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Find out what is spare before you decide anything.
Most organisations underestimate what they hold and overestimate what they use. The assessment settles both questions, and it carries no fee.
What the assessment actually produces
A report covering four things: how much of your allocated space is in use and where it sits internally, whether that space is used efficiently or whether consolidation would free whole prefixes, what to change to get more out of the allocations you keep, and what your own needs look like over one, three and five years. Nothing is listed and nothing is committed until you decide it should be.
Why the audit comes before the price
Almost every conversation that starts with "what is a /22 worth" is the wrong conversation. The number that matters is not the market average, it is what you can release without buying it back in three years. Two companies holding identical blocks can have completely different answers, because one of them is about to launch in a new region and the other has just consolidated a data centre.
That is the work this practice does. Two IP utilization experts lead our engineering and IP management technicians, and their output is what the other practices act on.
What we look at
- Utilization. How much of each allocation is actually routed and in use, and how it is distributed across business units, sites and services.
- Efficiency. Whether the space in use is used well. Fragmentation, oversized assignments and abandoned ranges are the usual findings.
- Consolidation. What can be renumbered or compacted to free contiguous prefixes, which are worth materially more than the same address count scattered.
- Growth. A model over one, three and five years, so a release today does not become an acquisition tomorrow.
IPv6 is not a reason to skip this
IPv6 passed half of measured client capability in spring 2026, which sounds like the end of the story and is not. A network that wants to be reachable by everyone still needs IPv4 at both ends of the connection, which is why dual-stack rather than IPv6-only remains the practical default. Planning an IPv6 transition and holding the right amount of IPv4 for the interim are the same project, not competing ones.
Where a transition plan is in scope, it is built on the same utilization data: what has to stay dual-stack, what can go IPv6-only sooner, and what that does to the IPv4 you need to keep.
What happens next
- You send the prefixes you hold, the issuing registry, and a rough utilization estimate. That is enough to start.
- We come back with the report and a recommendation, including the option to do nothing this year.
- If releasing space is the right answer, the transaction moves to the desk at ipaddressbroker.net. If holding is the right answer, we say so.
Request an assessment, or read what drives the number on the valuation page.
No fee, no obligation
Send the prefixes. We will tell you what is spare.
A rough utilization estimate is enough for a first conversation. You get a report, not a pitch.