What this means
The IEEE assigned the MA-L block 00266A to ESSENSIUM NV. 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 00:26:6A, it is ESSENSIUM NV hardware.
Frequently Asked Questions
Who owns MAC prefix 00266A?
00266A is registered to ESSENSIUM NV 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. ESSENSIUM NV's block covers 16,777,216 addresses.
What devices use 00266A?
Any network device with a MAC address starting 00:26:6A was manufactured by or for ESSENSIUM NV.