This is a universally administered unicast address with a registered vendor prefix.
MAC address48:81:D4:7F:FF:FF
OUI48:81:D4
Vendor addressNo. 2, 7th floor, xingwangruijie, haixi hi-tech industrial park, high-tech zone, fuzhou city Fuzhou Fujian CN 350002
Country🇨🇳 China
Block range48:81:D4:00:00:00– 48:81:D4: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-644A:81:D4:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::4a81:d4ff:fe7f: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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