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IPv4 Hub

Articles & guides.

Practical guidance on leasing IPv4 address space, monetising blocks you already hold, registry policy across the five RIRs, and the routing and reputation detail that sits underneath both sides of the market.

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What Is an IP Address? The Absolute Beginner's Guide
An IPv4 address is a unique numerical label assigned to every device connected to an Internet Protocol (IP) network. IPv...
Jan 16, 2026
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Common IPv6 Leasing Myths and the Risks of Cheap IPv4
Separating IPv6 Leasing Facts from Costly IPv4 MistakesAs internet infrastructure continues to evolve, IPv6 leasing has ...
Jan 16, 2026
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Why LIR Registration Isn’t Always Needed for IPv4 Access
Understanding When LIR Registration Becomes OptionalLocal Internet Registry (LIR) registration is often associated with ...
Jan 14, 2026
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What to Do If Your Leased IP Block Gets Blacklisted
Businesses expect clean, reputation-safe IPs when they lease IPv4 space to support hosting environments, email systems, ...
Jan 12, 2026
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Iconic Autonomous System Numbers (ASNs): The Most Famous Networks Powering the Internet
The internet is a massive web of interconnected networks. At its foundation are Autonomous Systems (AS) — groups of IP...
Jan 8, 2026
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How IPv6 Influences Googlebot’s Crawling Behavior
How IPv6 Impacts Googlebot CrawlingAs the internet continues transitioning toward IPv6, search engines have adapted thei...
Jan 7, 2026
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Cogent Communications and the Rising Cost of IPv4 Leases
Even though there is a push for IPv6, the internet still relies heavily on IPv4 addresses. This has made the market for ...
Jan 6, 2026
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Why IPv6 Boosts SaaS Performance and Reliability
IPv6 for SaaS: Improve Performance and ReliabilitySoftware-as-a-Service (SaaS) platforms are among the fastest-growing s...
Jan 5, 2026
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Best Practices for Leasing IPv4 in RIPE Region
Demand for IPv4 addresses remains high throughout Europe, the Middle East, and parts of Central Asia, despite the contin...
Dec 31, 2025