Nakajima All Precision Co., Ltd.

MA-L

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

Prefix00:1F:F7:00:00:00 /24

Vendor addressKami-Gomyo1480 Hanishina-Gun Nagano-Ken JP 389-0606

RegisteredFeb 20, 2008

Block range00:1F:F7:00:00:00– 00:1F:F7: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

00:1F:F7:00:00:00 00:1F:F7:7F:FF:FF 00:1F:F7:FF:FF:FF

Where this block sits

Previous 00:1F:F6:00:00:00 /24 PS Audio International Next 00:1F:F8:00:00:00 /24 Siemens AG, Sector Industry, Drive Technologies, Motion Control Systems

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

Nakajima All Precision Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #20,546 of 33,427 organizations by block count.