What this means
The IEEE assigned the MA-L block B09E1B to Butlr Technologies, Inc.. 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 B0:9E:1B, it is Butlr Technologies, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix B09E1B?
B09E1B is registered to Butlr Technologies, Inc. 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. Butlr Technologies, Inc.'s block covers 16,777,216 addresses.
What devices use B09E1B?
Any network device with a MAC address starting B0:9E:1B was manufactured by or for Butlr Technologies, Inc..