TOPWELL INTERNATIONAL HOLDINGS LIMITED (D0:6F:4A:00:00:00 /24)

TOPWELL INTERNATIONAL HOLDINGS LIMITED MA-L

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

PrefixD0:6F:4A:00:00:00 /24

Vendor addressUnit 2506, 25/F, Prosperity Place, Hong Kong N/A CN N/A

Block rangeD0:6F:4A:00:00:00– D0:6F:4A: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

D0:6F:4A:00:00:00 D0:6F:4A:7F:FF:FF D0:6F:4A:FF:FF:FF