Routerboard.com (F4:1E:57:00:00:00 /24)

Routerboard.com MA-L

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

PrefixF4:1E:57:00:00:00 /24

Vendor addressMikrotikls SIA Riga Riga LV LV1009

Block rangeF4:1E:57:00:00:00– F4:1E:57: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

F4:1E:57:00:00:00 F4:1E:57:7F:FF:FF F4:1E:57:FF:FF:FF

Other blocks registered to Routerboard.com

00:0C:42:00:00:00 /24 MA-L 04:F4:1C:00:00:00 /24 MA-L 08:55:31:00:00:00 /24 MA-L 18:FD:74:00:00:00 /24 MA-L 2C:C8:1B:00:00:00 /24 MA-L 38:32:7A:00:00:00 /24 MA-L 48:8F:5A:00:00:00 /24 MA-L 48:A9:8A:00:00:00 /24 MA-L 4C:5E:0C:00:00:00 /24 MA-L 64:D1:54:00:00:00 /24 MA-L 6C:3B:6B:00:00:00 /24 MA-L 74:4D:28:00:00:00 /24 MA-L