What this means
The IEEE assigned the MA-L block 849DC5 to Centera Photonics Inc.. 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 84:9D:C5, it is Centera Photonics Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 849DC5?
849DC5 is registered to Centera Photonics Inc. 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. Centera Photonics Inc.'s block covers 16,777,216 addresses.
What devices use 849DC5?
Any network device with a MAC address starting 84:9D:C5 was manufactured by or for Centera Photonics Inc..