macadress

Laird Technologies

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:23:3D:00:00:00 /24
Vendor addressMeesmannstrasse 103 Bochum DE 44807
Country🇩🇪  Germany
RegisteredOct 8, 2008
Block range00:23:3D:00:00:00– 00:23:3D: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 8, 2008 – Jun 14, 2011 novero GmbH name changedaddress changed
  2. Jun 14, 2011 – Jan 19, 2018 Novero holding B.V. name changedaddress changed
  3. Jan 19, 2018 – present Laird Technologies

Example addresses in this block

00:23:3D:00:00:00 00:23:3D:7F:FF:FF 00:23:3D:FF:FF:FF

Where this block sits

Previous 00:23:3C:00:00:00 /24 Alflex Next 00:23:3E:00:00:00 /24 Alcatel-Lucent IPD

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

Laird Technologies holds 1 registered blocks in the IEEE registry, ranking #18,140 of 33,421 organizations by block count.