AtomVPN

It seems there might be a misunderstanding or a typo in your query regarding "AtomVPN." To clarify, "AtomVPN" does not appear to be a widely recognized or established service. If you have a specific question or context in mind regarding VPNs in general, feel free to provide more details, and I can offer helpful information. However, if you meant a different service or concept, please provide additional context so I can assist you better!