SGSG SCIENCE & TECHNOLOGY CO. LTD (F4:EF:9E:00:00:00 /24)

SGSG SCIENCE & TECHNOLOGY CO. LTD MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

PrefixF4:EF:9E:00:00:00 /24

Vendor address3RD Fl, Bldg A3, No.1 software Park Rd Zhuhai Guangdong CN 519085

Block rangeF4:EF:9E:00:00:00– F4:EF:9E: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

F4:EF:9E:00:00:00 F4:EF:9E:7F:FF:FF F4:EF:9E:FF:FF:FF