This is a universally administered unicast address with a registered vendor prefix.
MAC address3C:40:15:FF:FF:FF
OUI3C:40:15
Vendor addressRoom A20-860, 5th Floor, Building A, Entrepreneurship Incubation Center, No. 266 Nanhai Avenue, National Hi-Tech Industrial Development Zone, Haikou City, Hainan Province, China Haikou Hainan CN 570100
Country🇨🇳 China
Block range3C:40:15:00:00:00– 3C:40:15: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-643E:40:15:FF:FE:FF:FF:FF
Possible IPv6 link-local derivationfe80::3e40:15ff: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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