What this means
The IEEE assigned the MA-L block A4AD00 to Ragsdale Technology. 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:00, it is Ragsdale Technology hardware.
Frequently Asked Questions
Who owns MAC prefix A4AD00?
A4AD00 is registered to Ragsdale Technology 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. Ragsdale Technology's block covers 16,777,216 addresses.
What devices use A4AD00?
Any network device with a MAC address starting A4:AD:00 was manufactured by or for Ragsdale Technology.