macadress

TRADPOST (HK) LTD

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:80:28:00:00:00 /24
Vendor address5/F, STAR CENTRE HONG HK KONG
Country🇭🇰  Hong Kong
RegisteredSep 8, 2000
Block range00:80:28:00:00:00– 00:80:28: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

00:80:28:00:00:00 00:80:28:7F:FF:FF 00:80:28:FF:FF:FF

Where this block sits

Previous 00:80:27:00:00:00 /24 ADAPTIVE SYSTEMS, INC. Next 00:80:29:00:00:00 /24 EAGLE TECHNOLOGY, INC.

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

TRADPOST (HK) LTD holds 1 registered blocks in the IEEE registry, ranking #30,387 of 33,427 organizations by block count.