macadress

Würth Elektronik eiSos GmbH & Co. KG

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:DA:00:00:00 /24
Vendor addressMax-Eyth-Straße 1 Waldenburg DE 74638
Country🇩🇪  Germany
RegisteredJul 1, 2006
Block range00:18:DA:00:00:00– 00:18:DA: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. Jul 1, 2006 – Jul 7, 2018 AMBER wireless GmbH name changedaddress changed
  2. Jul 7, 2018 – present Würth Elektronik eiSos GmbH & Co. KG

Example addresses in this block

00:18:DA:00:00:00 00:18:DA:7F:FF:FF 00:18:DA:FF:FF:FF

Where this block sits

Previous 00:18:D9:00:00:00 /24 Santosha Internatonal, Inc Next 00:18:DB:00:00:00 /24 EPL Technology Ltd

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

Würth Elektronik eiSos GmbH & Co. KG holds 1 registered blocks in the IEEE registry, ranking #31,860 of 33,427 organizations by block count.