Enterprise IPv6 address level-to-level management method and system and storage medium

The invention discloses an enterprise IPv6 address level-to-level management method and system and a storage medium, and relates to the technical field of network data, and the method comprises the steps: creating an IPv6 address plan, and generating prefix plans for different subordinate molecular companies according to an IPv6 address planning scheme of an enterprise; configuring an issuing and reporting node IP of each sub-company, and establishing an issuing and reporting connection channel between the headquarters and each sub-company; different IPv6 plans are sent to nodes of all the molecular companies according to prefixes of different molecular companies; the lower-level branch company obtains an IPv6 plan and autonomously inputs IPv6 plan data, subnet data, an IPv6 address and related business, application and asset information; and the lower-level branch company regularly issues new IPv6 data to the molecular company for use according to the IPv6 network plan, the subnet, the address and the use in