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MAC prefix B8:A1:75

Assigned by the IEEE to Roku, Inc..

Prefix
B8:A1:75   B8-A1-75   B8A1.75
Block type
MA-L (16,777,216 addresses)
Address range
B8:A1:75:00:00:00 – B8:A1:75:FF:FF:FF
Organization
Roku, Inc.
Registered address
12980 Saratoga Ave, Saratoga CA 95070, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up B8:A1:75:00:00:00

Roku, Inc holds 24 blocks in total: see all. Source: IEEE Registration Authority public listing.