This is a universally administered unicast address with a registered vendor prefix.
MAC addressB4:DF:43:BF:FF:FF
OUIB4:DF:43
Vendor addressFLAT/RM A 15/F MANLY COMMERCIAL BUILDING 15 SOY STREET MONG KOK KL HK HK CN 518000
Country🇨🇳 China
Block rangeB4:DF:43:B0:00:00– B4:DF:43: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-64B6:DF:43:FF:FE:BF:FF:FF
Possible IPv6 link-local derivationfe80::b6df:43ff:febf: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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