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MAC prefix 08:00:0B

Assigned by the IEEE to UNISYS CORPORATION.

Prefix
08:00:0B   08-00-0B   0800.0B
Block type
MA-L (16,777,216 addresses)
Address range
08:00:0B:00:00:00 – 08:00:0B:FF:FF:FF
Organization
UNISYS CORPORATION
Registered address
TOWNSHIP LINE ROAD, BLUE BELL PA 19424, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 08:00:0B:00:00:00

UNISYS holds 2 blocks in total: see all. Source: IEEE Registration Authority public listing.