This is a universally administered unicast address with a registered vendor prefix.
MAC address90:4E:91:B7:FF:FF
OUI90:4E:91
Vendor addressRm. 1102, Science and Technology Building A, No. 900 of Yishan Road, Xuhui District, Shanghai CN 200030
Country🇨🇳 China
Block range90:4E:91:B0:00:00– 90:4E:91:BF: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-6492:4E:91:FF:FE:B7:FF:FF
Possible IPv6 link-local derivationfe80::924e:91ff:feb7: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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