This is a universally administered unicast address with a registered vendor prefix.
MAC address40:CB:A8:00:00:00
OUI40:CB:A8
Vendor addressBuilding 17,Nangang Industrial Park, Tangtou 3nd Industrial Estate Shenzhen GuangDong CN 518057
Country🇨🇳 China
Block range40:CB:A8:00:00:00– 40:CB:A8: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-6442:CB:A8:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::42cb:a8ff:fe00:0
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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