macadress

Systemhouse Solutions AB

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix58:FD:20:00:00:00 /24
Vendor addressMikrofonvagen 28 STOCKHOLM SE 126 81
Country🇸🇪  Sweden
RegisteredMar 16, 2010
Block range58:FD:20:00:00:00– 58:FD:20: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. Mar 16, 2010 – Dec 5, 2020 Bravida Sakerhet AB name changed
  2. Dec 5, 2020 – present Systemhouse Solutions AB

Example addresses in this block

58:FD:20:00:00:00 58:FD:20:7F:FF:FF 58:FD:20:FF:FF:FF

Where this block sits

Systemhouse Solutions AB holds 1 registered blocks in the IEEE registry, ranking #28,961 of 33,427 organizations by block count.