macadress

PHC Corporation

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:E0:5C:00:00:00 /24
Vendor address2131-1 Minamigata Toon City Ehime JP 791-0395
Country🇯🇵  Japan
RegisteredApr 22, 1998
Block range00:E0:5C:00:00:00– 00:E0:5C: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 22, 1998 – Jun 5, 2002 MATSUSHITA KOTOBUKI name changedaddress changed
  2. Jun 5, 2002 – Jun 11, 2015 MATSUSHITA KOTOBUKI ELECTRONICS INDUSTRIES, LTD. name changedaddress changed
  3. Jun 11, 2015 – May 24, 2018 Panasonic Healthcare Co., Ltd. name changedaddress changed
  4. May 24, 2018 – present PHC Corporation

Example addresses in this block

00:E0:5C:00:00:00 00:E0:5C:7F:FF:FF 00:E0:5C:FF:FF:FF

Where this block sits

Previous 00:E0:5B:00:00:00 /24 WEST END SYSTEMS CORP. Next 00:E0:5D:00:00:00 /24 UNITEC CO., LTD.

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

PHC Corporation holds 1 registered blocks in the IEEE registry, ranking #22,889 of 33,427 organizations by block count.