MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixA0:0B:BA:00:00:00 /24
Vendor addressSuwon-Si, Gyeonggi_Do, Korea Suwon Gyeonggi_Do KR 443-743
RegisteredSep 18, 2010
Block rangeA0:0B:BA:00:00:00– A0:0B:BA: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 18, 2010 – May 25, 2016 SAMSUNG ELECTRO-MECHANICS name changedaddress changed
  2. May 25, 2016 – present SAMSUNG ELECTRO MECHANICS CO., LTD.

Example addresses in this block

Where this block sits

SAMSUNG ELECTRO MECHANICS CO., LTD. holds 18 registered blocks in the IEEE registry, ranking #189 of 33,427 organizations by block count.

Other blocks registered to SAMSUNG ELECTRO MECHANICS CO., LTD.