Tech4home, Lda (80:F1:F1:00:00:00 /24)

Tech4home, Lda MA-L

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

Prefix80:F1:F1:00:00:00 /24

Vendor addressRua de Fundoes N151 Sao Joao da Madeira Aveiro PT 3700-121

Block range80:F1:F1:00:00:00– 80:F1:F1: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

80:F1:F1:00:00:00 80:F1:F1:7F:FF:FF 80:F1:F1:FF:FF:FF

Other blocks registered to Tech4home, Lda

30:D9:7F:00:00:00 /24 MA-L 9C:7D:C0:00:00:00 /24 MA-L