MAC Address Lookup

Meta Platforms, Inc. B4:17:A8

B4:17:A8 is a 24-bit MA-L MAC address block registered to Meta Platforms, Inc. in US.

Vendor

Meta Platforms, Inc.

MA-L · 24-bit
B4:17:A8

Unicast · Universally administered (U/L bit clear)

Matched prefix
B4:17:A8
Match
MA-L assignment
Address range
B4:17:A8:00:00:00 – B4:17:A8:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
1 Hacker Way Menlo Park CA US 94025
First registered
Dec 24, 2021

Formats

  • Plain hex B417A8
  • Colon-separated B4:17:A8
  • Hyphen-separated B4-17-A8
  • Cisco dot notation B417.A8

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 Dec 24, 2021
  2. Meta Platforms Technologies, LLC Dec 22, 2022
  3. Meta Platforms, Inc. Mar 26, 2025