Quadrant Components Inc. Ltd (D4:12:BB:00:00:00 /24)

Quadrant Components Inc. Ltd MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

PrefixD4:12:BB:00:00:00 /24

Vendor addressUnit 5, 17/F, Metro Loft, Kwai Chung, New Territory HK

Block rangeD4:12:BB:00:00:00– D4:12:BB:FF:FF:FF

Address capacity16,777,216

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

D4:12:BB:00:00:00 D4:12:BB:7F:FF:FF D4:12:BB:FF:FF:FF