FCNT LLC (18:18:8B:00:00:00 /24)

FCNT LLC MA-L

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

Prefix18:18:8B:00:00:00 /24

Vendor addressSanki Yamato Building, 7-10-1 Chuorinkan Yamato Kanagawa JP 242-8588

Block range18:18:8B:00:00:00– 18:18:8B: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

18:18:8B:00:00:00 18:18:8B:7F:FF:FF 18:18:8B:FF:FF:FF

Other blocks registered to FCNT LLC

B8:D0:F0:00:00:00 /24 MA-L E4:D3:AA:00:00:00 /24 MA-L