Complex sentence: The resulting 48-bit identifier provides 4096 unique numbers for use by the organization that purchased the IAB as this identifier also has an additional 12 bits available for use by the organization that purchased the IAB (the assignee).
Split into simpler sentences: The resulting 48-bit identifier provides 4096 unique numbers for use by the organization that purchased the IAB. This identifier also has an additional 12 bits available for use by the organization that purchased the IAB (the assignee).