MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixA4:E9:91:00:00:00 /24
Vendor addressPOL.IND. DEL TAMBRE SANTIAGO COMPOSTELA A CORUÑA ES 15890
Country🇪🇸 Spain
RegisteredJan 20, 2013
Block rangeA4:E9:91:00:00:00– A4:E9:91: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.
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Example addresses in this block
Where this block sits
SISTEMAS AUDIOVISUALES ITELSIS S.L. holds 1 registered blocks in the IEEE registry, ranking #27,556 of 33,427 organizations by block count.