MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixA4:E3:2E:00:00:00 /24
Vendor addressSouth County Business Park Leopardstown Dublin IE 18
Country🇮🇪 Ireland
RegisteredDec 2, 2010
Block rangeA4:E3:2E:00:00:00– A4:E3:2E: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 →
Ownership timeline
- Dec 2, 2010 – Jan 30, 2013 Silicon & Software Systems Ltd. name changed
- Jan 30, 2013 – Jan 31, 2013 Silicon & Software Systems Ltd. name changed
- Jan 31, 2013 – Feb 14, 2013 Silicon & Software Systems Ltd. name changed
- Feb 14, 2013 – present Silicon & Software Systems Ltd.
Example addresses in this block
Where this block sits
Silicon & Software Systems Ltd. holds 1 registered blocks in the IEEE registry, ranking #27,408 of 33,421 organizations by block count.