macadress

ZPT R&D

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix90:B4:DD:00:00:00 /24
Vendor addressHovås Snöbärsväg 2, lgh 201 Hovås SE 43654
Country🇸🇪  Sweden
RegisteredSep 12, 2020
Block range90:B4:DD:00:00:00– 90:B4:DD: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 12, 2020 – Aug 24, 2022 Private name changedaddress changedcountry changed
  2. Aug 24, 2022 – Nov 12, 2022 ZPT R&D name changed
  3. Nov 12, 2022 – Feb 28, 2024 Private name changedaddress changedcountry changed
  4. Feb 28, 2024 – present ZPT R&D

Example addresses in this block

90:B4:DD:00:00:00 90:B4:DD:7F:FF:FF 90:B4:DD:FF:FF:FF

Where this block sits

ZPT R&D holds 1 registered blocks in the IEEE registry, ranking #33,388 of 33,427 organizations by block count.