IPv6 Subnet tool

[David Conrad]

Joe,

On Jan 14, 2009, at 8:47 AM, Joe Abley wrote:
> People whose habit it is to assign /56s seem like they are most  
> likely to cause annoyance to customers who are migrating from some  
> other provider who gave them (reasonably) a /48.

Not sure what the annoyance would be: going from a /56 to a /48  
doesn't require any more renumbering than going from one /48 to a  
different /48.  Where the annoyance comes in is going from a /48 to a / 
56...

Regards,
-drc