macadress

COMMSEN CO., LIMITED

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix74:53:27:00:00:00 /24
Vendor address12/F., San Toi Building,139 Connaught Road Central HK 999077
Country🇭🇰  Hong Kong
RegisteredApr 11, 2012
Block range74:53:27:00:00:00– 74:53:27: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

74:53:27:00:00:00 74:53:27:7F:FF:FF 74:53:27:FF:FF:FF

Where this block sits

COMMSEN CO., LIMITED holds 1 registered blocks in the IEEE registry, ranking #8,845 of 33,421 organizations by block count.