This is a universally administered unicast address with a registered vendor prefix.
MAC address5C:85:7E:20:00:00
OUI5C:85:7E
Vendor addressLimited Flat/RM 705A, 7/F, New East Ocean Centre No. 9 Science Museum Road Kowloon Hong Kong CN 000000
Block range5C:85:7E:20:00:00– 5C:85:7E:2F:FF:FF
Address capacity1,048,576
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:85:7E:FF:FE:20:00:00
Possible IPv6 link-local derivationfe80::5e85:7eff:fe20:0

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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