OHSUNG

MA-L

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

Prefix14:CF:8D:00:00:00 /24

Vendor address181 GUMI KYUNGBUK KR 730-030

RegisteredFeb 29, 2012

Block range14:CF:8D:00:00:00– 14:CF:8D: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

Feb 29, 2012 – Jun 9, 2017 OHSUNG ELECTRONICS CO., LTD. name changedaddress changed
Jun 9, 2017 – present OHSUNG

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

Example addresses in this block

14:CF:8D:00:00:00 14:CF:8D:7F:FF:FF 14:CF:8D:FF:FF:FF

Where this block sits

Next 14:CF:92:00:00:00 /24 TP-LINK TECHNOLOGIES CO.,LTD.

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

OHSUNG holds 16 registered blocks in the IEEE registry, ranking #209 of 33,498 organizations by block count.

Other blocks registered to OHSUNG

1C:39:29:00:00:00 /24 MA-L 30:9E:1D:00:00:00 /24 MA-L 34:3E:25:00:00:00 /24 MA-L 48:92:C1:00:00:00 /24 MA-L 68:96:6A:00:00:00 /24 MA-L 74:9E:A5:00:00:00 /24 MA-L 98:EF:9B:00:00:00 /24 MA-L 98:F5:A9:00:00:00 /24 MA-L B8:14:DB:00:00:00 /24 MA-L C8:DD:6A:00:00:00 /24 MA-L D0:1B:1F:00:00:00 /24 MA-L D4:FF:26:00:00:00 /24 MA-L