What this means
The IEEE assigned the MA-L block 1800DB to Fitbit 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 18:00:DB, it is Fitbit Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 1800DB?
1800DB is registered to Fitbit 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. Fitbit Inc.'s block covers 16,777,216 addresses.
What devices use 1800DB?
Any network device with a MAC address starting 18:00:DB was manufactured by or for Fitbit Inc..