macadress

Bosch Building Automation GmbH

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix04:26:05:00:00:00 /24
Vendor addressKapellenweg 42 Verl DE 33415
Country🇩🇪  Germany
RegisteredDec 22, 2010
Block range04:26:05:00:00:00– 04:26:05: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. Dec 22, 2010 – Nov 17, 2011 GFR Gesellschaft f�r Regelungstechnik und Energieeinsparung mbH name changed
  2. Nov 17, 2011 – Nov 18, 2011 GFR Gesellschaft für Regelungstechnik und Energieeinsparung mbH name changed
  3. Nov 18, 2011 – Sep 17, 2012 GFR Gesellschaft für Regelungstechnik und Energieeinsparung mbH name changed
  4. Sep 17, 2012 – Nov 29, 2012 GFR Gesellschaft für Regelungstechnik und Energieeinsparung mbH name changed
  5. Nov 29, 2012 – Aug 27, 2015 GFR Gesellschaft für Regelungstechnik und Energieeinsparung mbH name changedaddress changed
  6. Aug 27, 2015 – Apr 5, 2022 GFR Gesellschaft für Regelungstechnik und Energieeinsparung mbH name changed
  7. Apr 5, 2022 – present Bosch Building Automation GmbH

Example addresses in this block

04:26:05:00:00:00 04:26:05:7F:FF:FF 04:26:05:FF:FF:FF

Where this block sits

Bosch Building Automation GmbH holds 1 registered blocks in the IEEE registry, ranking #7,276 of 33,427 organizations by block count.