CARDIAC RECORDERS, INC. (02:9D:8E:00:00:00 /24)

CARDIAC RECORDERS, INC. MA-L

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

Prefix02:9D:8E:00:00:00 /24

Vendor address34 SCARBORO RD UK UNITED GB KINGDOM

Country🇬🇧 United Kingdom

Block range02:9D:8E:00:00:00– 02:9D:8E:FF:FF:FF

Address capacity16,777,216

AdministrationLocally administered: set by software, not burned into hardware

TransmissionUnicast: addressed to a single device

IEEE 802c quadrantAAI: Administratively Assigned Identifier

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

02:9D:8E:00:00:00 02:9D:8E:7F:FF:FF 02:9D:8E:FF:FF:FF

Other blocks registered to CARDIAC RECORDERS, INC.

00:9D:8E:00:00:00 /24 MA-L