MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0F:50:00:00:00 /24
Vendor addressThe Court, Alexandra Park St Helens GB WA10 3TP
Country🇬🇧 United Kingdom
RegisteredJan 23, 2004
Block range00:0F:50:00:00:00– 00:0F:50: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
- Jan 23, 2004 – Jul 21, 2005 BraddaHead Limited name changedaddress changed
- Jul 21, 2005 – Feb 9, 2008 Baxall Limited name changedaddress changed
- Feb 9, 2008 – present StreamScale Limited
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
StreamScale Limited holds 1 registered blocks in the IEEE registry, ranking #28,488 of 33,427 organizations by block count.