MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix1C:5A:3E:00:00:00 /24
Vendor address416, Maetan 3dong, Yeongtong-Gu Suwon US 443742
RegisteredAug 25, 2012
Block range1C:5A:3E:00:00:00– 1C:5A:3E: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. Aug 25, 2012 – May 25, 2016 Samsung Eletronics Co., Ltd (Visual Display Divison) name changedaddress changed
  2. May 25, 2016 – present Samsung Electronics Co.,Ltd

Example addresses in this block

Where this block sits

Samsung Electronics Co.,Ltd holds 909 registered blocks in the IEEE registry, ranking #4 of 33,421 organizations by block count.

Other blocks registered to Samsung Electronics Co.,Ltd