Apption Labs Ltd (90:21:2E:00:00:00 /24)

Apption Labs Ltd MA-L

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

Prefix90:21:2E:00:00:00 /24

Vendor address66 Commercial Square Leicester Leicestershire GB LE2 7SR

Block range90:21:2E:00:00:00– 90:21:2E: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

90:21:2E:00:00:00 90:21:2E:7F:FF:FF 90:21:2E:FF:FF:FF