MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:27:1C:00:00:00 /24
Vendor address90, Gajaeul-ro, Seo-gu INCHEON KR 22830
Country🇰🇷 South Korea
RegisteredAug 2, 2009
Block range00:27:1C:00:00:00– 00:27:1C: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
Previous
00:27:1B:00:00:00 /24
Alec Sicherheitssysteme GmbH
Next
00:27:1D:00:00:00 /24
Comba Telecom Systems (China) Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
MERCURY CORPORATION holds 6 registered blocks in the IEEE registry, ranking #511 of 33,427 organizations by block count.
Other blocks registered to MERCURY CORPORATION