MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix14:1A:A3:00:00:00 /24
Vendor address222 Merchandise Mart Plaza, Suite 1800 Chicago IL US 60654
RegisteredOct 4, 2014
Block range14:1A:A3:00:00:00– 14:1A:A3: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

  1. Oct 4, 2014 – Oct 17, 2015 Motorola Mobility LLC name changedaddress changed
  2. Oct 17, 2015 – present Motorola Mobility LLC, a Lenovo Company

Example addresses in this block

Where this block sits

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Motorola Mobility LLC, a Lenovo Company holds 128 registered blocks in the IEEE registry, ranking #28 of 33,427 organizations by block count.

Other blocks registered to Motorola Mobility LLC, a Lenovo Company