OMNIVISION (18:89:DF:00:00:00 /24)

OMNIVISION MA-L

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

Prefix18:89:DF:00:00:00 /24

Vendor address18F Attend on tower, 2-8-12, Shin Yokohama Yokohama Kohoku-ku JP 222-0033

Block range18:89:DF:00:00:00– 18:89:DF: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

18:89:DF:00:00:00 18:89:DF:7F:FF:FF 18:89:DF:FF:FF:FF

Other blocks registered to OMNIVISION

8C:1F:64:38:70:00 /36 MA-S