Silicon Laboratories

MA-L

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

Prefix04:0D:84:00:00:00 /24

Vendor address400 West Cesar Chavez Street Austin TX US 78701

RegisteredSep 30, 2021

Block range04:0D:84:00:00:00– 04:0D:84: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

04:0D:84:00:00:00 04:0D:84:7F:FF:FF 04:0D:84:FF:FF:FF

Where this block sits

Silicon Laboratories holds 158 registered blocks in the IEEE registry, ranking #22 of 33,427 organizations by block count.

Other blocks registered to Silicon Laboratories

00:0B:57:00:00:00 /24 MA-L 00:3C:84:00:00:00 /24 MA-L 00:BE:44:00:00:00 /24 MA-L 04:87:27:00:00:00 /24 MA-L 04:CD:15:00:00:00 /24 MA-L 04:E3:E5:00:00:00 /24 MA-L 08:6B:D7:00:00:00 /24 MA-L 08:B9:5F:00:00:00 /24 MA-L 08:DD:EB:00:00:00 /24 MA-L 08:FD:52:00:00:00 /24 MA-L 0C:2A:6F:00:00:00 /24 MA-L 0C:43:14:00:00:00 /24 MA-L