This is a universally administered unicast address with a registered vendor prefix.
MAC address44:03:77:C7:FF:FF
OUI44:03:77
Vendor addressNantou Dadao, 20 Zhongshan Guangdong CN 528427
Country🇨🇳 China
Block range44:03:77:C0:00:00– 44:03:77:CF: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-6446:03:77:FF:FE:C7:FF:FF
Possible IPv6 link-local derivationfe80::4603:77ff:fec7: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.
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 →