macadress

NIDEC INSTRUMENTS CORPORATION

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:AD:00:00:00 /24
Vendor address5329 Shimosuwa-cho Suwa-gun Nagano JP 393-8511
Country🇯🇵  Japan
RegisteredJun 15, 2006
Block range00:18:AD:00:00:00– 00:18:AD: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. Jun 15, 2006 – Apr 19, 2023 NIDEC SANKYO CORPORATION name changedaddress changed
  2. Apr 19, 2023 – Apr 21, 2023 Nidek Instruments Co., Ltd name changed
  3. Apr 21, 2023 – present NIDEC INSTRUMENTS CORPORATION

Example addresses in this block

00:18:AD:00:00:00 00:18:AD:7F:FF:FF 00:18:AD:FF:FF:FF

Where this block sits

Previous 00:18:AC:00:00:00 /24 Shanghai Jiao Da HISYS Technology Co. Ltd. Next 00:18:AE:00:00:00 /24 TVT CO.,LTD

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

NIDEC INSTRUMENTS CORPORATION holds 1 registered blocks in the IEEE registry, ranking #21,336 of 33,427 organizations by block count.