This is a universally administered unicast address with a registered vendor prefix.
MAC addressB0:1F:81:57:FF:FF
OUIB0:1F:81
Vendor address6thfloor,jinda Technology Center,No.8 of kefeng Road ,Science and Technology Park,NanshanDist,Shenzhen shenzhen guangdong CN 518054
Country🇨🇳 China
Block rangeB0:1F:81:50:00:00– B0:1F:81:5F: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-64B2:1F:81:FF:FE:57:FF:FF
Possible IPv6 link-local derivationfe80::b21f:81ff:fe57: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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