Arista Networks acquired MAC address blocks

2 blocks now registered to Arista Networks came through 1 former-owner relationship.

MAC address or OUI prefix Look up

Current owner

Arista Networks

Former owners

1

Blocks

2

Addresses

33.6 million

Former owners: Arista Networks, Inc. × 2

Prefix	Former owner	Block	Addresses	First observed
00:1C:73	Arista Networks, Inc.	MA-L	16.8 million	13 May 2007
E0:1C:A7	Arista Networks, Inc.	MA-L	16.8 million	2 May 2024

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.