As we mentioned previously, ProVM now supports up to 5 additional IPs per VM, which means separate services, isolated clients, and blue-green deploys all fit on one machine. Fewer VMs to patch, same separation where it counts.

What you can do with additional IPs, full blog post:
https://www.doprax.com/blog/five-ips-one-vm-a-lot-of-room-to-move