Espressif Inc. (A4:CB:8F:00:00:00 /24)

Espressif Inc. MA-L

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

PrefixA4:CB:8F:00:00:00 /24

Vendor addressVistra Corporate Services Centre, Wickhams Cay II Road Town Tortola VG VG1110

Block rangeA4:CB:8F:00:00:00– A4:CB:8F: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

A4:CB:8F:00:00:00 A4:CB:8F:7F:FF:FF A4:CB:8F:FF:FF:FF

Other blocks registered to Espressif Inc.

00:4B:12:00:00:00 /24 MA-L 00:70:07:00:00:00 /24 MA-L 04:83:08:00:00:00 /24 MA-L 04:B2:47:00:00:00 /24 MA-L 08:3A:8D:00:00:00 /24 MA-L 08:3A:F2:00:00:00 /24 MA-L 08:92:72:00:00:00 /24 MA-L 08:A6:F7:00:00:00 /24 MA-L 08:AD:0A:00:00:00 /24 MA-L 08:B6:1F:00:00:00 /24 MA-L 08:D1:F9:00:00:00 /24 MA-L 08:F9:E0:00:00:00 /24 MA-L