MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix04:62:D7:00:00:00 /24
Vendor address82 Avenue Leon Blum GRENOBLE FR 38041
Country🇫🇷 France
RegisteredJul 2, 2011
Block range04:62:D7:00:00:00– 04:62:D7: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
ALSTOM HYDRO FRANCE holds 1 registered blocks in the IEEE registry, ranking #4,815 of 33,421 organizations by block count.