Arista Networks (C4:CA:2B:00:00:00 /24)

Arista Networks MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

PrefixC4:CA:2B:00:00:00 /24

Vendor address5453 Great America Parkway Santa Clara CA US 95054

Block rangeC4:CA:2B:00:00:00– C4:CA:2B:FF:FF:FF

Address capacity16,777,216

AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority

TransmissionUnicast: addressed to a single device

SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Example addresses in this block

C4:CA:2B:00:00:00 C4:CA:2B:7F:FF:FF C4:CA:2B:FF:FF:FF

Other blocks registered to Arista Networks

00:1C:73:00:00:00 /24 MA-L 18:9C:E1:00:00:00 /24 MA-L 1C:8C:6E:00:00:00 /24 MA-L 28:99:3A:00:00:00 /24 MA-L 28:E7:1D:00:00:00 /24 MA-L 2C:DD:E9:00:00:00 /24 MA-L 38:2C:DB:00:00:00 /24 MA-L 38:38:A6:00:00:00 /24 MA-L 44:4C:A8:00:00:00 /24 MA-L 4C:09:97:00:00:00 /24 MA-L 54:0F:2C:00:00:00 /24 MA-L 58:D4:69:00:00:00 /24 MA-L