In technology:
* Unassigned IP Address: An internet protocol address that is not currently assigned to any device on a network.
* Unassigned Task: A task or job that has not been assigned to a specific person or team.
* Unassigned Variable: A variable in a programming language that has not been given a value.
In other contexts:
* Unassigned Seat: A seat on a plane, bus, or other form of transportation that has not been booked by a passenger.
* Unassigned Room: A hotel room that is available for booking.
* Unassigned Responsibility: A task or duty that has not been assigned to a particular person or group.
Essentially, "unassigned" means something is free and available for use or allocation.