macadress

AtRoad, A Trimble Company

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:D0:00:00:00 /24
Vendor address47071 Bayside Parkway Fremont California US 94538
Country🇺🇸  United States
RegisteredJul 1, 2006
Block range00:18:D0:00:00:00– 00:18:D0: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 1, 2006 – Jan 14, 2008 @ROAD Inc name changed
  2. Jan 14, 2008 – present AtRoad, A Trimble Company

Example addresses in this block

00:18:D0:00:00:00 00:18:D0:7F:FF:FF 00:18:D0:FF:FF:FF

Where this block sits

Previous 00:18:CF:00:00:00 /24 Baldor Electric Company Next 00:18:D1:00:00:00 /24 Siemens Home & Office Comm. Devices

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

AtRoad, A Trimble Company holds 1 registered blocks in the IEEE registry, ranking #5,826 of 33,421 organizations by block count.