MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:26:92:00:00:00 /24
Vendor address2-7-3 Marunouchi Chiyoda-ku Tokyo JP 100-8310
RegisteredJun 21, 2009
Block range00:26:92:00:00:00– 00:26:92: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. Jun 21, 2009 – May 18, 2017 Mitsubishi Electric Co. name changedaddress changed
  2. May 18, 2017 – present Mitsubishi Electric Corporation

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.

Mitsubishi Electric Corporation holds 7 registered blocks in the IEEE registry, ranking #431 of 33,427 organizations by block count.

Other blocks registered to Mitsubishi Electric Corporation