MICRO-STAR INT'L CO.,LTD (40:61:86:00:00:00 /24)

MICRO-STAR INT'L CO.,LTD MA-L

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

Prefix40:61:86:00:00:00 /24

Vendor addressNo.69,Li-De St Jung-Ho City Taipei Hsien TW 235

Block range40:61:86:00:00:00– 40:61:86: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

40:61:86:00:00:00 40:61:86:7F:FF:FF 40:61:86:FF:FF:FF