From the blog
Dark space intelligence, market notes and practical guides.
What Is IPv4 Dark Space — and Why It Matters
Every IPv4 address is allocated. Most of them are quiet. Dark space is the dormant part of the internet — and it is a market signal.
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How We Map Dormant Blocks: Passive Scanning, Explained
No exploits, no authentication, no intrusive traffic. Passive TCP probing is the polite way to ask 4.3 billion addresses whether they are home.
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The IPv4 Transfer Market in 2026: Prices, Volume, Trends
Free pools are gone, prices have recovered from the 2024 dip, and millions of addresses change hands every year. Here is where the market stands.
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IPv4 Leasing: Turning Dormant Addresses Into Monthly Revenue
If you hold IPv4 you do not use, you are sitting on inventory — not a cost. Leasing converts it into a predictable monthly income stream.
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5 Quick Checks: Is Your IP Space Actually Being Used?
Most organisations hold address space they cannot account for. These five checks reveal dormant inventory — and the risk hiding in it.
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