MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix90:0B:C1:00:00:00 /24
Vendor address5D-506 F1.6 Block,Tianfa Building,Tianan Chegongmiao Industrial Park,Futian Dist,Shenzhen China Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredOct 30, 2015
Block range90:0B:C1:00:00:00– 90:0B:C1: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
Sprocomm Technologies CO.,LTD. holds 3 registered blocks in the IEEE registry, ranking #1,325 of 33,427 organizations by block count.