macadress

Hitachi Energy Germany AG

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix30:B2:16:00:00:00 /24
Vendor addressHavellandstr. 10-14 Mannheim DE 68309
Country🇩🇪  Germany
RegisteredJan 17, 2012
Block range30:B2:16:00:00:00– 30:B2:16: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. Jan 17, 2012 – Nov 21, 2017 Hytec Geraetebau GmbH name changedaddress changed
  2. Nov 21, 2017 – Jan 21, 2020 ABB AG - Power Grids - Grid Automation name changed
  3. Jan 21, 2020 – Aug 5, 2020 ABB Power Grids Germany AG – Grid Automation name changed
  4. Aug 5, 2020 – Dec 1, 2021 Hitachi ABB Power Grids – Grid Automation name changed
  5. Dec 1, 2021 – Nov 22, 2022 Hitachi Energy name changedaddress changed
  6. Nov 22, 2022 – present Hitachi Energy Germany AG

Example addresses in this block

30:B2:16:00:00:00 30:B2:16:7F:FF:FF 30:B2:16:FF:FF:FF

Where this block sits

Hitachi Energy Germany AG holds 2 registered blocks in the IEEE registry, ranking #2,201 of 33,427 organizations by block count.

Other blocks registered to Hitachi Energy Germany AG

00:50:C2:3F:30:00 /36 IAB