Re: CIDR Utilization

[joel jaeggli <joelja () bogus com>]

most reasonable ipam tools will track or express unallocated vs
allocated space.

netdot has a lovely address-space container/block view for managing free
vs allocated space

joel

On 10/31/15 9:51 AM, John Steve Nash wrote:
> Hi,
>
> I'm looking for any tool or a way I could specify a CIDR and the prefixes
> that are being used within this CIDR and the tool show me all free
> supernets.
>
> Example:
>
> 192.168.0.0/24 - CIDR
>
> Used subnet's:
>
> 192.168.0.1/32
> 192.168.0.8/27
> 192.168.0.64/26
> 192.168.0.68/32
> 192.168.0.96/29
>
> Tool Result => Free Subnet's:
>
> 192.168.0.2/31
> 192.168.0.4/30
> 192.168.0.32/27
> 192.168.0.128/25
>
> Regards,
>
> John

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