This is a universally administered unicast address with a registered vendor prefix.
MAC addressE4:FE:D9:7F:FF:FF
OUIE4:FE:D9
Vendor addressThe Grainger Suite, Dobson House, Regent Centre Newcastle upon Tyne Newcastle upon Tyne GB NE3 3PF
Block rangeE4:FE:D9:00:00:00– E4:FE:D9: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-64E6:FE:D9:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::e6fe:d9ff:fe7f: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 →