This is a universally administered unicast address with a registered vendor prefix.
MAC address40:D8:55:12:10:00
OUI40:D8:55
Vendor addressRoom 413，Block B , shanghai shanghai CN 200235
Country🇨🇳 China
Block range40:D8:55:12:10:00– 40:D8:55:12:1F:FF
Address capacity4,096
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:D8:55:FF:FE:12:10:00
Possible IPv6 link-local derivationfe80::42d8:55ff:fe12:1000
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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