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MAC prefix 00:11:EF

Assigned by the IEEE to Conitec Datensysteme GmbH.

Prefix
00:11:EF   00-11-EF   0011.EF
Block type
MA-L (16,777,216 addresses)
Address range
00:11:EF:00:00:00 – 00:11:EF:FF:FF:FF
Organization
Conitec Datensysteme GmbH
Registered address
Dieselstraße 11c, Dieburg Hessen 64807, DE
Country
Germany (DE)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:11:EF:00:00:00

Conitec Datensysteme GmbH holds 1 block in total: see all. Source: IEEE Registration Authority public listing.