MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1C:67:00:00:00 /24
Vendor address3FL JungHo Bldg, 108-4 Sangdo-Dong, Dongjak-Gu SEOUL KR 156-030
Country🇰🇷 South Korea
RegisteredMay 13, 2007
Block range00:1C:67:00:00:00– 00:1C:67: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
00:1C:66:00:00:00 /24
UCAMP CO.,LTD
Next
00:1C:68:00:00:00 /24
Anhui Sun Create Electronics Co., Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Pumpkin Networks, Inc. holds 1 registered blocks in the IEEE registry, ranking #23,721 of 33,427 organizations by block count.