This is a universally administered unicast address with a registered vendor prefix.
MAC address24:CF:21:FF:FF:FF
OUI24:CF:21
Vendor addressSSMEC Building2/F, Gao Xin Nan First Avenue, Hi-Tech Park South, Nanshan Shenzhen City Guangdong Province CN 518057
Country🇨🇳 China
Block range24:CF:21:00:00:00– 24:CF:21: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-6426:CF:21:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::26cf:21ff:feff: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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