I guess that works until other customers need access to IPv6-only resources… (e.g.: we've stopped rolling IPv4 to any of our CI. No IPv6, no build artifacts…)
In a perfect world I'd also be asking whether you considered NAT64, but unfortunately I'm well aware that's a giant world of pain to get to work on Linux (involving either out-of-tree Jool, or full-on VPP)
At my company (Fortune 100), we've been selling a lot of our public v4 space to implement... RFC1918 space. We've re-IP'd over 50,000 systems so far to private space. We just implemented NAT for the first time ever. I was surprised to see how far behind some companies are.
