This is a universally administered unicast address with a registered vendor prefix.
MAC addressC4:EF:BB:00:00:00
OUIC4:EF:BB
Vendor addressNo. 3188-1 Yungu Road (Comprehensive Bonded Zone), Hefei Economic & Technological Development Area，Anhui HEFEI ANHUI CN 230601
Country🇨🇳 China
Block rangeC4:EF:BB:00:00:00– C4:EF:BB: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-64C6:EF:BB:FF:FE:00:00:00
Possible IPv6 link-local derivationfe80::c6ef:bbff: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.
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 →