minimum IPv6 announcement size

William Herrin bill at
Fri Sep 27 15:11:50 UTC 2013

On Fri, Sep 27, 2013 at 10:40 AM, Brandon Ross <bross at> wrote:
> Okay, I'm just curious, what size do you (and other's of similar opinion)
> think the IPv6 space _should_ have been in order to allow us to not have to
> jump through conservation hoops ever again?  128 bits isn't enough, clearly,
> 256?  1k?  10k?

Hi Brandon,

There is no bit length which allocations of /20's and larger won't
quickly exhaust. It's not about the number of bits, it's about how we
choose to use them.

Bill Herrin

William D. Herrin ................ herrin at  bill at
3005 Crane Dr. ...................... Web: <>
Falls Church, VA 22042-3004

More information about the NANOG mailing list