What this means
The IEEE assigned the MA-L block C4198B to Dominion Voting Systems Corporation. 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 C4:19:8B, it is Dominion Voting Systems Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix C4198B?
C4198B is registered to Dominion Voting Systems Corporation 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. Dominion Voting Systems Corporation's block covers 16,777,216 addresses.
What devices use C4198B?
Any network device with a MAC address starting C4:19:8B was manufactured by or for Dominion Voting Systems Corporation.