RIM (40:5F:BE:00:00:00 /24)

RIM MA-L

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

Prefix40:5F:BE:00:00:00 /24

Vendor address295 Phillip Street Waterloo Ontario CA N2L 3W8

Block range40:5F:BE:00:00:00– 40:5F:BE: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

40:5F:BE:00:00:00 40:5F:BE:7F:FF:FF 40:5F:BE:FF:FF:FF

Other blocks registered to RIM

00:23:7A:00:00:00 /24 MA-L 14:74:11:00:00:00 /24 MA-L 2C:A8:35:00:00:00 /24 MA-L 30:69:4B:00:00:00 /24 MA-L 30:7C:30:00:00:00 /24 MA-L 3C:74:37:00:00:00 /24 MA-L 40:6A:AB:00:00:00 /24 MA-L 70:D4:F2:00:00:00 /24 MA-L 80:60:07:00:00:00 /24 MA-L A0:6C:EC:00:00:00 /24 MA-L A8:6A:6F:00:00:00 /24 MA-L CC:55:AD:00:00:00 /24 MA-L