What this means
The IEEE assigned the MA-L block A4DB2E to Kingspan Environmental 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:DB:2E, it is Kingspan Environmental Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix A4DB2E?
A4DB2E is registered to Kingspan Environmental 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. Kingspan Environmental Ltd's block covers 16,777,216 addresses.
What devices use A4DB2E?
Any network device with a MAC address starting A4:DB:2E was manufactured by or for Kingspan Environmental Ltd.