Tokin Limited (28:2C:02:A0:00:00 /28)

Tokin Limited 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.

Prefix28:2C:02:A0:00:00 /28

Vendor addressUnit 513-4, Block A, Focal Industrial Centre, 21 Man Lok Street, Hung Hom Kowloon HK 0000

Block range28:2C:02:A0:00:00– 28:2C:02:AF: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

28:2C:02:A0:00:00 28:2C:02:A7:FF:FF 28:2C:02:AF:FF:FF