macadress

eProduction Solutions, Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:05:D3:00:00:00 /24
Vendor address22001 North Park Drive Kingwood TX US 77339-3804
Country🇺🇸  United States
RegisteredJun 4, 2001
Block range00:05:D3:00:00:00– 00:05:D3: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 4, 2001 – Oct 24, 2001 CAC, Inc. name changedaddress changed
  2. Oct 24, 2001 – present eProduction Solutions, Inc.

Example addresses in this block

00:05:D3:00:00:00 00:05:D3:7F:FF:FF 00:05:D3:FF:FF:FF

Where this block sits

Previous 00:05:D2:00:00:00 /24 DAP Technologies Next 00:05:D4:00:00:00 /24 FutureSmart Networks, Inc.

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

eProduction Solutions, Inc. holds 1 registered blocks in the IEEE registry, ranking #11,986 of 33,427 organizations by block count.