Hitachi IE Systems Co., Ltd

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix00:0C:09:00:00:00 /24

Vendor addressSaiwai-cho 120-1,Inazawa-shi Inazawa-shi Aichi JP 492-8622

RegisteredDec 12, 2002

Block range00:0C:09:00:00:00– 00:0C:09: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 →

Example addresses in this block

00:0C:09:00:00:00 00:0C:09:7F:FF:FF 00:0C:09:FF:FF:FF

Where this block sits

Previous 00:0C:08:00:00:00 /24 HUMEX Technologies Corp. Next 00:0C:0A:00:00:00 /24 Guangdong Province Electronic Technology Research Institute

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

Hitachi IE Systems Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #14,930 of 33,427 organizations by block count.