macadress

TAS TELEFONBAU A. SCHWABE GMBH & CO. KG

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:50:DC:00:00:00 /24
Vendor addressD-41238 MONCHENGLADBACH DE
Country🇩🇪  Germany
RegisteredSep 8, 2000
Block range00:50:DC:00:00:00– 00:50:DC: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 – Jun 5, 2002 TAS TELEFONBAU A. SCHWABE name changedaddress changed
  2. Jun 5, 2002 – present TAS TELEFONBAU A. SCHWABE GMBH & CO. KG

Example addresses in this block

00:50:DC:00:00:00 00:50:DC:7F:FF:FF 00:50:DC:FF:FF:FF

Where this block sits

Previous 00:50:DB:00:00:00 /24 CONTEMPORARY CONTROL Next 00:50:DD:00:00:00 /24 SERRA SOLDADURA, S.A.

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

TAS TELEFONBAU A. SCHWABE GMBH & CO. KG holds 1 registered blocks in the IEEE registry, ranking #29,213 of 33,427 organizations by block count.