MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix38:9F:83:00:00:00 /24
Vendor addressIndustrielaan 17b Olen BE 2250
Country🇧🇪 Belgium
RegisteredFeb 13, 2010
Block range38:9F:83:00:00:00– 38:9F:83: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
OTN Systems N.V. holds 1 registered blocks in the IEEE registry, ranking #22,385 of 33,430 organizations by block count.