MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixB4:2A:39:00:00:00 /24
Vendor addressVodnanska 675/30 Praha CZ 198 00
Country🇨🇿 Czechia
RegisteredFeb 5, 2011
Block rangeB4:2A:39:00:00:00– B4:2A:39: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
ORBIT MERRET, spol. s r. o. holds 1 registered blocks in the IEEE registry, ranking #22,264 of 33,427 organizations by block count.