Seongji Industry Company (88:57:1D:00:00:00 /24)

Seongji Industry Company MA-L

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

Prefix88:57:1D:00:00:00 /24

Vendor address54-33, Dongtanhana 1-gil Hwaseong-si Gyeonggi-do KR 18423

Block range88:57:1D:00:00:00– 88:57:1D: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

88:57:1D:00:00:00 88:57:1D:7F:FF:FF 88:57:1D:FF:FF:FF

Other blocks registered to Seongji Industry Company

40:CA:63:00:00:00 /24 MA-L