needing a 16 
bit ASN to obtain one from someone who is not using it.

If we decide to allow ASN transfers in the ARIN region, I do not think it 
needs to be linked in any way to IP resource holdings.

Albert Erdmann
Network Administrator
Paradise On Line Inc.

On Thu, 1 Feb 2018, Job Snijders wrote:

> On Thu, Feb 01, 2018 at 06:21:06PM +0000, Roberts, Orin wrote:
>> You could, but then IPv6 routing/fragmentation becomes an issue.
> How so?
>> Unless when an ASN is transferred from ARIN all IP networks associated
>> to that ASN are revoked/removed/deleted from ARIN.  ie. I can acquire
>> an ASN that currently exists at ARIN minus any associated IP networks,
>> move it to APNIC/RIPE, then associate IP networks from APNIC/RIPE.
>> ~the same for the reverse.
>> A proviso would then be, only a clean(ed) ASN can be transferred in/out.
> Why would one delete networks when an ASN is transferred? The IPs were
> assigned according to whatever policy was applicable at that moment. IP
> prefixes and ASNs are assigned independently from each other, according
> to different policices, and as such it is logical that they are
> transferable independently from each other.
> Kind regards,
> Job
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