This is a universally administered unicast address with a registered vendor prefix.
MAC address50:DE:19:80:00:00
OUI50:DE:19
Vendor address6141 RUNNING SPRINGS RD SAN JOSE CA US 95135
Block range50:DE:19:80:00:00– 50:DE:19:8F: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-6452:DE:19:FF:FE:80:00:00
Possible IPv6 link-local derivationfe80::52de:19ff:fe80:0

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.

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