macadress

Gantner Instruments GmbH

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:12:08:00:00:00 /24
Vendor addressMontafonerstrasse 8 Schruns Vorarlberg AT 6780
Country🇦🇹  Austria
RegisteredAug 4, 2004
Block range00:12:08:00:00:00– 00:12:08: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. Aug 4, 2004 – Nov 18, 2009 Gantner Electronic GmbH name changed
  2. Nov 18, 2009 – present Gantner Instruments GmbH

Example addresses in this block

00:12:08:00:00:00 00:12:08:7F:FF:FF 00:12:08:FF:FF:FF

Where this block sits

Previous 00:12:07:00:00:00 /24 Head Strong International Limited Next 00:12:09:00:00:00 /24 Fastrax Ltd

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

Gantner Instruments GmbH holds 1 registered blocks in the IEEE registry, ranking #13,333 of 33,421 organizations by block count.