This is a universally administered unicast address with a registered vendor prefix.
MAC address50:19:11:77:FF:FF
OUI50:19:11
Vendor addressRoom 2515-2516, 25th Floor, Block A, Digital Building, Beijing CN 100086
Country🇨🇳 China
Block range50:19:11:70:00:00– 50:19:11:7F: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-6452:19:11:FF:FE:77:FF:FF
Possible IPv6 link-local derivationfe80::5219:11ff:fe77: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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