What this means
The IEEE assigned the MA-M block 083C030 to Federal Signal SSG. 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 08:3C:03:0, it is Federal Signal SSG hardware.
Frequently Asked Questions
Who owns MAC prefix 083C030?
083C030 is registered to Federal Signal SSG in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Federal Signal SSG's block covers 1,048,576 addresses.
What devices use 083C030?
Any network device with a MAC address starting 08:3C:03:0 was manufactured by or for Federal Signal SSG.