Bosch Security Systems (50:FA:CB:90:00:00 /28)

Bosch Security Systems 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.

Prefix50:FA:CB:90:00:00 /28

Vendor addressEstrada Nacional 109/IC 1 Ovar Aveiro PT 3880-728

Block range50:FA:CB:90:00:00– 50:FA:CB:9F: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

50:FA:CB:90:00:00 50:FA:CB:97:FF:FF 50:FA:CB:9F:FF:FF

Other blocks registered to Bosch Security Systems

00:04:63:00:00:00 /24 MA-L