A crazy idea

Mon Jul 19 14:15:55 UTC 2021

Hello,

On Mon, 19 Jul 2021 at 15:04, Stephen Satchell <list at satchell.net> wrote:
> The allocation of IPv6 space with prefixes shorter than /64 is indeed a
> consideration for bigger administrative domains like country
> governments, but on the other end, SOHO customers would be happy with
> /96, /104 or even /112 allocations if they could get them.

Well, for SLAAC you need a /64, so if you want to be able to use
multiple subnets in your environment, you need a prefix shorter than
/64.

RIPE's recommendation is /56 for residential customers:
https://www.ripe.net/publications/docs/ripe-690#4-2-2---48-for-business-customers-and--56-for-residential-customers

and *strongly discourages* to assign prefixes longer than /56
https://www.ripe.net/publications/docs/ripe-690#4-2-3--prefixes--longer-than--56

cheers,
lukas