macadress

KATHREIN TechnoTrend GmbH

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:D0:5C:00:00:00 /24
Vendor addressIng.- Anton-Kathrein Str. 2 DE
Country🇩🇪  Germany
RegisteredSep 8, 2000
Block range00:D0:5C:00:00:00– 00:D0:5C: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 – Mar 21, 2015 TECHNOTREND SYSTEMTECHNIK GMBH name changedaddress changed
  2. Mar 21, 2015 – present KATHREIN TechnoTrend GmbH

Example addresses in this block

00:D0:5C:00:00:00 00:D0:5C:7F:FF:FF 00:D0:5C:FF:FF:FF

Where this block sits

Previous 00:D0:5B:00:00:00 /24 ACROLOOP MOTION CONTROL Next 00:D0:5D:00:00:00 /24 INTELLIWORXX, INC.

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

KATHREIN TechnoTrend GmbH holds 1 registered blocks in the IEEE registry, ranking #17,485 of 33,421 organizations by block count.