macadress

Mikroelektronika spol. s r. o.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1D:DA:00:00:00 /24
Vendor addressDráby 849 Vysoké Mýto CZ CZ 566 01
Country🇨🇿  Czechia
RegisteredSep 25, 2007
Block range00:1D:DA:00:00:00– 00:1D:DA: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 25, 2007 – Feb 9, 2008 Mikroelektronika Ltd. name changedaddress changed
  2. Feb 9, 2008 – present Mikroelektronika spol. s r. o.

Example addresses in this block

00:1D:DA:00:00:00 00:1D:DA:7F:FF:FF 00:1D:DA:FF:FF:FF

Where this block sits

Previous 00:1D:D9:00:00:00 /24 Hon Hai Precision Ind. Co.,Ltd. Next 00:1D:DB:00:00:00 /24 C-BEL Corporation

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

Mikroelektronika spol. s r. o. holds 1 registered blocks in the IEEE registry, ranking #19,930 of 33,421 organizations by block count.