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
RegisteredSep 8, 2000
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 →
Ownership timeline
- Sep 8, 2000 – Nov 4, 2015 CARDIAC RECORDERS INC. name changedaddress changed
- Nov 4, 2015 – present CARDIAC RECORDERS, INC.
Example addresses in this block
Where this block sits
CARDIAC RECORDERS, INC. holds 2 registered blocks in the IEEE registry, ranking #1,692 of 33,421 organizations by block count.
Other blocks registered to CARDIAC RECORDERS, INC.