macadress

HGST a Western Digital Company

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0C:CA:00:00:00 /24
Vendor address3403 Yerba Buena Road San Jose CA US 95135
Country🇺🇸  United States
RegisteredApr 8, 2003
Block range00:0C:CA:00:00:00– 00:0C:CA: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. Apr 8, 2003 – Jun 29, 2012 Hitachi Global Storage Technologies name changedaddress changed
  2. Jun 29, 2012 – present HGST a Western Digital Company

Example addresses in this block

00:0C:CA:00:00:00 00:0C:CA:7F:FF:FF 00:0C:CA:FF:FF:FF

Where this block sits

Previous 00:0C:C9:00:00:00 /24 ILWOO DATA & TECHNOLOGY CO.,LTD Next 00:0C:CB:00:00:00 /24 Design Combus Ltd

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

HGST a Western Digital Company holds 1 registered blocks in the IEEE registry, ranking #14,809 of 33,421 organizations by block count.