UNGERMANN-BASS INC. (00:DD:01:00:00:00 /24)

UNGERMANN-BASS INC. MA-L

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

Prefix00:DD:01:00:00:00 /24

Vendor address3900 FREEDOM CIRCLE SANTA CLARA CA US 95054

Block range00:DD:01:00:00:00– 00:DD:01: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

00:DD:01:00:00:00 00:DD:01:7F:FF:FF 00:DD:01:FF:FF:FF

Other blocks registered to UNGERMANN-BASS INC.

00:BB:F0:00:00:00 /24 MA-L 00:DD:00:00:00:00 /24 MA-L 00:DD:02:00:00:00 /24 MA-L 00:DD:03:00:00:00 /24 MA-L 00:DD:04:00:00:00 /24 MA-L 00:DD:05:00:00:00 /24 MA-L 00:DD:06:00:00:00 /24 MA-L 00:DD:07:00:00:00 /24 MA-L 00:DD:08:00:00:00 /24 MA-L 00:DD:09:00:00:00 /24 MA-L 00:DD:0A:00:00:00 /24 MA-L 00:DD:0B:00:00:00 /24 MA-L