Merges specified IPv4 blocks or IPv4 networks into a single IPv4 block or IPv4 network. The list of objects to be merged must all be of the same type (for example, all blocks or all networks). The objects must all have the same parent and must be contiguous.
Type: integer (int64)
The ID of the IPv4 block or IPv4 network that will retain its identity after the merge.
An array containing a list of IPv4 block or network IDs.