What this means
The IEEE assigned the MA-L block 70AD54 to Malvern Instruments 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 70:AD:54, it is Malvern Instruments Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 70AD54?
70AD54 is registered to Malvern Instruments 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. Malvern Instruments Ltd's block covers 16,777,216 addresses.
What devices use 70AD54?
Any network device with a MAC address starting 70:AD:54 was manufactured by or for Malvern Instruments Ltd.