macadress

Elcard Wireless Systems Oy

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:D0:99:00:00:00 /24
Vendor addressP.O. BOX 120/BECKERINTIC 38 FI
Country🇫🇮  Finland
RegisteredSep 8, 2000
Block range00:D0:99:00:00:00– 00:D0:99: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. Sep 8, 2000 – Aug 14, 2012 ELCARD OY name changed
  2. Aug 14, 2012 – present Elcard Wireless Systems Oy

Example addresses in this block

00:D0:99:00:00:00 00:D0:99:7F:FF:FF 00:D0:99:FF:FF:FF

Where this block sits

Previous 00:D0:98:00:00:00 /24 Photon Dynamics Canada Inc. Next 00:D0:9A:00:00:00 /24 FILANET CORPORATION

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

Elcard Wireless Systems Oy holds 1 registered blocks in the IEEE registry, ranking #11,387 of 33,421 organizations by block count.