This is a universally administered unicast address with a registered vendor prefix.
MAC address40:D8:55:12:AF:FF
OUI40:D8:55
Vendor addressBuidling B2, Xujingchang Industrial Park, Haoye Road Shenzhen Guangdong CN 518000
Country🇨🇳 China
Block range40:D8:55:12:A0:00– 40:D8:55:12:AF: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:AF:FF
Possible IPv6 link-local derivationfe80::42d8:55ff:fe12:afff
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.
Have a list, not just one address? Paste it and extract every MAC address in it →
New to MAC addresses? What they are and how they're structured →