What this means
The IEEE assigned the MA-L block 00255A to Tantalus Systems Corp.. 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 00:25:5A, it is Tantalus Systems Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 00255A?
00255A is registered to Tantalus Systems Corp. 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. Tantalus Systems Corp.'s block covers 16,777,216 addresses.
What devices use 00255A?
Any network device with a MAC address starting 00:25:5A was manufactured by or for Tantalus Systems Corp..