ARIN allocating /20 netblocks?

Sun May 17 15:13:02 UTC 1998

On Sun, May 17, 1998 at 10:28:37AM -0400, Kim Hubbard wrote:
> >
> Sean,
> 
> 
> > Karl Denninger writes:
> > 
> > | 	Used previous allocation in < 3 months  = Add 2 bits to the size
> > | 		(ie: Used a /19 in > 3 months, get a /17 next time)
> > |
> > | 	Used previous allocation in < 6 months	= Add 1 bit to the size
> > | 		(ie: Used a /19 in < 6 months, get a /18 next time)
> > |
> > | 	Used previous allocation >= 6 months, <= 1 years = Same size
> > |
> > | 	Used previous allocation >= 1 year = Decrease one bit size UNLESS
> > | 		you were at a /19, in which case we give you another /19
> > |
> > ...
> > | So we just got Mr. Big on the net - completely - with less than a half-dozen
> > | announcements. 
> > 
> > This RIPE-like scheme is an extremely good one, and it would
> > be a fantastic idea for ARIN to continue evolving towards an
>  allocation policy very much like this.
> 
> ARIN already allocates addresses this way, although not quite as 
> aggressively as Karl suggests.  Basically, if you have utilized your
> last allocation efficiently within the 3 months your next block will
> be doubled up to a /14. In many cases, we allocate addresses from
> larger reserved blocks which also addresses the problem.  So, in many
> cases, ARIN's allocation procedures are even more aggressive than RIPE's
> or Karl's.
> 
> Kim

Where is this documented?

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