This is a universally administered unicast address with a registered vendor prefix.
MAC addressA0:21:AA:FF:FF:FF
OUIA0:21:AA
Vendor address32 Xuanwumen West Street,Xicheng District Beijing CN 100053
Country🇨🇳 China
Block rangeA0:21:AA:00:00:00– A0:21:AA: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-64A2:21:AA:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::a221:aaff: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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