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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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DNSBL Checks Explained Before Selling IPv4 Addresses
Why DNSBL Reviews Are Critical Before an IPv4 SaleSelling IPv4 addresses is no longer just a matter of ownership and pap...
Feb 2, 2022
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How DNS Works Behind the Scenes of the Modern Internet
A Simple Look at How DNS Operates in the BackgroundEvery time you visit a website, send an email, or open an app, the Do...
Jan 31, 2022
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Why Inter-RIR IPv4 Transfers Take More Time Than Expected
Understanding the Delays Behind Inter-RIR IPv4 TransfersAs IPv4 addresses become increasingly scarce, organizations ofte...
Jan 28, 2022
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How IPv6 Policy Development Shapes the Future Internet
Understanding the Process Behind IPv6 Policy DevelopmentAs the internet continues to grow at an unprecedented pace, IPv6...
Jan 26, 2022
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What ICANN Actually Does for the Global Internet
Understanding ICANN’s Real Role in Internet StabilityThe internet works seamlessly for billions of users every day, ye...
Jan 24, 2022
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ASN Sponsorship Explained for Organizations That Are Not ISPs
How ASN Sponsorship Enables Routing for Non-ISP NetworksAs more businesses operate their own infrastructure, routing con...
Jan 21, 2022
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ASN Sponsorship Explained for Businesses That Are Not ISPs
ASN Sponsorship Explained for Businesses That Are Not ISPsAs businesses take greater control of their infrastructure, in...
Jan 19, 2022
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The Hidden System Behind Internet Regulation Explained
How Internet Regulation Actually Works Behind the ScenesMost people use the internet every day without thinking about wh...
Jan 17, 2022
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IPv4 Subnet Splitting: Benefits, Tradeoffs, and Risks
IPv4 subnet splitting is a common way to design networks that helps with address use, keeps traffic separate, and works ...
Jan 14, 2022