macadress

Alula

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix54:21:60:00:00:00 /24
Vendor address2340 Energy Park Drive St. Paul MN US 55108
Country🇺🇸  United States
RegisteredMay 3, 2013
Block range54:21:60:00:00:00– 54:21:60: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. May 3, 2013 – Jul 9, 2019 Resolution Products name changedaddress changed
  2. Jul 9, 2019 – present Alula

Example addresses in this block

54:21:60:00:00:00 54:21:60:7F:FF:FF 54:21:60:FF:FF:FF

Where this block sits

Alula holds 1 registered blocks in the IEEE registry, ranking #4,869 of 33,427 organizations by block count.