78:D4:F1:3 Ekoenergetyka - Polska S.A.
Every MAC address from 78:D4:F1:30:00:00 to 78:D4:F1:3F:FF:FF belongs to a block the IEEE assigned to Ekoenergetyka - Polska S.A.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:D4:F1:3 belongs to
Written 78:D4:F1:3, 78-D4-F1-3 or 78D4F13, depending on the system. Look up a full address.
Prefix
78:D4:F1:3/28
Organization
Ekoenergetyka - Polska S.A.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
78:D4:F1:30:00:00
Last address
78:D4:F1:3F:FF:FF
Address type
Globally unique, unicast
Registered address
ul. Nowy Kisielin - Wysockiego 8 Zielona Gora PL 66-002
Parent block
Inside 78:D4:F1
This MA-M block is carved from the 24-bit block 78:D4:F1, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.