macadress

ADC - Global Connectivity Solutions Division

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:40:16:00:00:00 /24
Vendor addressP.O. Box 1101 Minneapolis MN US 55440-1101
Country🇺🇸  United States
RegisteredSep 8, 2000
Block range00:40:16:00:00:00– 00:40:16: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. Sep 8, 2000 – Jul 19, 2008 HADAX ELECTRONICS, INC. name changedaddress changed
  2. Jul 19, 2008 – present ADC - Global Connectivity Solutions Division

Example addresses in this block

00:40:16:00:00:00 00:40:16:7F:FF:FF 00:40:16:FF:FF:FF

Where this block sits

Previous 00:40:15:00:00:00 /24 ASCOM INFRASYS AG Next 00:40:17:00:00:00 /24 Silex Technology America

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

ADC - Global Connectivity Solutions Division holds 1 registered blocks in the IEEE registry, ranking #4,065 of 33,421 organizations by block count.