What network is OMG on?

Could you please clarify which network OMG, or OmiseGO, is currently operating on? Given the dynamic nature of the cryptocurrency landscape, it's important to stay informed about the platforms and blockchains that various tokens and projects utilize. Understanding the underlying network can provide valuable insights into a project's scalability, security, and potential for adoption. So, could you elaborate on OMG's current network status and any plans for future migrations or integrations?