What this means
The IEEE assigned the MA-L block 40D40E to Biodata 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 40:D4:0E, it is Biodata Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 40D40E?
40D40E is registered to Biodata 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. Biodata Ltd's block covers 16,777,216 addresses.
What devices use 40D40E?
Any network device with a MAC address starting 40:D4:0E was manufactured by or for Biodata Ltd.