MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix64:1A:22:00:00:00 /24
Vendor addressFiskhamnsgatan 2 Gothenburg SE SE-414 58
Country🇸🇪 Sweden
RegisteredSep 23, 2010
Block range64:1A:22:00:00:00– 64:1A:22: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
- Sep 23, 2010 – Jul 7, 2015 Heliospectra/Woodhill Investments name changedaddress changed
- Jul 7, 2015 – present Heliospectra AB
Example addresses in this block
Where this block sits
Heliospectra AB holds 1 registered blocks in the IEEE registry, ranking #14,709 of 33,427 organizations by block count.