macadress

Siemens AG, DI PA AE

MA-M
MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix38:FD:FE:30:00:00 /28
Vendor addressSiemensalle 84 Karlsruhe DE 76187
Country🇩🇪  Germany
RegisteredDec 6, 2015
Block range38:FD:FE:30:00:00– 38:FD:FE:3F:FF:FF
Address capacity1,048,576
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. Dec 6, 2015 – Jul 21, 2023 Siemens AG, PG IE R&D name changed
  2. Jul 21, 2023 – present Siemens AG, DI PA AE

Example addresses in this block

38:FD:FE:30:00:00 38:FD:FE:37:FF:FF 38:FD:FE:3F:FF:FF

Where this block sits

Previous 38:FD:FE:20:00:00 /28 Smart Solution Technology, Inc Next 38:FD:FE:40:00:00 /28 New Telecom Solutions LLC

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

Siemens AG, DI PA AE holds 1 registered blocks in the IEEE registry, ranking #27,291 of 33,427 organizations by block count.