MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0B:61:00:00:00 /24
Vendor addressBruckwiesenstraße 17 - 19 Weinstadt (Großheppach) BW DE 71384
RegisteredOct 14, 2002
Block range00:0B:61:00:00:00– 00:0B:61: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 14, 2002 – Nov 7, 2009 Friedrich Lütze GmbH &Co. name changedaddress changed
  2. Nov 7, 2009 – Feb 6, 2010 Friedrich Lütze GmbH &Co. name changedaddress changed
  3. Feb 6, 2010 – Aug 24, 2010 Friedrich Lütze GmbH &Co. name changedaddress changed
  4. Aug 24, 2010 – Aug 25, 2010 Friedrich Lütze GmbH &Co. name changedaddress changed
  5. Aug 25, 2010 – Nov 17, 2011 Friedrich Lütze GmbH &Co. name changedaddress changed
  6. Nov 17, 2011 – Sep 17, 2012 Friedrich Lütze GmbH &Co. name changedaddress changed
  7. Sep 17, 2012 – Nov 29, 2012 Friedrich Lütze GmbH &Co. name changedaddress changed
  8. Nov 29, 2012 – Aug 27, 2015 Friedrich Lütze GmbH & Co. KG name changedaddress changed
  9. Aug 27, 2015 – present Friedrich Lütze GmbH & Co. KG

Example addresses in this block

Where this block sits

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

Friedrich Lütze GmbH & Co. KG holds 1 registered blocks in the IEEE registry, ranking #13,061 of 33,421 organizations by block count.