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MAC prefix 80:42:7C

Assigned by the IEEE to Adolf Tedsen GmbH & Co. KG.

Prefix
80:42:7C   80-42-7C   8042.7C
Block type
MA-L (16,777,216 addresses)
Address range
80:42:7C:00:00:00 – 80:42:7C:FF:FF:FF
Organization
Adolf Tedsen GmbH & Co. KG
Registered address
Otto-Hahn-Str. 13-15, Trittau Schleswig-Holstein D-22946, DE
Country
Germany (DE)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 80:42:7C:00:00:00

Adolf Tedsen GmbH & Co. KG holds 1 block in total: see all. Source: IEEE Registration Authority public listing.