Shenzhen Hengyi Technology Co., LTD
MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix18:3C:98:00:00:00 /24
Vendor addressFloor 5, Zone 1, Block B, Mingyou Purchasing Center, Baoyuan Road, Xixiang Street Shenzhen Guangdong CN 518102
Country🇨🇳 China
Block range18:3C:98:00:00:00– 18:3C:98: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