MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix9C:54:CA:00:00:00 /24
Vendor addressNational 863 Software Park£¬No.6 Cuizhu Street, Hi-tech Indusry Developing Park ZhengZhou City Henan Province CN 450001
Country🇨🇳 China
RegisteredApr 17, 2012
Block range9C:54:CA:00:00:00– 9C:54:CA: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
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Zhengzhou VCOM Science and Technology Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #33,332 of 33,498 organizations by block count.