How to activate an IPv6 block
Click Dedibox in the Compute section of the side menu. The Dedibox overview displays.
Click the IPv6s tab to enter the IPv6 section of the console.
Click + Activate my IPv6 block. A pop-up displays.
Click Activate my free IPv6 block to obtain a /48 IPv6 block.
Your IPv6 block will be activated and displayed on the IPv6 page.
The DUID of your prefix (and each of its subnets) is like a private key and grants you access to your prefix. Keep it secret and do not share it.