MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixC0:EE:40:00:00:00 /24
Vendor address50 South Main St Akron US 44308
Country🇺🇸 United States
RegisteredApr 3, 2015
Block rangeC0:EE:40:00:00:00– C0:EE:40: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 →
Ownership timeline
- Apr 3, 2015 – Jan 21, 2022 Laird Technologies name changed
- Jan 21, 2022 – Nov 10, 2025 Laird Connectivity name changed
- Nov 10, 2025 – present Ezurio, LLC
Example addresses in this block
Where this block sits
Ezurio, LLC holds 7 registered blocks in the IEEE registry, ranking #419 of 33,427 organizations by block count.
Other blocks registered to Ezurio, LLC