macadress

EFR Europäische Funk-Rundsteuerung GmbH

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixB8:2A:DC:00:00:00 /24
Vendor addressNymphenburger Straße 20b Munich DE 80335
Country🇩🇪  Germany
RegisteredApr 29, 2011
Block rangeB8:2A:DC:00:00:00– B8:2A: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. Apr 29, 2011 – May 5, 2011 EFR Europaische Funk-Rundsteuerung GmbH name changed
  2. May 5, 2011 – Nov 17, 2011 EFR Europ�ische Funk-Rundsteuerung GmbH name changed
  3. Nov 17, 2011 – Nov 18, 2011 EFR Europäische Funk-Rundsteuerung GmbH name changed
  4. Nov 18, 2011 – Sep 17, 2012 EFR Europäische Funk-Rundsteuerung GmbH name changed
  5. Sep 17, 2012 – Nov 29, 2012 EFR Europäische Funk-Rundsteuerung GmbH name changedaddress changed
  6. Nov 29, 2012 – Aug 27, 2015 EFR Europäische Funk-Rundsteuerung GmbH name changedaddress changed
  7. Aug 27, 2015 – present EFR Europäische Funk-Rundsteuerung GmbH

Example addresses in this block

B8:2A:DC:00:00:00 B8:2A:DC:7F:FF:FF B8:2A:DC:FF:FF:FF

Where this block sits

EFR Europäische Funk-Rundsteuerung GmbH holds 1 registered blocks in the IEEE registry, ranking #11,282 of 33,427 organizations by block count.