MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix20:31:EB:00:00:00 /24
Vendor address4 allée des roseaux Saint mitre les remparts BDR FR 13920
Country🇫🇷 France
RegisteredOct 3, 2014
Block range20:31:EB:00:00:00– 20:31:EB: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
HDSN holds 1 registered blocks in the IEEE registry, ranking #14,647 of 33,427 organizations by block count.