HAO CHENG GROUP LIMITED (E4:62:51:00:00:00 /24)

HAO CHENG GROUP LIMITED MA-L

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

PrefixE4:62:51:00:00:00 /24

Vendor addressFLAT/RM C, 06/F, BEST-TO-BEST COMMERCIAL CENTRE 32-36 FERRY STREET JORDAN KL Hong KOng HK 999077

Block rangeE4:62:51:00:00:00– E4:62:51: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

E4:62:51:00:00:00 E4:62:51:7F:FF:FF E4:62:51:FF:FF:FF