MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix0C:4C:39:00:00:00 /24
Vendor address4F No.6 Innovation Road II Hsin-Chu TW 300
RegisteredJun 18, 2011
Block range0C:4C:39:00:00:00– 0C:4C:39: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.

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Ownership timeline

  1. Jun 18, 2011 – Oct 30, 2015 Mitrastar Technology name changedaddress changed
  2. Oct 30, 2015 – present MitraStar Technology Corp.

Dates show when a change became public in the IEEE registry. How we track ownership history →

Example addresses in this block

Where this block sits

MitraStar Technology Corp. holds 22 registered blocks in the IEEE registry, ranking #159 of 33,498 organizations by block count.

Other blocks registered to MitraStar Technology Corp.