macadress

Automat Engenharia de Automação Ltda.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:07:D0:00:00:00 /24
Vendor addressRua Santo Antonio, 917 - Reboucas BR 80230-120
Country🇧🇷  Brazil
RegisteredOct 24, 2001
Block range00:07:D0:00:00:00– 00:07: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. Oct 24, 2001 – Nov 29, 2012 Automat Engenharia de Automaoa Ltda. name changed
  2. Nov 29, 2012 РAug 27, 2015 Automat Engenharia de Automa̤̣o Ltda. name changedaddress changed
  3. Aug 27, 2015 – present Automat Engenharia de Automação Ltda.

Example addresses in this block

00:07:D0:00:00:00 00:07:D0:7F:FF:FF 00:07:D0:FF:FF:FF

Where this block sits

Previous 00:07:CF:00:00:00 /24 Anoto AB Next 00:07:D1:00:00:00 /24 Spectrum Signal Processing Inc.

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

Automat Engenharia de Automação Ltda. holds 1 registered blocks in the IEEE registry, ranking #5,951 of 33,421 organizations by block count.