This is a universally administered unicast address with a registered vendor prefix.
MAC addressC4:98:94:57:FF:FF
OUIC4:98:94
Vendor addressRoom 501 Building D, Qiaoan Industry park, No 308 Wuhe Road, Guanlan, Longhua District Shenzhen Guangdong CN 518000
Block rangeC4:98:94:50:00:00– C4:98:94:5F: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-64C6:98:94:FF:FE:57:FF:FF
Possible IPv6 link-local derivationfe80::c698:94ff:fe57: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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