4C:EF:E1 Dynacon Sp. z o.o.
Every MAC address from 4C:EF:E1:00:00:00 to 4C:EF:E1:FF:FF:FF belongs to a block the IEEE assigned to Dynacon Sp. z o.o.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 4C:EF:E1 belongs to
Written 4C:EF:E1, 4C-EF-E1 or 4CEFE1, depending on the system. Look up a full address.
Prefix
4C:EF:E1
Organization
Dynacon Sp. z o.o.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
4C:EF:E1:00:00:00
Last address
4C:EF:E1:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Wrzosowa 2 Kąty Wrocławskie dolnośląskie PL 55-080