This is a universally administered unicast address with a registered vendor prefix.
MAC address5C:DE:34:FF:FF:FF
OUI5C:DE:34
Vendor address6th Floor, South Section, Building 23, Keyuan West, NO.1 Kezhi West Road, Science and Technology Community, Yuehai Street, Nanshan District Shenzhen Guangdong CN 518057
Block range5C:DE:34:00:00:00– 5C:DE:34:FF:FF:FF
Address capacity16,777,216
TransmissionUnicast: addressed to a single device
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
RandomizationNot randomized
Derived modified EUI-645E:DE:34:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::5ede:34ff:feff:ffff

The EUI-64 and IPv6 link-local fields are a mathematical derivation from this MAC address. They don't confirm the device currently uses that IPv6 address.

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