Elastic IPv4
Amazon AWS offers Elastic IPs for all their EC2 instances, as dedicated IPs for inbound and outbound IPv4 communication. I believe that NuNet might eventually need to offer a similar service, in order for companies and individuals to have access to VMs and also for Internet communication via these IP addresses.
Several providers across the global, such as my company, own spare IPv4 resources that they aren't using. If we could assign these IPs to paying customers, NuNet would get closer to what AWS already offers. I'd happily allocate an entire /22 subnet for NuNet if the capability existed.