Most Lucky Trading Ltd (20:12:57:00:00:00 /24)

Most Lucky Trading Ltd MA-L

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

Prefix20:12:57:00:00:00 /24

Vendor addressRoom403 No.506 Zhongshan South 2nd Road,Xuhui District Shanghai CN 200032

Block range20:12:57:00:00:00– 20:12:57: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

20:12:57:00:00:00 20:12:57:7F:FF:FF 20:12:57:FF:FF:FF