macadress

Accutech Ultrasystems Co., Ltd.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:ED:00:00:00 /24
Vendor address11F-4, No. 150, CHUNG-HO CITY, TAIPEI HSIEN, TW 235
Country🇹🇼  Taiwan
RegisteredJul 9, 2006
Block range00:18:ED:00:00:00– 00:18:ED: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. Jul 9, 2006 – Feb 9, 2008 ACCUTECH INTERNATIONAL CO., LTD. name changed
  2. Feb 9, 2008 – present Accutech Ultrasystems Co., Ltd.

Example addresses in this block

00:18:ED:00:00:00 00:18:ED:7F:FF:FF 00:18:ED:FF:FF:FF

Where this block sits

Previous 00:18:EC:00:00:00 /24 Welding Technology Corporation Next 00:18:EE:00:00:00 /24 Videology Imaging Solutions, Inc.

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

Accutech Ultrasystems Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #3,876 of 33,421 organizations by block count.