This is a universally administered unicast address with a registered vendor prefix.
MAC address4C:4B:F9:17:FF:FF
OUI4C:4B:F9
Vendor addressNo. 5, Dongmeng Road, Nanzha Street Jiangyin City Jiangsu Province CN 214400
Block range4C:4B:F9:10:00:00– 4C:4B:F9:1F: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-644E:4B:F9:FF:FE:17:FF:FF
Possible IPv6 link-local derivationfe80::4e4b:f9ff:fe17: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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