This is a universally administered unicast address with a registered vendor prefix.
MAC address10:9F:4F:7F:FF:FF
OUI10:9F:4F
Vendor addressRoom 406-100, 1 Yichuang Street, China-Singapore Guangzhou Knowledge City, Huangpu District, Guangzhou. Guangzhou Guangdong CN 510030
Block range10:9F:4F:00:00:00– 10:9F:4F: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-6412:9F:4F:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::129f:4fff: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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