This is a universally administered unicast address with a registered vendor prefix.
MAC address10:81:B4:FF:FF:FF
OUI10:81:B4
Vendor addressNo. 39, Jian Shan Road Changsha Hunan CN 410205
Country🇨🇳 China
Block range10:81:B4:00:00:00– 10:81:B4: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-6412:81:B4:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::1281:b4ff: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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