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IPv6 addresses and why you need to make the switch now

· 14 min read
Jens Langhammer
CTO at Authentik Security Inc

authentik is an open source Identity Provider that unifies your identity needs into a single platform, replacing Okta, Active Directory, and auth0. Authentik Security is a public benefit company building on top of the open source project.


IPv6 addresses have been commercially available since 2010. Yet, after Google’s IPv6 rollout the following year, the adoption by System Administrators and security engineers responsible for an entire organization’s network has been slower than you might expect. Population size and the plethora of work and personal devices that accompany this large number of workers do not accurately predict which countries have deployed this protocol.

In this blog post, I explain briefly what IP addresses are and how they work; share why at Authentik Security we went full IPv6 in May 2023; and then set out some reasons why you should switch now.