ResearchIEEE MA-L, MA-M & MA-S · refreshed daily

DC:77:4C Cisco Systems, Inc

Every MAC address from DC:77:4C:00:00:00 to DC:77:4C:FF:FF:FF belongs to a block the IEEE assigned to Cisco Systems, Inc. Network cards, phones and other devices it makes carry addresses from here.

Assignment

Who DC:77:4C belongs to

Written DC:77:4C, DC-77-4C or DC774C, depending on the system. Look up a full address.

Prefix

DC:77:4C

Organization

Cisco Systems, Inc

Registry

MA-L (a 24-bit OUI)

Addresses

16,777,216

First address

DC:77:4C:00:00:00

Last address

DC:77:4C:FF:FF:FF

Address type

Globally unique, unicast

Registered address

80 West Tasman Drive San Jose CA US 94568

Same organization

Other blocks assigned to Cisco Systems, Inc

1,256 more blocks registered under the same name, the first 300 shown.

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