LINAK A/S

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.

Prefix90:15:64:C0:00:00 /28

Vendor addressSmedevænget 8 6430 Guderup Guderup Jylland DK 6430

RegisteredFeb 8, 2024

Block range90:15:64:C0:00:00– 90:15:64: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

90:15:64:C0:00:00 90:15:64:C7:FF:FF 90:15:64:CF:FF:FF

Where this block sits

Previous 90:15:64:B0:00:00 /28 Shanghai AMP&MOONS'Automation Co.,Ltd. Next 90:15:64:D0:00:00 /28 Jiangsu Kangjie Data Co., Ltd.

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

LINAK A/S holds 1 registered blocks in the IEEE registry, ranking #18,521 of 33,421 organizations by block count.