macadress

Francotyp-Postalia GmbH

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:11:4B:00:00:00 /24
Vendor addressTriftweg 21-26 Birkenwerder Brandenburg DE 16547
Country🇩🇪  Germany
RegisteredMay 11, 2004
Block range00:11:4B:00:00:00– 00:11:4B: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. May 11, 2004 – Jan 17, 2010 Francotyp-Postalia AG & Co. KG name changed
  2. Jan 17, 2010 – Jan 19, 2010 Francotyp-Postalia Beteiligungs Aktiengesellschaft name changed
  3. Jan 19, 2010 – present Francotyp-Postalia GmbH

Example addresses in this block

00:11:4B:00:00:00 00:11:4B:7F:FF:FF 00:11:4B:FF:FF:FF

Where this block sits

Previous 00:11:4A:00:00:00 /24 KAYABA INDUSTRY Co,.Ltd. Next 00:11:4C:00:00:00 /24 caffeina applied research ltd.

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

Francotyp-Postalia GmbH holds 1 registered blocks in the IEEE registry, ranking #13,007 of 33,427 organizations by block count.