This is a universally administered unicast address with a registered vendor prefix.
MAC addressCC:AC:FE:FF:FF:FF
OUICC:AC:FE
Vendor addressNo. 1500 Zuchongzhi Rd, Building #3 Shanghai CN 201203
Block rangeCC:AC:FE:00:00:00– CC:AC:FE: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-64CE:AC:FE:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::ceac:feff: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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