macadress

Genexis BV

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0F:5D:00:00:00 /24
Vendor addressLodewijktraat 1A 5652 AC Eindhoven SE
Country🇸🇪  Sweden
RegisteredFeb 1, 2004
Block range00:0F:5D:00:00:00– 00:0F:5D: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. Feb 1, 2004 – Mar 8, 2011 42Networks AB name changed
  2. Mar 8, 2011 – Apr 11, 2013 PacketFront International AB name changedaddress changed
  3. Apr 11, 2013 – Apr 19, 2013 PacketFront Network Products AB name changedaddress changed
  4. Apr 19, 2013 – present Genexis BV

Example addresses in this block

00:0F:5D:00:00:00 00:0F:5D:7F:FF:FF 00:0F:5D:FF:FF:FF

Where this block sits

Previous 00:0F:5C:00:00:00 /24 Day One Digital Media Limited Next 00:0F:5E:00:00:00 /24 Veo

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

Genexis BV holds 2 registered blocks in the IEEE registry, ranking #2,085 of 33,421 organizations by block count.

Other blocks registered to Genexis BV

00:0F:94:00:00:00 /24 MA-L