What this means
The IEEE assigned the MA-L block C891F9 to Sagemcom Broadband SAS. 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 C8:91:F9, it is Sagemcom Broadband SAS hardware.
Frequently Asked Questions
Who owns MAC prefix C891F9?
C891F9 is registered to Sagemcom Broadband SAS 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. Sagemcom Broadband SAS's block covers 16,777,216 addresses.
What devices use C891F9?
Any network device with a MAC address starting C8:91:F9 was manufactured by or for Sagemcom Broadband SAS.