N3com (18:5D:6F:00:00:00 /24)

N3com MA-L

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

Prefix18:5D:6F:00:00:00 /24

Vendor address18/5 Prospekt Andropova, room 13/9 Moscow RU 115432

Block range18:5D:6F:00:00:00– 18:5D:6F: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

18:5D:6F:00:00:00 18:5D:6F:7F:FF:FF 18:5D:6F:FF:FF:FF

Other blocks registered to N3com

4C:74:A7:C0:00:00 /28 MA-M