Tianjin Changdatong Technology Co.,LTD
MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixDC:D1:60:00:00:00 /24
Vendor addressUnit 601, 602, Building 1, Zhongxing Industrial Base, No. 2 East 7th Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone) Tianjin CN 300308
Country🇨🇳 China
Block rangeDC:D1:60:00:00:00– DC:D1:60: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