Meta Platforms, Inc. (CC:A1:74:00:00:00 /24)

Meta Platforms, Inc. MA-L

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

PrefixCC:A1:74:00:00:00 /24

Vendor address1601 Willow Rd Menlo Park CA US 94025

Block rangeCC:A1:74:00:00:00– CC:A1:74: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

CC:A1:74:00:00:00 CC:A1:74:7F:FF:FF CC:A1:74:FF:FF:FF

Other blocks registered to Meta Platforms, Inc.

48:05:60:00:00:00 /24 MA-L 50:99:03:00:00:00 /24 MA-L 78:C4:FA:00:00:00 /24 MA-L 80:F3:EF:00:00:00 /24 MA-L 84:57:F7:00:00:00 /24 MA-L 88:25:08:00:00:00 /24 MA-L 94:F9:29:00:00:00 /24 MA-L B4:17:A8:00:00:00 /24 MA-L C0:DD:8A:00:00:00 /24 MA-L D0:B3:C2:00:00:00 /24 MA-L D4:D6:59:00:00:00 /24 MA-L F4:4E:35:00:00:00 /24 MA-L