78:D4:F1:C TNB
Every MAC address from 78:D4:F1:C0:00:00 to 78:D4:F1:CF:FF:FF belongs to a block the IEEE assigned to TNB. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:D4:F1:C belongs to
Written 78:D4:F1:C, 78-D4-F1-C or 78D4F1C, depending on the system. Look up a full address.
Prefix
78:D4:F1:C/28
Organization
TNB
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
78:D4:F1:C0:00:00
Last address
78:D4:F1:CF:FF:FF
Address type
Globally unique, unicast
Registered address
Ryazanskiy Prospekt, 24, k.2 Moscow RU 109428
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.