macadress

Schneider Electric (Australia)

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0C:81:00:00:00 /24
Vendor address80 Schneider Road Eagle Farm Qld AU 4009
Country🇦🇺  Australia
RegisteredMar 2, 2003
Block range00:0C:81:00:00:00– 00:0C:81: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 2, 2003 – Oct 16, 2010 Nulec Industries Pty Ltd name changedaddress changed
  2. Oct 16, 2010 – present Schneider Electric (Australia)

Example addresses in this block

00:0C:81:00:00:00 00:0C:81:7F:FF:FF 00:0C:81:FF:FF:FF

Where this block sits

Previous 00:0C:80:00:00:00 /24 Opelcomm Inc. Next 00:0C:82:00:00:00 /24 NETWORK TECHNOLOGIES INC

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

Schneider Electric (Australia) holds 1 registered blocks in the IEEE registry, ranking #25,341 of 33,427 organizations by block count.