Shanghai Junqian Sensing Technology Co.,LTD MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix58:30:5B:00:00:00 /24
Vendor addressRoom 602,Building 1,NO.760,Xinjunhuan Road, Caohejing High-Tech Park,Minhang District, Shanghai Shanghai CN 201114
Block range58:30:5B:00:00:00– 58:30:5B: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