Re: Managing allocatiions out of a CIDR block

["Michael K. Sanders" <msanders () aros net>]

In message <199802100855.TAA02809 () kuji off connect com au>, Mark Prior writes:
> I am trying to rewrite the system that we use to allocate blocks from
> our provider blocks to customers. Previously the smallest block we
> allocated was a class C and so this process was pretty easy but now I
> want to be able to optimally use our allocations and allocate blocks
> down to a /30. Does anyone have any ideas, or code, that will manage
> multiple CIDR blocks and keep track of the currently unused parts of
> the block and given a requirement find an appropriate allocation
> (while not fragmenting it like crazy). It would be also useful if it
> could collect together POP specific blocks so that, for example, two
> parts of the same class C were at the same POP.
>
> Ideas, suggestions?

While I don't know of any existing code offhand (I keep meaning
to write something, but never have the time, yada yada), you might
want to take a look at RFC 1219 for address allocation.

:: Mike ::