What this means
The IEEE assigned the MA-L block 5C7757 to Haivision Network Video. 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 5C:77:57, it is Haivision Network Video hardware.
Frequently Asked Questions
Who owns MAC prefix 5C7757?
5C7757 is registered to Haivision Network Video 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. Haivision Network Video's block covers 16,777,216 addresses.
What devices use 5C7757?
Any network device with a MAC address starting 5C:77:57 was manufactured by or for Haivision Network Video.