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MAC prefix 08:00:81

Assigned by the IEEE to ASTECH INC..

Prefix
08:00:81   08-00-81   0800.81
Block type
MA-L (16,777,216 addresses)
Address range
08:00:81:00:00:00 – 08:00:81:FF:FF:FF
Organization
ASTECH INC.
Registered address
670 NORTH COMMERCIAL STREET, MANCHESTER NH 03101, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 08:00:81:00:00:00

ASTECH INC. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.