macadress

SATCHWELL CONTROL SYSTEMS, LTD

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:50:B4:00:00:00 /24
Vendor addressP.O. BOX 57, 94 FARNHAM ROAD BERKSHIRE SL1 4UH GB
Country🇬🇧  United Kingdom
RegisteredSep 8, 2000
Block range00:50:B4:00:00:00– 00:50:B4: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

00:50:B4:00:00:00 00:50:B4:7F:FF:FF 00:50:B4:FF:FF:FF

Where this block sits

Previous 00:50:B3:00:00:00 /24 VOICEBOARD CORPORATION Next 00:50:B5:00:00:00 /24 FICHET SECURITE ELECTRONIQUE

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

SATCHWELL CONTROL SYSTEMS, LTD holds 1 registered blocks in the IEEE registry, ranking #25,218 of 33,427 organizations by block count.