This is a universally administered unicast address with a registered vendor prefix.
MAC address78:78:35:CF:FF:FF
OUI78:78:35
Vendor addressBuilding A, No.5(DBG Factory), Yongda Road, Xiangshui River Industrial Area, Daya Bay, Huizhou Huizhou Gangdong CN 516083
Block range78:78:35:C0:00:00– 78:78:35:CF: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:78:35:FF:FE:CF:FF:FF
Possible IPv6 link-local derivationfe80::7a78:35ff:fecf: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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