Cygnus Microsystems (P) Limited

MA-L

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

Prefix00:0C:4A:00:00:00 /24

Vendor address93, Phase II, Hyderabad Andhra Pradesh IN 500051

RegisteredJan 21, 2003

Block range00:0C:4A:00:00:00– 00:0C: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 →

Ownership timeline

Jan 21, 2003 – Jan 14, 2008 Cygnus Microsystems Private Limited name changedaddress changed
Jan 14, 2008 – present Cygnus Microsystems (P) Limited

Example addresses in this block

00:0C:4A:00:00:00 00:0C:4A:7F:FF:FF 00:0C:4A:FF:FF:FF

Where this block sits

Previous 00:0C:49:00:00:00 /24 Dangaard Telecom Denmark A/S Next 00:0C:4B:00:00:00 /24 Cheops Elektronik

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

Cygnus Microsystems (P) Limited holds 1 registered blocks in the IEEE registry, ranking #9,611 of 33,427 organizations by block count.