MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:94:00:00:00 /24
Vendor address1001, ISBIZ Tower Youngdungpo Gu Seoul KR 150-105
Country🇰🇷 South Korea
RegisteredJun 13, 2006
Block range00:18:94:00:00:00– 00:18:94: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 13, 2006 – Jul 9, 2014 zimocom name changedaddress changed
- Jul 9, 2014 – present NPCore, Inc.
Example addresses in this block
Where this block sits
Previous
00:18:93:00:00:00 /24
SHENZHEN PHOTON BROADBAND TECHNOLOGY CO.,LTD
Next
00:18:95:00:00:00 /24
Hansun Technologies Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
NPCore, Inc. holds 1 registered blocks in the IEEE registry, ranking #21,648 of 33,421 organizations by block count.