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In ProVision, the IP assignment lifecycle starts with an available block . When assigning the block to a resource, there which is free to be assigned to any IPAM-enabled resource holder. There are multiple methods that may be used to assign a block to a resource holder: Smart Assign, Direct Assign, or Manual Assign (Smart Browse). Once assigned to a Resourcean IP block is assigned, blocks can be further subassigned via the same methods if desired. When a an assigned block is unassigned, un-assigned it proceeds into the Holding Tank, : a special resource where blocks are held until either a set time has elapsed , or until they are manually reclaimed to 'available' status.
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