18:9C:5D:00:00:00 - Cisco Systems, Inc

Cisco Systems, Inc MA-L

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

MAC address18:9C:5D:00:00:00

OUI18:9C:5D

Vendor address170 West Tasman Drive San Jose CA US 95134

Country🇺🇸 United States

Block range18:9C:5D:00:00:00– 18:9C:5D: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-641A:9C:5D:FF:FE:00:00:00

Possible IPv6 link-local derivationfe80::1a9c:5dff:fe00:0

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.

Have a list, not just one address? Paste it and extract every MAC address in it →

New to MAC addresses? What they are and how they're structured →