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.
Frequently Asked Questions
Who owns MAC prefix 1801E3?
1801E3 is registered to Bittium Wireless Ltd in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Bittium Wireless Ltd's block covers 16,777,216 addresses.
What devices use 1801E3?
Any network device with a MAC address starting 18:01:E3 was manufactured by or for Bittium Wireless Ltd.