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MAC prefix 78:5F:28

Assigned by the IEEE to EM Microelectronic.

Prefix
78:5F:28   78-5F-28   785F.28
Block type
MA-L (16,777,216 addresses)
Address range
78:5F:28:00:00:00 – 78:5F:28:FF:FF:FF
Organization
EM Microelectronic
Registered address
Rue des Sors 3, Marin-Epagnier Neuchatel 2074, CH
Country
Switzerland (CH)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 78:5F:28:00:00:00

EM Microelectronic holds 36 blocks in total: see all. Source: IEEE Registration Authority public listing.