macadress

ITFOR Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0D:FC:00:00:00 /24
Vendor addressIchibancho Tokyu Bidg., Tokyo JP 102-0082
Country🇯🇵  Japan
RegisteredSep 8, 2003
Block range00:0D:FC:00:00:00– 00:0D:FC: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, 2003 – Aug 18, 2007 ITFOR Inc. resarch and development name changedaddress changed
  2. Aug 18, 2007 – present ITFOR Inc.

Example addresses in this block

00:0D:FC:00:00:00 00:0D:FC:7F:FF:FF 00:0D:FC:FF:FF:FF

Where this block sits

Previous 00:0D:FB:00:00:00 /24 Komax AG Next 00:0D:FD:00:00:00 /24 Huges Hi-Tech Inc.,

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

ITFOR Inc. holds 1 registered blocks in the IEEE registry, ranking #16,841 of 33,427 organizations by block count.