Who owns MAC prefix 1801E3?

1801E3 is registered to Bittium Wireless Ltd in the IEEE MA-L registry.

What devices use 1801E3?

Any network device with a MAC address starting 18:01:E3 was manufactured by or for Bittium Wireless Ltd.

MA-L · OUI prefix

Bittium Wireless Ltd

Any MAC address starting 18:01:E3 is registered to Bittium Wireless Ltd in FI.

OUI prefix	1801E3
Vendor	Bittium Wireless Ltd
Registry	MA-L (24-bit, large block)
Country	FI
Example MAC	18:01:E3:00:00:00

What this means

The IEEE assigned the MA-L block 1801E3 to Bittium Wireless Ltd. 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 18:01:E3, it is Bittium Wireless Ltd hardware.

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