This is a universally administered unicast address with a registered vendor prefix.
MAC address64:00:9C:7F:FF:FF
OUI64:00:9C
Vendor address100 Nagog Park Acton MA US 01720
Block range64:00:9C:00:00:00– 64:00:9C: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-6466:00:9C:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::6600:9cff: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 →