macadress

UNA Digital Inc.

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.
PrefixC0:83:59:40:00:00 /28
Vendor address5F, 41-20, Burim-ro 170beon-gil Dongan-gu Anyang-si KR 14079
Country🇰🇷  South Korea
RegisteredApr 29, 2018
Block rangeC0:83:59:40:00:00– C0:83:59:4F: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 →

Ownership timeline

  1. Apr 29, 2018 – Apr 22, 2025 ANTS name changedaddress changed
  2. Apr 22, 2025 – present UNA Digital Inc.

Example addresses in this block

C0:83:59:40:00:00 C0:83:59:47:FF:FF C0:83:59:4F:FF:FF

Where this block sits

Previous C0:83:59:30:00:00 /28 PCH Engineering A/S Next C0:83:59:50:00:00 /28 Viper Design, LLC

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

UNA Digital Inc. holds 1 registered blocks in the IEEE registry, ranking #30,887 of 33,427 organizations by block count.