macadress

Aplix IP Holdings Corporation

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1C:4D:00:00:00 /24
Vendor address2-20-9 Nishiwaseda Shinjuku-ku Tokyo JP 169-0051
Country🇯🇵  Japan
RegisteredMay 13, 2007
Block range00:1C:4D:00:00:00– 00:1C:4D: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. May 13, 2007 – Sep 26, 2012 Zeetoo, Inc. name changedaddress changed
  2. Sep 26, 2012 – Dec 24, 2013 Zeemote Technology Inc. (part of Aplix). name changed
  3. Dec 24, 2013 – present Aplix IP Holdings Corporation

Example addresses in this block

00:1C:4D:00:00:00 00:1C:4D:7F:FF:FF 00:1C:4D:FF:FF:FF

Where this block sits

Previous 00:1C:4C:00:00:00 /24 Petrotest Instruments Next 00:1C:4E:00:00:00 /24 TASA International Limited

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

Aplix IP Holdings Corporation holds 1 registered blocks in the IEEE registry, ranking #5,245 of 33,421 organizations by block count.