Airbus Defence and Space Oy

MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

Prefix28:FD:80:C0:00:00 /28

Vendor addressHiomotie 32 Helsinki FI 00380

RegisteredOct 16, 2015

Block range28:FD:80:C0:00:00– 28:FD:80:CF:FF:FF

Address capacity1,048,576

AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority

TransmissionUnicast: addressed to a single device

SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Example addresses in this block

28:FD:80:C0:00:00 28:FD:80:C7:FF:FF 28:FD:80:CF:FF:FF

Where this block sits

Previous 28:FD:80:B0:00:00 /28 Poket Hardware GmbH Next 28:FD:80:D0:00:00 /28 Grandway Technology (Shenzhen) Limited

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Airbus Defence and Space Oy holds 1 registered blocks in the IEEE registry, ranking #4,485 of 33,427 organizations by block count.