What this means
The IEEE assigned the MA-L block A4ADB8 to Vitec Group, Camera Dynamics Ltd. 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 A4:AD:B8, it is Vitec Group, Camera Dynamics Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix A4ADB8?
A4ADB8 is registered to Vitec Group, Camera Dynamics Ltd 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. Vitec Group, Camera Dynamics Ltd's block covers 16,777,216 addresses.
What devices use A4ADB8?
Any network device with a MAC address starting A4:AD:B8 was manufactured by or for Vitec Group, Camera Dynamics Ltd.