Spire Payments
MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix28:71:84:00:00:00 /24
Vendor addressUnits 3 & 6 Milford Trading Estate Salisbury Wiltshire GB SP1 2UD
Country🇬🇧 United Kingdom
Block range28:71:84:00:00:00– 28:71:84: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