This is a universally administered unicast address with a registered vendor prefix.
MAC address78:39:2D:20:00:00
OUI78:39:2D
Vendor addressNo.10, Floor 5, Unit 2, Building 2, No.85, Wukexi Road, Management Committee, Wuhou District, Chengdu Chengdu CN 610003
Block range78:39:2D:20:00:00– 78:39:2D:2F:FF:FF
Address capacity1,048,576
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-647A:39:2D:FF:FE:20:00:00
Possible IPv6 link-local derivationfe80::7a39:2dff:fe20:0

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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