This is a universally administered unicast address with a registered vendor prefix.
MAC address1C:21:D1:70:00:00
OUI1C:21:D1
Vendor addressBirger Jarlsgatan 43 Stockholm SE 11145
Country🇸🇪 Sweden
Block range1C:21:D1:70:00:00– 1C:21:D1:7F: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-641E:21:D1:FF:FE:70:00:00
Possible IPv6 link-local derivationfe80::1e21:d1ff:fe70:0
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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