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MAC prefix 00:00:DE

Assigned by the IEEE to CETIA.

Prefix
00:00:DE   00-00-DE   0000.DE
Block type
MA-L (16,777,216 addresses)
Address range
00:00:DE:00:00:00 – 00:00:DE:FF:FF:FF
Organization
CETIA
Registered address
150 RUE BERTHELOT
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:00:DE:00:00:00

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