What this means
The IEEE assigned the MA-L block A81B5D to Foxtel Management 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 A8:1B:5D, it is Foxtel Management Pty Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix A81B5D?
A81B5D is registered to Foxtel Management 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. Foxtel Management Pty Ltd's block covers 16,777,216 addresses.
What devices use A81B5D?
Any network device with a MAC address starting A8:1B:5D was manufactured by or for Foxtel Management Pty Ltd.