ELPROMA ELEKTRONIKA SP Z O O

MA-L

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

Prefix50:B1:40:00:00:00 /24

Vendor addressDUNSKA 2A CZOSNOW PL 05152

RegisteredApr 11, 2024

Block range50:B1:40:00:00:00– 50:B1:40: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

50:B1:40:00:00:00 50:B1:40:7F:FF:FF 50:B1:40:FF:FF:FF

Where this block sits

ELPROMA ELEKTRONIKA SP Z O O holds 1 registered blocks in the IEEE registry, ranking #11,565 of 33,427 organizations by block count.