BYD Auto lndustry Co.,Ltd (78:D4:F1:40:00:00 /28)

BYD Auto lndustry Co.,Ltd MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

Prefix78:D4:F1:40:00:00 /28

Vendor addressNo.3009 BYD Road, Building D23, BYD EPRI, PingShan District, ShenZhen GuangDong CN 518118

Block range78:D4:F1:40:00:00– 78:D4:F1:4F:FF:FF

Address capacity1,048,576

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

78:D4:F1:40:00:00 78:D4:F1:47:FF:FF 78:D4:F1:4F:FF:FF