D4:25:CC:C POSNET Polska S.A.
Every MAC address from D4:25:CC:C0:00:00 to D4:25:CC:CF:FF:FF belongs to a block the IEEE assigned to POSNET Polska S.A.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:25:CC:C belongs to
Written D4:25:CC:C, D4-25-CC-C or D425CCC, depending on the system. Look up a full address.
Prefix
D4:25:CC:C/28
Organization
POSNET Polska S.A.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
D4:25:CC:C0:00:00
Last address
D4:25:CC:CF:FF:FF
Address type
Globally unique, unicast
Registered address
ul. Municypalna 33 Warszawa PL 02-281
Parent block
Inside D4:25:CC
This MA-M block is carved from the 24-bit block D4:25:CC, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.