Shenzhen Giant Microelectronics Company Limited
MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixB0:23:47:00:00:00 /24
Vendor addressRoom 2108, 21 Floor, Building No.1 of Chang Fu Jin Mao Tower, No.5 Shi Hua Road, Futian District Shenzhen Guangdong CN 518000
Country🇨🇳 China
Block rangeB0:23:47:00:00:00– B0:23:47: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.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block