What this means
The IEEE assigned the MA-S block 8C1F643CD to Sejong security system Cor.. 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 8C:1F:64:3C:D, it is Sejong security system Cor. hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F643CD?
8C1F643CD is registered to Sejong security system Cor. in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Sejong security system Cor.'s block covers 4,096 addresses.
What devices use 8C1F643CD?
Any network device with a MAC address starting 8C:1F:64:3C:D was manufactured by or for Sejong security system Cor..