What this means
The IEEE assigned the MA-L block FCDB21 to SAMSARA NETWORKS 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 FC:DB:21, it is SAMSARA NETWORKS INC hardware.
Frequently Asked Questions
Who owns MAC prefix FCDB21?
FCDB21 is registered to SAMSARA NETWORKS 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. SAMSARA NETWORKS INC's block covers 16,777,216 addresses.
What devices use FCDB21?
Any network device with a MAC address starting FC:DB:21 was manufactured by or for SAMSARA NETWORKS INC.