Orange Tree Technologies Ltd
MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:77:C0:00 /36
Vendor address173 Curie Avenue, Harwell Oxford Didcot Oxfordshire GB OX11 0QG
Country🇬🇧 United Kingdom
Block range8C:1F:64:77:C0:00– 8C:1F:64:77:CF:FF
Address capacity4,096
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
Other blocks registered to Orange Tree Technologies Ltd