Who owns MAC prefix 0020E1?

0020E1 is registered to ALAMAR ELECTRONICS in the IEEE MA-L registry.

What devices use 0020E1?

Any network device with a MAC address starting 00:20:E1 was manufactured by or for ALAMAR ELECTRONICS.

MA-L · OUI prefix

ALAMAR ELECTRONICS

Any MAC address starting 00:20:E1 is registered to ALAMAR ELECTRONICS in US.

OUI prefix	0020E1
Vendor	ALAMAR ELECTRONICS
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:20:E1:00:00:00

What this means

The IEEE assigned the MA-L block 0020E1 to ALAMAR ELECTRONICS. 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 00:20:E1, it is ALAMAR ELECTRONICS hardware.

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