What this means
The IEEE assigned the MA-L block 947EB9 to National Narrowband Network Communications Pty 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 94:7E:B9, it is National Narrowband Network Communications Pty Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 947EB9?
947EB9 is registered to National Narrowband Network Communications Pty 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. National Narrowband Network Communications Pty Ltd's block covers 16,777,216 addresses.
What devices use 947EB9?
Any network device with a MAC address starting 94:7E:B9 was manufactured by or for National Narrowband Network Communications Pty Ltd.