macadress

VTI Instruments Corporation

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0D:3F:00:00:00 /24
Vendor address5425 Warner Road, Suite 13 Valley View OH US 44125
Country🇺🇸  United States
RegisteredJun 1, 2003
Block range00:0D:3F:00:00:00– 00:0D:3F: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 1, 2003 – Jun 23, 2009 VXI Technology name changed
  2. Jun 23, 2009 – present VTI Instruments Corporation

Example addresses in this block

00:0D:3F:00:00:00 00:0D:3F:7F:FF:FF 00:0D:3F:FF:FF:FF

Where this block sits

Previous 00:0D:3E:00:00:00 /24 APLUX Communications Ltd. Next 00:0D:40:00:00:00 /24 Verint Loronix Video Solutions

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

VTI Instruments Corporation holds 1 registered blocks in the IEEE registry, ranking #31,825 of 33,427 organizations by block count.