This is a universally administered unicast address with a registered vendor prefix.
MAC addressEC:02:73:7F:FF:FF
OUIEC:02:73
Vendor address3333 Scott Blvd 6280 America Center Dr CA US 95002
Block rangeEC:02:73:00:00:00– EC:02:73: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-64EE:02:73:FF:FE:7F:FF:FF
Possible IPv6 link-local derivationfe80::ee02:73ff: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.

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