You don't "choose" your IPv6, they are assigned to you. Even if you used private IPs (ULA) for whatever reason, there are enough of those too not to conflict.

You don't "choose" your IPv6, they are assigned to you. Even if you used private IPs (ULA) for whatever reason, there are enough of those too not to conflict. By comparison my company uses the entirety of the private IPv4 space. `docker compose up` often fails because there is no private IP range left that is not directed through the VPN.