MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix54:15:89:00:00:00 /24
Vendor addressA-1701, Munjeong-dong, SK V1 GL Metro City, 128, Beobwon-ro, Songpa-gu, seoul seoul KR 05854
Country🇰🇷 South Korea
RegisteredApr 13, 2019
Block range54:15:89:00:00:00– 54:15:89: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 →
Example addresses in this block
Where this block sits
MCS Logic Inc. holds 4 registered blocks in the IEEE registry, ranking #774 of 33,427 organizations by block count.
Other blocks registered to MCS Logic Inc.