54:91:AF:C DanuTech Europe Kft
Every MAC address from 54:91:AF:C0:00:00 to 54:91:AF:CF:FF:FF belongs to a block the IEEE assigned to DanuTech Europe Kft. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:91:AF:C belongs to
Written 54:91:AF:C, 54-91-AF-C or 5491AFC, depending on the system. Look up a full address.
Prefix
54:91:AF:C/28
Organization
DanuTech Europe Kft
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
54:91:AF:C0:00:00
Last address
54:91:AF:CF:FF:FF
Address type
Globally unique, unicast
Registered address
Gulyás utca 24/1 Budapest HU 1112
Parent block
Inside 54:91:AF
This MA-M block is carved from the 24-bit block 54:91:AF, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.