CDR Sp. z o.o. Sp. k.

MA-L

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

Prefix78:88:8A:00:00:00 /24

Vendor addressPalki 15 Zory PL 44-240

RegisteredJun 29, 2016

Block range78:88:8A:00:00:00– 78:88:8A: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

78:88:8A:00:00:00 78:88:8A:7F:FF:FF 78:88:8A:FF:FF:FF

Where this block sits

CDR Sp. z o.o. Sp. k. holds 1 registered blocks in the IEEE registry, ranking #7,950 of 33,421 organizations by block count.