This is a universally administered unicast address with a registered vendor prefix.
MAC addressD0:3E:7D:FF:FF:FF
OUID0:3E:7D
Vendor address9F,BLOCK A,GARDEN CITY DIGITAL BUILDING,NO.1079 NANHAI ROAD,NANSHAN DISTRICT SHEN ZHEN GUANG DONG CN 518000
Block rangeD0:3E:7D:00:00:00– D0:3E:7D: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-64D2:3E:7D:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::d23e:7dff: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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