MMSI number for your VHF or check if the boat has one

How to get a MMSI number for your boat, where and how to register with the FCC if you boat in international waters. https://www.vagabondepicurean.com/ Also how to check if the boat has an MMSI number from the previous owner if staying within the USA https://www.boatus.com/mmsi International - http://www.navcen.uscg.gov/?pageName=mtMmsi