MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:90:DD:00:00:00 /24
Vendor addressKANAGAWA JP
RegisteredSep 8, 2000
Block range00:90:DD:00:00:00– 00:90:DD: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. Sep 8, 2000 – Jun 5, 2002 THE MIHARU COMMUNICATIONS name changedaddress changed
  2. Jun 5, 2002 – Apr 19, 2013 THE MIHARU COMMUNICATIONS CO., LTD. name changed
  3. Apr 19, 2013 – present MIHARU COMMUNICATIONS Inc

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.

MIHARU COMMUNICATIONS Inc holds 1 registered blocks in the IEEE registry, ranking #19,918 of 33,427 organizations by block count.