NSS Sp. z o.o.

MA-L

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

Prefix38:C4:E8:00:00:00 /24

Vendor addressModularna 11 Warszawa PL 02-238

RegisteredMay 23, 2019

Block range38:C4:E8:00:00:00– 38:C4:E8: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

38:C4:E8:00:00:00 38:C4:E8:7F:FF:FF 38:C4:E8:FF:FF:FF

Where this block sits

NSS Sp. z o.o. holds 1 registered blocks in the IEEE registry, ranking #21,675 of 33,421 organizations by block count.