Who owns MAC prefix 00905D?

00905D is registered to NETCOM SICHERHEITSTECHNIK GMBH in the IEEE MA-L registry.

What devices use 00905D?

Any network device with a MAC address starting 00:90:5D was manufactured by or for NETCOM SICHERHEITSTECHNIK GMBH.

MA-L · OUI prefix

NETCOM SICHERHEITSTECHNIK GMBH

Any MAC address starting 00:90:5D is registered to NETCOM SICHERHEITSTECHNIK GMBH in DE.

OUI prefix	00905D
Vendor	NETCOM SICHERHEITSTECHNIK GMBH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:90:5D:00:00:00

What this means

The IEEE assigned the MA-L block 00905D to NETCOM SICHERHEITSTECHNIK GMBH. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:90:5D, it is NETCOM SICHERHEITSTECHNIK GMBH hardware.

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