MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1C:47:00:00:00 /24
Vendor addressNo.10 Middle Road, Jiancaicheng, Haidian District, Beijing CN 100096
Country🇨🇳 China
RegisteredMay 13, 2007
Block range00:1C:47:00:00:00– 00:1C:47: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.
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Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Hangzhou Hollysys Automation Co., Ltd holds 2 registered blocks in the IEEE registry, ranking #2,152 of 33,421 organizations by block count.
Other blocks registered to Hangzhou Hollysys Automation Co., Ltd