macadress

TB Group Inc

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0A:9B:00:00:00 /24
Vendor address4F NREG Hongo 3-chome Bldg., 3-26-6, Hngo, Bunkyo-ku, Tokyo JP 113-003
Country🇯🇵  Japan
RegisteredAug 3, 2002
Block range00:0A:9B:00:00:00– 00:0A:9B: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. Aug 3, 2002 – Dec 7, 2011 Towa Meccs Corporation name changedaddress changed
  2. Dec 7, 2011 – present TB Group Inc

Example addresses in this block

00:0A:9B:00:00:00 00:0A:9B:7F:FF:FF 00:0A:9B:FF:FF:FF

Where this block sits

Previous 00:0A:9A:00:00:00 /24 Aiptek International Inc Next 00:0A:9C:00:00:00 /24 Server Technology, Inc.

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

TB Group Inc holds 1 registered blocks in the IEEE registry, ranking #29,237 of 33,421 organizations by block count.