This is a universally administered unicast address with a registered vendor prefix.
MAC address74:51:8F:FF:FF:FF
OUI74:51:8F
Vendor addressBUILDING 11, CHENG SHENG SCIENCE AND TECHNOLOGYPARK, NO.2 BOSIDENG AVENUE, GAOYOU CITY Gaoyou Jiangsu CN 225600
Block range74:51:8F:00:00:00– 74:51:8F: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-6476:51:8F:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::7651:8fff: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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