MAC Address Lookup

Meta Platforms, Inc. 80:F3:EF

80:F3:EF is a 24-bit MA-L MAC address block registered to Meta Platforms, Inc. in US.

Vendor

Meta Platforms, Inc.

MA-L · 24-bit
80:F3:EF

Unicast · Universally administered (U/L bit clear)

Matched prefix
80:F3:EF
Match
MA-L assignment
Address range
80:F3:EF:00:00:00 – 80:F3:EF:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
1601 Willow Rd Menlo Park CA US 94025
First registered
Jan 10, 2021

Formats

  • Plain hex 80F3EF
  • Colon-separated 80:F3:EF
  • Hyphen-separated 80-F3-EF
  • Cisco dot notation 80F3.EF

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. Facebook Technologies, LLC Jan 10, 2021
  2. Meta Platforms Technologies, LLC Dec 22, 2022
  3. Meta Platforms, Inc. Mar 26, 2025