macadress

Corecess Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:90:A3:00:00:00 /24
Vendor address135-726, Keopyung B-Town 1F, 203, Nonhyu Seoul KR
Country🇰🇷  South Korea
RegisteredSep 8, 2000
Block range00:90:A3:00:00:00– 00:90:A3: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

  1. Sep 8, 2000 – Dec 14, 2001 MEDIALINCS CO., LTD. name changedaddress changed
  2. Dec 14, 2001 – present Corecess Inc.

Example addresses in this block

00:90:A3:00:00:00 00:90:A3:7F:FF:FF 00:90:A3:FF:FF:FF

Where this block sits

Previous 00:90:A2:00:00:00 /24 CyberTAN Technology Inc. Next 00:90:A4:00:00:00 /24 ALTIGA NETWORKS

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

Corecess Inc. holds 1 registered blocks in the IEEE registry, ranking #9,196 of 33,427 organizations by block count.