This is a universally administered unicast address with a registered vendor prefix.
MAC addressAC:64:DD:E0:00:00
OUIAC:64:DD
Vendor addressLONGGUAN BUSINESS CENTER, SUITE 501. HUILONGGUAN W., ST., CHANGPING BEIJING BEIJING CN 102208
Block rangeAC:64:DD:E0:00:00– AC:64:DD:EF: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-64AE:64:DD:FF:FE:E0:00:00
Possible IPv6 link-local derivationfe80::ae64:ddff:fee0:0

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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