This is a universally administered unicast address with a registered vendor prefix.
MAC address20:AC:9C:7F:FF:FF
OUI20:AC:9C
Vendor address31 Jinrong Street, Xicheng District, Beijing, China Beijing, China CN 100033
Block range20:AC:9C:00:00:00– 20:AC:9C: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-6422:AC:9C:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::22ac:9cff:fe7f: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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