Meta Platforms, Inc.

Meta Platforms, Inc. holds 12 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by Meta Platforms, Inc. draw from a pool of about 201,326,592 possible MAC addresses in total.

Registered address: 1 Hacker Way Menlo Park CA US 94025

All 12 prefixes

• 48:05:6048:05:60:00:00:00 – 48:05:60:FF:FF:FF
• 50:99:0350:99:03:00:00:00 – 50:99:03:FF:FF:FF
• 78:C4:FA78:C4:FA:00:00:00 – 78:C4:FA:FF:FF:FF
• 80:F3:EF80:F3:EF:00:00:00 – 80:F3:EF:FF:FF:FF
• 84:57:F784:57:F7:00:00:00 – 84:57:F7:FF:FF:FF
• 88:25:0888:25:08:00:00:00 – 88:25:08:FF:FF:FF
• 94:F9:2994:F9:29:00:00:00 – 94:F9:29:FF:FF:FF
• B4:17:A8B4:17:A8:00:00:00 – B4:17:A8:FF:FF:FF
• C0:DD:8AC0:DD:8A:00:00:00 – C0:DD:8A:FF:FF:FF
• CC:A1:74CC:A1:74:00:00:00 – CC:A1:74:FF:FF:FF
• D0:B3:C2D0:B3:C2:00:00:00 – D0:B3:C2:FF:FF:FF
• D4:D6:59D4:D6:59:00:00:00 – D4:D6:59:FF:FF:FF

Have a full MAC address? Look it up to see which of these prefixes it belongs to — or browse the full manufacturer directory.