What this means
The IEEE assigned the MA-L block B04089 to Senient Systems 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 B0:40:89, it is Senient Systems LTD hardware.
Frequently Asked Questions
Who owns MAC prefix B04089?
B04089 is registered to Senient Systems 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. Senient Systems LTD's block covers 16,777,216 addresses.
What devices use B04089?
Any network device with a MAC address starting B0:40:89 was manufactured by or for Senient Systems LTD.