TONGQING COMMUNICATION EQUIPMENT (SHENZHEN) Co.,Ltd (80:81:A5:00:00:00 /24)

TONGQING COMMUNICATION EQUIPMENT (SHENZHEN) Co.,Ltd MA-L

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

Prefix80:81:A5:00:00:00 /24

Vendor addressTongqing Industry Park,jiuwei,xixiang Town,Baoan District, Shenzhen Guangdong CN 518126

Block range80:81:A5:00:00:00– 80:81:A5: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

80:81:A5:00:00:00 80:81:A5:7F:FF:FF 80:81:A5:FF:FF:FF