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MAC prefix 00:03:74

Assigned by the IEEE to Control Microsystems.

Prefix
00:03:74   00-03-74   0003.74
Block type
MA-L (16,777,216 addresses)
Address range
00:03:74:00:00:00 – 00:03:74:FF:FF:FF
Organization
Control Microsystems
Registered address
48 Steacie Drive, Ottawa Ontario K2K 2A9, CA
Country
Canada (CA)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:03:74:00:00:00

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