This is a universally administered unicast address with a registered vendor prefix.
MAC address18:C3:E4:C0:00:00
OUI18:C3:E4
Vendor address224 W 35th St, Ste 500 PMB 497 New York NY US 10001
Block range18:C3:E4:C0:00:00– 18:C3:E4:CF: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-641A:C3:E4:FF:FE:C0:00:00
Possible IPv6 link-local derivationfe80::1ac3:e4ff:fec0:0

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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