Request for Comments on a topological address block for N. Calif.
Kim Hubbard
kimh at internic.net
Mon Sep 25 13:06:41 UTC 1995
>
Sean,
Currently Sprint receives the largest sized CIDR block the InterNIC
is permitted to allocate. If you have a requirement for an even
larger block than please submit the justification and I will be glad
to pass it onto the IANA for approval.
Kim Hubbard
InterNIC Registry
> Unfortunately, the allocations we've been getting haven't
> been very big, and so we end up having to introduce things
> as long as 17 bits to the world, where we might have only
> had to announce /16s and /15s with a larger delegation
> from a registry.
>
> Block Name Total Free Used Free Blocks
> Cs Cs 1 2 4 8 16 32 64 128 256 512 1024
> --------------------------------------------------------------------------
> East 2863 233 91% 1 1 1 1 1
> West 2176 51 97% 1 1 1 1
> South 2176 47 97% 1 1 1 1 1
> North 1920 218 88% 1 1 1 1 1
> NorthEast 1408 211 85% 1 1 1 1 1
> SouthWest 768 173 77% 1 1 1 1 1
> NYSERNet 512 129 74% 1 1
> ICM-Atlantic 128 122 4% 1 1 1 1 1
> --------------------------------------------------------------------------
> TOTAL 11951 1184 90% 6 5 2 5 4 5 4 5
>
>
> So, beacause we are clever and do a mix of provider-based
> and geography-based allocation (but it is a mix of both,
> with an emphasis on the provider part), we end up with
> blocks that are starving, but a single huge allocation that
> isn't full enough to have a new large allocation done by the
> registry.
>
> Sean.
>
>
More information about the NANOG
mailing list