This is a universally administered unicast address with a registered vendor prefix.
MAC address84:96:81:7F:FF:FF
OUI84:96:81
Vendor addressTsinghua Institude A319 of Hi-tech Park,Nanshan district,Shenzhen China Shenzhen Canton CN 0755
Country🇨🇳 China
Block range84:96:81:00:00:00– 84:96:81: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-6486:96:81:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::8696:81ff: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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