Do you need secure remote (SSH, SFTP, etc.) access to or from your MacStadium servers to machines at a third party provider like Amazon Web Services, Google Cloud Platform, or Microsoft Azure?
Your Public IP addresses are yours to use and are not shared. Once assigned to a subscription or account, they are not used for any other purpose. You're free to whitelist those IP's on your remote AWS, GCP, or Azure servers for remote access to your MacStadium dedicated servers and/or virtual machines.