MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix0C:2A:E7:00:00:00 /24
Vendor addressBuilding 23, Zone 18 of ABP, No. 188 Beijing CN 100160
Country🇨🇳 China
RegisteredFeb 21, 2013
Block range0C:2A:E7:00:00:00– 0C:2A:E7: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
Where this block sits
Beijing General Research Institute of Mining and Metallurgy holds 1 registered blocks in the IEEE registry, ranking #6,558 of 33,427 organizations by block count.