Symphony Interactive Inc (8C:1F:64:21:80:00 /36)

Symphony Interactive Inc MA-S

MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.

Prefix8C:1F:64:21:80:00 /36

Vendor address33 Parkhill Dr Stouffville ON CA L4A2G1

Block range8C:1F:64:21:80:00– 8C:1F:64:21:8F: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

8C:1F:64:21:80:00 8C:1F:64:21:87:FF 8C:1F:64:21:8F:FF