macadress

HOYA Corporation

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:02:AD:00:00:00 /24
Vendor address2-7-5 Naka-Ochiai, Shinjuku-ku, Tokyo JP 161-8525
Country🇯🇵  Japan
RegisteredSep 8, 2000
Block range00:02:AD:00:00:00– 00:02:AD: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 1, 2003 Asahi Optical Co., Ltd. name changedaddress changed
  2. Jun 1, 2003 – Jul 19, 2008 Pentax Corpotation name changedaddress changed
  3. Jul 19, 2008 – present HOYA Corporation

Example addresses in this block

00:02:AD:00:00:00 00:02:AD:7F:FF:FF 00:02:AD:FF:FF:FF

Where this block sits

Previous 00:02:AC:00:00:00 /24 3PAR data Next 00:02:AE:00:00:00 /24 Scannex Electronics Ltd.

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

HOYA Corporation holds 1 registered blocks in the IEEE registry, ranking #15,146 of 33,421 organizations by block count.