This is a universally administered unicast address with a registered vendor prefix.
MAC address98:57:D3:FF:FF:FF
OUI98:57:D3
Vendor address5F, No.9,Li-Hsin Road V,Science Park Hsinchu TW 300
Block range98:57:D3:00:00:00– 98:57:D3: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-649A:57:D3:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::9a57:d3ff: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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