macadress

Cherry GmbH

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1B:B5:00:00:00 /24
Vendor addressCherrystraße 1 Auerbach i. d. Opf. Bayern DE D-91275
Country🇩🇪  Germany
RegisteredMar 7, 2007
Block range00:1B:B5:00:00:00– 00:1B:B5: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. Mar 7, 2007 – Jun 23, 2009 Cherry GmbH name changed
  2. Jun 23, 2009 – Oct 25, 2016 ZF Electronics GmbH name changedaddress changedcountry changed
  3. Oct 25, 2016 – present Cherry GmbH

Example addresses in this block

00:1B:B5:00:00:00 00:1B:B5:7F:FF:FF 00:1B:B5:FF:FF:FF

Where this block sits

Previous 00:1B:B4:00:00:00 /24 Airvod Limited Next 00:1B:B6:00:00:00 /24 Bird Electronic Corp.

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

Cherry GmbH holds 1 registered blocks in the IEEE registry, ranking #8,296 of 33,421 organizations by block count.