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MAC prefix 00:40:5D

Assigned by the IEEE to STAR-TEK, INC..

Prefix
00:40:5D   00-40-5D   0040.5D
Block type
MA-L (16,777,216 addresses)
Address range
00:40:5D:00:00:00 – 00:40:5D:FF:FF:FF
Organization
STAR-TEK, INC.
Registered address
71 LYMAN STREET, NORTHBORO MA 01532, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:40:5D:00:00:00

STAR-TEK, INC. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.