Qisda Corporation (FC:61:79:50:00:00 /28)

Qisda Corporation MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

PrefixFC:61:79:50:00:00 /28

Vendor addressNo. 157, Shanying Rd., Gueishan Dist., Taoyuan City 33341, Taiwan Taoyuan TW 33341

Block rangeFC:61:79:50:00:00– FC:61:79:5F:FF:FF

Address capacity1,048,576

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

FC:61:79:50:00:00 FC:61:79:57:FF:FF FC:61:79:5F:FF:FF

Other blocks registered to Qisda Corporation

00:03:9D:00:00:00 /24 MA-L 00:17:CA:00:00:00 /24 MA-L 00:1E:21:00:00:00 /24 MA-L 1C:E1:92:00:00:00 /24 MA-L 64:E2:20:00:00:00 /24 MA-L C0:C4:F9:00:00:00 /24 MA-L D0:76:0C:00:00:00 /24 MA-L