macadress

Heuft Systemtechnik GmbH

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:05:6A:00:00:00 /24
Vendor addressBrohltalstr 31-33 Deutschland DE
Country🇩🇪  Germany
RegisteredOct 24, 2001
Block range00:05:6A:00:00:00– 00:05:6A: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. Oct 24, 2001 – Jun 5, 2002 Heuft Systemtechnik GmbH name changedaddress changedcountry changed
  2. Jun 5, 2002 – Apr 11, 2003 Private name changedaddress changedcountry changed
  3. Apr 11, 2003 – present Heuft Systemtechnik GmbH

Example addresses in this block

00:05:6A:00:00:00 00:05:6A:7F:FF:FF 00:05:6A:FF:FF:FF

Where this block sits

Previous 00:05:69:00:00:00 /24 VMware, Inc. Next 00:05:6B:00:00:00 /24 C.P. Technology Co., Ltd.

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

Heuft Systemtechnik GmbH holds 1 registered blocks in the IEEE registry, ranking #14,789 of 33,427 organizations by block count.