7C:21:0D:FF:FF:FF - Cisco Systems, Inc

Cisco Systems, Inc MA-L

This is a universally administered unicast address with a registered vendor prefix.

MAC address7C:21:0D:FF:FF:FF

OUI7C:21:0D

Vendor address80 West Tasman Dr. San Jose CA US 94568

Country🇺🇸 United States

Block range7C:21:0D:00:00:00– 7C:21:0D: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-647E:21:0D:FF:FE:FF:FF:FF

Possible IPv6 link-local derivationfe80::7e21:dff: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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