This is a universally administered unicast address with a registered vendor prefix.
MAC address2C:66:AD:7F:FF:FF
OUI2C:66:AD
Vendor address13 F.-9, No. 738, Zhongzheng Rd., Zhonghe Dist., New Taipei City 235603, Taiwan (R.O.C.) New Taipei City TW 235603
Block range2C:66:AD:00:00:00– 2C:66:AD: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-642E:66:AD:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::2e66:adff: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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