RF elements s.r.o.

MA-L

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

PrefixA4:38:31:00:00:00 /24

Vendor addressJasenovská 2528 Humenne SK SK 06603

RegisteredJun 13, 2015

Block rangeA4:38:31:00:00:00– A4:38:31: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

A4:38:31:00:00:00 A4:38:31:7F:FF:FF A4:38:31:FF:FF:FF

Where this block sits

RF elements s.r.o. holds 1 registered blocks in the IEEE registry, ranking #24,531 of 33,427 organizations by block count.