MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:11:5F:00:00:00 /24
Vendor address9F Kolon Digital Tower Aston Bldg. 505-14 Gasan-dong Geumcheon-gu SEOUL KR 153-803
Country🇰🇷 South Korea
RegisteredJun 3, 2004
Block range00:11:5F:00:00:00– 00:11:5F: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
- Jun 3, 2004 – Jun 23, 2009 Intellix Co., Ltd. name changedaddress changed
- Jun 23, 2009 – present ITX Security Co., Ltd.
Example addresses in this block
Where this block sits
Previous
00:11:5E:00:00:00 /24
ProMinent Dosiertechnik GmbH
Next
00:11:60:00:00:00 /24
ARTDIO Company Co., LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ITX Security Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #16,883 of 33,421 organizations by block count.