Who owns MAC prefix E48501?

E48501 is registered to Geberit International AG in the IEEE MA-L registry.

What devices use E48501?

Any network device with a MAC address starting E4:85:01 was manufactured by or for Geberit International AG.

MA-L · OUI prefix

Geberit International AG

Any MAC address starting E4:85:01 is registered to Geberit International AG in CH.

OUI prefix	E48501
Vendor	Geberit International AG
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	E4:85:01:00:00:00

What this means

The IEEE assigned the MA-L block E48501 to Geberit International AG. 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 E4:85:01, it is Geberit International AG hardware.

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